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.
10 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
17 #if HAVE_SCHED_SETAFFINITY
24 #include <mono/metadata/assembly.h>
25 #include <mono/metadata/loader.h>
26 #include <mono/metadata/tabledefs.h>
27 #include <mono/metadata/class.h>
28 #include <mono/metadata/object.h>
29 #include <mono/metadata/exception.h>
30 #include <mono/metadata/opcodes.h>
31 #include <mono/metadata/mono-endian.h>
32 #include <mono/metadata/tokentype.h>
33 #include <mono/metadata/tabledefs.h>
34 #include <mono/metadata/threads.h>
35 #include <mono/metadata/marshal.h>
36 #include <mono/metadata/appdomain.h>
37 #include <mono/metadata/debug-helpers.h>
38 #include "mono/metadata/profiler.h"
39 #include <mono/metadata/profiler-private.h>
40 #include <mono/metadata/mono-config.h>
41 #include <mono/metadata/environment.h>
42 #include <mono/metadata/verify.h>
43 #include <mono/metadata/verify-internals.h>
44 #include <mono/metadata/mono-debug.h>
45 #include <mono/metadata/security-manager.h>
46 #include <mono/metadata/security-core-clr.h>
47 #include <mono/metadata/gc-internals.h>
48 #include <mono/metadata/coree.h>
49 #include <mono/metadata/attach.h>
50 #include <mono/metadata/w32process.h>
51 #include "mono/utils/mono-counters.h"
52 #include "mono/utils/mono-hwcap.h"
53 #include "mono/utils/mono-logger-internals.h"
54 #include "mono/metadata/w32handle.h"
58 #include "aot-compiler.h"
59 #include "interpreter/interp.h"
65 #include "debugger-agent.h"
67 # include <sys/resource.h>
70 static FILE *mini_stats_fd;
72 static void mini_usage (void);
75 /* Need this to determine whether to detach console */
76 #include <mono/metadata/cil-coff.h>
77 /* This turns off command line globbing under win32 */
81 typedef void (*OptFunc) (const char *p);
84 #ifdef HAVE_ARRAY_ELEM_INIT
85 #define MSGSTRFIELD(line) MSGSTRFIELD1(line)
86 #define MSGSTRFIELD1(line) str##line
88 static const struct msgstr_t {
89 #define OPTFLAG(id,shift,name,desc) char MSGSTRFIELD(__LINE__) [sizeof (name) + sizeof (desc)];
90 #include "optflags-def.h"
93 #define OPTFLAG(id,shift,name,desc) name "\0" desc,
94 #include "optflags-def.h"
97 static const gint16 opt_names [] = {
98 #define OPTFLAG(id,shift,name,desc) [(shift)] = offsetof (struct msgstr_t, MSGSTRFIELD(__LINE__)),
99 #include "optflags-def.h"
103 #define optflag_get_name(id) ((const char*)&opstr + opt_names [(id)])
104 #define optflag_get_desc(id) (optflag_get_name(id) + 1 + strlen (optflag_get_name(id)))
106 #else /* !HAVE_ARRAY_ELEM_INIT */
112 #define OPTFLAG(id,shift,name,desc) {name,desc},
115 #include "optflags-def.h"
118 #define optflag_get_name(id) (opt_names [(id)].name)
119 #define optflag_get_desc(id) (opt_names [(id)].desc)
123 #ifdef __native_client__
124 extern char *nacl_mono_path;
127 #define DEFAULT_OPTIMIZATIONS ( \
128 MONO_OPT_PEEPHOLE | \
131 MONO_OPT_CONSPROP | \
132 MONO_OPT_COPYPROP | \
138 MONO_OPT_EXCEPTION | \
142 MONO_OPT_ALIAS_ANALYSIS | \
145 #define EXCLUDED_FROM_ALL (MONO_OPT_SHARED | MONO_OPT_PRECOMP | MONO_OPT_UNSAFE | MONO_OPT_GSHAREDVT | MONO_OPT_FLOAT32)
148 parse_optimizations (guint32 opt, const char* p, gboolean cpu_opts)
155 /* Initialize the hwcap module if necessary. */
158 /* call out to cpu detection code here that sets the defaults ... */
160 opt |= mono_arch_cpu_optimizations (&exclude);
166 parts = g_strsplit (p, ",", -1);
167 for (ptr = parts; ptr && *ptr; ptr ++) {
177 for (i = 0; i < G_N_ELEMENTS (opt_names) && optflag_get_name (i); ++i) {
178 n = optflag_get_name (i);
179 if (!strcmp (p, n)) {
187 if (i == G_N_ELEMENTS (opt_names) || !optflag_get_name (i)) {
188 if (strncmp (p, "all", 3) == 0) {
192 opt = ~(EXCLUDED_FROM_ALL | exclude);
194 fprintf (stderr, "Invalid optimization name `%s'\n", p);
207 parse_debug_options (const char* p)
209 MonoDebugOptions *opt = mini_get_debug_options ();
213 fprintf (stderr, "Syntax error; expected debug option name\n");
217 if (!strncmp (p, "casts", 5)) {
218 opt->better_cast_details = TRUE;
220 } else if (!strncmp (p, "mdb-optimizations", 17)) {
221 opt->mdb_optimizations = TRUE;
223 } else if (!strncmp (p, "gdb", 3)) {
227 fprintf (stderr, "Invalid debug option `%s', use --help-debug for details\n", p);
234 fprintf (stderr, "Syntax error; expected debug option name\n");
245 const char desc [18];
246 MonoGraphOptions value;
249 static const GraphName
251 {"cfg", "Control Flow", MONO_GRAPH_CFG},
252 {"dtree", "Dominator Tree", MONO_GRAPH_DTREE},
253 {"code", "CFG showing code", MONO_GRAPH_CFG_CODE},
254 {"ssa", "CFG after SSA", MONO_GRAPH_CFG_SSA},
255 {"optc", "CFG after IR opts", MONO_GRAPH_CFG_OPTCODE}
258 static MonoGraphOptions
259 mono_parse_graph_options (const char* p)
264 for (i = 0; i < G_N_ELEMENTS (graph_names); ++i) {
265 n = graph_names [i].name;
267 if (strncmp (p, n, len) == 0)
268 return graph_names [i].value;
271 fprintf (stderr, "Invalid graph name provided: %s\n", p);
276 mono_parse_default_optimizations (const char* p)
280 opt = parse_optimizations (DEFAULT_OPTIMIZATIONS, p, TRUE);
285 mono_opt_descr (guint32 flags) {
286 GString *str = g_string_new ("");
290 for (i = 0; i < G_N_ELEMENTS (opt_names); ++i) {
291 if (flags & (1 << i) && optflag_get_name (i)) {
293 g_string_append_c (str, ',');
294 g_string_append (str, optflag_get_name (i));
298 return g_string_free (str, FALSE);
308 MONO_OPT_ALIAS_ANALYSIS,
309 #ifdef MONO_ARCH_SIMD_INTRINSICS
312 MONO_OPT_SIMD | MONO_OPT_SSE2,
314 MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_INTRINS,
315 MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_INTRINS | MONO_OPT_ALIAS_ANALYSIS,
316 MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS,
317 MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS | MONO_OPT_COPYPROP,
318 MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS | MONO_OPT_CFOLD,
319 MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP | MONO_OPT_DEADCE,
320 MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP | MONO_OPT_DEADCE | MONO_OPT_ALIAS_ANALYSIS,
321 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,
322 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_TAILC,
323 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,
324 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,
325 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,
326 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,
327 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,
328 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,
329 DEFAULT_OPTIMIZATIONS,
332 typedef int (*TestMethod) (void);
336 domain_dump_native_code (MonoDomain *domain) {
337 // need to poke into the domain, move to metadata/domain.c
338 // need to empty jit_info_table and code_mp
343 mini_regression_step (MonoImage *image, int verbose, int *total_run, int *total,
345 GTimer *timer, MonoDomain *domain)
347 int result, expected, failed, cfailed, run, code_size;
349 double elapsed, comp_time, start_time;
353 mono_set_defaults (verbose, opt_flags);
354 n = mono_opt_descr (opt_flags);
355 g_print ("Test run: image=%s, opts=%s\n", mono_image_get_filename (image), n);
357 cfailed = failed = run = code_size = 0;
358 comp_time = elapsed = 0.0;
360 /* fixme: ugly hack - delete all previously compiled methods */
361 if (domain_jit_info (domain)) {
362 g_hash_table_destroy (domain_jit_info (domain)->jit_trampoline_hash);
363 domain_jit_info (domain)->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
364 mono_internal_hash_table_destroy (&(domain->jit_code_hash));
365 mono_jit_code_hash_init (&(domain->jit_code_hash));
368 g_timer_start (timer);
370 fprintf (mini_stats_fd, "[");
371 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
373 MonoMethod *method = mono_get_method_checked (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL, NULL, &error);
375 mono_error_cleanup (&error); /* FIXME don't swallow the error */
378 if (strncmp (method->name, "test_", 5) == 0) {
381 expected = atoi (method->name + 5);
383 start_time = g_timer_elapsed (timer, NULL);
384 comp_time -= start_time;
385 cfg = mini_method_compile (method, mono_get_optimizations_for_method (method, opt_flags), mono_get_root_domain (), JIT_FLAG_RUN_CCTORS, 0, -1);
386 comp_time += g_timer_elapsed (timer, NULL);
