3 * The new mono JIT compiler.
6 * Paolo Molaro (lupus@ximian.com)
7 * Dietmar Maurer (dietmar@ximian.com)
9 * (C) 2002-2003 Ximian, Inc.
10 * (C) 2003-2006 Novell, Inc.
11 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
18 #if HAVE_SCHED_SETAFFINITY
25 #include <mono/metadata/assembly-internals.h>
26 #include <mono/metadata/loader.h>
27 #include <mono/metadata/tabledefs.h>
28 #include <mono/metadata/class.h>
29 #include <mono/metadata/object.h>
30 #include <mono/metadata/exception.h>
31 #include <mono/metadata/opcodes.h>
32 #include <mono/metadata/mono-endian.h>
33 #include <mono/metadata/tokentype.h>
34 #include <mono/metadata/tabledefs.h>
35 #include <mono/metadata/threads.h>
36 #include <mono/metadata/marshal.h>
37 #include <mono/metadata/appdomain.h>
38 #include <mono/metadata/debug-helpers.h>
39 #include "mono/metadata/profiler.h"
40 #include <mono/metadata/profiler-private.h>
41 #include <mono/metadata/mono-config.h>
42 #include <mono/metadata/environment.h>
43 #include <mono/metadata/verify.h>
44 #include <mono/metadata/verify-internals.h>
45 #include <mono/metadata/mono-debug.h>
46 #include <mono/metadata/security-manager.h>
47 #include <mono/metadata/security-core-clr.h>
48 #include <mono/metadata/gc-internals.h>
49 #include <mono/metadata/coree.h>
50 #include <mono/metadata/attach.h>
51 #include <mono/metadata/w32process.h>
52 #include "mono/utils/mono-counters.h"
53 #include "mono/utils/mono-hwcap.h"
54 #include "mono/utils/mono-logger-internals.h"
55 #include "mono/metadata/w32handle.h"
59 #include "aot-compiler.h"
60 #include "interp/interp.h"
66 #include "debugger-agent.h"
68 # include <sys/resource.h>
71 static FILE *mini_stats_fd;
73 static void mini_usage (void);
76 /* Need this to determine whether to detach console */
77 #include <mono/metadata/cil-coff.h>
78 /* This turns off command line globbing under win32 */
82 typedef void (*OptFunc) (const char *p);
85 #ifdef HAVE_ARRAY_ELEM_INIT
86 #define MSGSTRFIELD(line) MSGSTRFIELD1(line)
87 #define MSGSTRFIELD1(line) str##line
89 static const struct msgstr_t {
90 #define OPTFLAG(id,shift,name,desc) char MSGSTRFIELD(__LINE__) [sizeof (name) + sizeof (desc)];
91 #include "optflags-def.h"
94 #define OPTFLAG(id,shift,name,desc) name "\0" desc,
95 #include "optflags-def.h"
98 static const gint16 opt_names [] = {
99 #define OPTFLAG(id,shift,name,desc) [(shift)] = offsetof (struct msgstr_t, MSGSTRFIELD(__LINE__)),
100 #include "optflags-def.h"
104 #define optflag_get_name(id) ((const char*)&opstr + opt_names [(id)])
105 #define optflag_get_desc(id) (optflag_get_name(id) + 1 + strlen (optflag_get_name(id)))
107 #else /* !HAVE_ARRAY_ELEM_INIT */
113 #define OPTFLAG(id,shift,name,desc) {name,desc},
116 #include "optflags-def.h"
119 #define optflag_get_name(id) (opt_names [(id)].name)
120 #define optflag_get_desc(id) (opt_names [(id)].desc)
124 #ifdef __native_client__
125 extern char *nacl_mono_path;
128 #define DEFAULT_OPTIMIZATIONS ( \
129 MONO_OPT_PEEPHOLE | \
132 MONO_OPT_CONSPROP | \
133 MONO_OPT_COPYPROP | \
139 MONO_OPT_EXCEPTION | \
143 MONO_OPT_ALIAS_ANALYSIS | \
146 #define EXCLUDED_FROM_ALL (MONO_OPT_SHARED | MONO_OPT_PRECOMP | MONO_OPT_UNSAFE | MONO_OPT_GSHAREDVT | MONO_OPT_FLOAT32)
149 parse_optimizations (guint32 opt, const char* p, gboolean cpu_opts)
156 /* Initialize the hwcap module if necessary. */
159 /* call out to cpu detection code here that sets the defaults ... */
161 opt |= mono_arch_cpu_optimizations (&exclude);
167 parts = g_strsplit (p, ",", -1);
168 for (ptr = parts; ptr && *ptr; ptr ++) {
178 for (i = 0; i < G_N_ELEMENTS (opt_names) && optflag_get_name (i); ++i) {
179 n = optflag_get_name (i);
180 if (!strcmp (p, n)) {
188 if (i == G_N_ELEMENTS (opt_names) || !optflag_get_name (i)) {
189 if (strncmp (p, "all", 3) == 0) {
193 opt = ~(EXCLUDED_FROM_ALL | exclude);
195 fprintf (stderr, "Invalid optimization name `%s'\n", p);
208 parse_debug_options (const char* p)
210 MonoDebugOptions *opt = mini_get_debug_options ();
214 fprintf (stderr, "Syntax error; expected debug option name\n");
218 if (!strncmp (p, "casts", 5)) {
219 opt->better_cast_details = TRUE;
221 } else if (!strncmp (p, "mdb-optimizations", 17)) {
222 opt->mdb_optimizations = TRUE;
224 } else if (!strncmp (p, "gdb", 3)) {
228 fprintf (stderr, "Invalid debug option `%s', use --help-debug for details\n", p);
235 fprintf (stderr, "Syntax error; expected debug option name\n");
246 const char desc [18];
247 MonoGraphOptions value;
250 static const GraphName
252 {"cfg", "Control Flow", MONO_GRAPH_CFG},
253 {"dtree", "Dominator Tree", MONO_GRAPH_DTREE},
254 {"code", "CFG showing code", MONO_GRAPH_CFG_CODE},
255 {"ssa", "CFG after SSA", MONO_GRAPH_CFG_SSA},
256 {"optc", "CFG after IR opts", MONO_GRAPH_CFG_OPTCODE}
259 static MonoGraphOptions
260 mono_parse_graph_options (const char* p)
265 for (i = 0; i < G_N_ELEMENTS (graph_names); ++i) {
266 n = graph_names [i].name;
268 if (strncmp (p, n, len) == 0)
269 return graph_names [i].value;
272 fprintf (stderr, "Invalid graph name provided: %s\n", p);
277 * mono_parse_default_optimizations:
280 mono_parse_default_optimizations (const char* p)
284 opt = parse_optimizations (DEFAULT_OPTIMIZATIONS, p, TRUE);
289 mono_opt_descr (guint32 flags) {
290 GString *str = g_string_new ("");
294 for (i = 0; i < G_N_ELEMENTS (opt_names); ++i) {
295 if (flags & (1 << i) && optflag_get_name (i)) {
297 g_string_append_c (str, ',');
298 g_string_append (str, optflag_get_name (i));
302 return g_string_free (str, FALSE);
312 MONO_OPT_ALIAS_ANALYSIS,
313 #ifdef MONO_ARCH_SIMD_INTRINSICS
316 MONO_OPT_SIMD | MONO_OPT_SSE2,
318 MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_INTRINS,
319 MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_INTRINS | MONO_OPT_ALIAS_ANALYSIS,
320 MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS,
321 MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS | MONO_OPT_COPYPROP,
322 MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS | MONO_OPT_CFOLD,
323 MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP | MONO_OPT_DEADCE,
324 MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP | MONO_OPT_DEADCE | MONO_OPT_ALIAS_ANALYSIS,
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,
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_TAILC,
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_SSA,
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_EXCEPTION,
329 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,
330 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,
331 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,
332 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,
333 DEFAULT_OPTIMIZATIONS,
336 typedef int (*TestMethod) (void);
340 domain_dump_native_code (MonoDomain *domain) {
341 // need to poke into the domain, move to metadata/domain.c
342 // need to empty jit_info_table and code_mp
347 mini_regression_step (MonoImage *image, int verbose, int *total_run, int *total,
349 GTimer *timer, MonoDomain *domain)
351 int result, expected, failed, cfailed, run, code_size;
353 double elapsed, comp_time, start_time;
357 mono_set_defaults (verbose, opt_flags);
358 n = mono_opt_descr (opt_flags);
359 g_print ("Test run: image=%s, opts=%s\n", mono_image_get_filename (image), n);
361 cfailed = failed = run = code_size = 0;
362 comp_time = elapsed = 0.0;
364 /* fixme: ugly hack - delete all previously compiled methods */
365 if (domain_jit_info (domain)) {
366 g_hash_table_destroy (domain_jit_info (domain)->jit_trampoline_hash);
367 domain_jit_info (domain)->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
368 mono_internal_hash_table_destroy (&(domain->jit_code_hash));
369 mono_jit_code_hash_init (&(domain->jit_code_hash));
372 g_timer_start (timer);
374 fprintf (mini_stats_fd, "[");
375 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
377 MonoMethod *method = mono_get_method_checked (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL, NULL, &error);
379 mono_error_cleanup (&error); /* FIXME don't swallow the error */
382 if (strncmp (method->name, "test_", 5) == 0) {
385 expected = atoi (method->name + 5);
387 start_time = g_timer_elapsed (timer, NULL);
388 comp_time -= start_time;
