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/socket-io.h>
37 #include <mono/metadata/appdomain.h>
38 #include <mono/metadata/debug-helpers.h>
39 #include <mono/io-layer/io-layer.h>
40 #include "mono/metadata/profiler.h"
41 #include <mono/metadata/profiler-private.h>
42 #include <mono/metadata/mono-config.h>
43 #include <mono/metadata/environment.h>
44 #include <mono/metadata/verify.h>
45 #include <mono/metadata/verify-internals.h>
46 #include <mono/metadata/mono-debug.h>
47 #include <mono/metadata/security-manager.h>
48 #include <mono/metadata/security-core-clr.h>
49 #include <mono/metadata/gc-internals.h>
50 #include <mono/metadata/coree.h>
51 #include <mono/metadata/attach.h>
52 #include <mono/metadata/w32process.h>
53 #include "mono/utils/mono-counters.h"
54 #include "mono/utils/mono-hwcap.h"
55 #include "mono/utils/mono-logger-internals.h"
56 #include "mono/metadata/w32handle.h"
60 #include "aot-compiler.h"
61 #include "interpreter/interp.h"
67 #include "debugger-agent.h"
69 # include <sys/resource.h>
72 static FILE *mini_stats_fd;
74 static void mini_usage (void);
77 /* Need this to determine whether to detach console */
78 #include <mono/metadata/cil-coff.h>
79 /* This turns off command line globbing under win32 */
83 typedef void (*OptFunc) (const char *p);
86 #ifdef HAVE_ARRAY_ELEM_INIT
87 #define MSGSTRFIELD(line) MSGSTRFIELD1(line)
88 #define MSGSTRFIELD1(line) str##line
90 static const struct msgstr_t {
91 #define OPTFLAG(id,shift,name,desc) char MSGSTRFIELD(__LINE__) [sizeof (name) + sizeof (desc)];
92 #include "optflags-def.h"
95 #define OPTFLAG(id,shift,name,desc) name "\0" desc,
96 #include "optflags-def.h"
99 static const gint16 opt_names [] = {
100 #define OPTFLAG(id,shift,name,desc) [(shift)] = offsetof (struct msgstr_t, MSGSTRFIELD(__LINE__)),
101 #include "optflags-def.h"
105 #define optflag_get_name(id) ((const char*)&opstr + opt_names [(id)])
106 #define optflag_get_desc(id) (optflag_get_name(id) + 1 + strlen (optflag_get_name(id)))
108 #else /* !HAVE_ARRAY_ELEM_INIT */
114 #define OPTFLAG(id,shift,name,desc) {name,desc},
117 #include "optflags-def.h"
120 #define optflag_get_name(id) (opt_names [(id)].name)
121 #define optflag_get_desc(id) (opt_names [(id)].desc)
126 opt_funcs [sizeof (int) * 8] = {
130 #ifdef __native_client__
131 extern char *nacl_mono_path;
134 #define DEFAULT_OPTIMIZATIONS ( \
135 MONO_OPT_PEEPHOLE | \
138 MONO_OPT_CONSPROP | \
139 MONO_OPT_COPYPROP | \
145 MONO_OPT_EXCEPTION | \
149 MONO_OPT_ALIAS_ANALYSIS | \
152 #define EXCLUDED_FROM_ALL (MONO_OPT_SHARED | MONO_OPT_PRECOMP | MONO_OPT_UNSAFE | MONO_OPT_GSHAREDVT | MONO_OPT_FLOAT32)
155 parse_optimizations (guint32 opt, const char* p, gboolean cpu_opts)
161 /* Initialize the hwcap module if necessary. */
164 /* call out to cpu detection code here that sets the defaults ... */
166 opt |= mono_arch_cpu_optimizations (&exclude);
179 for (i = 0; i < G_N_ELEMENTS (opt_names) && optflag_get_name (i); ++i) {
180 n = optflag_get_name (i);
182 if (strncmp (p, n, len) == 0) {
191 } else if (*p == '=') {
195 while (*p && *p++ != ',');
202 if (i == G_N_ELEMENTS (opt_names) || !optflag_get_name (i)) {
203 if (strncmp (p, "all", 3) == 0) {
207 opt = ~(EXCLUDED_FROM_ALL | exclude);
212 fprintf (stderr, "Invalid optimization name `%s'\n", p);
221 parse_debug_options (const char* p)
223 MonoDebugOptions *opt = mini_get_debug_options ();
227 fprintf (stderr, "Syntax error; expected debug option name\n");
231 if (!strncmp (p, "casts", 5)) {
232 opt->better_cast_details = TRUE;
234 } else if (!strncmp (p, "mdb-optimizations", 17)) {
235 opt->mdb_optimizations = TRUE;
237 } else if (!strncmp (p, "gdb", 3)) {
241 fprintf (stderr, "Invalid debug option `%s', use --help-debug for details\n", p);
248 fprintf (stderr, "Syntax error; expected debug option name\n");
259 const char desc [18];
260 MonoGraphOptions value;
263 static const GraphName
265 {"cfg", "Control Flow", MONO_GRAPH_CFG},
266 {"dtree", "Dominator Tree", MONO_GRAPH_DTREE},
267 {"code", "CFG showing code", MONO_GRAPH_CFG_CODE},
268 {"ssa", "CFG after SSA", MONO_GRAPH_CFG_SSA},
269 {"optc", "CFG after IR opts", MONO_GRAPH_CFG_OPTCODE}
272 static MonoGraphOptions
273 mono_parse_graph_options (const char* p)
278 for (i = 0; i < G_N_ELEMENTS (graph_names); ++i) {
279 n = graph_names [i].name;
281 if (strncmp (p, n, len) == 0)
282 return graph_names [i].value;
285 fprintf (stderr, "Invalid graph name provided: %s\n", p);
290 mono_parse_default_optimizations (const char* p)
294 opt = parse_optimizations (DEFAULT_OPTIMIZATIONS, p, TRUE);
299 mono_opt_descr (guint32 flags) {
300 GString *str = g_string_new ("");
304 for (i = 0; i < G_N_ELEMENTS (opt_names); ++i) {
305 if (flags & (1 << i) && optflag_get_name (i)) {
307 g_string_append_c (str, ',');
308 g_string_append (str, optflag_get_name (i));
312 return g_string_free (str, FALSE);
322 MONO_OPT_ALIAS_ANALYSIS,
323 #ifdef MONO_ARCH_SIMD_INTRINSICS
326 MONO_OPT_SIMD | MONO_OPT_SSE2,
328 MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_INTRINS,
329 MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_INTRINS | MONO_OPT_ALIAS_ANALYSIS,
330 MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS,
331 MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS | MONO_OPT_COPYPROP,
332 MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS | MONO_OPT_CFOLD,
333 MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP | MONO_OPT_DEADCE,
334 MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP | MONO_OPT_DEADCE | MONO_OPT_ALIAS_ANALYSIS,
335 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,
336 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,
337 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,
338 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,
339 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,
340 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,
341 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,
342 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,
343 DEFAULT_OPTIMIZATIONS,
346 typedef int (*TestMethod) (void);
350 domain_dump_native_code (MonoDomain *domain) {
351 // need to poke into the domain, move to metadata/domain.c
352 // need to empty jit_info_table and code_mp
357 mini_regression_step (MonoImage *image, int verbose, int *total_run, int *total,
359 GTimer *timer, MonoDomain *domain)
361 int result, expected, failed, cfailed, run, code_size;