387 if (cfg->exception_type == MONO_EXCEPTION_NONE) {
389 g_print ("Running '%s' ...\n", method->name);
390 #ifdef MONO_USE_AOT_COMPILER
392 func = (TestMethod)mono_aot_get_method_checked (mono_get_root_domain (), method, &error);
393 mono_error_cleanup (&error);
395 func = (TestMethod)(gpointer)cfg->native_code;
397 func = (TestMethod)(gpointer)cfg->native_code;
399 func = (TestMethod)mono_create_ftnptr (mono_get_root_domain (), func);
401 if (result != expected) {
403 g_print ("Test '%s' failed result (got %d, expected %d).\n", method->name, result, expected);
405 code_size += cfg->code_len;
406 mono_destroy_compile (cfg);
410 g_print ("Test '%s' failed compilation.\n", method->name);
413 fprintf (mini_stats_fd, "%f, ",
414 g_timer_elapsed (timer, NULL) - start_time);
418 fprintf (mini_stats_fd, "],\n");
419 g_timer_stop (timer);
420 elapsed = g_timer_elapsed (timer, NULL);
421 if (failed > 0 || cfailed > 0){
422 g_print ("Results: total tests: %d, failed: %d, cfailed: %d (pass: %.2f%%)\n",
423 run, failed, cfailed, 100.0*(run-failed-cfailed)/run);
425 g_print ("Results: total tests: %d, all pass \n", run);
428 g_print ("Elapsed time: %f secs (%f, %f), Code size: %d\n\n", elapsed,
429 elapsed - comp_time, comp_time, code_size);
430 *total += failed + cfailed;
435 mini_regression (MonoImage *image, int verbose, int *total_run)
440 GTimer *timer = g_timer_new ();
441 MonoDomain *domain = mono_domain_get ();
445 /* Note: mono_hwcap_init () called in mono_init () before we get here. */
446 mono_arch_cpu_optimizations (&exclude);
449 fprintf (mini_stats_fd, "$stattitle = \'Mono Benchmark Results (various optimizations)\';\n");
451 fprintf (mini_stats_fd, "$graph->set_legend(qw(");
452 for (opt = 0; opt < G_N_ELEMENTS (opt_sets); opt++) {
453 guint32 opt_flags = opt_sets [opt];
454 n = mono_opt_descr (opt_flags);
458 fprintf (mini_stats_fd, " ");
459 fprintf (mini_stats_fd, "%s", n);
463 fprintf (mini_stats_fd, "));\n");
465 fprintf (mini_stats_fd, "@data = (\n");
466 fprintf (mini_stats_fd, "[");
469 /* load the metadata */
470 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
472 method = mono_get_method_checked (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL, NULL, &error);
474 mono_error_cleanup (&error);
477 mono_class_init (method->klass);
479 if (!strncmp (method->name, "test_", 5) && mini_stats_fd) {
480 fprintf (mini_stats_fd, "\"%s\",", method->name);
484 fprintf (mini_stats_fd, "],\n");
489 if (mono_do_single_method_regression) {
492 mini_regression_step (image, verbose, total_run, &total,
497 g_print ("Single method regression: %d methods\n", g_slist_length (mono_single_method_list));
499 for (iter = mono_single_method_list; iter; iter = g_slist_next (iter)) {
502 mono_current_single_method = (MonoMethod *)iter->data;
504 method_name = mono_method_full_name (mono_current_single_method, TRUE);
505 g_print ("Current single method: %s\n", method_name);
506 g_free (method_name);
508 mini_regression_step (image, verbose, total_run, &total,
515 for (opt = 0; opt < G_N_ELEMENTS (opt_sets); ++opt) {
516 mini_regression_step (image, verbose, total_run, &total,
517 opt_sets [opt] & ~exclude,
523 fprintf (mini_stats_fd, ");\n");
524 fflush (mini_stats_fd);
527 g_timer_destroy (timer);
532 mini_regression_list (int verbose, int count, char *images [])
534 int i, total, total_run, run;
537 total_run = total = 0;
538 for (i = 0; i < count; ++i) {
539 ass = mono_assembly_open (images [i], NULL);
541 g_warning ("failed to load assembly: %s", images [i]);
544 total += mini_regression (mono_assembly_get_image (ass), verbose, &run);
548 g_print ("Overall results: tests: %d, failed: %d, opt combinations: %d (pass: %.2f%%)\n",
549 total_run, total, (int)G_N_ELEMENTS (opt_sets), 100.0*(total_run-total)/total_run);
551 g_print ("Overall results: tests: %d, 100%% pass, opt combinations: %d\n",
552 total_run, (int)G_N_ELEMENTS (opt_sets));
558 #ifdef MONO_JIT_INFO_TABLE_TEST
559 typedef struct _JitInfoData
564 struct _JitInfoData *next;
584 static int num_threads;
585 static ThreadData *thread_datas;
586 static MonoDomain *test_domain;
589 alloc_random_data (Region *region)
602 data = ®ion->data;
603 pos = random () % (region->num_datas + 1);
605 while (*data != NULL) {
609 data = &(*data)->next;
613 g_assert (*data == region->data);
615 g_assert (prev->next == *data);
618 prev_end = region->start;
620 prev_end = prev->start + prev->length;
623 next_start = region->start + region->length;
625 next_start = (*data)->start;
627 g_assert (prev_end <= next_start);
629 max_len = next_start - prev_end;
631 if (++num_retries >= 10)
638 d = g_new0 (JitInfoData, 1);
639 d->start = prev_end + random () % (max_len / 2);
640 d->length = random () % MIN (max_len, next_start - d->start) + 1;
642 g_assert (d->start >= prev_end && d->start + d->length <= next_start);
644 d->ji = g_new0 (MonoJitInfo, 1);
645 d->ji->d.method = (MonoMethod*) 0xABadBabe;
646 d->ji->code_start = (gpointer)(gulong) d->start;
647 d->ji->code_size = d->length;
648 d->ji->cas_inited = 1; /* marks an allocated jit info */
659 choose_random_data (Region *region)
665 g_assert (region->num_datas > 0);
667 n = random () % region->num_datas;
669 for (d = ®ion->data, i = 0;
671 d = &(*d)->next, ++i)
678 choose_random_region (ThreadData *td)
680 return &td->regions [random () % td->num_regions];
684 choose_random_thread (void)
686 return &thread_datas [random () % num_threads];
690 free_jit_info_data (ThreadData *td, JitInfoData *free)
692 free->next = td->frees;
695 if (++td->num_frees >= 1000) {
698 for (i = 0; i < 500; ++i)
701 while (free->next != NULL) {
702 JitInfoData *next = free->next->next;
704 //g_free (free->next->ji);
713 #define NUM_THREADS 8
714 #define REGIONS_PER_THREAD 10
715 #define REGION_SIZE 0x10000
717 #define MAX_ADDR (REGION_SIZE * REGIONS_PER_THREAD * NUM_THREADS)
723 test_thread_func (ThreadData *td)
725 int mode = MODE_ALLOC;
727 gulong lookup_successes = 0, lookup_failures = 0;
728 MonoDomain *domain = test_domain;
729 int thread_num = (int)(td - thread_datas);
730 gboolean modify_thread = thread_num < NUM_THREADS / 2; /* only half of the threads modify the table */
736 if (td->num_datas == 0) {
739 } else if (modify_thread && random () % 1000 < 5) {
741 if (mode == MODE_ALLOC)
742 alloc = (random () % 100) < 70;
743 else if (mode == MODE_FREE)
744 alloc = (random () % 100) < 30;
748 /* modify threads sometimes look up their own jit infos */
749 if (modify_thread && random () % 10 < 5) {
750 Region *region = choose_random_region (td);
752 if (region->num_datas > 0) {
753 JitInfoData **data = choose_random_data (region);
754 guint pos = (*data)->start + random () % (*data)->length;
757 ji = mono_jit_info_table_find (domain, (char*)(gulong) pos);
759 g_assert (ji->cas_inited);
760 g_assert ((*data)->ji == ji);
763 int pos = random () % MAX_ADDR;
764 char *addr = (char*)(gulong) pos;
767 ji = mono_jit_info_table_find (domain, addr);
770 * FIXME: We are actually not allowed
771 * to do this. By the time we examine
772 * the ji another thread might already
776 g_assert (addr >= (char*)ji->code_start && addr < (char*)ji->code_start + ji->code_size);
782 JitInfoData *data = alloc_random_data (choose_random_region (td));
785 mono_jit_info_table_add (domain, data->ji);
790 Region *region = choose_random_region (td);
792 if (region->num_datas > 0) {
793 JitInfoData **data = choose_random_data (region);
796 mono_jit_info_table_remove (domain, (*data)->ji);
798 //(*data)->ji->cas_inited = 0; /* marks a free jit info */
801 *data = (*data)->next;
803 free_jit_info_data (td, free);
810 if (++i % 100000 == 0) {
812 g_print ("num datas %d (%ld - %ld): %d", (int)(td - thread_datas),
813 lookup_successes, lookup_failures, td->num_datas);
814 for (j = 0; j < td->num_regions; ++j)
815 g_print (" %d", td->regions [j].num_datas);
819 if (td->num_datas < 100)
821 else if (td->num_datas > 2000)
828 small_id_thread_func (gpointer arg)
830 MonoThread *thread = mono_thread_current ();
831 MonoThreadHazardPointers *hp = mono_hazard_pointer_get ();
833 g_print ("my small id is %d\n", (int)thread->small_id);
834 mono_hazard_pointer_clear (hp, 1);
836 g_print ("done %d\n", (int)thread->small_id);