389 cfg = mini_method_compile (method, mono_get_optimizations_for_method (method, opt_flags), mono_get_root_domain (), JIT_FLAG_RUN_CCTORS, 0, -1);
390 comp_time += g_timer_elapsed (timer, NULL);
391 if (cfg->exception_type == MONO_EXCEPTION_NONE) {
393 g_print ("Running '%s' ...\n", method->name);
394 #ifdef MONO_USE_AOT_COMPILER
396 func = (TestMethod)mono_aot_get_method_checked (mono_get_root_domain (), method, &error);
397 mono_error_cleanup (&error);
399 func = (TestMethod)(gpointer)cfg->native_code;
401 func = (TestMethod)(gpointer)cfg->native_code;
403 func = (TestMethod)mono_create_ftnptr (mono_get_root_domain (), func);
405 if (result != expected) {
407 g_print ("Test '%s' failed result (got %d, expected %d).\n", method->name, result, expected);
409 code_size += cfg->code_len;
410 mono_destroy_compile (cfg);
414 g_print ("Test '%s' failed compilation.\n", method->name);
417 fprintf (mini_stats_fd, "%f, ",
418 g_timer_elapsed (timer, NULL) - start_time);
422 fprintf (mini_stats_fd, "],\n");
423 g_timer_stop (timer);
424 elapsed = g_timer_elapsed (timer, NULL);
425 if (failed > 0 || cfailed > 0){
426 g_print ("Results: total tests: %d, failed: %d, cfailed: %d (pass: %.2f%%)\n",
427 run, failed, cfailed, 100.0*(run-failed-cfailed)/run);
429 g_print ("Results: total tests: %d, all pass \n", run);
432 g_print ("Elapsed time: %f secs (%f, %f), Code size: %d\n\n", elapsed,
433 elapsed - comp_time, comp_time, code_size);
434 *total += failed + cfailed;
439 mini_regression (MonoImage *image, int verbose, int *total_run)
444 GTimer *timer = g_timer_new ();
445 MonoDomain *domain = mono_domain_get ();
449 /* Note: mono_hwcap_init () called in mono_init () before we get here. */
450 mono_arch_cpu_optimizations (&exclude);
453 fprintf (mini_stats_fd, "$stattitle = \'Mono Benchmark Results (various optimizations)\';\n");
455 fprintf (mini_stats_fd, "$graph->set_legend(qw(");
456 for (opt = 0; opt < G_N_ELEMENTS (opt_sets); opt++) {
457 guint32 opt_flags = opt_sets [opt];
458 n = mono_opt_descr (opt_flags);
462 fprintf (mini_stats_fd, " ");
463 fprintf (mini_stats_fd, "%s", n);
467 fprintf (mini_stats_fd, "));\n");
469 fprintf (mini_stats_fd, "@data = (\n");
470 fprintf (mini_stats_fd, "[");
473 /* load the metadata */
474 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
476 method = mono_get_method_checked (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL, NULL, &error);
478 mono_error_cleanup (&error);
481 mono_class_init (method->klass);
483 if (!strncmp (method->name, "test_", 5) && mini_stats_fd) {
484 fprintf (mini_stats_fd, "\"%s\",", method->name);
488 fprintf (mini_stats_fd, "],\n");
493 if (mono_do_single_method_regression) {
496 mini_regression_step (image, verbose, total_run, &total,
501 g_print ("Single method regression: %d methods\n", g_slist_length (mono_single_method_list));
503 for (iter = mono_single_method_list; iter; iter = g_slist_next (iter)) {
506 mono_current_single_method = (MonoMethod *)iter->data;
508 method_name = mono_method_full_name (mono_current_single_method, TRUE);
509 g_print ("Current single method: %s\n", method_name);
510 g_free (method_name);
512 mini_regression_step (image, verbose, total_run, &total,
519 for (opt = 0; opt < G_N_ELEMENTS (opt_sets); ++opt) {
520 mini_regression_step (image, verbose, total_run, &total,
521 opt_sets [opt] & ~exclude,
527 fprintf (mini_stats_fd, ");\n");
528 fflush (mini_stats_fd);
531 g_timer_destroy (timer);
536 mini_regression_list (int verbose, int count, char *images [])
538 int i, total, total_run, run;
541 total_run = total = 0;
542 for (i = 0; i < count; ++i) {
543 ass = mono_assembly_open_predicate (images [i], FALSE, FALSE, NULL, NULL, NULL);
545 g_warning ("failed to load assembly: %s", images [i]);
548 total += mini_regression (mono_assembly_get_image (ass), verbose, &run);
552 g_print ("Overall results: tests: %d, failed: %d, opt combinations: %d (pass: %.2f%%)\n",
553 total_run, total, (int)G_N_ELEMENTS (opt_sets), 100.0*(total_run-total)/total_run);
555 g_print ("Overall results: tests: %d, 100%% pass, opt combinations: %d\n",
556 total_run, (int)G_N_ELEMENTS (opt_sets));
562 #ifdef MONO_JIT_INFO_TABLE_TEST
563 typedef struct _JitInfoData
568 struct _JitInfoData *next;
588 static int num_threads;
589 static ThreadData *thread_datas;
590 static MonoDomain *test_domain;
593 alloc_random_data (Region *region)
606 data = ®ion->data;
607 pos = random () % (region->num_datas + 1);
609 while (*data != NULL) {
613 data = &(*data)->next;
617 g_assert (*data == region->data);
619 g_assert (prev->next == *data);
622 prev_end = region->start;
624 prev_end = prev->start + prev->length;
627 next_start = region->start + region->length;
629 next_start = (*data)->start;
631 g_assert (prev_end <= next_start);
633 max_len = next_start - prev_end;
635 if (++num_retries >= 10)
642 d = g_new0 (JitInfoData, 1);
643 d->start = prev_end + random () % (max_len / 2);
644 d->length = random () % MIN (max_len, next_start - d->start) + 1;
646 g_assert (d->start >= prev_end && d->start + d->length <= next_start);
648 d->ji = g_new0 (MonoJitInfo, 1);
649 d->ji->d.method = (MonoMethod*) 0xABadBabe;
650 d->ji->code_start = (gpointer)(gulong) d->start;
651 d->ji->code_size = d->length;
652 d->ji->cas_inited = 1; /* marks an allocated jit info */
663 choose_random_data (Region *region)
669 g_assert (region->num_datas > 0);
671 n = random () % region->num_datas;
673 for (d = ®ion->data, i = 0;
675 d = &(*d)->next, ++i)
682 choose_random_region (ThreadData *td)
684 return &td->regions [random () % td->num_regions];
688 choose_random_thread (void)
690 return &thread_datas [random () % num_threads];
694 free_jit_info_data (ThreadData *td, JitInfoData *free)
696 free->next = td->frees;
699 if (++td->num_frees >= 1000) {
702 for (i = 0; i < 500; ++i)
705 while (free->next != NULL) {
706 JitInfoData *next = free->next->next;
708 //g_free (free->next->ji);
717 #define NUM_THREADS 8
718 #define REGIONS_PER_THREAD 10
719 #define REGION_SIZE 0x10000
721 #define MAX_ADDR (REGION_SIZE * REGIONS_PER_THREAD * NUM_THREADS)
727 test_thread_func (ThreadData *td)
729 int mode = MODE_ALLOC;
731 gulong lookup_successes = 0, lookup_failures = 0;
732 MonoDomain *domain = test_domain;
733 int thread_num = (int)(td - thread_datas);
734 gboolean modify_thread = thread_num < NUM_THREADS / 2; /* only half of the threads modify the table */
740 if (td->num_datas == 0) {
743 } else if (modify_thread && random () % 1000 < 5) {
745 if (mode == MODE_ALLOC)
746 alloc = (random () % 100) < 70;
747 else if (mode == MODE_FREE)
748 alloc = (random () % 100) < 30;
752 /* modify threads sometimes look up their own jit infos */
753 if (modify_thread && random () % 10 < 5) {
754 Region *region = choose_random_region (td);
756 if (region->num_datas > 0) {
757 JitInfoData **data = choose_random_data (region);
758 guint pos = (*data)->start + random () % (*data)->length;
761 ji = mono_jit_info_table_find (domain, (char*)(gulong) pos);
763 g_assert (ji->cas_inited);
764 g_assert ((*data)->ji == ji);
767 int pos = random () % MAX_ADDR;
768 char *addr = (char*)(gulong) pos;
771 ji = mono_jit_info_table_find (domain, addr);
774 * FIXME: We are actually not allowed
775 * to do this. By the time we examine
776 * the ji another thread might already
780 g_assert (addr >= (char*)ji->code_start && addr < (char*)ji->code_start + ji->code_size);
786 JitInfoData *data = alloc_random_data (choose_random_region (td));
789 mono_jit_info_table_add (domain, data->ji);
794 Region *region = choose_random_region (td);
796 if (region->num_datas > 0) {
797 JitInfoData **data = choose_random_data (region);
800 mono_jit_info_table_remove (domain, (*data)->ji);
802 //(*data)->ji->cas_inited = 0; /* marks a free jit info */
805 *data = (*data)->next;
807 free_jit_info_data (td, free);
814 if (++i % 100000 == 0) {
816 g_print ("num datas %d (%ld - %ld): %d", (int)(td - thread_datas),
817 lookup_successes, lookup_failures, td->num_datas);
818 for (j = 0; j < td->num_regions; ++j)
819 g_print (" %d", td->regions [j].num_datas);
823 if (td->num_datas < 100)
825 else if (td->num_datas > 2000)
832 small_id_thread_func (gpointer arg)
834 MonoThread *thread = mono_thread_current ();
835 MonoThreadHazardPointers *hp = mono_hazard_pointer_get ();
837 g_print ("my small id is %d\n", (int)thread->small_id);