363 double elapsed, comp_time, start_time;
367 mono_set_defaults (verbose, opt_flags);
368 n = mono_opt_descr (opt_flags);
369 g_print ("Test run: image=%s, opts=%s\n", mono_image_get_filename (image), n);
371 cfailed = failed = run = code_size = 0;
372 comp_time = elapsed = 0.0;
374 /* fixme: ugly hack - delete all previously compiled methods */
375 if (domain_jit_info (domain)) {
376 g_hash_table_destroy (domain_jit_info (domain)->jit_trampoline_hash);
377 domain_jit_info (domain)->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
378 mono_internal_hash_table_destroy (&(domain->jit_code_hash));
379 mono_jit_code_hash_init (&(domain->jit_code_hash));
382 g_timer_start (timer);
384 fprintf (mini_stats_fd, "[");
385 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
387 MonoMethod *method = mono_get_method_checked (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL, NULL, &error);
389 mono_error_cleanup (&error); /* FIXME don't swallow the error */
392 if (strncmp (method->name, "test_", 5) == 0) {
395 expected = atoi (method->name + 5);
397 start_time = g_timer_elapsed (timer, NULL);
398 comp_time -= start_time;
399 cfg = mini_method_compile (method, mono_get_optimizations_for_method (method, opt_flags), mono_get_root_domain (), JIT_FLAG_RUN_CCTORS, 0, -1);
400 comp_time += g_timer_elapsed (timer, NULL);
401 if (cfg->exception_type == MONO_EXCEPTION_NONE) {
403 g_print ("Running '%s' ...\n", method->name);
404 #ifdef MONO_USE_AOT_COMPILER
406 func = (TestMethod)mono_aot_get_method_checked (mono_get_root_domain (), method, &error);
407 mono_error_cleanup (&error);
409 func = (TestMethod)(gpointer)cfg->native_code;
411 func = (TestMethod)(gpointer)cfg->native_code;
413 func = (TestMethod)mono_create_ftnptr (mono_get_root_domain (), func);
415 if (result != expected) {
417 g_print ("Test '%s' failed result (got %d, expected %d).\n", method->name, result, expected);
419 code_size += cfg->code_len;
420 mono_destroy_compile (cfg);
424 g_print ("Test '%s' failed compilation.\n", method->name);
427 fprintf (mini_stats_fd, "%f, ",
428 g_timer_elapsed (timer, NULL) - start_time);
432 fprintf (mini_stats_fd, "],\n");
433 g_timer_stop (timer);
434 elapsed = g_timer_elapsed (timer, NULL);
435 if (failed > 0 || cfailed > 0){
436 g_print ("Results: total tests: %d, failed: %d, cfailed: %d (pass: %.2f%%)\n",
437 run, failed, cfailed, 100.0*(run-failed-cfailed)/run);
439 g_print ("Results: total tests: %d, all pass \n", run);
442 g_print ("Elapsed time: %f secs (%f, %f), Code size: %d\n\n", elapsed,
443 elapsed - comp_time, comp_time, code_size);
444 *total += failed + cfailed;
449 mini_regression (MonoImage *image, int verbose, int *total_run)
454 GTimer *timer = g_timer_new ();
455 MonoDomain *domain = mono_domain_get ();
459 /* Note: mono_hwcap_init () called in mono_init () before we get here. */
460 mono_arch_cpu_optimizations (&exclude);
463 fprintf (mini_stats_fd, "$stattitle = \'Mono Benchmark Results (various optimizations)\';\n");
465 fprintf (mini_stats_fd, "$graph->set_legend(qw(");
466 for (opt = 0; opt < G_N_ELEMENTS (opt_sets); opt++) {
467 guint32 opt_flags = opt_sets [opt];
468 n = mono_opt_descr (opt_flags);
472 fprintf (mini_stats_fd, " ");
473 fprintf (mini_stats_fd, "%s", n);
477 fprintf (mini_stats_fd, "));\n");
479 fprintf (mini_stats_fd, "@data = (\n");
480 fprintf (mini_stats_fd, "[");
483 /* load the metadata */
484 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
486 method = mono_get_method_checked (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL, NULL, &error);
488 mono_error_cleanup (&error);
491 mono_class_init (method->klass);
493 if (!strncmp (method->name, "test_", 5) && mini_stats_fd) {
494 fprintf (mini_stats_fd, "\"%s\",", method->name);
498 fprintf (mini_stats_fd, "],\n");
503 if (mono_do_single_method_regression) {
506 mini_regression_step (image, verbose, total_run, &total,
511 g_print ("Single method regression: %d methods\n", g_slist_length (mono_single_method_list));
513 for (iter = mono_single_method_list; iter; iter = g_slist_next (iter)) {
516 mono_current_single_method = (MonoMethod *)iter->data;
518 method_name = mono_method_full_name (mono_current_single_method, TRUE);
519 g_print ("Current single method: %s\n", method_name);
520 g_free (method_name);
522 mini_regression_step (image, verbose, total_run, &total,
529 for (opt = 0; opt < G_N_ELEMENTS (opt_sets); ++opt) {
530 mini_regression_step (image, verbose, total_run, &total,
531 opt_sets [opt] & ~exclude,
537 fprintf (mini_stats_fd, ");\n");
538 fflush (mini_stats_fd);
541 g_timer_destroy (timer);
546 mini_regression_list (int verbose, int count, char *images [])
548 int i, total, total_run, run;
551 total_run = total = 0;
552 for (i = 0; i < count; ++i) {
553 ass = mono_assembly_open (images [i], NULL);
555 g_warning ("failed to load assembly: %s", images [i]);
558 total += mini_regression (mono_assembly_get_image (ass), verbose, &run);
562 g_print ("Overall results: tests: %d, failed: %d, opt combinations: %d (pass: %.2f%%)\n",
563 total_run, total, (int)G_N_ELEMENTS (opt_sets), 100.0*(total_run-total)/total_run);
565 g_print ("Overall results: tests: %d, 100%% pass, opt combinations: %d\n",
566 total_run, (int)G_N_ELEMENTS (opt_sets));
572 #ifdef MONO_JIT_INFO_TABLE_TEST
573 typedef struct _JitInfoData
578 struct _JitInfoData *next;
598 static int num_threads;
599 static ThreadData *thread_datas;
600 static MonoDomain *test_domain;
603 alloc_random_data (Region *region)
616 data = ®ion->data;
617 pos = random () % (region->num_datas + 1);
619 while (*data != NULL) {
623 data = &(*data)->next;
627 g_assert (*data == region->data);
629 g_assert (prev->next == *data);
632 prev_end = region->start;
634 prev_end = prev->start + prev->length;
637 next_start = region->start + region->length;
639 next_start = (*data)->start;
641 g_assert (prev_end <= next_start);
643 max_len = next_start - prev_end;
645 if (++num_retries >= 10)
652 d = g_new0 (JitInfoData, 1);
653 d->start = prev_end + random () % (max_len / 2);
654 d->length = random () % MIN (max_len, next_start - d->start) + 1;
656 g_assert (d->start >= prev_end && d->start + d->length <= next_start);
658 d->ji = g_new0 (MonoJitInfo, 1);
659 d->ji->d.method = (MonoMethod*) 0xABadBabe;
660 d->ji->code_start = (gpointer)(gulong) d->start;
661 d->ji->code_size = d->length;