841 jit_info_table_test (MonoDomain *domain)
846 g_print ("testing jit_info_table\n");
848 num_threads = NUM_THREADS;
849 thread_datas = g_new0 (ThreadData, num_threads);
851 for (i = 0; i < num_threads; ++i) {
854 thread_datas [i].num_regions = REGIONS_PER_THREAD;
855 thread_datas [i].regions = g_new0 (Region, REGIONS_PER_THREAD);
857 for (j = 0; j < REGIONS_PER_THREAD; ++j) {
858 thread_datas [i].regions [j].start = (num_threads * j + i) * REGION_SIZE;
859 thread_datas [i].regions [j].length = REGION_SIZE;
863 test_domain = domain;
866 for (i = 0; i < 72; ++i)
867 mono_thread_create (domain, small_id_thread_func, NULL);
872 for (i = 0; i < num_threads; ++i) {
873 mono_thread_create_checked (domain, test_thread_func, &thread_datas [i], &error);
874 mono_error_assert_ok (&error);
882 DO_SINGLE_METHOD_REGRESSION,
889 typedef struct CompileAllThreadArgs {
893 guint32 recompilation_times;
894 } CompileAllThreadArgs;
897 compile_all_methods_thread_main_inner (CompileAllThreadArgs *args)
899 MonoAssembly *ass = args->ass;
900 int verbose = args->verbose;
901 MonoImage *image = mono_assembly_get_image (ass);
904 int i, count = 0, fail_count = 0;
906 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
908 guint32 token = MONO_TOKEN_METHOD_DEF | (i + 1);
909 MonoMethodSignature *sig;
911 if (mono_metadata_has_generic_params (image, token))
914 method = mono_get_method_checked (image, token, NULL, NULL, &error);
916 mono_error_cleanup (&error); /* FIXME don't swallow the error */
919 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
920 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
921 (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) ||
922 (method->flags & METHOD_ATTRIBUTE_ABSTRACT))
925 if (mono_class_is_gtd (method->klass))
927 sig = mono_method_signature (method);
929 char * desc = mono_method_full_name (method, TRUE);
930 g_print ("Could not retrieve method signature for %s\n", desc);
936 if (sig->has_type_parameters)
941 char * desc = mono_method_full_name (method, TRUE);
942 g_print ("Compiling %d %s\n", count, desc);
945 cfg = mini_method_compile (method, mono_get_optimizations_for_method (method, args->opts), mono_get_root_domain (), (JitFlags)JIT_FLAG_DISCARD_RESULTS, 0, -1);
946 if (cfg->exception_type != MONO_EXCEPTION_NONE) {
947 printf ("Compilation of %s failed with exception '%s':\n", mono_method_full_name (cfg->method, TRUE), cfg->exception_message);
950 mono_destroy_compile (cfg);
958 compile_all_methods_thread_main (CompileAllThreadArgs *args)
961 for (i = 0; i < args->recompilation_times; ++i)
962 compile_all_methods_thread_main_inner (args);
966 compile_all_methods (MonoAssembly *ass, int verbose, guint32 opts, guint32 recompilation_times)
969 CompileAllThreadArgs args;
972 args.verbose = verbose;
974 args.recompilation_times = recompilation_times;
977 * Need to create a mono thread since compilation might trigger
978 * running of managed code.
980 mono_thread_create_checked (mono_domain_get (), compile_all_methods_thread_main, &args, &error);
981 mono_error_assert_ok (&error);
983 mono_thread_manage ();
988 * @assembly: reference to an assembly
989 * @argc: argument count
990 * @argv: argument vector
992 * Start execution of a program.
995 mono_jit_exec (MonoDomain *domain, MonoAssembly *assembly, int argc, char *argv[])
998 MonoImage *image = mono_assembly_get_image (assembly);
1000 guint32 entry = mono_image_get_entry_point (image);
1003 g_print ("Assembly '%s' doesn't have an entry point.\n", mono_image_get_filename (image));
1004 /* FIXME: remove this silly requirement. */
1005 mono_environment_exitcode_set (1);
1009 method = mono_get_method_checked (image, entry, NULL, NULL, &error);
1010 if (method == NULL){
1011 g_print ("The entry point method could not be loaded due to %s\n", mono_error_get_message (&error));
1012 mono_error_cleanup (&error);
1013 mono_environment_exitcode_set (1);
1017 if (mono_llvm_only) {
1018 MonoObject *exc = NULL;
1021 res = mono_runtime_try_run_main (method, argc, argv, &exc);
1023 mono_unhandled_exception (exc);
1024 mono_invoke_unhandled_exception_hook (exc);
1025 g_assert_not_reached ();
1029 int res = mono_runtime_run_main_checked (method, argc, argv, &error);
1030 if (!is_ok (&error)) {
1031 MonoException *ex = mono_error_convert_to_exception (&error);
1033 mono_unhandled_exception (&ex->object);
1034 mono_invoke_unhandled_exception_hook (&ex->object);
1035 g_assert_not_reached ();
1052 static void main_thread_handler (gpointer user_data)
1054 MainThreadArgs *main_args = (MainThreadArgs *)user_data;
1055 MonoAssembly *assembly;
1057 if (mono_compile_aot) {
1060 /* Treat the other arguments as assemblies to compile too */
1061 for (i = 0; i < main_args->argc; ++i) {
1062 assembly = mono_domain_assembly_open (main_args->domain, main_args->argv [i]);
1064 fprintf (stderr, "Can not open image %s\n", main_args->argv [i]);
1067 /* Check that the assembly loaded matches the filename */
1069 MonoImageOpenStatus status;
1072 img = mono_image_open (main_args->argv [i], &status);
1073 if (img && strcmp (img->name, assembly->image->name)) {
1074 fprintf (stderr, "Error: Loaded assembly '%s' doesn't match original file name '%s'. Set MONO_PATH to the assembly's location.\n", assembly->image->name, img->name);
1078 res = mono_compile_assembly (assembly, main_args->opts, main_args->aot_options);
1080 fprintf (stderr, "AOT of image %s failed.\n", main_args->argv [i]);
1085 assembly = mono_domain_assembly_open (main_args->domain, main_args->file);
1087 fprintf (stderr, "Can not open image %s\n", main_args->file);
1092 * This must be done in a thread managed by mono since it can invoke
1095 if (main_args->opts & MONO_OPT_PRECOMP)
1096 mono_precompile_assemblies ();
1098 mono_jit_exec (main_args->domain, assembly, main_args->argc, main_args->argv);
1103 load_agent (MonoDomain *domain, char *desc)
1106 char* col = strchr (desc, ':');
1108 MonoAssembly *agent_assembly;
1112 MonoArray *main_args;
1114 MonoImageOpenStatus open_status;
1117 agent = (char *)g_memdup (desc, col - desc + 1);
1118 agent [col - desc] = '\0';
1121 agent = g_strdup (desc);
1125 agent_assembly = mono_assembly_open (agent, &open_status);
1126 if (!agent_assembly) {
1127 fprintf (stderr, "Cannot open agent assembly '%s': %s.\n", agent, mono_image_strerror (open_status));
1133 * Can't use mono_jit_exec (), as it sets things which might confuse the
1136 image = mono_assembly_get_image (agent_assembly);
1137 entry = mono_image_get_entry_point (image);
1139 g_print ("Assembly '%s' doesn't have an entry point.\n", mono_image_get_filename (image));
1144 method = mono_get_method_checked (image, entry, NULL, NULL, &error);
1145 if (method == NULL){
1146 g_print ("The entry point method of assembly '%s' could not be loaded due to %s\n", agent, mono_error_get_message (&error));
1147 mono_error_cleanup (&error);
1152 mono_thread_set_main (mono_thread_current ());
1155 main_args = (MonoArray*)mono_array_new_checked (domain, mono_defaults.string_class, 1, &error);
1157 mono_array_set (main_args, MonoString*, 0, mono_string_new (domain, args));
1159 main_args = (MonoArray*)mono_array_new_checked (domain, mono_defaults.string_class, 0, &error);
1162 g_print ("Could not allocate array for main args of assembly '%s' due to %s\n", agent, mono_error_get_message (&error));
1163 mono_error_cleanup (&error);
1170 /* Pass NULL as 'exc' so unhandled exceptions abort the runtime */
1171 mono_runtime_invoke_checked (method, NULL, pa, &error);
1172 if (!is_ok (&error)) {
1173 g_print ("The entry point method of assembly '%s' could not execute due to %s\n", agent, mono_error_get_message (&error));
1174 mono_error_cleanup (&error);
1184 mini_usage_jitdeveloper (void)
1189 "Runtime and JIT debugging options:\n"
1190 " --breakonex Inserts a breakpoint on exceptions\n"
1191 " --break METHOD Inserts a breakpoint at METHOD entry\n"
1192 " --break-at-bb METHOD N Inserts a breakpoint in METHOD at BB N\n"
1193 " --compile METHOD Just compile METHOD in assembly\n"
1194 " --compile-all=N Compiles all the methods in the assembly multiple times (default: 1)\n"
1195 " --ncompile N Number of times to compile METHOD (default: 1)\n"
1196 " --print-vtable Print the vtable of all used classes\n"