838 mono_hazard_pointer_clear (hp, 1);
840 g_print ("done %d\n", (int)thread->small_id);
845 jit_info_table_test (MonoDomain *domain)
850 g_print ("testing jit_info_table\n");
852 num_threads = NUM_THREADS;
853 thread_datas = g_new0 (ThreadData, num_threads);
855 for (i = 0; i < num_threads; ++i) {
858 thread_datas [i].num_regions = REGIONS_PER_THREAD;
859 thread_datas [i].regions = g_new0 (Region, REGIONS_PER_THREAD);
861 for (j = 0; j < REGIONS_PER_THREAD; ++j) {
862 thread_datas [i].regions [j].start = (num_threads * j + i) * REGION_SIZE;
863 thread_datas [i].regions [j].length = REGION_SIZE;
867 test_domain = domain;
870 for (i = 0; i < 72; ++i)
871 mono_thread_create (domain, small_id_thread_func, NULL);
876 for (i = 0; i < num_threads; ++i) {
877 mono_thread_create_checked (domain, test_thread_func, &thread_datas [i], &error);
878 mono_error_assert_ok (&error);
886 DO_SINGLE_METHOD_REGRESSION,
893 typedef struct CompileAllThreadArgs {
897 guint32 recompilation_times;
898 } CompileAllThreadArgs;
901 compile_all_methods_thread_main_inner (CompileAllThreadArgs *args)
903 MonoAssembly *ass = args->ass;
904 int verbose = args->verbose;
905 MonoImage *image = mono_assembly_get_image (ass);
908 int i, count = 0, fail_count = 0;
910 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
912 guint32 token = MONO_TOKEN_METHOD_DEF | (i + 1);
913 MonoMethodSignature *sig;
915 if (mono_metadata_has_generic_params (image, token))
918 method = mono_get_method_checked (image, token, NULL, NULL, &error);
920 mono_error_cleanup (&error); /* FIXME don't swallow the error */
923 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
924 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
925 (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) ||
926 (method->flags & METHOD_ATTRIBUTE_ABSTRACT))
929 if (mono_class_is_gtd (method->klass))
931 sig = mono_method_signature (method);
933 char * desc = mono_method_full_name (method, TRUE);
934 g_print ("Could not retrieve method signature for %s\n", desc);
940 if (sig->has_type_parameters)
945 char * desc = mono_method_full_name (method, TRUE);
946 g_print ("Compiling %d %s\n", count, desc);
949 cfg = mini_method_compile (method, mono_get_optimizations_for_method (method, args->opts), mono_get_root_domain (), (JitFlags)JIT_FLAG_DISCARD_RESULTS, 0, -1);
950 if (cfg->exception_type != MONO_EXCEPTION_NONE) {
951 printf ("Compilation of %s failed with exception '%s':\n", mono_method_full_name (cfg->method, TRUE), cfg->exception_message);
954 mono_destroy_compile (cfg);
962 compile_all_methods_thread_main (CompileAllThreadArgs *args)
965 for (i = 0; i < args->recompilation_times; ++i)
966 compile_all_methods_thread_main_inner (args);
970 compile_all_methods (MonoAssembly *ass, int verbose, guint32 opts, guint32 recompilation_times)
973 CompileAllThreadArgs args;
976 args.verbose = verbose;
978 args.recompilation_times = recompilation_times;
981 * Need to create a mono thread since compilation might trigger
982 * running of managed code.
984 mono_thread_create_checked (mono_domain_get (), compile_all_methods_thread_main, &args, &error);
985 mono_error_assert_ok (&error);
987 mono_thread_manage ();
992 * \param assembly reference to an assembly
993 * \param argc argument count
994 * \param argv argument vector
995 * Start execution of a program.
998 mono_jit_exec (MonoDomain *domain, MonoAssembly *assembly, int argc, char *argv[])
1001 MonoImage *image = mono_assembly_get_image (assembly);
1003 guint32 entry = mono_image_get_entry_point (image);
1006 g_print ("Assembly '%s' doesn't have an entry point.\n", mono_image_get_filename (image));
1007 /* FIXME: remove this silly requirement. */
1008 mono_environment_exitcode_set (1);
1012 method = mono_get_method_checked (image, entry, NULL, NULL, &error);
1013 if (method == NULL){
1014 g_print ("The entry point method could not be loaded due to %s\n", mono_error_get_message (&error));
1015 mono_error_cleanup (&error);
1016 mono_environment_exitcode_set (1);
1020 if (mono_llvm_only) {
1021 MonoObject *exc = NULL;
1024 res = mono_runtime_try_run_main (method, argc, argv, &exc);
1026 mono_unhandled_exception (exc);
1027 mono_invoke_unhandled_exception_hook (exc);
1028 g_assert_not_reached ();
1032 int res = mono_runtime_run_main_checked (method, argc, argv, &error);
1033 if (!is_ok (&error)) {
1034 MonoException *ex = mono_error_convert_to_exception (&error);
1036 mono_unhandled_exception (&ex->object);
1037 mono_invoke_unhandled_exception_hook (&ex->object);
1038 g_assert_not_reached ();
1055 static void main_thread_handler (gpointer user_data)
1057 MainThreadArgs *main_args = (MainThreadArgs *)user_data;
1058 MonoAssembly *assembly;
1060 if (mono_compile_aot) {
1063 /* Treat the other arguments as assemblies to compile too */
1064 for (i = 0; i < main_args->argc; ++i) {
1065 assembly = mono_domain_assembly_open (main_args->domain, main_args->argv [i]);
1067 fprintf (stderr, "Can not open image %s\n", main_args->argv [i]);
1070 /* Check that the assembly loaded matches the filename */
1072 MonoImageOpenStatus status;
1075 img = mono_image_open (main_args->argv [i], &status);
1076 if (img && strcmp (img->name, assembly->image->name)) {
1077 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);
1081 res = mono_compile_assembly (assembly, main_args->opts, main_args->aot_options);
1083 fprintf (stderr, "AOT of image %s failed.\n", main_args->argv [i]);
1088 assembly = mono_domain_assembly_open (main_args->domain, main_args->file);
1090 fprintf (stderr, "Can not open image %s\n", main_args->file);
1095 * This must be done in a thread managed by mono since it can invoke
1098 if (main_args->opts & MONO_OPT_PRECOMP)
1099 mono_precompile_assemblies ();
1101 mono_jit_exec (main_args->domain, assembly, main_args->argc, main_args->argv);
1106 load_agent (MonoDomain *domain, char *desc)
1109 char* col = strchr (desc, ':');
1111 MonoAssembly *agent_assembly;
1115 MonoArray *main_args;
1117 MonoImageOpenStatus open_status;
1120 agent = (char *)g_memdup (desc, col - desc + 1);
1121 agent [col - desc] = '\0';
1124 agent = g_strdup (desc);
1128 agent_assembly = mono_assembly_open_predicate (agent, FALSE, FALSE, NULL, NULL, &open_status);
1129 if (!agent_assembly) {
1130 fprintf (stderr, "Cannot open agent assembly '%s': %s.\n", agent, mono_image_strerror (open_status));
1136 * Can't use mono_jit_exec (), as it sets things which might confuse the
1139 image = mono_assembly_get_image (agent_assembly);
1140 entry = mono_image_get_entry_point (image);
1142 g_print ("Assembly '%s' doesn't have an entry point.\n", mono_image_get_filename (image));
1147 method = mono_get_method_checked (image, entry, NULL, NULL, &error);
1148 if (method == NULL){
1149 g_print ("The entry point method of assembly '%s' could not be loaded due to %s\n", agent, mono_error_get_message (&error));
1150 mono_error_cleanup (&error);
1155 mono_thread_set_main (mono_thread_current ());
1158 main_args = (MonoArray*)mono_array_new_checked (domain, mono_defaults.string_class, 1, &error);
1160 mono_array_set (main_args, MonoString*, 0, mono_string_new (domain, args));
1162 main_args = (MonoArray*)mono_array_new_checked (domain, mono_defaults.string_class, 0, &error);
1165 g_print ("Could not allocate array for main args of assembly '%s' due to %s\n", agent, mono_error_get_message (&error));
1166 mono_error_cleanup (&error);
1173 /* Pass NULL as 'exc' so unhandled exceptions abort the runtime */
1174 mono_runtime_invoke_checked (method, NULL, pa, &error);
1175 if (!is_ok (&error)) {
1176 g_print ("The entry point method of assembly '%s' could not execute due to %s\n", agent, mono_error_get_message (&error));
1177 mono_error_cleanup (&error);
1187 mini_usage_jitdeveloper (void)
1192 "Runtime and JIT debugging options:\n"
1193 " --breakonex Inserts a breakpoint on exceptions\n"
1194 " --break METHOD Inserts a breakpoint at METHOD entry\n"
1195 " --break-at-bb METHOD N Inserts a breakpoint in METHOD at BB N\n"
1196 " --compile METHOD Just compile METHOD in assembly\n"
1197 " --compile-all=N Compiles all the methods in the assembly multiple times (default: 1)\n"
1198 " --ncompile N Number of times to compile METHOD (default: 1)\n"