662 d->ji->cas_inited = 1; /* marks an allocated jit info */
673 choose_random_data (Region *region)
679 g_assert (region->num_datas > 0);
681 n = random () % region->num_datas;
683 for (d = ®ion->data, i = 0;
685 d = &(*d)->next, ++i)
692 choose_random_region (ThreadData *td)
694 return &td->regions [random () % td->num_regions];
698 choose_random_thread (void)
700 return &thread_datas [random () % num_threads];
704 free_jit_info_data (ThreadData *td, JitInfoData *free)
706 free->next = td->frees;
709 if (++td->num_frees >= 1000) {
712 for (i = 0; i < 500; ++i)
715 while (free->next != NULL) {
716 JitInfoData *next = free->next->next;
718 //g_free (free->next->ji);
727 #define NUM_THREADS 8
728 #define REGIONS_PER_THREAD 10
729 #define REGION_SIZE 0x10000
731 #define MAX_ADDR (REGION_SIZE * REGIONS_PER_THREAD * NUM_THREADS)
737 test_thread_func (ThreadData *td)
739 int mode = MODE_ALLOC;
741 gulong lookup_successes = 0, lookup_failures = 0;
742 MonoDomain *domain = test_domain;
743 int thread_num = (int)(td - thread_datas);
744 gboolean modify_thread = thread_num < NUM_THREADS / 2; /* only half of the threads modify the table */
750 if (td->num_datas == 0) {
753 } else if (modify_thread && random () % 1000 < 5) {
755 if (mode == MODE_ALLOC)
756 alloc = (random () % 100) < 70;
757 else if (mode == MODE_FREE)
758 alloc = (random () % 100) < 30;
762 /* modify threads sometimes look up their own jit infos */
763 if (modify_thread && random () % 10 < 5) {
764 Region *region = choose_random_region (td);
766 if (region->num_datas > 0) {
767 JitInfoData **data = choose_random_data (region);
768 guint pos = (*data)->start + random () % (*data)->length;
771 ji = mono_jit_info_table_find (domain, (char*)(gulong) pos);
773 g_assert (ji->cas_inited);
774 g_assert ((*data)->ji == ji);
777 int pos = random () % MAX_ADDR;
778 char *addr = (char*)(gulong) pos;
781 ji = mono_jit_info_table_find (domain, addr);
784 * FIXME: We are actually not allowed
785 * to do this. By the time we examine
786 * the ji another thread might already
790 g_assert (addr >= (char*)ji->code_start && addr < (char*)ji->code_start + ji->code_size);
796 JitInfoData *data = alloc_random_data (choose_random_region (td));
799 mono_jit_info_table_add (domain, data->ji);
804 Region *region = choose_random_region (td);
806 if (region->num_datas > 0) {
807 JitInfoData **data = choose_random_data (region);
810 mono_jit_info_table_remove (domain, (*data)->ji);
812 //(*data)->ji->cas_inited = 0; /* marks a free jit info */
815 *data = (*data)->next;
817 free_jit_info_data (td, free);
824 if (++i % 100000 == 0) {
826 g_print ("num datas %d (%ld - %ld): %d", (int)(td - thread_datas),
827 lookup_successes, lookup_failures, td->num_datas);
828 for (j = 0; j < td->num_regions; ++j)
829 g_print (" %d", td->regions [j].num_datas);
833 if (td->num_datas < 100)
835 else if (td->num_datas > 2000)
842 small_id_thread_func (gpointer arg)
844 MonoThread *thread = mono_thread_current ();
845 MonoThreadHazardPointers *hp = mono_hazard_pointer_get ();
847 g_print ("my small id is %d\n", (int)thread->small_id);
848 mono_hazard_pointer_clear (hp, 1);
850 g_print ("done %d\n", (int)thread->small_id);
855 jit_info_table_test (MonoDomain *domain)
860 g_print ("testing jit_info_table\n");
862 num_threads = NUM_THREADS;
863 thread_datas = g_new0 (ThreadData, num_threads);
865 for (i = 0; i < num_threads; ++i) {
868 thread_datas [i].num_regions = REGIONS_PER_THREAD;
869 thread_datas [i].regions = g_new0 (Region, REGIONS_PER_THREAD);
871 for (j = 0; j < REGIONS_PER_THREAD; ++j) {
872 thread_datas [i].regions [j].start = (num_threads * j + i) * REGION_SIZE;
873 thread_datas [i].regions [j].length = REGION_SIZE;
877 test_domain = domain;
880 for (i = 0; i < 72; ++i)
881 mono_thread_create (domain, small_id_thread_func, NULL);
886 for (i = 0; i < num_threads; ++i) {
887 mono_thread_create_checked (domain, test_thread_func, &thread_datas [i], &error);
888 mono_error_assert_ok (&error);
896 DO_SINGLE_METHOD_REGRESSION,
903 typedef struct CompileAllThreadArgs {
907 guint32 recompilation_times;
908 } CompileAllThreadArgs;
911 compile_all_methods_thread_main_inner (CompileAllThreadArgs *args)
913 MonoAssembly *ass = args->ass;
914 int verbose = args->verbose;
915 MonoImage *image = mono_assembly_get_image (ass);
918 int i, count = 0, fail_count = 0;
920 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
922 guint32 token = MONO_TOKEN_METHOD_DEF | (i + 1);
923 MonoMethodSignature *sig;
925 if (mono_metadata_has_generic_params (image, token))
928 method = mono_get_method_checked (image, token, NULL, NULL, &error);
930 mono_error_cleanup (&error); /* FIXME don't swallow the error */
933 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
934 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
935 (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) ||
936 (method->flags & METHOD_ATTRIBUTE_ABSTRACT))
939 if (mono_class_is_gtd (method->klass))
941 sig = mono_method_signature (method);
943 char * desc = mono_method_full_name (method, TRUE);
944 g_print ("Could not retrieve method signature for %s\n", desc);
950 if (sig->has_type_parameters)
955 char * desc = mono_method_full_name (method, TRUE);
956 g_print ("Compiling %d %s\n", count, desc);
959 cfg = mini_method_compile (method, mono_get_optimizations_for_method (method, args->opts), mono_get_root_domain (), (JitFlags)JIT_FLAG_DISCARD_RESULTS, 0, -1);
960 if (cfg->exception_type != MONO_EXCEPTION_NONE) {
961 printf ("Compilation of %s failed with exception '%s':\n", mono_method_full_name (cfg->method, TRUE), cfg->exception_message);
964 mono_destroy_compile (cfg);
972 compile_all_methods_thread_main (CompileAllThreadArgs *args)
975 for (i = 0; i < args->recompilation_times; ++i)
976 compile_all_methods_thread_main_inner (args);
980 compile_all_methods (MonoAssembly *ass, int verbose, guint32 opts, guint32 recompilation_times)
983 CompileAllThreadArgs args;
986 args.verbose = verbose;
988 args.recompilation_times = recompilation_times;
991 * Need to create a mono thread since compilation might trigger
992 * running of managed code.
994 mono_thread_create_checked (mono_domain_get (), compile_all_methods_thread_main, &args, &error);
995 mono_error_assert_ok (&error);
997 mono_thread_manage ();
1002 * @assembly: reference to an assembly
1003 * @argc: argument count
1004 * @argv: argument vector
1006 * Start execution of a program.