1197 " --regression Runs the regression test contained in the assembly\n"
1198 " --single-method=OPTS Runs regressions with only one method optimized with OPTS at any time\n"
1199 " --statfile FILE Sets the stat file to FILE\n"
1200 " --stats Print statistics about the JIT operations\n"
1201 " --inject-async-exc METHOD OFFSET Inject an asynchronous exception at METHOD\n"
1202 " --verify-all Run the verifier on all assemblies and methods\n"
1203 " --full-aot Avoid JITting any code\n"
1204 " --llvmonly Use LLVM compiled code only\n"
1205 " --agent=ASSEMBLY[:ARG] Loads the specific agent assembly and executes its Main method with the given argument before loading the main assembly.\n"
1206 " --no-x86-stack-align Don't align stack on x86\n"
1208 "The options supported by MONO_DEBUG can also be passed on the command line.\n"
1211 " --graph[=TYPE] METHOD Draws a graph of the specified method:\n");
1213 for (i = 0; i < G_N_ELEMENTS (graph_names); ++i) {
1214 fprintf (stdout, " %-10s %s\n", graph_names [i].name, graph_names [i].desc);
1219 mini_usage_list_opt (void)
1223 for (i = 0; i < G_N_ELEMENTS (opt_names); ++i)
1224 fprintf (stdout, " %-10s %s\n", optflag_get_name (i), optflag_get_desc (i));
1231 "Usage is: mono [options] program [program-options]\n"
1234 " --aot[=<options>] Compiles the assembly to native code\n"
1235 " --debug[=<options>] Enable debugging support, use --help-debug for details\n"
1236 " --debugger-agent=options Enable the debugger agent\n"
1237 " --profile[=profiler] Runs in profiling mode with the specified profiler module\n"
1238 " --trace[=EXPR] Enable tracing, use --help-trace for details\n"
1239 " --jitmap Output a jit method map to /tmp/perf-PID.map\n"
1240 " --help-devel Shows more options available to developers\n"
1243 " --config FILE Loads FILE as the Mono config\n"
1244 " --verbose, -v Increases the verbosity level\n"
1245 " --help, -h Show usage information\n"
1246 " --version, -V Show version information\n"
1247 " --runtime=VERSION Use the VERSION runtime, instead of autodetecting\n"
1248 " --optimize=OPT Turns on or off a specific optimization\n"
1249 " Use --list-opt to get a list of optimizations\n"
1250 #ifndef DISABLE_SECURITY
1251 " --security[=mode] Turns on the unsupported security manager (off by default)\n"
1252 " mode is one of cas, core-clr, verifiable or validil\n"
1254 " --attach=OPTIONS Pass OPTIONS to the attach agent in the runtime.\n"
1255 " Currently the only supported option is 'disable'.\n"
1256 " --llvm, --nollvm Controls whenever the runtime uses LLVM to compile code.\n"
1257 " --gc=[sgen,boehm] Select SGen or Boehm GC (runs mono or mono-sgen)\n"
1259 " --arch=[32,64] Select architecture (runs mono32 or mono64)\n"
1262 " --mixed-mode Enable mixed-mode image support.\n"
1264 " --handlers Install custom handlers, use --help-handlers for details.\n"
1265 " --aot-path=PATH List of additional directories to search for AOT images.\n"
1270 mini_trace_usage (void)
1273 "Tracing options:\n"
1274 " --trace[=EXPR] Trace every call, optional EXPR controls the scope\n"
1276 "EXPR is composed of:\n"
1277 " all All assemblies\n"
1278 " none No assemblies\n"
1279 " program Entry point assembly\n"
1280 " assembly Specifies an assembly\n"
1281 " wrapper All wrappers bridging native and managed code\n"
1282 " M:Type:Method Specifies a method\n"
1283 " N:Namespace Specifies a namespace\n"
1284 " T:Type Specifies a type\n"
1285 " E:Type Specifies stack traces for an exception type\n"
1286 " EXPR Includes expression\n"
1287 " -EXPR Excludes expression\n"
1288 " EXPR,EXPR Multiple expressions\n"
1289 " disabled Don't print any output until toggled via SIGUSR2\n");
1293 mini_debug_usage (void)
1296 "Debugging options:\n"
1297 " --debug[=OPTIONS] Enable debugging support, optional OPTIONS is a comma\n"
1298 " separated list of options\n"
1300 "OPTIONS is composed of:\n"
1301 " casts Enable more detailed InvalidCastException messages.\n"
1302 " mdb-optimizations Disable some JIT optimizations which are normally\n"
1303 " disabled when running inside the debugger.\n"
1304 " This is useful if you plan to attach to the running\n"
1305 " process with the debugger.\n");
1308 #if defined(MONO_ARCH_ARCHITECTURE)
1309 /* Redefine MONO_ARCHITECTURE to include more information */
1310 #undef MONO_ARCHITECTURE
1311 #define MONO_ARCHITECTURE MONO_ARCH_ARCHITECTURE
1314 static const char info[] =
1315 #ifdef HAVE_KW_THREAD
1319 #endif /* HAVE_KW_THREAD */
1320 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
1321 "\tSIGSEGV: altstack\n"
1323 "\tSIGSEGV: normal\n"
1326 "\tNotifications: epoll\n"
1327 #elif defined(HAVE_KQUEUE)
1328 "\tNotification: kqueue\n"
1330 "\tNotification: Thread + polling\n"
1332 "\tArchitecture: " MONO_ARCHITECTURE "\n"
1333 "\tDisabled: " DISABLED_FEATURES "\n"
1335 #ifdef MONO_SMALL_CONFIG
1338 #ifdef MONO_BIG_ARRAYS
1341 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && !defined(DISABLE_SOFT_DEBUG)
1345 #ifdef MONO_ARCH_LLVM_SUPPORTED
1347 "\tLLVM: yes(" LLVM_VERSION ")\n"
1349 "\tLLVM: supported, not enabled.\n"
1354 #ifndef MONO_ARCH_AOT_SUPPORTED
1355 #define error_if_aot_unsupported() do {fprintf (stderr, "AOT compilation is not supported on this platform.\n"); exit (1);} while (0)
1357 #define error_if_aot_unsupported()
1360 static gboolean enable_debugging;
1363 * mono_jit_parse_options:
1365 * Process the command line options in ARGV as done by the runtime executable.
1366 * This should be called before mono_jit_init ().
1369 mono_jit_parse_options (int argc, char * argv[])
1372 char *trace_options = NULL;
1373 int mini_verbose = 0;
1377 * Some options have no effect here, since they influence the behavior of
1381 opt = mono_parse_default_optimizations (NULL);
1383 /* FIXME: Avoid code duplication */
1384 for (i = 0; i < argc; ++i) {
1385 if (argv [i] [0] != '-')
1387 if (strncmp (argv [i], "--debugger-agent=", 17) == 0) {
1388 MonoDebugOptions *opt = mini_get_debug_options ();
1390 mono_debugger_agent_parse_options (argv [i] + 17);
1391 opt->mdb_optimizations = TRUE;
1392 enable_debugging = TRUE;
1393 } else if (!strcmp (argv [i], "--soft-breakpoints")) {
1394 MonoDebugOptions *opt = mini_get_debug_options ();
1396 opt->soft_breakpoints = TRUE;
1397 opt->explicit_null_checks = TRUE;
1398 } else if (strncmp (argv [i], "--optimize=", 11) == 0) {
1399 opt = parse_optimizations (opt, argv [i] + 11, TRUE);
1400 mono_set_optimizations (opt);
1401 } else if (strncmp (argv [i], "-O=", 3) == 0) {
1402 opt = parse_optimizations (opt, argv [i] + 3, TRUE);
1403 mono_set_optimizations (opt);
1404 } else if (strcmp (argv [i], "--trace") == 0) {
1405 trace_options = (char*)"";
1406 } else if (strncmp (argv [i], "--trace=", 8) == 0) {
1407 trace_options = &argv [i][8];
1408 } else if (strcmp (argv [i], "--verbose") == 0 || strcmp (argv [i], "-v") == 0) {
1410 } else if (strcmp (argv [i], "--breakonex") == 0) {
1411 MonoDebugOptions *opt = mini_get_debug_options ();
1413 opt->break_on_exc = TRUE;
1414 } else if (strcmp (argv [i], "--stats") == 0) {
1415 mono_counters_enable (-1);
1416 mono_stats.enabled = TRUE;
1417 mono_jit_stats.enabled = TRUE;
1418 } else if (strcmp (argv [i], "--break") == 0) {
1420 fprintf (stderr, "Missing method name in --break command line option\n");
1424 if (!mono_debugger_insert_breakpoint (argv [++i], FALSE))
1425 fprintf (stderr, "Error: invalid method name '%s'\n", argv [i]);
1426 } else if (strncmp (argv[i], "--gc-params=", 12) == 0) {
1427 mono_gc_params_set (argv[i] + 12);
1428 } else if (strncmp (argv[i], "--gc-debug=", 11) == 0) {
1429 mono_gc_debug_set (argv[i] + 11);
1430 } else if (strcmp (argv [i], "--llvm") == 0) {
1431 #ifndef MONO_ARCH_LLVM_SUPPORTED
1432 fprintf (stderr, "Mono Warning: --llvm not supported on this platform.\n");
1433 #elif !defined(ENABLE_LLVM)
1434 fprintf (stderr, "Mono Warning: --llvm not enabled in this runtime.\n");
1436 mono_use_llvm = TRUE;
1438 } else if (argv [i][0] == '-' && argv [i][1] == '-' && mini_parse_debug_option (argv [i] + 2)) {
1440 fprintf (stderr, "Unsupported command line option: '%s'\n", argv [i]);
1445 if (trace_options != NULL) {
1447 * Need to call this before mini_init () so we can trace methods
1448 * compiled there too.