1199 " --print-vtable Print the vtable of all used classes\n"
1200 " --regression Runs the regression test contained in the assembly\n"
1201 " --single-method=OPTS Runs regressions with only one method optimized with OPTS at any time\n"
1202 " --statfile FILE Sets the stat file to FILE\n"
1203 " --stats Print statistics about the JIT operations\n"
1204 " --inject-async-exc METHOD OFFSET Inject an asynchronous exception at METHOD\n"
1205 " --verify-all Run the verifier on all assemblies and methods\n"
1206 " --full-aot Avoid JITting any code\n"
1207 " --llvmonly Use LLVM compiled code only\n"
1208 " --agent=ASSEMBLY[:ARG] Loads the specific agent assembly and executes its Main method with the given argument before loading the main assembly.\n"
1209 " --no-x86-stack-align Don't align stack on x86\n"
1211 "The options supported by MONO_DEBUG can also be passed on the command line.\n"
1214 " --graph[=TYPE] METHOD Draws a graph of the specified method:\n");
1216 for (i = 0; i < G_N_ELEMENTS (graph_names); ++i) {
1217 fprintf (stdout, " %-10s %s\n", graph_names [i].name, graph_names [i].desc);
1222 mini_usage_list_opt (void)
1226 for (i = 0; i < G_N_ELEMENTS (opt_names); ++i)
1227 fprintf (stdout, " %-10s %s\n", optflag_get_name (i), optflag_get_desc (i));
1234 "Usage is: mono [options] program [program-options]\n"
1237 " --aot[=<options>] Compiles the assembly to native code\n"
1238 " --debug[=<options>] Enable debugging support, use --help-debug for details\n"
1239 " --debugger-agent=options Enable the debugger agent\n"
1240 " --profile[=profiler] Runs in profiling mode with the specified profiler module\n"
1241 " --trace[=EXPR] Enable tracing, use --help-trace for details\n"
1242 " --jitmap Output a jit method map to /tmp/perf-PID.map\n"
1243 " --help-devel Shows more options available to developers\n"
1246 " --config FILE Loads FILE as the Mono config\n"
1247 " --verbose, -v Increases the verbosity level\n"
1248 " --help, -h Show usage information\n"
1249 " --version, -V Show version information\n"
1250 " --runtime=VERSION Use the VERSION runtime, instead of autodetecting\n"
1251 " --optimize=OPT Turns on or off a specific optimization\n"
1252 " Use --list-opt to get a list of optimizations\n"
1253 #ifndef DISABLE_SECURITY
1254 " --security[=mode] Turns on the unsupported security manager (off by default)\n"
1255 " mode is one of cas, core-clr, verifiable or validil\n"
1257 " --attach=OPTIONS Pass OPTIONS to the attach agent in the runtime.\n"
1258 " Currently the only supported option is 'disable'.\n"
1259 " --llvm, --nollvm Controls whenever the runtime uses LLVM to compile code.\n"
1260 " --gc=[sgen,boehm] Select SGen or Boehm GC (runs mono or mono-sgen)\n"
1262 " --arch=[32,64] Select architecture (runs mono32 or mono64)\n"
1265 " --mixed-mode Enable mixed-mode image support.\n"
1267 " --handlers Install custom handlers, use --help-handlers for details.\n"
1268 " --aot-path=PATH List of additional directories to search for AOT images.\n"
1273 mini_trace_usage (void)
1276 "Tracing options:\n"
1277 " --trace[=EXPR] Trace every call, optional EXPR controls the scope\n"
1279 "EXPR is composed of:\n"
1280 " all All assemblies\n"
1281 " none No assemblies\n"
1282 " program Entry point assembly\n"
1283 " assembly Specifies an assembly\n"
1284 " wrapper All wrappers bridging native and managed code\n"
1285 " M:Type:Method Specifies a method\n"
1286 " N:Namespace Specifies a namespace\n"
1287 " T:Type Specifies a type\n"
1288 " E:Type Specifies stack traces for an exception type\n"
1289 " EXPR Includes expression\n"
1290 " -EXPR Excludes expression\n"
1291 " EXPR,EXPR Multiple expressions\n"
1292 " disabled Don't print any output until toggled via SIGUSR2\n");
1296 mini_debug_usage (void)
1299 "Debugging options:\n"
1300 " --debug[=OPTIONS] Enable debugging support, optional OPTIONS is a comma\n"
1301 " separated list of options\n"
1303 "OPTIONS is composed of:\n"
1304 " casts Enable more detailed InvalidCastException messages.\n"
1305 " mdb-optimizations Disable some JIT optimizations which are normally\n"
1306 " disabled when running inside the debugger.\n"
1307 " This is useful if you plan to attach to the running\n"
1308 " process with the debugger.\n");
1311 #if defined(MONO_ARCH_ARCHITECTURE)
1312 /* Redefine MONO_ARCHITECTURE to include more information */
1313 #undef MONO_ARCHITECTURE
1314 #define MONO_ARCHITECTURE MONO_ARCH_ARCHITECTURE
1317 static const char info[] =
1318 #ifdef HAVE_KW_THREAD
1322 #endif /* HAVE_KW_THREAD */
1323 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
1324 "\tSIGSEGV: altstack\n"
1326 "\tSIGSEGV: normal\n"
1329 "\tNotifications: epoll\n"
1330 #elif defined(HAVE_KQUEUE)
1331 "\tNotification: kqueue\n"
1333 "\tNotification: Thread + polling\n"
1335 "\tArchitecture: " MONO_ARCHITECTURE "\n"
1336 "\tDisabled: " DISABLED_FEATURES "\n"
1338 #ifdef MONO_SMALL_CONFIG
1341 #ifdef MONO_BIG_ARRAYS
1344 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && !defined(DISABLE_SOFT_DEBUG)
1348 #ifdef MONO_ARCH_LLVM_SUPPORTED
1350 "\tLLVM: yes(" LLVM_VERSION ")\n"
1352 "\tLLVM: supported, not enabled.\n"
1357 #ifndef MONO_ARCH_AOT_SUPPORTED
1358 #define error_if_aot_unsupported() do {fprintf (stderr, "AOT compilation is not supported on this platform.\n"); exit (1);} while (0)
1360 #define error_if_aot_unsupported()
1363 static gboolean enable_debugging;
1366 * mono_jit_parse_options:
1368 * Process the command line options in \p argv as done by the runtime executable.
1369 * This should be called before \c mono_jit_init.
1372 mono_jit_parse_options (int argc, char * argv[])
1375 char *trace_options = NULL;
1376 int mini_verbose = 0;
1380 * Some options have no effect here, since they influence the behavior of
1384 opt = mono_parse_default_optimizations (NULL);
1386 /* FIXME: Avoid code duplication */
1387 for (i = 0; i < argc; ++i) {
1388 if (argv [i] [0] != '-')
1390 if (strncmp (argv [i], "--debugger-agent=", 17) == 0) {
1391 MonoDebugOptions *opt = mini_get_debug_options ();
1393 mono_debugger_agent_parse_options (argv [i] + 17);
1394 opt->mdb_optimizations = TRUE;
1395 enable_debugging = TRUE;
1396 } else if (!strcmp (argv [i], "--soft-breakpoints")) {
1397 MonoDebugOptions *opt = mini_get_debug_options ();
1399 opt->soft_breakpoints = TRUE;
1400 opt->explicit_null_checks = TRUE;
1401 } else if (strncmp (argv [i], "--optimize=", 11) == 0) {
1402 opt = parse_optimizations (opt, argv [i] + 11, TRUE);
1403 mono_set_optimizations (opt);
1404 } else if (strncmp (argv [i], "-O=", 3) == 0) {
1405 opt = parse_optimizations (opt, argv [i] + 3, TRUE);
1406 mono_set_optimizations (opt);
1407 } else if (strcmp (argv [i], "--trace") == 0) {
1408 trace_options = (char*)"";
1409 } else if (strncmp (argv [i], "--trace=", 8) == 0) {
1410 trace_options = &argv [i][8];
1411 } else if (strcmp (argv [i], "--verbose") == 0 || strcmp (argv [i], "-v") == 0) {
1413 } else if (strcmp (argv [i], "--breakonex") == 0) {
1414 MonoDebugOptions *opt = mini_get_debug_options ();
1416 opt->break_on_exc = TRUE;
1417 } else if (strcmp (argv [i], "--stats") == 0) {
1418 mono_counters_enable (-1);
1419 mono_stats.enabled = TRUE;
1420 mono_jit_stats.enabled = TRUE;
1421 } else if (strcmp (argv [i], "--break") == 0) {
1423 fprintf (stderr, "Missing method name in --break command line option\n");
1427 if (!mono_debugger_insert_breakpoint (argv [++i], FALSE))
1428 fprintf (stderr, "Error: invalid method name '%s'\n", argv [i]);
1429 } else if (strncmp (argv[i], "--gc-params=", 12) == 0) {
1430 mono_gc_params_set (argv[i] + 12);
1431 } else if (strncmp (argv[i], "--gc-debug=", 11) == 0) {
1432 mono_gc_debug_set (argv[i] + 11);
1433 } else if (strcmp (argv [i], "--llvm") == 0) {
1434 #ifndef MONO_ARCH_LLVM_SUPPORTED
1435 fprintf (stderr, "Mono Warning: --llvm not supported on this platform.\n");
1436 #elif !defined(ENABLE_LLVM)
1437 fprintf (stderr, "Mono Warning: --llvm not enabled in this runtime.\n");
1439 mono_use_llvm = TRUE;
1441 } else if (argv [i][0] == '-' && argv [i][1] == '-' && mini_parse_debug_option (argv [i] + 2)) {
1443 fprintf (stderr, "Unsupported command line option: '%s'\n", argv [i]);
1448 if (trace_options != NULL) {
1450 * Need to call this before mini_init () so we can trace methods
1451 * compiled there too.