1009 mono_jit_exec (MonoDomain *domain, MonoAssembly *assembly, int argc, char *argv[])
1012 MonoImage *image = mono_assembly_get_image (assembly);
1014 guint32 entry = mono_image_get_entry_point (image);
1017 g_print ("Assembly '%s' doesn't have an entry point.\n", mono_image_get_filename (image));
1018 /* FIXME: remove this silly requirement. */
1019 mono_environment_exitcode_set (1);
1023 method = mono_get_method_checked (image, entry, NULL, NULL, &error);
1024 if (method == NULL){
1025 g_print ("The entry point method could not be loaded due to %s\n", mono_error_get_message (&error));
1026 mono_error_cleanup (&error);
1027 mono_environment_exitcode_set (1);
1031 if (mono_llvm_only) {
1032 MonoObject *exc = NULL;
1035 res = mono_runtime_try_run_main (method, argc, argv, &exc);
1037 mono_unhandled_exception (exc);
1038 mono_invoke_unhandled_exception_hook (exc);
1039 g_assert_not_reached ();
1043 int res = mono_runtime_run_main_checked (method, argc, argv, &error);
1044 if (!is_ok (&error)) {
1045 MonoException *ex = mono_error_convert_to_exception (&error);
1047 mono_unhandled_exception (&ex->object);
1048 mono_invoke_unhandled_exception_hook (&ex->object);
1049 g_assert_not_reached ();
1066 static void main_thread_handler (gpointer user_data)
1068 MainThreadArgs *main_args = (MainThreadArgs *)user_data;
1069 MonoAssembly *assembly;
1071 if (mono_compile_aot) {
1074 /* Treat the other arguments as assemblies to compile too */
1075 for (i = 0; i < main_args->argc; ++i) {
1076 assembly = mono_domain_assembly_open (main_args->domain, main_args->argv [i]);
1078 fprintf (stderr, "Can not open image %s\n", main_args->argv [i]);
1081 /* Check that the assembly loaded matches the filename */
1083 MonoImageOpenStatus status;
1086 img = mono_image_open (main_args->argv [i], &status);
1087 if (img && strcmp (img->name, assembly->image->name)) {
1088 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);
1092 res = mono_compile_assembly (assembly, main_args->opts, main_args->aot_options);
1094 fprintf (stderr, "AOT of image %s failed.\n", main_args->argv [i]);
1099 assembly = mono_domain_assembly_open (main_args->domain, main_args->file);
1101 fprintf (stderr, "Can not open image %s\n", main_args->file);
1106 * This must be done in a thread managed by mono since it can invoke
1109 if (main_args->opts & MONO_OPT_PRECOMP)
1110 mono_precompile_assemblies ();
1112 mono_jit_exec (main_args->domain, assembly, main_args->argc, main_args->argv);
1117 load_agent (MonoDomain *domain, char *desc)
1120 char* col = strchr (desc, ':');
1122 MonoAssembly *agent_assembly;
1126 MonoArray *main_args;
1128 MonoImageOpenStatus open_status;
1131 agent = (char *)g_memdup (desc, col - desc + 1);
1132 agent [col - desc] = '\0';
1135 agent = g_strdup (desc);
1139 agent_assembly = mono_assembly_open (agent, &open_status);
1140 if (!agent_assembly) {
1141 fprintf (stderr, "Cannot open agent assembly '%s': %s.\n", agent, mono_image_strerror (open_status));
1147 * Can't use mono_jit_exec (), as it sets things which might confuse the
1150 image = mono_assembly_get_image (agent_assembly);
1151 entry = mono_image_get_entry_point (image);
1153 g_print ("Assembly '%s' doesn't have an entry point.\n", mono_image_get_filename (image));
1158 method = mono_get_method_checked (image, entry, NULL, NULL, &error);
1159 if (method == NULL){
1160 g_print ("The entry point method of assembly '%s' could not be loaded due to %s\n", agent, mono_error_get_message (&error));
1161 mono_error_cleanup (&error);
1166 mono_thread_set_main (mono_thread_current ());
1169 main_args = (MonoArray*)mono_array_new_checked (domain, mono_defaults.string_class, 1, &error);
1171 mono_array_set (main_args, MonoString*, 0, mono_string_new (domain, args));
1173 main_args = (MonoArray*)mono_array_new_checked (domain, mono_defaults.string_class, 0, &error);
1176 g_print ("Could not allocate array for main args of assembly '%s' due to %s\n", agent, mono_error_get_message (&error));
1177 mono_error_cleanup (&error);
1184 /* Pass NULL as 'exc' so unhandled exceptions abort the runtime */
1185 mono_runtime_invoke_checked (method, NULL, pa, &error);
1186 if (!is_ok (&error)) {
1187 g_print ("The entry point method of assembly '%s' could not execute due to %s\n", agent, mono_error_get_message (&error));
1188 mono_error_cleanup (&error);
1198 mini_usage_jitdeveloper (void)
1203 "Runtime and JIT debugging options:\n"
1204 " --breakonex Inserts a breakpoint on exceptions\n"
1205 " --break METHOD Inserts a breakpoint at METHOD entry\n"
1206 " --break-at-bb METHOD N Inserts a breakpoint in METHOD at BB N\n"
1207 " --compile METHOD Just compile METHOD in assembly\n"
1208 " --compile-all=N Compiles all the methods in the assembly multiple times (default: 1)\n"
1209 " --ncompile N Number of times to compile METHOD (default: 1)\n"
1210 " --print-vtable Print the vtable of all used classes\n"
1211 " --regression Runs the regression test contained in the assembly\n"
1212 " --single-method=OPTS Runs regressions with only one method optimized with OPTS at any time\n"
1213 " --statfile FILE Sets the stat file to FILE\n"
1214 " --stats Print statistics about the JIT operations\n"
1215 " --wapi=hps|semdel|seminfo IO-layer maintenance\n"
1216 " --inject-async-exc METHOD OFFSET Inject an asynchronous exception at METHOD\n"
1217 " --verify-all Run the verifier on all assemblies and methods\n"
1218 " --full-aot Avoid JITting any code\n"
1219 " --llvmonly Use LLVM compiled code only\n"
1220 " --agent=ASSEMBLY[:ARG] Loads the specific agent assembly and executes its Main method with the given argument before loading the main assembly.\n"
1221 " --no-x86-stack-align Don't align stack on x86\n"
1223 "The options supported by MONO_DEBUG can also be passed on the command line.\n"
1226 " --graph[=TYPE] METHOD Draws a graph of the specified method:\n");
1228 for (i = 0; i < G_N_ELEMENTS (graph_names); ++i) {
1229 fprintf (stdout, " %-10s %s\n", graph_names [i].name, graph_names [i].desc);
1234 mini_usage_list_opt (void)
1238 for (i = 0; i < G_N_ELEMENTS (opt_names); ++i)
1239 fprintf (stdout, " %-10s %s\n", optflag_get_name (i), optflag_get_desc (i));
1246 "Usage is: mono [options] program [program-options]\n"
1249 " --aot[=<options>] Compiles the assembly to native code\n"
1250 " --debug[=<options>] Enable debugging support, use --help-debug for details\n"
1251 " --debugger-agent=options Enable the debugger agent\n"
1252 " --profile[=profiler] Runs in profiling mode with the specified profiler module\n"
1253 " --trace[=EXPR] Enable tracing, use --help-trace for details\n"