1450 mono_jit_trace_calls = mono_trace_parse_options (trace_options);
1451 if (mono_jit_trace_calls == NULL)
1456 mono_set_verbose_level (mini_verbose);
1460 mono_set_use_smp (int use_smp)
1462 #if HAVE_SCHED_SETAFFINITY
1464 unsigned long proc_mask = 1;
1465 #ifdef GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY
1466 sched_setaffinity (getpid(), (gpointer)&proc_mask);
1468 sched_setaffinity (getpid(), sizeof (unsigned long), (const cpu_set_t *)&proc_mask);
1475 switch_gc (char* argv[], const char* target_gc)
1479 if (!strcmp (mono_gc_get_gc_name (), target_gc)) {
1483 path = g_string_new (argv [0]);
1485 /*Running mono without any argument*/
1486 if (strstr (argv [0], "-sgen"))
1487 g_string_truncate (path, path->len - 5);
1488 else if (strstr (argv [0], "-boehm"))
1489 g_string_truncate (path, path->len - 6);
1491 g_string_append_c (path, '-');
1492 g_string_append (path, target_gc);
1495 execvp (path->str, argv);
1496 fprintf (stderr, "Error: Failed to switch to %s gc. mono-%s is not installed.\n", target_gc, target_gc);
1498 fprintf (stderr, "Error: --gc=<NAME> option not supported on this platform.\n");
1505 * tries to increase the minimum number of files, if the number is below 1024
1508 darwin_change_default_file_handles ()
1510 struct rlimit limit;
1512 if (getrlimit (RLIMIT_NOFILE, &limit) == 0){
1513 if (limit.rlim_cur < 1024){
1514 limit.rlim_cur = MAX(1024,limit.rlim_cur);
1515 setrlimit (RLIMIT_NOFILE, &limit);
1521 switch_arch (char* argv[], const char* target_arch)
1526 if ((strcmp (target_arch, "32") == 0 && strcmp (MONO_ARCHITECTURE, "x86") == 0) ||
1527 (strcmp (target_arch, "64") == 0 && strcmp (MONO_ARCHITECTURE, "amd64") == 0)) {
1528 return; /* matching arch loaded */
1531 path = g_string_new (argv [0]);
1532 arch_offset = path->len -2; /* last two characters */
1534 /* Remove arch suffix if present */
1535 if (strstr (&path->str[arch_offset], "32") || strstr (&path->str[arch_offset], "64")) {
1536 g_string_truncate (path, arch_offset);
1539 g_string_append (path, target_arch);
1541 if (execvp (path->str, argv) < 0) {
1542 fprintf (stderr, "Error: --arch=%s Failed to switch to '%s'.\n", target_arch, path->str);
1549 #define MONO_HANDLERS_ARGUMENT "--handlers="
1550 #define MONO_HANDLERS_ARGUMENT_LEN G_N_ELEMENTS(MONO_HANDLERS_ARGUMENT)-1
1554 * @argc: number of arguments in the argv array
1555 * @argv: array of strings containing the startup arguments
1557 * Launches the Mono JIT engine and parses all the command line options
1558 * in the same way that the mono command line VM would.
1561 mono_main (int argc, char* argv[])
1563 MainThreadArgs main_args;
1564 MonoAssembly *assembly;
1565 MonoMethodDesc *desc;
1569 MonoImageOpenStatus open_status;
1570 const char* aname, *mname = NULL;
1571 char *config_file = NULL;
1573 guint32 opt, action = DO_EXEC, recompilation_times = 1;
1574 MonoGraphOptions mono_graph_options = (MonoGraphOptions)0;
1575 int mini_verbose = 0;
1576 gboolean enable_profile = FALSE;
1577 char *trace_options = NULL;
1578 char *profile_options = NULL;
1579 char *aot_options = NULL;
1580 char *forced_version = NULL;
1581 GPtrArray *agents = NULL;
1582 char *attach_options = NULL;
1583 #ifdef MONO_JIT_INFO_TABLE_TEST
1584 int test_jit_info_table = FALSE;
1587 int mixed_mode = FALSE;
1589 #ifdef __native_client__
1590 gboolean nacl_null_checks_off = FALSE;
1595 /* stdout defaults to block buffering if it's not writing to a terminal, which
1596 * happens with our test harness: we redirect stdout to capture it. Force line
1597 * buffering in all cases. */
1598 setlinebuf (stdout);
1602 setlocale (LC_ALL, "");
1605 darwin_change_default_file_handles ();
1608 if (g_getenv ("MONO_NO_SMP"))
1609 mono_set_use_smp (FALSE);
1611 g_log_set_always_fatal (G_LOG_LEVEL_ERROR);
1612 g_log_set_fatal_mask (G_LOG_DOMAIN, G_LOG_LEVEL_ERROR);
1614 opt = mono_parse_default_optimizations (NULL);
1616 for (i = 1; i < argc; ++i) {
1617 if (argv [i] [0] != '-')
1619 if (strcmp (argv [i], "--regression") == 0) {
1620 action = DO_REGRESSION;
1621 } else if (strncmp (argv [i], "--single-method=", 16) == 0) {
1622 char *full_opts = g_strdup_printf ("-all,%s", argv [i] + 16);
1623 action = DO_SINGLE_METHOD_REGRESSION;
1624 mono_single_method_regression_opt = parse_optimizations (opt, full_opts, TRUE);
1626 } else if (strcmp (argv [i], "--verbose") == 0 || strcmp (argv [i], "-v") == 0) {
1628 } else if (strcmp (argv [i], "--version") == 0 || strcmp (argv [i], "-V") == 0) {
1629 char *build = mono_get_runtime_build_info ();
1632 g_print ("Mono JIT compiler version %s\nCopyright (C) 2002-2014 Novell, Inc, Xamarin Inc and Contributors. www.mono-project.com\n", build);
1635 gc_descr = mono_gc_get_description ();
1636 g_print ("\tGC: %s\n", gc_descr);
1639 } else if (strcmp (argv [i], "--help") == 0 || strcmp (argv [i], "-h") == 0) {
1642 } else if (strcmp (argv [i], "--help-trace") == 0){
1643 mini_trace_usage ();
1645 } else if (strcmp (argv [i], "--help-devel") == 0){
1646 mini_usage_jitdeveloper ();
1648 } else if (strcmp (argv [i], "--help-debug") == 0){
1649 mini_debug_usage ();
1651 } else if (strcmp (argv [i], "--list-opt") == 0){
1652 mini_usage_list_opt ();
1654 } else if (strncmp (argv [i], "--statfile", 10) == 0) {
1656 fprintf (stderr, "error: --statfile requires a filename argument\n");
1659 mini_stats_fd = fopen (argv [++i], "w+");
1660 } else if (strncmp (argv [i], "--optimize=", 11) == 0) {
1661 opt = parse_optimizations (opt, argv [i] + 11, TRUE);
1662 } else if (strncmp (argv [i], "-O=", 3) == 0) {
1663 opt = parse_optimizations (opt, argv [i] + 3, TRUE);
1664 } else if (strncmp (argv [i], "--bisect=", 9) == 0) {
1665 char *param = argv [i] + 9;
1666 char *sep = strchr (param, ':');
1668 fprintf (stderr, "Error: --bisect requires OPT:FILENAME\n");
1671 char *opt_string = g_strndup (param, sep - param);
1672 guint32 opt = parse_optimizations (0, opt_string, FALSE);
1673 g_free (opt_string);
1674 mono_set_bisect_methods (opt, sep + 1);
1675 } else if (strcmp (argv [i], "--gc=sgen") == 0) {
1676 switch_gc (argv, "sgen");
1677 } else if (strcmp (argv [i], "--gc=boehm") == 0) {
1678 switch_gc (argv, "boehm");
1679 } else if (strncmp (argv[i], "--gc-params=", 12) == 0) {
1680 mono_gc_params_set (argv[i] + 12);
1681 } else if (strncmp (argv[i], "--gc-debug=", 11) == 0) {
1682 mono_gc_debug_set (argv[i] + 11);
1685 else if (strcmp (argv [i], "--arch=32") == 0) {
1686 switch_arch (argv, "32");
1687 } else if (strcmp (argv [i], "--arch=64") == 0) {
1688 switch_arch (argv, "64");
1691 else if (strcmp (argv [i], "--config") == 0) {
1693 fprintf (stderr, "error: --config requires a filename argument\n");
1696 config_file = argv [++i];
1698 } else if (strcmp (argv [i], "--mixed-mode") == 0) {
1701 } else if (strcmp (argv [i], "--ncompile") == 0) {
1703 fprintf (stderr, "error: --ncompile requires an argument\n");
1706 count = atoi (argv [++i]);
1708 } else if (strcmp (argv [i], "--trace") == 0) {
1709 trace_options = (char*)"";
1710 } else if (strncmp (argv [i], "--trace=", 8) == 0) {
1711 trace_options = &argv [i][8];
1712 } else if (strcmp (argv [i], "--breakonex") == 0) {
1713 MonoDebugOptions *opt = mini_get_debug_options ();
1715 opt->break_on_exc = TRUE;
1716 } else if (strcmp (argv [i], "--break") == 0) {
1718 fprintf (stderr, "Missing method name in --break command line option\n");