1453 mono_jit_trace_calls = mono_trace_parse_options (trace_options);
1454 if (mono_jit_trace_calls == NULL)
1459 mono_set_verbose_level (mini_verbose);
1463 mono_set_use_smp (int use_smp)
1465 #if HAVE_SCHED_SETAFFINITY
1467 unsigned long proc_mask = 1;
1468 #ifdef GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY
1469 sched_setaffinity (getpid(), (gpointer)&proc_mask);
1471 sched_setaffinity (getpid(), sizeof (unsigned long), (const cpu_set_t *)&proc_mask);
1478 switch_gc (char* argv[], const char* target_gc)
1482 if (!strcmp (mono_gc_get_gc_name (), target_gc)) {
1486 path = g_string_new (argv [0]);
1488 /*Running mono without any argument*/
1489 if (strstr (argv [0], "-sgen"))
1490 g_string_truncate (path, path->len - 5);
1491 else if (strstr (argv [0], "-boehm"))
1492 g_string_truncate (path, path->len - 6);
1494 g_string_append_c (path, '-');
1495 g_string_append (path, target_gc);
1498 execvp (path->str, argv);
1499 fprintf (stderr, "Error: Failed to switch to %s gc. mono-%s is not installed.\n", target_gc, target_gc);
1501 fprintf (stderr, "Error: --gc=<NAME> option not supported on this platform.\n");
1508 * tries to increase the minimum number of files, if the number is below 1024
1511 darwin_change_default_file_handles ()
1513 struct rlimit limit;
1515 if (getrlimit (RLIMIT_NOFILE, &limit) == 0){
1516 if (limit.rlim_cur < 1024){
1517 limit.rlim_cur = MAX(1024,limit.rlim_cur);
1518 setrlimit (RLIMIT_NOFILE, &limit);
1524 switch_arch (char* argv[], const char* target_arch)
1529 if ((strcmp (target_arch, "32") == 0 && strcmp (MONO_ARCHITECTURE, "x86") == 0) ||
1530 (strcmp (target_arch, "64") == 0 && strcmp (MONO_ARCHITECTURE, "amd64") == 0)) {
1531 return; /* matching arch loaded */
1534 path = g_string_new (argv [0]);
1535 arch_offset = path->len -2; /* last two characters */
1537 /* Remove arch suffix if present */
1538 if (strstr (&path->str[arch_offset], "32") || strstr (&path->str[arch_offset], "64")) {
1539 g_string_truncate (path, arch_offset);
1542 g_string_append (path, target_arch);
1544 if (execvp (path->str, argv) < 0) {
1545 fprintf (stderr, "Error: --arch=%s Failed to switch to '%s'.\n", target_arch, path->str);
1552 #define MONO_HANDLERS_ARGUMENT "--handlers="
1553 #define MONO_HANDLERS_ARGUMENT_LEN G_N_ELEMENTS(MONO_HANDLERS_ARGUMENT)-1
1557 * \param argc number of arguments in the argv array
1558 * \param argv array of strings containing the startup arguments
1559 * Launches the Mono JIT engine and parses all the command line options
1560 * in the same way that the mono command line VM would.
1563 mono_main (int argc, char* argv[])
1565 MainThreadArgs main_args;
1566 MonoAssembly *assembly;
1567 MonoMethodDesc *desc;
1571 MonoImageOpenStatus open_status;
1572 const char* aname, *mname = NULL;
1573 char *config_file = NULL;
1575 guint32 opt, action = DO_EXEC, recompilation_times = 1;
1576 MonoGraphOptions mono_graph_options = (MonoGraphOptions)0;
1577 int mini_verbose = 0;
1578 gboolean enable_profile = FALSE;
1579 char *trace_options = NULL;
1580 char *profile_options = NULL;
1581 char *aot_options = NULL;
1582 char *forced_version = NULL;
1583 GPtrArray *agents = NULL;
1584 char *attach_options = NULL;
1585 #ifdef MONO_JIT_INFO_TABLE_TEST
1586 int test_jit_info_table = FALSE;
1589 int mixed_mode = FALSE;
1591 #ifdef __native_client__
1592 gboolean nacl_null_checks_off = FALSE;
1597 /* stdout defaults to block buffering if it's not writing to a terminal, which
1598 * happens with our test harness: we redirect stdout to capture it. Force line
1599 * buffering in all cases. */
1600 setlinebuf (stdout);
1604 setlocale (LC_ALL, "");
1607 darwin_change_default_file_handles ();
1610 if (g_getenv ("MONO_NO_SMP"))
1611 mono_set_use_smp (FALSE);
1613 g_log_set_always_fatal (G_LOG_LEVEL_ERROR);
1614 g_log_set_fatal_mask (G_LOG_DOMAIN, G_LOG_LEVEL_ERROR);
1616 opt = mono_parse_default_optimizations (NULL);
1618 for (i = 1; i < argc; ++i) {
1619 if (argv [i] [0] != '-')
1621 if (strcmp (argv [i], "--regression") == 0) {
1622 action = DO_REGRESSION;
1623 } else if (strncmp (argv [i], "--single-method=", 16) == 0) {
1624 char *full_opts = g_strdup_printf ("-all,%s", argv [i] + 16);
1625 action = DO_SINGLE_METHOD_REGRESSION;
1626 mono_single_method_regression_opt = parse_optimizations (opt, full_opts, TRUE);
1628 } else if (strcmp (argv [i], "--verbose") == 0 || strcmp (argv [i], "-v") == 0) {
1630 } else if (strcmp (argv [i], "--version") == 0 || strcmp (argv [i], "-V") == 0) {
1631 char *build = mono_get_runtime_build_info ();
1634 g_print ("Mono JIT compiler version %s\nCopyright (C) 2002-2014 Novell, Inc, Xamarin Inc and Contributors. www.mono-project.com\n", build);
1637 gc_descr = mono_gc_get_description ();
1638 g_print ("\tGC: %s\n", gc_descr);
1641 } else if (strcmp (argv [i], "--help") == 0 || strcmp (argv [i], "-h") == 0) {
1644 } else if (strcmp (argv [i], "--help-trace") == 0){
1645 mini_trace_usage ();
1647 } else if (strcmp (argv [i], "--help-devel") == 0){
1648 mini_usage_jitdeveloper ();
1650 } else if (strcmp (argv [i], "--help-debug") == 0){
1651 mini_debug_usage ();
1653 } else if (strcmp (argv [i], "--list-opt") == 0){
1654 mini_usage_list_opt ();
1656 } else if (strncmp (argv [i], "--statfile", 10) == 0) {
1658 fprintf (stderr, "error: --statfile requires a filename argument\n");
1661 mini_stats_fd = fopen (argv [++i], "w+");
1662 } else if (strncmp (argv [i], "--optimize=", 11) == 0) {
1663 opt = parse_optimizations (opt, argv [i] + 11, TRUE);
1664 } else if (strncmp (argv [i], "-O=", 3) == 0) {
1665 opt = parse_optimizations (opt, argv [i] + 3, TRUE);
1666 } else if (strncmp (argv [i], "--bisect=", 9) == 0) {
1667 char *param = argv [i] + 9;
1668 char *sep = strchr (param, ':');
1670 fprintf (stderr, "Error: --bisect requires OPT:FILENAME\n");
1673 char *opt_string = g_strndup (param, sep - param);
1674 guint32 opt = parse_optimizations (0, opt_string, FALSE);
1675 g_free (opt_string);
1676 mono_set_bisect_methods (opt, sep + 1);
1677 } else if (strcmp (argv [i], "--gc=sgen") == 0) {
1678 switch_gc (argv, "sgen");
1679 } else if (strcmp (argv [i], "--gc=boehm") == 0) {
1680 switch_gc (argv, "boehm");
1681 } else if (strncmp (argv[i], "--gc-params=", 12) == 0) {
1682 mono_gc_params_set (argv[i] + 12);
1683 } else if (strncmp (argv[i], "--gc-debug=", 11) == 0) {
1684 mono_gc_debug_set (argv[i] + 11);
1687 else if (strcmp (argv [i], "--arch=32") == 0) {
1688 switch_arch (argv, "32");
1689 } else if (strcmp (argv [i], "--arch=64") == 0) {
1690 switch_arch (argv, "64");
1693 else if (strcmp (argv [i], "--config") == 0) {
1695 fprintf (stderr, "error: --config requires a filename argument\n");
1698 config_file = argv [++i];
1700 } else if (strcmp (argv [i], "--mixed-mode") == 0) {
1703 } else if (strcmp (argv [i], "--ncompile") == 0) {
1705 fprintf (stderr, "error: --ncompile requires an argument\n");
1708 count = atoi (argv [++i]);
1710 } else if (strcmp (argv [i], "--trace") == 0) {
1711 trace_options = (char*)"";
1712 } else if (strncmp (argv [i], "--trace=", 8) == 0) {
1713 trace_options = &argv [i][8];
1714 } else if (strcmp (argv [i], "--breakonex") == 0) {
1715 MonoDebugOptions *opt = mini_get_debug_options ();
1717 opt->break_on_exc = TRUE;
1718 } else if (strcmp (argv [i], "--break") == 0) {
1720 fprintf (stderr, "Missing method name in --break command line option\n");