1254 " --jitmap Output a jit method map to /tmp/perf-PID.map\n"
1255 " --help-devel Shows more options available to developers\n"
1258 " --config FILE Loads FILE as the Mono config\n"
1259 " --verbose, -v Increases the verbosity level\n"
1260 " --help, -h Show usage information\n"
1261 " --version, -V Show version information\n"
1262 " --runtime=VERSION Use the VERSION runtime, instead of autodetecting\n"
1263 " --optimize=OPT Turns on or off a specific optimization\n"
1264 " Use --list-opt to get a list of optimizations\n"
1265 #ifndef DISABLE_SECURITY
1266 " --security[=mode] Turns on the unsupported security manager (off by default)\n"
1267 " mode is one of cas, core-clr, verifiable or validil\n"
1269 " --attach=OPTIONS Pass OPTIONS to the attach agent in the runtime.\n"
1270 " Currently the only supported option is 'disable'.\n"
1271 " --llvm, --nollvm Controls whenever the runtime uses LLVM to compile code.\n"
1272 " --gc=[sgen,boehm] Select SGen or Boehm GC (runs mono or mono-sgen)\n"
1274 " --arch=[32,64] Select architecture (runs mono32 or mono64)\n"
1277 " --mixed-mode Enable mixed-mode image support.\n"
1279 " --handlers Install custom handlers, use --help-handlers for details.\n"
1280 " --aot-path=PATH List of additional directories to search for AOT images.\n"
1285 mini_trace_usage (void)
1288 "Tracing options:\n"
1289 " --trace[=EXPR] Trace every call, optional EXPR controls the scope\n"
1291 "EXPR is composed of:\n"
1292 " all All assemblies\n"
1293 " none No assemblies\n"
1294 " program Entry point assembly\n"
1295 " assembly Specifies an assembly\n"
1296 " wrapper All wrappers bridging native and managed code\n"
1297 " M:Type:Method Specifies a method\n"
1298 " N:Namespace Specifies a namespace\n"
1299 " T:Type Specifies a type\n"
1300 " E:Type Specifies stack traces for an exception type\n"
1301 " EXPR Includes expression\n"
1302 " -EXPR Excludes expression\n"
1303 " EXPR,EXPR Multiple expressions\n"
1304 " disabled Don't print any output until toggled via SIGUSR2\n");
1308 mini_debug_usage (void)
1311 "Debugging options:\n"
1312 " --debug[=OPTIONS] Enable debugging support, optional OPTIONS is a comma\n"
1313 " separated list of options\n"
1315 "OPTIONS is composed of:\n"
1316 " casts Enable more detailed InvalidCastException messages.\n"
1317 " mdb-optimizations Disable some JIT optimizations which are normally\n"
1318 " disabled when running inside the debugger.\n"
1319 " This is useful if you plan to attach to the running\n"
1320 " process with the debugger.\n");
1323 #if defined(MONO_ARCH_ARCHITECTURE)
1324 /* Redefine MONO_ARCHITECTURE to include more information */
1325 #undef MONO_ARCHITECTURE
1326 #define MONO_ARCHITECTURE MONO_ARCH_ARCHITECTURE
1329 static const char info[] =
1330 #ifdef HAVE_KW_THREAD
1334 #endif /* HAVE_KW_THREAD */
1335 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
1336 "\tSIGSEGV: altstack\n"
1338 "\tSIGSEGV: normal\n"
1341 "\tNotifications: epoll\n"
1342 #elif defined(HAVE_KQUEUE)
1343 "\tNotification: kqueue\n"
1345 "\tNotification: Thread + polling\n"
1347 "\tArchitecture: " MONO_ARCHITECTURE "\n"
1348 "\tDisabled: " DISABLED_FEATURES "\n"
1350 #ifdef MONO_SMALL_CONFIG
1353 #ifdef MONO_BIG_ARRAYS
1356 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && !defined(DISABLE_SOFT_DEBUG)
1360 #ifdef MONO_ARCH_LLVM_SUPPORTED
1362 "\tLLVM: yes(" LLVM_VERSION ")\n"
1364 "\tLLVM: supported, not enabled.\n"
1369 #ifndef MONO_ARCH_AOT_SUPPORTED
1370 #define error_if_aot_unsupported() do {fprintf (stderr, "AOT compilation is not supported on this platform.\n"); exit (1);} while (0)
1372 #define error_if_aot_unsupported()
1375 static gboolean enable_debugging;
1378 * mono_jit_parse_options:
1380 * Process the command line options in ARGV as done by the runtime executable.
1381 * This should be called before mono_jit_init ().
1384 mono_jit_parse_options (int argc, char * argv[])
1387 char *trace_options = NULL;
1388 int mini_verbose = 0;
1392 * Some options have no effect here, since they influence the behavior of
1396 opt = mono_parse_default_optimizations (NULL);
1398 /* FIXME: Avoid code duplication */
1399 for (i = 0; i < argc; ++i) {
1400 if (argv [i] [0] != '-')
1402 if (strncmp (argv [i], "--debugger-agent=", 17) == 0) {
1403 MonoDebugOptions *opt = mini_get_debug_options ();
1405 mono_debugger_agent_parse_options (argv [i] + 17);
1406 opt->mdb_optimizations = TRUE;
1407 enable_debugging = TRUE;
1408 } else if (!strcmp (argv [i], "--soft-breakpoints")) {
1409 MonoDebugOptions *opt = mini_get_debug_options ();
1411 opt->soft_breakpoints = TRUE;
1412 opt->explicit_null_checks = TRUE;
1413 } else if (strncmp (argv [i], "--optimize=", 11) == 0) {
1414 opt = parse_optimizations (opt, argv [i] + 11, TRUE);
1415 mono_set_optimizations (opt);
1416 } else if (strncmp (argv [i], "-O=", 3) == 0) {
1417 opt = parse_optimizations (opt, argv [i] + 3, TRUE);
1418 mono_set_optimizations (opt);
1419 } else if (strcmp (argv [i], "--trace") == 0) {
1420 trace_options = (char*)"";
1421 } else if (strncmp (argv [i], "--trace=", 8) == 0) {
1422 trace_options = &argv [i][8];
1423 } else if (strcmp (argv [i], "--verbose") == 0 || strcmp (argv [i], "-v") == 0) {
1425 } else if (strcmp (argv [i], "--breakonex") == 0) {
1426 MonoDebugOptions *opt = mini_get_debug_options ();
1428 opt->break_on_exc = TRUE;
1429 } else if (strcmp (argv [i], "--stats") == 0) {
1430 mono_counters_enable (-1);
1431 mono_stats.enabled = TRUE;
1432 mono_jit_stats.enabled = TRUE;
1433 } else if (strcmp (argv [i], "--break") == 0) {
1435 fprintf (stderr, "Missing method name in --break command line option\n");
1439 if (!mono_debugger_insert_breakpoint (argv [++i], FALSE))
1440 fprintf (stderr, "Error: invalid method name '%s'\n", argv [i]);
1441 } else if (strncmp (argv[i], "--gc-params=", 12) == 0) {
1442 mono_gc_params_set (argv[i] + 12);
1443 } else if (strncmp (argv[i], "--gc-debug=", 11) == 0) {
1444 mono_gc_debug_set (argv[i] + 11);
1445 } else if (strcmp (argv [i], "--llvm") == 0) {
1446 #ifndef MONO_ARCH_LLVM_SUPPORTED
1447 fprintf (stderr, "Mono Warning: --llvm not supported on this platform.\n");
1448 #elif !defined(ENABLE_LLVM)
1449 fprintf (stderr, "Mono Warning: --llvm not enabled in this runtime.\n");
1451 mono_use_llvm = TRUE;
1453 } else if (argv [i][0] == '-' && argv [i][1] == '-' && mini_parse_debug_option (argv [i] + 2)) {
1455 fprintf (stderr, "Unsupported command line option: '%s'\n", argv [i]);
1460 if (trace_options != NULL) {
1462 * Need to call this before mini_init () so we can trace methods
1463 * compiled there too.