1722 if (!mono_debugger_insert_breakpoint (argv [++i], FALSE))
1723 fprintf (stderr, "Error: invalid method name '%s'\n", argv [i]);
1724 } else if (strcmp (argv [i], "--break-at-bb") == 0) {
1725 if (i + 2 >= argc) {
1726 fprintf (stderr, "Missing method name or bb num in --break-at-bb command line option.");
1729 mono_break_at_bb_method = mono_method_desc_new (argv [++i], TRUE);
1730 if (mono_break_at_bb_method == NULL) {
1731 fprintf (stderr, "Method name is in a bad format in --break-at-bb command line option.");
1734 mono_break_at_bb_bb_num = atoi (argv [++i]);
1735 } else if (strcmp (argv [i], "--inject-async-exc") == 0) {
1736 if (i + 2 >= argc) {
1737 fprintf (stderr, "Missing method name or position in --inject-async-exc command line option\n");
1740 mono_inject_async_exc_method = mono_method_desc_new (argv [++i], TRUE);
1741 if (mono_inject_async_exc_method == NULL) {
1742 fprintf (stderr, "Method name is in a bad format in --inject-async-exc command line option\n");
1745 mono_inject_async_exc_pos = atoi (argv [++i]);
1746 } else if (strcmp (argv [i], "--verify-all") == 0) {
1747 mono_verifier_enable_verify_all ();
1748 } else if (strcmp (argv [i], "--full-aot") == 0) {
1749 mono_jit_set_aot_mode (MONO_AOT_MODE_FULL);
1750 } else if (strcmp (argv [i], "--llvmonly") == 0) {
1751 mono_jit_set_aot_mode (MONO_AOT_MODE_LLVMONLY);
1752 } else if (strcmp (argv [i], "--hybrid-aot") == 0) {
1753 mono_jit_set_aot_mode (MONO_AOT_MODE_HYBRID);
1754 } else if (strcmp (argv [i], "--print-vtable") == 0) {
1755 mono_print_vtable = TRUE;
1756 } else if (strcmp (argv [i], "--stats") == 0) {
1757 mono_counters_enable (-1);
1758 mono_stats.enabled = TRUE;
1759 mono_jit_stats.enabled = TRUE;
1761 } else if (strcmp (argv [i], "--aot") == 0) {
1762 error_if_aot_unsupported ();
1763 mono_compile_aot = TRUE;
1764 } else if (strncmp (argv [i], "--aot=", 6) == 0) {
1765 error_if_aot_unsupported ();
1766 mono_compile_aot = TRUE;
1767 aot_options = &argv [i][6];
1769 } else if (strncmp (argv [i], "--aot-path=", 11) == 0) {
1772 splitted = g_strsplit (argv [i] + 11, G_SEARCHPATH_SEPARATOR_S, 1000);
1774 char *tmp = *splitted;
1775 mono_aot_paths = g_list_append (mono_aot_paths, g_strdup (tmp));
1779 } else if (strncmp (argv [i], "--compile-all=", 14) == 0) {
1780 action = DO_COMPILE;
1781 recompilation_times = atoi (argv [i] + 14);
1782 } else if (strcmp (argv [i], "--compile-all") == 0) {
1783 action = DO_COMPILE;
1784 } else if (strncmp (argv [i], "--runtime=", 10) == 0) {
1785 forced_version = &argv [i][10];
1786 } else if (strcmp (argv [i], "--jitmap") == 0) {
1787 mono_enable_jit_map ();
1788 } else if (strcmp (argv [i], "--profile") == 0) {
1789 enable_profile = TRUE;
1790 profile_options = NULL;
1791 } else if (strncmp (argv [i], "--profile=", 10) == 0) {
1792 enable_profile = TRUE;
1793 profile_options = argv [i] + 10;
1794 } else if (strncmp (argv [i], "--agent=", 8) == 0) {
1796 agents = g_ptr_array_new ();
1797 g_ptr_array_add (agents, argv [i] + 8);
1798 } else if (strncmp (argv [i], "--attach=", 9) == 0) {
1799 attach_options = argv [i] + 9;
1800 } else if (strcmp (argv [i], "--compile") == 0) {
1802 fprintf (stderr, "error: --compile option requires a method name argument\n");
1808 } else if (strncmp (argv [i], "--graph=", 8) == 0) {
1810 fprintf (stderr, "error: --graph option requires a method name argument\n");
1814 mono_graph_options = mono_parse_graph_options (argv [i] + 8);
1817 } else if (strcmp (argv [i], "--graph") == 0) {
1819 fprintf (stderr, "error: --graph option requires a method name argument\n");
1824 mono_graph_options = MONO_GRAPH_CFG;
1826 } else if (strcmp (argv [i], "--debug") == 0) {
1827 enable_debugging = TRUE;
1828 } else if (strncmp (argv [i], "--debug=", 8) == 0) {
1829 enable_debugging = TRUE;
1830 if (!parse_debug_options (argv [i] + 8))
1832 } else if (strncmp (argv [i], "--debugger-agent=", 17) == 0) {
1833 MonoDebugOptions *opt = mini_get_debug_options ();
1835 mono_debugger_agent_parse_options (argv [i] + 17);
1836 opt->mdb_optimizations = TRUE;
1837 enable_debugging = TRUE;
1838 } else if (strcmp (argv [i], "--security") == 0) {
1839 #ifndef DISABLE_SECURITY
1840 mono_verifier_set_mode (MONO_VERIFIER_MODE_VERIFIABLE);
1842 fprintf (stderr, "error: --security: not compiled with security manager support");
1845 } else if (strncmp (argv [i], "--security=", 11) == 0) {
1846 /* Note: validil, and verifiable need to be
1847 accepted even if DISABLE_SECURITY is defined. */
1849 if (strcmp (argv [i] + 11, "core-clr") == 0) {
1850 #ifndef DISABLE_SECURITY
1851 mono_verifier_set_mode (MONO_VERIFIER_MODE_VERIFIABLE);
1852 mono_security_set_mode (MONO_SECURITY_MODE_CORE_CLR);
1854 fprintf (stderr, "error: --security: not compiled with CoreCLR support");
1857 } else if (strcmp (argv [i] + 11, "core-clr-test") == 0) {
1858 #ifndef DISABLE_SECURITY
1859 /* fixme should we enable verifiable code here?*/
1860 mono_security_set_mode (MONO_SECURITY_MODE_CORE_CLR);
1861 mono_security_core_clr_test = TRUE;
1863 fprintf (stderr, "error: --security: not compiled with CoreCLR support");
1866 } else if (strcmp (argv [i] + 11, "cas") == 0) {
1867 #ifndef DISABLE_SECURITY
1868 fprintf (stderr, "warning: --security=cas not supported.");
1870 fprintf (stderr, "error: --security: not compiled with CAS support");
1873 } else if (strcmp (argv [i] + 11, "validil") == 0) {
1874 mono_verifier_set_mode (MONO_VERIFIER_MODE_VALID);
1875 } else if (strcmp (argv [i] + 11, "verifiable") == 0) {
1876 mono_verifier_set_mode (MONO_VERIFIER_MODE_VERIFIABLE);
1878 fprintf (stderr, "error: --security= option has invalid argument (cas, core-clr, verifiable or validil)\n");
1881 } else if (strcmp (argv [i], "--desktop") == 0) {
1882 mono_gc_set_desktop_mode ();
1883 /* Put more desktop-specific optimizations here */
1884 } else if (strcmp (argv [i], "--server") == 0){
1885 mono_config_set_server_mode (TRUE);
1886 /* Put more server-specific optimizations here */
1887 } else if (strcmp (argv [i], "--inside-mdb") == 0) {
1888 action = DO_DEBUGGER;
1889 } else if (strncmp (argv [i], "--wapi=", 7) == 0) {
1890 fprintf (stderr, "--wapi= option no longer supported\n.");
1892 } else if (strcmp (argv [i], "--no-x86-stack-align") == 0) {
1893 mono_do_x86_stack_align = FALSE;
1894 #ifdef MONO_JIT_INFO_TABLE_TEST
1895 } else if (strcmp (argv [i], "--test-jit-info-table") == 0) {
1896 test_jit_info_table = TRUE;
1898 } else if (strcmp (argv [i], "--llvm") == 0) {
1899 #ifndef MONO_ARCH_LLVM_SUPPORTED
1900 fprintf (stderr, "Mono Warning: --llvm not supported on this platform.\n");
1901 #elif !defined(ENABLE_LLVM)
1902 fprintf (stderr, "Mono Warning: --llvm not enabled in this runtime.\n");
1904 mono_use_llvm = TRUE;
1906 } else if (strcmp (argv [i], "--nollvm") == 0){
1907 mono_use_llvm = FALSE;
1908 #ifdef ENABLE_INTERPRETER
1909 } else if (strcmp (argv [i], "--interpreter") == 0) {
1910 mono_use_interpreter = TRUE;
1913 #ifdef __native_client__
1914 } else if (strcmp (argv [i], "--nacl-mono-path") == 0){
1915 nacl_mono_path = g_strdup(argv[++i]);
1916 } else if (strcmp (argv [i], "--nacl-null-checks-off") == 0){
1917 nacl_null_checks_off = TRUE;
1919 } else if (strncmp (argv [i], MONO_HANDLERS_ARGUMENT, MONO_HANDLERS_ARGUMENT_LEN) == 0) {
1920 //Install specific custom handlers.