1724 if (!mono_debugger_insert_breakpoint (argv [++i], FALSE))
1725 fprintf (stderr, "Error: invalid method name '%s'\n", argv [i]);
1726 } else if (strcmp (argv [i], "--break-at-bb") == 0) {
1727 if (i + 2 >= argc) {
1728 fprintf (stderr, "Missing method name or bb num in --break-at-bb command line option.");
1731 mono_break_at_bb_method = mono_method_desc_new (argv [++i], TRUE);
1732 if (mono_break_at_bb_method == NULL) {
1733 fprintf (stderr, "Method name is in a bad format in --break-at-bb command line option.");
1736 mono_break_at_bb_bb_num = atoi (argv [++i]);
1737 } else if (strcmp (argv [i], "--inject-async-exc") == 0) {
1738 if (i + 2 >= argc) {
1739 fprintf (stderr, "Missing method name or position in --inject-async-exc command line option\n");
1742 mono_inject_async_exc_method = mono_method_desc_new (argv [++i], TRUE);
1743 if (mono_inject_async_exc_method == NULL) {
1744 fprintf (stderr, "Method name is in a bad format in --inject-async-exc command line option\n");
1747 mono_inject_async_exc_pos = atoi (argv [++i]);
1748 } else if (strcmp (argv [i], "--verify-all") == 0) {
1749 mono_verifier_enable_verify_all ();
1750 } else if (strcmp (argv [i], "--full-aot") == 0) {
1751 mono_jit_set_aot_mode (MONO_AOT_MODE_FULL);
1752 } else if (strcmp (argv [i], "--llvmonly") == 0) {
1753 mono_jit_set_aot_mode (MONO_AOT_MODE_LLVMONLY);
1754 } else if (strcmp (argv [i], "--hybrid-aot") == 0) {
1755 mono_jit_set_aot_mode (MONO_AOT_MODE_HYBRID);
1756 } else if (strcmp (argv [i], "--print-vtable") == 0) {
1757 mono_print_vtable = TRUE;
1758 } else if (strcmp (argv [i], "--stats") == 0) {
1759 mono_counters_enable (-1);
1760 mono_stats.enabled = TRUE;
1761 mono_jit_stats.enabled = TRUE;
1763 } else if (strcmp (argv [i], "--aot") == 0) {
1764 error_if_aot_unsupported ();
1765 mono_compile_aot = TRUE;
1766 } else if (strncmp (argv [i], "--aot=", 6) == 0) {
1767 error_if_aot_unsupported ();
1768 mono_compile_aot = TRUE;
1769 aot_options = &argv [i][6];
1771 } else if (strncmp (argv [i], "--aot-path=", 11) == 0) {
1774 splitted = g_strsplit (argv [i] + 11, G_SEARCHPATH_SEPARATOR_S, 1000);
1776 char *tmp = *splitted;
1777 mono_aot_paths = g_list_append (mono_aot_paths, g_strdup (tmp));
1781 } else if (strncmp (argv [i], "--compile-all=", 14) == 0) {
1782 action = DO_COMPILE;
1783 recompilation_times = atoi (argv [i] + 14);
1784 } else if (strcmp (argv [i], "--compile-all") == 0) {
1785 action = DO_COMPILE;
1786 } else if (strncmp (argv [i], "--runtime=", 10) == 0) {
1787 forced_version = &argv [i][10];
1788 } else if (strcmp (argv [i], "--jitmap") == 0) {
1789 mono_enable_jit_map ();
1790 } else if (strcmp (argv [i], "--profile") == 0) {
1791 enable_profile = TRUE;
1792 profile_options = NULL;
1793 } else if (strncmp (argv [i], "--profile=", 10) == 0) {
1794 enable_profile = TRUE;
1795 profile_options = argv [i] + 10;
1796 } else if (strncmp (argv [i], "--agent=", 8) == 0) {
1798 agents = g_ptr_array_new ();
1799 g_ptr_array_add (agents, argv [i] + 8);
1800 } else if (strncmp (argv [i], "--attach=", 9) == 0) {
1801 attach_options = argv [i] + 9;
1802 } else if (strcmp (argv [i], "--compile") == 0) {
1804 fprintf (stderr, "error: --compile option requires a method name argument\n");
1810 } else if (strncmp (argv [i], "--graph=", 8) == 0) {
1812 fprintf (stderr, "error: --graph option requires a method name argument\n");
1816 mono_graph_options = mono_parse_graph_options (argv [i] + 8);
1819 } else if (strcmp (argv [i], "--graph") == 0) {
1821 fprintf (stderr, "error: --graph option requires a method name argument\n");
1826 mono_graph_options = MONO_GRAPH_CFG;
1828 } else if (strcmp (argv [i], "--debug") == 0) {
1829 enable_debugging = TRUE;
1830 } else if (strncmp (argv [i], "--debug=", 8) == 0) {
1831 enable_debugging = TRUE;
1832 if (!parse_debug_options (argv [i] + 8))
1834 } else if (strncmp (argv [i], "--debugger-agent=", 17) == 0) {
1835 MonoDebugOptions *opt = mini_get_debug_options ();
1837 mono_debugger_agent_parse_options (argv [i] + 17);
1838 opt->mdb_optimizations = TRUE;
1839 enable_debugging = TRUE;
1840 } else if (strcmp (argv [i], "--security") == 0) {
1841 #ifndef DISABLE_SECURITY
1842 mono_verifier_set_mode (MONO_VERIFIER_MODE_VERIFIABLE);
1844 fprintf (stderr, "error: --security: not compiled with security manager support");
1847 } else if (strncmp (argv [i], "--security=", 11) == 0) {
1848 /* Note: validil, and verifiable need to be
1849 accepted even if DISABLE_SECURITY is defined. */
1851 if (strcmp (argv [i] + 11, "core-clr") == 0) {
1852 #ifndef DISABLE_SECURITY
1853 mono_verifier_set_mode (MONO_VERIFIER_MODE_VERIFIABLE);
1854 mono_security_set_mode (MONO_SECURITY_MODE_CORE_CLR);
1856 fprintf (stderr, "error: --security: not compiled with CoreCLR support");
1859 } else if (strcmp (argv [i] + 11, "core-clr-test") == 0) {
1860 #ifndef DISABLE_SECURITY
1861 /* fixme should we enable verifiable code here?*/
1862 mono_security_set_mode (MONO_SECURITY_MODE_CORE_CLR);
1863 mono_security_core_clr_test = TRUE;
1865 fprintf (stderr, "error: --security: not compiled with CoreCLR support");
1868 } else if (strcmp (argv [i] + 11, "cas") == 0) {
1869 #ifndef DISABLE_SECURITY
1870 fprintf (stderr, "warning: --security=cas not supported.");
1872 fprintf (stderr, "error: --security: not compiled with CAS support");
1875 } else if (strcmp (argv [i] + 11, "validil") == 0) {
1876 mono_verifier_set_mode (MONO_VERIFIER_MODE_VALID);
1877 } else if (strcmp (argv [i] + 11, "verifiable") == 0) {
1878 mono_verifier_set_mode (MONO_VERIFIER_MODE_VERIFIABLE);
1880 fprintf (stderr, "error: --security= option has invalid argument (cas, core-clr, verifiable or validil)\n");
1883 } else if (strcmp (argv [i], "--desktop") == 0) {
1884 mono_gc_set_desktop_mode ();
1885 /* Put more desktop-specific optimizations here */
1886 } else if (strcmp (argv [i], "--server") == 0){
1887 mono_config_set_server_mode (TRUE);
1888 /* Put more server-specific optimizations here */
1889 } else if (strcmp (argv [i], "--inside-mdb") == 0) {
1890 action = DO_DEBUGGER;
1891 } else if (strncmp (argv [i], "--wapi=", 7) == 0) {
1892 fprintf (stderr, "--wapi= option no longer supported\n.");
1894 } else if (strcmp (argv [i], "--no-x86-stack-align") == 0) {
1895 mono_do_x86_stack_align = FALSE;
1896 #ifdef MONO_JIT_INFO_TABLE_TEST
1897 } else if (strcmp (argv [i], "--test-jit-info-table") == 0) {
1898 test_jit_info_table = TRUE;
1900 } else if (strcmp (argv [i], "--llvm") == 0) {
1901 #ifndef MONO_ARCH_LLVM_SUPPORTED
1902 fprintf (stderr, "Mono Warning: --llvm not supported on this platform.\n");
1903 #elif !defined(ENABLE_LLVM)
1904 fprintf (stderr, "Mono Warning: --llvm not enabled in this runtime.\n");
1906 mono_use_llvm = TRUE;
1908 } else if (strcmp (argv [i], "--nollvm") == 0){
1909 mono_use_llvm = FALSE;
1910 #ifdef ENABLE_INTERPRETER
1911 } else if (strcmp (argv [i], "--interpreter") == 0) {
1912 mono_use_interpreter = TRUE;
1915 #ifdef __native_client__
1916 } else if (strcmp (argv [i], "--nacl-mono-path") == 0){
1917 nacl_mono_path = g_strdup(argv[++i]);
1918 } else if (strcmp (argv [i], "--nacl-null-checks-off") == 0){
1919 nacl_null_checks_off = TRUE;
1921 } else if (strncmp (argv [i], MONO_HANDLERS_ARGUMENT, MONO_HANDLERS_ARGUMENT_LEN) == 0) {
1922 //Install specific custom handlers.