1465 mono_jit_trace_calls = mono_trace_parse_options (trace_options);
1466 if (mono_jit_trace_calls == NULL)
1471 mono_set_verbose_level (mini_verbose);
1475 mono_set_use_smp (int use_smp)
1477 #if HAVE_SCHED_SETAFFINITY
1479 unsigned long proc_mask = 1;
1480 #ifdef GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY
1481 sched_setaffinity (getpid(), (gpointer)&proc_mask);
1483 sched_setaffinity (getpid(), sizeof (unsigned long), (const cpu_set_t *)&proc_mask);
1490 switch_gc (char* argv[], const char* target_gc)
1494 if (!strcmp (mono_gc_get_gc_name (), target_gc)) {
1498 path = g_string_new (argv [0]);
1500 /*Running mono without any argument*/
1501 if (strstr (argv [0], "-sgen"))
1502 g_string_truncate (path, path->len - 5);
1503 else if (strstr (argv [0], "-boehm"))
1504 g_string_truncate (path, path->len - 6);
1506 g_string_append_c (path, '-');
1507 g_string_append (path, target_gc);
1510 execvp (path->str, argv);
1511 fprintf (stderr, "Error: Failed to switch to %s gc. mono-%s is not installed.\n", target_gc, target_gc);
1513 fprintf (stderr, "Error: --gc=<NAME> option not supported on this platform.\n");
1520 * tries to increase the minimum number of files, if the number is below 1024
1523 darwin_change_default_file_handles ()
1525 struct rlimit limit;
1527 if (getrlimit (RLIMIT_NOFILE, &limit) == 0){
1528 if (limit.rlim_cur < 1024){
1529 limit.rlim_cur = MAX(1024,limit.rlim_cur);
1530 setrlimit (RLIMIT_NOFILE, &limit);
1536 switch_arch (char* argv[], const char* target_arch)
1541 if ((strcmp (target_arch, "32") == 0 && strcmp (MONO_ARCHITECTURE, "x86") == 0) ||
1542 (strcmp (target_arch, "64") == 0 && strcmp (MONO_ARCHITECTURE, "amd64") == 0)) {
1543 return; /* matching arch loaded */
1546 path = g_string_new (argv [0]);
1547 arch_offset = path->len -2; /* last two characters */
1549 /* Remove arch suffix if present */
1550 if (strstr (&path->str[arch_offset], "32") || strstr (&path->str[arch_offset], "64")) {
1551 g_string_truncate (path, arch_offset);
1554 g_string_append (path, target_arch);
1556 if (execvp (path->str, argv) < 0) {
1557 fprintf (stderr, "Error: --arch=%s Failed to switch to '%s'.\n", target_arch, path->str);
1564 #define MONO_HANDLERS_ARGUMENT "--handlers="
1565 #define MONO_HANDLERS_ARGUMENT_LEN G_N_ELEMENTS(MONO_HANDLERS_ARGUMENT)-1
1569 * @argc: number of arguments in the argv array
1570 * @argv: array of strings containing the startup arguments
1572 * Launches the Mono JIT engine and parses all the command line options
1573 * in the same way that the mono command line VM would.
1576 mono_main (int argc, char* argv[])
1578 MainThreadArgs main_args;
1579 MonoAssembly *assembly;
1580 MonoMethodDesc *desc;
1584 MonoImageOpenStatus open_status;
1585 const char* aname, *mname = NULL;
1586 char *config_file = NULL;
1588 guint32 opt, action = DO_EXEC, recompilation_times = 1;
1589 MonoGraphOptions mono_graph_options = (MonoGraphOptions)0;
1590 int mini_verbose = 0;
1591 gboolean enable_profile = FALSE;
1592 char *trace_options = NULL;
1593 char *profile_options = NULL;
1594 char *aot_options = NULL;
1595 char *forced_version = NULL;
1596 GPtrArray *agents = NULL;
1597 char *attach_options = NULL;
1598 #ifdef MONO_JIT_INFO_TABLE_TEST
1599 int test_jit_info_table = FALSE;
1602 int mixed_mode = FALSE;
1604 #ifdef __native_client__
1605 gboolean nacl_null_checks_off = FALSE;
1610 /* stdout defaults to block buffering if it's not writing to a terminal, which
1611 * happens with our test harness: we redirect stdout to capture it. Force line
1612 * buffering in all cases. */
1613 setlinebuf (stdout);
1617 setlocale (LC_ALL, "");
1620 darwin_change_default_file_handles ();
1623 if (g_getenv ("MONO_NO_SMP"))
1624 mono_set_use_smp (FALSE);
1626 g_log_set_always_fatal (G_LOG_LEVEL_ERROR);
1627 g_log_set_fatal_mask (G_LOG_DOMAIN, G_LOG_LEVEL_ERROR);
1629 opt = mono_parse_default_optimizations (NULL);
1631 for (i = 1; i < argc; ++i) {
1632 if (argv [i] [0] != '-')
1634 if (strcmp (argv [i], "--regression") == 0) {
1635 action = DO_REGRESSION;
1636 } else if (strncmp (argv [i], "--single-method=", 16) == 0) {
1637 char *full_opts = g_strdup_printf ("-all,%s", argv [i] + 16);
1638 action = DO_SINGLE_METHOD_REGRESSION;
1639 mono_single_method_regression_opt = parse_optimizations (opt, full_opts, TRUE);
1641 } else if (strcmp (argv [i], "--verbose") == 0 || strcmp (argv [i], "-v") == 0) {
1643 } else if (strcmp (argv [i], "--version") == 0 || strcmp (argv [i], "-V") == 0) {
1644 char *build = mono_get_runtime_build_info ();
1647 g_print ("Mono JIT compiler version %s\nCopyright (C) 2002-2014 Novell, Inc, Xamarin Inc and Contributors. www.mono-project.com\n", build);
1650 gc_descr = mono_gc_get_description ();
1651 g_print ("\tGC: %s\n", gc_descr);
1654 } else if (strcmp (argv [i], "--help") == 0 || strcmp (argv [i], "-h") == 0) {
1657 } else if (strcmp (argv [i], "--help-trace") == 0){
1658 mini_trace_usage ();
1660 } else if (strcmp (argv [i], "--help-devel") == 0){
1661 mini_usage_jitdeveloper ();
1663 } else if (strcmp (argv [i], "--help-debug") == 0){
1664 mini_debug_usage ();
1666 } else if (strcmp (argv [i], "--list-opt") == 0){
1667 mini_usage_list_opt ();
1669 } else if (strncmp (argv [i], "--statfile", 10) == 0) {
1671 fprintf (stderr, "error: --statfile requires a filename argument\n");
1674 mini_stats_fd = fopen (argv [++i], "w+");
1675 } else if (strncmp (argv [i], "--optimize=", 11) == 0) {
1676 opt = parse_optimizations (opt, argv [i] + 11, TRUE);
1677 } else if (strncmp (argv [i], "-O=", 3) == 0) {
1678 opt = parse_optimizations (opt, argv [i] + 3, TRUE);
1679 } else if (strncmp (argv [i], "--bisect=", 9) == 0) {
1680 char *param = argv [i] + 9;
1681 char *sep = strchr (param, ':');
1683 fprintf (stderr, "Error: --bisect requires OPT:FILENAME\n");
1686 char *opt_string = g_strndup (param, sep - param);
1687 guint32 opt = parse_optimizations (0, opt_string, FALSE);
1688 g_free (opt_string);
1689 mono_set_bisect_methods (opt, sep + 1);
1690 } else if (strcmp (argv [i], "--gc=sgen") == 0) {
1691 switch_gc (argv, "sgen");
1692 } else if (strcmp (argv [i], "--gc=boehm") == 0) {
1693 switch_gc (argv, "boehm");
1694 } else if (strncmp (argv[i], "--gc-params=", 12) == 0) {
1695 mono_gc_params_set (argv[i] + 12);
1696 } else if (strncmp (argv[i], "--gc-debug=", 11) == 0) {
1697 mono_gc_debug_set (argv[i] + 11);
1700 else if (strcmp (argv [i], "--arch=32") == 0) {
1701 switch_arch (argv, "32");
1702 } else if (strcmp (argv [i], "--arch=64") == 0) {
1703 switch_arch (argv, "64");
1706 else if (strcmp (argv [i], "--config") == 0) {
1708 fprintf (stderr, "error: --config requires a filename argument\n");
1711 config_file = argv [++i];
1713 } else if (strcmp (argv [i], "--mixed-mode") == 0) {
1716 } else if (strcmp (argv [i], "--ncompile") == 0) {
1718 fprintf (stderr, "error: --ncompile requires an argument\n");
1721 count = atoi (argv [++i]);
1723 } else if (strcmp (argv [i], "--trace") == 0) {
1724 trace_options = (char*)"";
1725 } else if (strncmp (argv [i], "--trace=", 8) == 0) {
1726 trace_options = &argv [i][8];
1727 } else if (strcmp (argv [i], "--breakonex") == 0) {
1728 MonoDebugOptions *opt = mini_get_debug_options ();
1730 opt->break_on_exc = TRUE;
1731 } else if (strcmp (argv [i], "--break") == 0) {
1733 fprintf (stderr, "Missing method name in --break command line option\n");