1921 if (!mono_runtime_install_custom_handlers (argv[i] + MONO_HANDLERS_ARGUMENT_LEN)) {
1922 fprintf (stderr, "error: " MONO_HANDLERS_ARGUMENT ", one or more unknown handlers: '%s'\n", argv [i]);
1925 } else if (strcmp (argv [i], "--help-handlers") == 0) {
1926 mono_runtime_install_custom_handlers_usage ();
1928 } else if (argv [i][0] == '-' && argv [i][1] == '-' && mini_parse_debug_option (argv [i] + 2)) {
1930 fprintf (stderr, "Unknown command line option: '%s'\n", argv [i]);
1935 #ifdef __native_client_codegen__
1936 if (!nacl_null_checks_off) {
1937 MonoDebugOptions *opt = mini_get_debug_options ();
1938 opt->explicit_null_checks = TRUE;
1942 #if defined(DISABLE_HW_TRAPS) || defined(MONO_ARCH_DISABLE_HW_TRAPS)
1943 // Signal handlers not available
1945 MonoDebugOptions *opt = mini_get_debug_options ();
1946 opt->explicit_null_checks = TRUE;
1955 #if !defined(HOST_WIN32) && defined(HAVE_UNISTD_H)
1957 * If we are not embedded, use the mono runtime executable to run managed exe's.
1962 runtime_path = mono_w32process_get_path (getpid ());
1964 mono_w32process_set_cli_launcher (runtime_path);
1965 g_free (runtime_path);
1970 if (g_getenv ("MONO_XDEBUG"))
1971 enable_debugging = TRUE;
1973 #ifdef MONO_CROSS_COMPILE
1974 if (!mono_compile_aot) {
1975 fprintf (stderr, "This mono runtime is compiled for cross-compiling. Only the --aot option is supported.\n");
1978 #if SIZEOF_VOID_P == 8 && (defined(TARGET_ARM) || defined(TARGET_X86))
1979 fprintf (stderr, "Can't cross-compile on 64-bit platforms to 32-bit architecture.\n");
1981 #elif SIZEOF_VOID_P == 4 && (defined(TARGET_ARM64) || defined(TARGET_AMD64))
1982 fprintf (stderr, "Can't cross-compile on 32-bit platforms to 64-bit architecture.\n");
1987 if (mono_compile_aot || action == DO_EXEC || action == DO_DEBUGGER) {
1988 g_set_prgname (argv[i]);
1991 mono_counters_init ();
1994 mono_w32handle_init ();
1997 /* Set rootdir before loading config */
1998 mono_set_rootdir ();
2000 if (enable_profile) {
2001 mini_profiler_enable_with_options (profile_options);
2004 mono_attach_parse_options (attach_options);
2006 if (trace_options != NULL){
2008 * Need to call this before mini_init () so we can trace methods
2009 * compiled there too.
2011 mono_jit_trace_calls = mono_trace_parse_options (trace_options);
2012 if (mono_jit_trace_calls == NULL)
2017 if (!mono_aot_only) {
2018 fprintf (stderr, "This runtime has been configured with --enable-minimal=jit, so the --full-aot command line option is required.\n");
2023 if (action == DO_DEBUGGER) {
2024 enable_debugging = TRUE;
2025 g_print ("The Mono Debugger is no longer supported.\n");
2027 } else if (enable_debugging)
2028 mono_debug_init (MONO_DEBUG_FORMAT_MONO);
2032 mono_load_coree (argv [i]);
2035 /* Parse gac loading options before loading assemblies. */
2036 if (mono_compile_aot || action == DO_EXEC || action == DO_DEBUGGER) {
2037 mono_config_parse (config_file);
2040 mono_set_defaults (mini_verbose, opt);
2041 #ifdef ENABLE_INTERPRETER
2042 mono_interp_init ();
2044 domain = mini_init (argv [i], forced_version);
2046 mono_gc_set_stack_end (&domain);
2051 for (i = 0; i < agents->len; ++i) {
2052 int res = load_agent (domain, (char*)g_ptr_array_index (agents, i));
2054 g_ptr_array_free (agents, TRUE);
2055 mini_cleanup (domain);
2060 g_ptr_array_free (agents, TRUE);
2064 case DO_SINGLE_METHOD_REGRESSION:
2065 mono_do_single_method_regression = TRUE;
2067 #ifdef ENABLE_INTERPRETER
2068 if (mono_use_interpreter) {
2069 if (interp_regression_list (2, argc -i, argv + i)) {
2070 g_print ("Regression ERRORS!\n");
2071 // mini_cleanup (domain);
2074 // mini_cleanup (domain);
2078 if (mini_regression_list (mini_verbose, argc -i, argv + i)) {
2079 g_print ("Regression ERRORS!\n");
2080 mini_cleanup (domain);
2083 mini_cleanup (domain);
2086 if (argc - i != 1 || mname == NULL) {
2087 g_print ("Usage: mini --ncompile num --compile method assembly\n");
2088 mini_cleanup (domain);
2094 if (argc - i != 1) {
2096 mini_cleanup (domain);
2102 if (argc - i != 1 || mname == NULL) {
2104 mini_cleanup (domain);
2110 #ifdef ENABLE_INTERPRETER
2111 if (mono_use_interpreter)
2112 g_error ("not yet");
2116 mini_cleanup (domain);
2123 #ifdef MONO_JIT_INFO_TABLE_TEST
2124 if (test_jit_info_table)
2125 jit_info_table_test (domain);
2128 assembly = mono_assembly_open (aname, &open_status);
2130 fprintf (stderr, "Cannot open assembly '%s': %s.\n", aname, mono_image_strerror (open_status));
2131 mini_cleanup (domain);
2135 if (trace_options != NULL)
2136 mono_trace_set_assembly (assembly);
2138 if (mono_compile_aot || action == DO_EXEC) {
2141 //mono_set_rootdir ();
2143 error = mono_check_corlib_version ();
2145 fprintf (stderr, "Corlib not in sync with this runtime: %s\n", error);
2146 fprintf (stderr, "Loaded from: %s\n",
2147 mono_defaults.corlib? mono_image_get_filename (mono_defaults.corlib): "unknown");
2148 fprintf (stderr, "Download a newer corlib or a newer runtime at http://www.mono-project.com/download.\n");
2152 #if defined(HOST_WIN32) && G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT)
2153 /* Detach console when executing IMAGE_SUBSYSTEM_WINDOWS_GUI on win32 */
2154 if (!enable_debugging && !mono_compile_aot && ((MonoCLIImageInfo*)(mono_assembly_get_image (assembly)->image_info))->cli_header.nt.pe_subsys_required == IMAGE_SUBSYSTEM_WINDOWS_GUI)
2158 main_args.domain = domain;
2159 main_args.file = aname;
2160 main_args.argc = argc - i;
2161 main_args.argv = argv + i;
2162 main_args.opts = opt;
2163 main_args.aot_options = aot_options;
2164 #if RUN_IN_SUBTHREAD
2165 mono_runtime_exec_managed_code (domain, main_thread_handler, &main_args);
2167 main_thread_handler (&main_args);
2168 mono_thread_manage ();
2171 mini_cleanup (domain);
2173 /* Look up return value from System.Environment.ExitCode */
2174 i = mono_environment_exitcode_get ();
2176 } else if (action == DO_COMPILE) {
2177 compile_all_methods (assembly, mini_verbose, opt, recompilation_times);
2178 mini_cleanup (domain);
2180 } else if (action == DO_DEBUGGER) {
2183 desc = mono_method_desc_new (mname, 0);
2185 g_print ("Invalid method name %s\n", mname);
2186 mini_cleanup (domain);
2189 method = mono_method_desc_search_in_image (desc, mono_assembly_get_image (assembly));
2191 g_print ("Cannot find method %s\n", mname);
2192 mini_cleanup (domain);
2197 if (action == DO_DRAW) {
2200 switch (mono_graph_options) {
2201 case MONO_GRAPH_DTREE:
2203 opt |= MONO_OPT_LOOP;
2205 case MONO_GRAPH_CFG_CODE:
2208 case MONO_GRAPH_CFG_SSA:
2211 case MONO_GRAPH_CFG_OPTCODE:
2218 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
2219 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
2221 nm = mono_marshal_get_native_wrapper (method, TRUE, FALSE);
2222 cfg = mini_method_compile (nm, opt, mono_get_root_domain (), (JitFlags)0, part, -1);
2225 cfg = mini_method_compile (method, opt, mono_get_root_domain (), (JitFlags)0, part, -1);
2226 if ((mono_graph_options & MONO_GRAPH_CFG_SSA) && !(cfg->comp_done & MONO_COMP_SSA)) {
2227 g_warning ("no SSA info available (use -O=deadce)");
2230 mono_draw_graph (cfg, mono_graph_options);
2231 mono_destroy_compile (cfg);
2233 } else if (action == DO_BENCH) {
2234 if (mini_stats_fd) {
2236 double no_opt_time = 0.0;
2237 GTimer *timer = g_timer_new ();
2238 fprintf (mini_stats_fd, "$stattitle = \'Compilations times for %s\';\n",
2239 mono_method_full_name (method, TRUE));
2240 fprintf (mini_stats_fd, "@data = (\n");
2241 fprintf (mini_stats_fd, "[");
2242 for (i = 0; i < G_N_ELEMENTS (opt_sets); i++) {
2244 n = mono_opt_descr (opt);
2247 fprintf (mini_stats_fd, "\"%s\",", n);
2249 fprintf (mini_stats_fd, "],\n[");
2251 for (i = 0; i < G_N_ELEMENTS (opt_sets); i++) {
2255 g_timer_start (timer);
2256 for (j = 0; j < count; ++j) {
2257 cfg = mini_method_compile (method, opt, mono_get_root_domain (), (JitFlags)0, 0, -1);
2258 mono_destroy_compile (cfg);
2260 g_timer_stop (timer);
2261 elapsed = g_timer_elapsed (timer, NULL);
2263 no_opt_time = elapsed;
2264 fprintf (mini_stats_fd, "%f, ", elapsed);
2266 fprintf (mini_stats_fd, "]");
2267 if (no_opt_time > 0.0) {
2268 fprintf (mini_stats_fd, ", \n[");
2269 for (i = 0; i < G_N_ELEMENTS (opt_sets); i++)
2270 fprintf (mini_stats_fd, "%f,", no_opt_time);
2271 fprintf (mini_stats_fd, "]");
2273 fprintf (mini_stats_fd, ");\n");
2275 for (i = 0; i < count; ++i) {
2276 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
2277 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
2278 method = mono_marshal_get_native_wrapper (method, TRUE, FALSE);
2280 cfg = mini_method_compile (method, opt, mono_get_root_domain (), (JitFlags)0, 0, -1);
2281 mono_destroy_compile (cfg);
2285 cfg = mini_method_compile (method, opt, mono_get_root_domain (), (JitFlags)0, 0, -1);
2286 mono_destroy_compile (cfg);
2290 mini_cleanup (domain);
2295 mono_jit_init (const char *file)
2297 return mini_init (file, NULL);
2301 * mono_jit_init_version:
2302 * @domain_name: the name of the root domain
2303 * @runtime_version: the version of the runtime to load
2305 * Use this version when you want to force a particular runtime
2306 * version to be used. By default Mono will pick the runtime that is
2307 * referenced by the initial assembly (specified in @file), this
2308 * routine allows programmers to specify the actual runtime to be used
2309 * as the initial runtime is inherited by all future assemblies loaded
2310 * (since Mono does not support having more than one mscorlib runtime
2313 * The @runtime_version can be one of these strings: "v4.0.30319" for
2314 * desktop, "mobile" for mobile or "moonlight" for Silverlight compat.