1923 if (!mono_runtime_install_custom_handlers (argv[i] + MONO_HANDLERS_ARGUMENT_LEN)) {
1924 fprintf (stderr, "error: " MONO_HANDLERS_ARGUMENT ", one or more unknown handlers: '%s'\n", argv [i]);
1927 } else if (strcmp (argv [i], "--help-handlers") == 0) {
1928 mono_runtime_install_custom_handlers_usage ();
1930 } else if (argv [i][0] == '-' && argv [i][1] == '-' && mini_parse_debug_option (argv [i] + 2)) {
1932 fprintf (stderr, "Unknown command line option: '%s'\n", argv [i]);
1937 #ifdef __native_client_codegen__
1938 if (!nacl_null_checks_off) {
1939 MonoDebugOptions *opt = mini_get_debug_options ();
1940 opt->explicit_null_checks = TRUE;
1944 #if defined(DISABLE_HW_TRAPS) || defined(MONO_ARCH_DISABLE_HW_TRAPS)
1945 // Signal handlers not available
1947 MonoDebugOptions *opt = mini_get_debug_options ();
1948 opt->explicit_null_checks = TRUE;
1957 #if !defined(HOST_WIN32) && defined(HAVE_UNISTD_H)
1959 * If we are not embedded, use the mono runtime executable to run managed exe's.
1964 runtime_path = mono_w32process_get_path (getpid ());
1966 mono_w32process_set_cli_launcher (runtime_path);
1967 g_free (runtime_path);
1972 if (g_getenv ("MONO_XDEBUG"))
1973 enable_debugging = TRUE;
1975 #ifdef MONO_CROSS_COMPILE
1976 if (!mono_compile_aot) {
1977 fprintf (stderr, "This mono runtime is compiled for cross-compiling. Only the --aot option is supported.\n");
1980 #if SIZEOF_VOID_P == 8 && (defined(TARGET_ARM) || defined(TARGET_X86))
1981 fprintf (stderr, "Can't cross-compile on 64-bit platforms to 32-bit architecture.\n");
1983 #elif SIZEOF_VOID_P == 4 && (defined(TARGET_ARM64) || defined(TARGET_AMD64))
1984 fprintf (stderr, "Can't cross-compile on 32-bit platforms to 64-bit architecture.\n");
1989 if (mono_compile_aot || action == DO_EXEC || action == DO_DEBUGGER) {
1990 g_set_prgname (argv[i]);
1993 mono_counters_init ();
1996 mono_w32handle_init ();
1999 /* Set rootdir before loading config */
2000 mono_set_rootdir ();
2002 if (enable_profile) {
2003 mini_profiler_enable_with_options (profile_options);
2006 mono_attach_parse_options (attach_options);
2008 if (trace_options != NULL){
2010 * Need to call this before mini_init () so we can trace methods
2011 * compiled there too.
2013 mono_jit_trace_calls = mono_trace_parse_options (trace_options);
2014 if (mono_jit_trace_calls == NULL)
2019 if (!mono_aot_only) {
2020 fprintf (stderr, "This runtime has been configured with --enable-minimal=jit, so the --full-aot command line option is required.\n");
2025 if (action == DO_DEBUGGER) {
2026 enable_debugging = TRUE;
2027 g_print ("The Mono Debugger is no longer supported.\n");
2029 } else if (enable_debugging)
2030 mono_debug_init (MONO_DEBUG_FORMAT_MONO);
2034 mono_load_coree (argv [i]);
2037 /* Parse gac loading options before loading assemblies. */
2038 if (mono_compile_aot || action == DO_EXEC || action == DO_DEBUGGER) {
2039 mono_config_parse (config_file);
2042 mono_set_defaults (mini_verbose, opt);
2043 #ifdef ENABLE_INTERPRETER
2044 mono_interp_init ();
2046 domain = mini_init (argv [i], forced_version);
2048 mono_gc_set_stack_end (&domain);
2053 for (i = 0; i < agents->len; ++i) {
2054 int res = load_agent (domain, (char*)g_ptr_array_index (agents, i));
2056 g_ptr_array_free (agents, TRUE);
2057 mini_cleanup (domain);
2062 g_ptr_array_free (agents, TRUE);
2066 case DO_SINGLE_METHOD_REGRESSION:
2067 mono_do_single_method_regression = TRUE;
2069 #ifdef ENABLE_INTERPRETER
2070 if (mono_use_interpreter) {
2071 if (mono_interp_regression_list (2, argc -i, argv + i)) {
2072 g_print ("Regression ERRORS!\n");
2073 // mini_cleanup (domain);
2076 // mini_cleanup (domain);
2080 if (mini_regression_list (mini_verbose, argc -i, argv + i)) {
2081 g_print ("Regression ERRORS!\n");
2082 mini_cleanup (domain);
2085 mini_cleanup (domain);
2088 if (argc - i != 1 || mname == NULL) {
2089 g_print ("Usage: mini --ncompile num --compile method assembly\n");
2090 mini_cleanup (domain);
2096 if (argc - i != 1) {
2098 mini_cleanup (domain);
2104 if (argc - i != 1 || mname == NULL) {
2106 mini_cleanup (domain);
2114 mini_cleanup (domain);
2121 #ifdef MONO_JIT_INFO_TABLE_TEST
2122 if (test_jit_info_table)
2123 jit_info_table_test (domain);
2126 assembly = mono_assembly_open_predicate (aname, FALSE, FALSE, NULL, NULL, &open_status);
2128 fprintf (stderr, "Cannot open assembly '%s': %s.\n", aname, mono_image_strerror (open_status));
2129 mini_cleanup (domain);
2133 if (trace_options != NULL)
2134 mono_trace_set_assembly (assembly);
2136 if (mono_compile_aot || action == DO_EXEC) {
2139 //mono_set_rootdir ();
2141 error = mono_check_corlib_version ();
2143 fprintf (stderr, "Corlib not in sync with this runtime: %s\n", error);
2144 fprintf (stderr, "Loaded from: %s\n",
2145 mono_defaults.corlib? mono_image_get_filename (mono_defaults.corlib): "unknown");
2146 fprintf (stderr, "Download a newer corlib or a newer runtime at http://www.mono-project.com/download.\n");
2150 #if defined(HOST_WIN32) && G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT)
2151 /* Detach console when executing IMAGE_SUBSYSTEM_WINDOWS_GUI on win32 */
2152 if (!enable_debugging && !mono_compile_aot && ((MonoCLIImageInfo*)(mono_assembly_get_image (assembly)->image_info))->cli_header.nt.pe_subsys_required == IMAGE_SUBSYSTEM_WINDOWS_GUI)
2156 main_args.domain = domain;
2157 main_args.file = aname;
2158 main_args.argc = argc - i;
2159 main_args.argv = argv + i;
2160 main_args.opts = opt;
2161 main_args.aot_options = aot_options;
2162 #if RUN_IN_SUBTHREAD
2163 mono_runtime_exec_managed_code (domain, main_thread_handler, &main_args);
2165 main_thread_handler (&main_args);
2166 mono_thread_manage ();
2169 mini_cleanup (domain);
2171 /* Look up return value from System.Environment.ExitCode */
2172 i = mono_environment_exitcode_get ();
2174 } else if (action == DO_COMPILE) {
2175 compile_all_methods (assembly, mini_verbose, opt, recompilation_times);
2176 mini_cleanup (domain);
2178 } else if (action == DO_DEBUGGER) {
2181 desc = mono_method_desc_new (mname, 0);
2183 g_print ("Invalid method name %s\n", mname);
2184 mini_cleanup (domain);
2187 method = mono_method_desc_search_in_image (desc, mono_assembly_get_image (assembly));
2189 g_print ("Cannot find method %s\n", mname);
2190 mini_cleanup (domain);
2195 if (action == DO_DRAW) {
2198 switch (mono_graph_options) {
2199 case MONO_GRAPH_DTREE:
2201 opt |= MONO_OPT_LOOP;
2203 case MONO_GRAPH_CFG_CODE:
2206 case MONO_GRAPH_CFG_SSA:
2209 case MONO_GRAPH_CFG_OPTCODE:
2216 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
2217 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
2219 nm = mono_marshal_get_native_wrapper (method, TRUE, FALSE);
2220 cfg = mini_method_compile (nm, opt, mono_get_root_domain (), (JitFlags)0, part, -1);
2223 cfg = mini_method_compile (method, opt, mono_get_root_domain (), (JitFlags)0, part, -1);
2224 if ((mono_graph_options & MONO_GRAPH_CFG_SSA) && !(cfg->comp_done & MONO_COMP_SSA)) {
2225 g_warning ("no SSA info available (use -O=deadce)");
2228 mono_draw_graph (cfg, mono_graph_options);
2229 mono_destroy_compile (cfg);
2231 } else if (action == DO_BENCH) {
2232 if (mini_stats_fd) {
2234 double no_opt_time = 0.0;
2235 GTimer *timer = g_timer_new ();
2236 fprintf (mini_stats_fd, "$stattitle = \'Compilations times for %s\';\n",
2237 mono_method_full_name (method, TRUE));
2238 fprintf (mini_stats_fd, "@data = (\n");
2239 fprintf (mini_stats_fd, "[");
2240 for (i = 0; i < G_N_ELEMENTS (opt_sets); i++) {
2242 n = mono_opt_descr (opt);
2245 fprintf (mini_stats_fd, "\"%s\",", n);
2247 fprintf (mini_stats_fd, "],\n[");
2249 for (i = 0; i < G_N_ELEMENTS (opt_sets); i++) {
2253 g_timer_start (timer);
2254 for (j = 0; j < count; ++j) {
2255 cfg = mini_method_compile (method, opt, mono_get_root_domain (), (JitFlags)0, 0, -1);
2256 mono_destroy_compile (cfg);
2258 g_timer_stop (timer);
2259 elapsed = g_timer_elapsed (timer, NULL);
2261 no_opt_time = elapsed;
2262 fprintf (mini_stats_fd, "%f, ", elapsed);
2264 fprintf (mini_stats_fd, "]");
2265 if (no_opt_time > 0.0) {
2266 fprintf (mini_stats_fd, ", \n[");
2267 for (i = 0; i < G_N_ELEMENTS (opt_sets); i++)
2268 fprintf (mini_stats_fd, "%f,", no_opt_time);
2269 fprintf (mini_stats_fd, "]");
2271 fprintf (mini_stats_fd, ");\n");
2273 for (i = 0; i < count; ++i) {
2274 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
2275 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
2276 method = mono_marshal_get_native_wrapper (method, TRUE, FALSE);
2278 cfg = mini_method_compile (method, opt, mono_get_root_domain (), (JitFlags)0, 0, -1);
2279 mono_destroy_compile (cfg);
2283 cfg = mini_method_compile (method, opt, mono_get_root_domain (), (JitFlags)0, 0, -1);
2284 mono_destroy_compile (cfg);
2288 mini_cleanup (domain);
2296 mono_jit_init (const char *file)
2298 return mini_init (file, NULL);
2302 * mono_jit_init_version:
2303 * \param domain_name the name of the root domain
2304 * \param runtime_version the version of the runtime to load
2306 * Use this version when you want to force a particular runtime
2307 * version to be used. By default Mono will pick the runtime that is
2308 * referenced by the initial assembly (specified in \p file), this
2309 * routine allows programmers to specify the actual runtime to be used
2310 * as the initial runtime is inherited by all future assemblies loaded
2311 * (since Mono does not support having more than one mscorlib runtime
2314 * The \p runtime_version can be one of these strings: "v4.0.30319" for
2315 * desktop, "mobile" for mobile or "moonlight" for Silverlight compat.