1737 if (!mono_debugger_insert_breakpoint (argv [++i], FALSE))
1738 fprintf (stderr, "Error: invalid method name '%s'\n", argv [i]);
1739 } else if (strcmp (argv [i], "--break-at-bb") == 0) {
1740 if (i + 2 >= argc) {
1741 fprintf (stderr, "Missing method name or bb num in --break-at-bb command line option.");
1744 mono_break_at_bb_method = mono_method_desc_new (argv [++i], TRUE);
1745 if (mono_break_at_bb_method == NULL) {
1746 fprintf (stderr, "Method name is in a bad format in --break-at-bb command line option.");
1749 mono_break_at_bb_bb_num = atoi (argv [++i]);
1750 } else if (strcmp (argv [i], "--inject-async-exc") == 0) {
1751 if (i + 2 >= argc) {
1752 fprintf (stderr, "Missing method name or position in --inject-async-exc command line option\n");
1755 mono_inject_async_exc_method = mono_method_desc_new (argv [++i], TRUE);
1756 if (mono_inject_async_exc_method == NULL) {
1757 fprintf (stderr, "Method name is in a bad format in --inject-async-exc command line option\n");
1760 mono_inject_async_exc_pos = atoi (argv [++i]);
1761 } else if (strcmp (argv [i], "--verify-all") == 0) {
1762 mono_verifier_enable_verify_all ();
1763 } else if (strcmp (argv [i], "--full-aot") == 0) {
1764 mono_jit_set_aot_mode (MONO_AOT_MODE_FULL);
1765 } else if (strcmp (argv [i], "--llvmonly") == 0) {
1766 mono_jit_set_aot_mode (MONO_AOT_MODE_LLVMONLY);
1767 } else if (strcmp (argv [i], "--hybrid-aot") == 0) {
1768 mono_jit_set_aot_mode (MONO_AOT_MODE_HYBRID);
1769 } else if (strcmp (argv [i], "--print-vtable") == 0) {
1770 mono_print_vtable = TRUE;
1771 } else if (strcmp (argv [i], "--stats") == 0) {
1772 mono_counters_enable (-1);
1773 mono_stats.enabled = TRUE;
1774 mono_jit_stats.enabled = TRUE;
1776 } else if (strcmp (argv [i], "--aot") == 0) {
1777 error_if_aot_unsupported ();
1778 mono_compile_aot = TRUE;
1779 } else if (strncmp (argv [i], "--aot=", 6) == 0) {
1780 error_if_aot_unsupported ();
1781 mono_compile_aot = TRUE;
1782 aot_options = &argv [i][6];
1784 } else if (strncmp (argv [i], "--aot-path=", 11) == 0) {
1787 splitted = g_strsplit (argv [i] + 11, G_SEARCHPATH_SEPARATOR_S, 1000);
1789 char *tmp = *splitted;
1790 mono_aot_paths = g_list_append (mono_aot_paths, g_strdup (tmp));
1794 } else if (strncmp (argv [i], "--compile-all=", 14) == 0) {
1795 action = DO_COMPILE;
1796 recompilation_times = atoi (argv [i] + 14);
1797 } else if (strcmp (argv [i], "--compile-all") == 0) {
1798 action = DO_COMPILE;
1799 } else if (strncmp (argv [i], "--runtime=", 10) == 0) {
1800 forced_version = &argv [i][10];
1801 } else if (strcmp (argv [i], "--jitmap") == 0) {
1802 mono_enable_jit_map ();
1803 } else if (strcmp (argv [i], "--profile") == 0) {
1804 enable_profile = TRUE;
1805 profile_options = NULL;
1806 } else if (strncmp (argv [i], "--profile=", 10) == 0) {
1807 enable_profile = TRUE;
1808 profile_options = argv [i] + 10;
1809 } else if (strncmp (argv [i], "--agent=", 8) == 0) {
1811 agents = g_ptr_array_new ();
1812 g_ptr_array_add (agents, argv [i] + 8);
1813 } else if (strncmp (argv [i], "--attach=", 9) == 0) {
1814 attach_options = argv [i] + 9;
1815 } else if (strcmp (argv [i], "--compile") == 0) {
1817 fprintf (stderr, "error: --compile option requires a method name argument\n");
1823 } else if (strncmp (argv [i], "--graph=", 8) == 0) {
1825 fprintf (stderr, "error: --graph option requires a method name argument\n");
1829 mono_graph_options = mono_parse_graph_options (argv [i] + 8);
1832 } else if (strcmp (argv [i], "--graph") == 0) {
1834 fprintf (stderr, "error: --graph option requires a method name argument\n");
1839 mono_graph_options = MONO_GRAPH_CFG;
1841 } else if (strcmp (argv [i], "--debug") == 0) {
1842 enable_debugging = TRUE;
1843 } else if (strncmp (argv [i], "--debug=", 8) == 0) {
1844 enable_debugging = TRUE;
1845 if (!parse_debug_options (argv [i] + 8))
1847 } else if (strncmp (argv [i], "--debugger-agent=", 17) == 0) {
1848 MonoDebugOptions *opt = mini_get_debug_options ();
1850 mono_debugger_agent_parse_options (argv [i] + 17);
1851 opt->mdb_optimizations = TRUE;
1852 enable_debugging = TRUE;
1853 } else if (strcmp (argv [i], "--security") == 0) {
1854 #ifndef DISABLE_SECURITY
1855 mono_verifier_set_mode (MONO_VERIFIER_MODE_VERIFIABLE);
1857 fprintf (stderr, "error: --security: not compiled with security manager support");
1860 } else if (strncmp (argv [i], "--security=", 11) == 0) {
1861 /* Note: validil, and verifiable need to be
1862 accepted even if DISABLE_SECURITY is defined. */
1864 if (strcmp (argv [i] + 11, "core-clr") == 0) {
1865 #ifndef DISABLE_SECURITY
1866 mono_verifier_set_mode (MONO_VERIFIER_MODE_VERIFIABLE);
1867 mono_security_set_mode (MONO_SECURITY_MODE_CORE_CLR);
1869 fprintf (stderr, "error: --security: not compiled with CoreCLR support");
1872 } else if (strcmp (argv [i] + 11, "core-clr-test") == 0) {
1873 #ifndef DISABLE_SECURITY
1874 /* fixme should we enable verifiable code here?*/
1875 mono_security_set_mode (MONO_SECURITY_MODE_CORE_CLR);
1876 mono_security_core_clr_test = TRUE;
1878 fprintf (stderr, "error: --security: not compiled with CoreCLR support");
1881 } else if (strcmp (argv [i] + 11, "cas") == 0) {
1882 #ifndef DISABLE_SECURITY
1883 fprintf (stderr, "warning: --security=cas not supported.");
1885 fprintf (stderr, "error: --security: not compiled with CAS support");
1888 } else if (strcmp (argv [i] + 11, "validil") == 0) {
1889 mono_verifier_set_mode (MONO_VERIFIER_MODE_VALID);
1890 } else if (strcmp (argv [i] + 11, "verifiable") == 0) {
1891 mono_verifier_set_mode (MONO_VERIFIER_MODE_VERIFIABLE);
1893 fprintf (stderr, "error: --security= option has invalid argument (cas, core-clr, verifiable or validil)\n");
1896 } else if (strcmp (argv [i], "--desktop") == 0) {
1897 mono_gc_set_desktop_mode ();
1898 /* Put more desktop-specific optimizations here */
1899 } else if (strcmp (argv [i], "--server") == 0){
1900 mono_config_set_server_mode (TRUE);
1901 /* Put more server-specific optimizations here */
1902 } else if (strcmp (argv [i], "--inside-mdb") == 0) {
1903 action = DO_DEBUGGER;
1904 } else if (strncmp (argv [i], "--wapi=", 7) == 0) {
1905 fprintf (stderr, "--wapi= option no longer supported\n.");
1907 } else if (strcmp (argv [i], "--no-x86-stack-align") == 0) {
1908 mono_do_x86_stack_align = FALSE;
1909 #ifdef MONO_JIT_INFO_TABLE_TEST
1910 } else if (strcmp (argv [i], "--test-jit-info-table") == 0) {
1911 test_jit_info_table = TRUE;
1913 } else if (strcmp (argv [i], "--llvm") == 0) {
1914 #ifndef MONO_ARCH_LLVM_SUPPORTED
1915 fprintf (stderr, "Mono Warning: --llvm not supported on this platform.\n");
1916 #elif !defined(ENABLE_LLVM)
1917 fprintf (stderr, "Mono Warning: --llvm not enabled in this runtime.\n");
1919 mono_use_llvm = TRUE;
1921 } else if (strcmp (argv [i], "--nollvm") == 0){
1922 mono_use_llvm = FALSE;
1923 #ifdef ENABLE_INTERPRETER
1924 } else if (strcmp (argv [i], "--interpreter") == 0) {
1925 mono_use_interpreter = TRUE;
1928 #ifdef __native_client__
1929 } else if (strcmp (argv [i], "--nacl-mono-path") == 0){
1930 nacl_mono_path = g_strdup(argv[++i]);
1931 } else if (strcmp (argv [i], "--nacl-null-checks-off") == 0){
1932 nacl_null_checks_off = TRUE;
1934 } else if (strncmp (argv [i], MONO_HANDLERS_ARGUMENT, MONO_HANDLERS_ARGUMENT_LEN) == 0) {
1935 //Install specific custom handlers.