2315 * If an unrecognized string is input, the vm will default to desktop.
2317 * Returns: the MonoDomain representing the domain where the assembly
2321 mono_jit_init_version (const char *domain_name, const char *runtime_version)
2323 return mini_init (domain_name, runtime_version);
2327 mono_jit_cleanup (MonoDomain *domain)
2329 mono_thread_manage ();
2331 mini_cleanup (domain);
2335 mono_jit_set_aot_only (gboolean val)
2337 mono_aot_only = val;
2341 mono_jit_set_aot_mode (MonoAotMode mode)
2343 /* we don't want to set mono_aot_mode twice */
2344 g_assert (mono_aot_mode == MONO_AOT_MODE_NONE);
2345 mono_aot_mode = mode;
2347 if (mono_aot_mode == MONO_AOT_MODE_LLVMONLY) {
2348 mono_aot_only = TRUE;
2349 mono_llvm_only = TRUE;
2351 if (mono_aot_mode == MONO_AOT_MODE_FULL) {
2352 mono_aot_only = TRUE;
2354 if (mono_aot_mode == MONO_AOT_MODE_HYBRID) {
2355 mono_set_generic_sharing_vt_supported (TRUE);
2356 mono_set_partial_sharing_supported (TRUE);
2361 * mono_jit_set_trace_options:
2362 * @options: string representing the trace options
2364 * Set the options of the tracing engine. This function can be called before initializing
2365 * the mono runtime. See the --trace mono(1) manpage for the options format.
2367 * Returns: #TRUE if the options where parsed and set correctly, #FALSE otherwise.
2370 mono_jit_set_trace_options (const char* options)
2372 MonoTraceSpec *trace_opt = mono_trace_parse_options (options);
2373 if (trace_opt == NULL)
2375 mono_jit_trace_calls = trace_opt;
2380 * mono_set_signal_chaining:
2382 * Enable/disable signal chaining. This should be called before mono_jit_init ().
2383 * If signal chaining is enabled, the runtime saves the original signal handlers before
2384 * installing its own handlers, and calls the original ones in the following cases:
2385 * - a SIGSEGV/SIGABRT signal received while executing native (i.e. not JITted) code.
2390 * Signal chaining only works on POSIX platforms.
2393 mono_set_signal_chaining (gboolean chain_signals)
2395 mono_do_signal_chaining = chain_signals;
2399 * mono_set_crash_chaining:
2401 * Enable/disable crash chaining due to signals. When a fatal signal is delivered and
2402 * Mono doesn't know how to handle it, it will invoke the crash handler. If chrash chaining
2403 * is enabled, it will first print its crash information and then try to chain with the native handler.
2406 mono_set_crash_chaining (gboolean chain_crashes)
2408 mono_do_crash_chaining = chain_crashes;
2412 * mono_parse_options_from:
2413 * @options: string containing strings
2414 * @ref_argc: pointer to the argc variable that might be updated
2415 * @ref_argv: pointer to the argv string vector variable that might be updated
2417 * This function parses the contents of the `MONO_ENV_OPTIONS`
2418 * environment variable as if they were parsed by a command shell
2419 * splitting the contents by spaces into different elements of the
2420 * @argv vector. This method supports quoting with both the " and '
2421 * characters. Inside quoting, spaces and tabs are significant,
2422 * otherwise, they are considered argument separators.
2424 * The \ character can be used to escape the next character which will
2425 * be added to the current element verbatim. Typically this is used
2426 * inside quotes. If the quotes are not balanced, this method
2428 * If the environment variable is empty, no changes are made
2429 * to the values pointed by @ref_argc and @ref_argv.
2431 * Otherwise the @ref_argv is modified to point to a new array that contains
2432 * all the previous elements contained in the vector, plus the values parsed.
2433 * The @argc is updated to match the new number of parameters.
2435 * Returns: The value NULL is returned on success, otherwise a g_strdup allocated
2436 * string is returned (this is an alias to malloc under normal circumstances) that
2437 * contains the error message that happened during parsing.
2440 mono_parse_options_from (const char *options, int *ref_argc, char **ref_argv [])
2442 int argc = *ref_argc;
2443 char **argv = *ref_argv;
2444 GPtrArray *array = g_ptr_array_new ();
2445 GString *buffer = g_string_new ("");
2448 gboolean in_quotes = FALSE;
2449 char quote_char = '\0';
2451 if (options == NULL)
2454 for (p = options; *p; p++){
2456 case ' ': case '\t':
2458 if (buffer->len != 0){
2459 g_ptr_array_add (array, g_strdup (buffer->str));
2460 g_string_truncate (buffer, 0);
2463 g_string_append_c (buffer, *p);
2468 g_string_append_c (buffer, p [1]);
2475 if (quote_char == *p)
2478 g_string_append_c (buffer, *p);
2485 g_string_append_c (buffer, *p);
2490 return g_strdup_printf ("Unmatched quotes in value: [%s]\n", options);
2492 if (buffer->len != 0)
2493 g_ptr_array_add (array, g_strdup (buffer->str));
2494 g_string_free (buffer, TRUE);
2496 if (array->len > 0){
2497 int new_argc = array->len + argc;
2498 char **new_argv = g_new (char *, new_argc + 1);
2501 new_argv [0] = argv [0];
2503 /* First the environment variable settings, to allow the command line options to override */
2504 for (i = 0; i < array->len; i++)
2505 new_argv [i+1] = (char *)g_ptr_array_index (array, i);
2507 for (j = 1; j < argc; j++)
2508 new_argv [i++] = argv [j];
2509 new_argv [i] = NULL;
2511 *ref_argc = new_argc;
2512 *ref_argv = new_argv;
2514 g_ptr_array_free (array, TRUE);
2519 * mono_parse_env_options:
2520 * @ref_argc: pointer to the argc variable that might be updated
2521 * @ref_argv: pointer to the argv string vector variable that might be updated
2523 * This function parses the contents of the `MONO_ENV_OPTIONS`
2524 * environment variable as if they were parsed by a command shell
2525 * splitting the contents by spaces into different elements of the
2526 * @argv vector. This method supports quoting with both the " and '
2527 * characters. Inside quoting, spaces and tabs are significant,
2528 * otherwise, they are considered argument separators.
2530 * The \ character can be used to escape the next character which will
2531 * be added to the current element verbatim. Typically this is used
2532 * inside quotes. If the quotes are not balanced, this method
2534 * If the environment variable is empty, no changes are made
2535 * to the values pointed by @ref_argc and @ref_argv.
2537 * Otherwise the @ref_argv is modified to point to a new array that contains
2538 * all the previous elements contained in the vector, plus the values parsed.
2539 * The @argc is updated to match the new number of parameters.
2541 * If there is an error parsing, this method will terminate the process by
2544 * An alternative to this method that allows an arbitrary string to be parsed
2545 * and does not exit on error is the `api:mono_parse_options_from`.
2548 mono_parse_env_options (int *ref_argc, char **ref_argv [])
2552 const char *env_options = g_getenv ("MONO_ENV_OPTIONS");
2553 if (env_options == NULL)
2555 ret = mono_parse_options_from (env_options, ref_argc, ref_argv);
2558 fprintf (stderr, "%s", ret);