2316 * If an unrecognized string is input, the vm will default to desktop.
2318 * \returns the \c MonoDomain representing the domain where the assembly
2322 mono_jit_init_version (const char *domain_name, const char *runtime_version)
2324 return mini_init (domain_name, runtime_version);
2331 mono_jit_cleanup (MonoDomain *domain)
2333 mono_thread_manage ();
2335 mini_cleanup (domain);
2339 mono_jit_set_aot_only (gboolean val)
2341 mono_aot_only = val;
2345 * mono_jit_set_aot_mode:
2348 mono_jit_set_aot_mode (MonoAotMode mode)
2350 /* we don't want to set mono_aot_mode twice */
2351 g_assert (mono_aot_mode == MONO_AOT_MODE_NONE);
2352 mono_aot_mode = mode;
2354 if (mono_aot_mode == MONO_AOT_MODE_LLVMONLY) {
2355 mono_aot_only = TRUE;
2356 mono_llvm_only = TRUE;
2358 if (mono_aot_mode == MONO_AOT_MODE_FULL) {
2359 mono_aot_only = TRUE;
2361 if (mono_aot_mode == MONO_AOT_MODE_HYBRID) {
2362 mono_set_generic_sharing_vt_supported (TRUE);
2363 mono_set_partial_sharing_supported (TRUE);
2368 * mono_jit_set_trace_options:
2369 * \param options string representing the trace options
2370 * Set the options of the tracing engine. This function can be called before initializing
2371 * the mono runtime. See the --trace mono(1) manpage for the options format.
2373 * \returns TRUE if the options were parsed and set correctly, FALSE otherwise.
2376 mono_jit_set_trace_options (const char* options)
2378 MonoTraceSpec *trace_opt = mono_trace_parse_options (options);
2379 if (trace_opt == NULL)
2381 mono_jit_trace_calls = trace_opt;
2386 * mono_set_signal_chaining:
2388 * Enable/disable signal chaining. This should be called before \c mono_jit_init.
2389 * If signal chaining is enabled, the runtime saves the original signal handlers before
2390 * installing its own handlers, and calls the original ones in the following cases:
2391 * - a \c SIGSEGV / \c SIGABRT signal received while executing native (i.e. not JITted) code.
2396 * Signal chaining only works on POSIX platforms.
2399 mono_set_signal_chaining (gboolean chain_signals)
2401 mono_do_signal_chaining = chain_signals;
2405 * mono_set_crash_chaining:
2407 * Enable/disable crash chaining due to signals. When a fatal signal is delivered and
2408 * Mono doesn't know how to handle it, it will invoke the crash handler. If chrash chaining
2409 * is enabled, it will first print its crash information and then try to chain with the native handler.
2412 mono_set_crash_chaining (gboolean chain_crashes)
2414 mono_do_crash_chaining = chain_crashes;
2418 * mono_parse_options_from:
2419 * \param options string containing strings
2420 * \param ref_argc pointer to the \c argc variable that might be updated
2421 * \param ref_argv pointer to the \c argv string vector variable that might be updated
2423 * This function parses the contents of the \c MONO_ENV_OPTIONS
2424 * environment variable as if they were parsed by a command shell
2425 * splitting the contents by spaces into different elements of the
2426 * \p argv vector. This method supports quoting with both the " and '
2427 * characters. Inside quoting, spaces and tabs are significant,
2428 * otherwise, they are considered argument separators.
2430 * The \ character can be used to escape the next character which will
2431 * be added to the current element verbatim. Typically this is used
2432 * inside quotes. If the quotes are not balanced, this method
2434 * If the environment variable is empty, no changes are made
2435 * to the values pointed by \p ref_argc and \p ref_argv.
2437 * Otherwise the \p ref_argv is modified to point to a new array that contains
2438 * all the previous elements contained in the vector, plus the values parsed.
2439 * The \p argc is updated to match the new number of parameters.
2441 * \returns The value NULL is returned on success, otherwise a \c g_strdup allocated
2442 * string is returned (this is an alias to \c malloc under normal circumstances) that
2443 * contains the error message that happened during parsing.
2446 mono_parse_options_from (const char *options, int *ref_argc, char **ref_argv [])
2448 int argc = *ref_argc;
2449 char **argv = *ref_argv;
2450 GPtrArray *array = g_ptr_array_new ();
2451 GString *buffer = g_string_new ("");
2454 gboolean in_quotes = FALSE;
2455 char quote_char = '\0';
2457 if (options == NULL)
2460 for (p = options; *p; p++){
2462 case ' ': case '\t':
2464 if (buffer->len != 0){
2465 g_ptr_array_add (array, g_strdup (buffer->str));
2466 g_string_truncate (buffer, 0);
2469 g_string_append_c (buffer, *p);
2474 g_string_append_c (buffer, p [1]);
2481 if (quote_char == *p)
2484 g_string_append_c (buffer, *p);
2491 g_string_append_c (buffer, *p);
2496 return g_strdup_printf ("Unmatched quotes in value: [%s]\n", options);
2498 if (buffer->len != 0)
2499 g_ptr_array_add (array, g_strdup (buffer->str));
2500 g_string_free (buffer, TRUE);
2502 if (array->len > 0){
2503 int new_argc = array->len + argc;
2504 char **new_argv = g_new (char *, new_argc + 1);
2507 new_argv [0] = argv [0];
2509 /* First the environment variable settings, to allow the command line options to override */
2510 for (i = 0; i < array->len; i++)
2511 new_argv [i+1] = (char *)g_ptr_array_index (array, i);
2513 for (j = 1; j < argc; j++)
2514 new_argv [i++] = argv [j];
2515 new_argv [i] = NULL;
2517 *ref_argc = new_argc;
2518 *ref_argv = new_argv;
2520 g_ptr_array_free (array, TRUE);
2525 * mono_parse_env_options:
2526 * \param ref_argc pointer to the \c argc variable that might be updated
2527 * \param ref_argv pointer to the \c argv string vector variable that might be updated
2529 * This function parses the contents of the \c MONO_ENV_OPTIONS
2530 * environment variable as if they were parsed by a command shell
2531 * splitting the contents by spaces into different elements of the
2532 * \p argv vector. This method supports quoting with both the " and '
2533 * characters. Inside quoting, spaces and tabs are significant,
2534 * otherwise, they are considered argument separators.
2536 * The \ character can be used to escape the next character which will
2537 * be added to the current element verbatim. Typically this is used
2538 * inside quotes. If the quotes are not balanced, this method
2540 * If the environment variable is empty, no changes are made
2541 * to the values pointed by \p ref_argc and \p ref_argv.
2543 * Otherwise the \p ref_argv is modified to point to a new array that contains
2544 * all the previous elements contained in the vector, plus the values parsed.
2545 * The \p argc is updated to match the new number of parameters.
2547 * If there is an error parsing, this method will terminate the process by
2550 * An alternative to this method that allows an arbitrary string to be parsed
2551 * and does not exit on error is the `api:mono_parse_options_from`.
2554 mono_parse_env_options (int *ref_argc, char **ref_argv [])
2558 const char *env_options = g_getenv ("MONO_ENV_OPTIONS");
2559 if (env_options == NULL)
2561 ret = mono_parse_options_from (env_options, ref_argc, ref_argv);
2564 fprintf (stderr, "%s", ret);