1936 if (!mono_runtime_install_custom_handlers (argv[i] + MONO_HANDLERS_ARGUMENT_LEN)) {
1937 fprintf (stderr, "error: " MONO_HANDLERS_ARGUMENT ", one or more unknown handlers: '%s'\n", argv [i]);
1940 } else if (strcmp (argv [i], "--help-handlers") == 0) {
1941 mono_runtime_install_custom_handlers_usage ();
1943 } else if (argv [i][0] == '-' && argv [i][1] == '-' && mini_parse_debug_option (argv [i] + 2)) {
1945 fprintf (stderr, "Unknown command line option: '%s'\n", argv [i]);
1950 #ifdef __native_client_codegen__
1951 if (!nacl_null_checks_off) {
1952 MonoDebugOptions *opt = mini_get_debug_options ();
1953 opt->explicit_null_checks = TRUE;
1957 #if defined(DISABLE_HW_TRAPS) || defined(MONO_ARCH_DISABLE_HW_TRAPS)
1958 // Signal handlers not available
1960 MonoDebugOptions *opt = mini_get_debug_options ();
1961 opt->explicit_null_checks = TRUE;
1970 #if !defined(HOST_WIN32) && defined(HAVE_UNISTD_H)
1972 * If we are not embedded, use the mono runtime executable to run managed exe's.
1977 runtime_path = mono_w32process_get_path (getpid ());
1979 mono_w32process_set_cli_launcher (runtime_path);
1980 g_free (runtime_path);
1985 if (g_getenv ("MONO_XDEBUG"))
1986 enable_debugging = TRUE;
1988 #ifdef MONO_CROSS_COMPILE
1989 if (!mono_compile_aot) {
1990 fprintf (stderr, "This mono runtime is compiled for cross-compiling. Only the --aot option is supported.\n");
1993 #if SIZEOF_VOID_P == 8 && (defined(TARGET_ARM) || defined(TARGET_X86))
1994 fprintf (stderr, "Can't cross-compile on 64-bit platforms to 32-bit architecture.\n");
1996 #elif SIZEOF_VOID_P == 4 && (defined(TARGET_ARM64) || defined(TARGET_AMD64))
1997 fprintf (stderr, "Can't cross-compile on 32-bit platforms to 64-bit architecture.\n");
2002 if (mono_compile_aot || action == DO_EXEC || action == DO_DEBUGGER) {
2003 g_set_prgname (argv[i]);
2006 mono_counters_init ();
2009 mono_w32handle_init ();
2012 /* Set rootdir before loading config */
2013 mono_set_rootdir ();
2015 if (enable_profile) {
2016 mini_profiler_enable_with_options (profile_options);
2019 mono_attach_parse_options (attach_options);
2021 if (trace_options != NULL){
2023 * Need to call this before mini_init () so we can trace methods
2024 * compiled there too.
2026 mono_jit_trace_calls = mono_trace_parse_options (trace_options);
2027 if (mono_jit_trace_calls == NULL)
2032 if (!mono_aot_only) {
2033 fprintf (stderr, "This runtime has been configured with --enable-minimal=jit, so the --full-aot command line option is required.\n");
2038 if (action == DO_DEBUGGER) {
2039 enable_debugging = TRUE;
2040 g_print ("The Mono Debugger is no longer supported.\n");
2042 } else if (enable_debugging)
2043 mono_debug_init (MONO_DEBUG_FORMAT_MONO);
2047 mono_load_coree (argv [i]);
2050 /* Parse gac loading options before loading assemblies. */
2051 if (mono_compile_aot || action == DO_EXEC || action == DO_DEBUGGER) {
2052 mono_config_parse (config_file);
2055 mono_set_defaults (mini_verbose, opt);
2056 #if ENABLE_INTERPRETER
2057 if (mono_use_interpreter)
2058 domain = mono_interp_init (argv [i]);
2061 domain = mini_init (argv [i], forced_version);
2063 mono_gc_set_stack_end (&domain);
2068 for (i = 0; i < agents->len; ++i) {
2069 int res = load_agent (domain, (char*)g_ptr_array_index (agents, i));
2071 g_ptr_array_free (agents, TRUE);
2072 mini_cleanup (domain);
2077 g_ptr_array_free (agents, TRUE);
2081 case DO_SINGLE_METHOD_REGRESSION:
2082 mono_do_single_method_regression = TRUE;
2084 #ifdef ENABLE_INTERPRETER
2085 if (mono_use_interpreter) {
2086 if (interp_regression_list (2, argc -i, argv + i)) {
2087 g_print ("Regression ERRORS!\n");
2088 // mini_cleanup (domain);
2091 // mini_cleanup (domain);
2095 if (mini_regression_list (mini_verbose, argc -i, argv + i)) {
2096 g_print ("Regression ERRORS!\n");
2097 mini_cleanup (domain);
2100 mini_cleanup (domain);
2103 if (argc - i != 1 || mname == NULL) {
2104 g_print ("Usage: mini --ncompile num --compile method assembly\n");
2105 mini_cleanup (domain);
2111 if (argc - i != 1) {
2113 mini_cleanup (domain);
2119 if (argc - i != 1 || mname == NULL) {
2121 mini_cleanup (domain);
2127 #ifdef ENABLE_INTERPRETER
2128 if (mono_use_interpreter)
2129 g_error ("not yet");
2133 mini_cleanup (domain);
2140 #ifdef MONO_JIT_INFO_TABLE_TEST
2141 if (test_jit_info_table)
2142 jit_info_table_test (domain);
2145 assembly = mono_assembly_open (aname, &open_status);
2147 fprintf (stderr, "Cannot open assembly '%s': %s.\n", aname, mono_image_strerror (open_status));
2148 mini_cleanup (domain);
2152 if (trace_options != NULL)
2153 mono_trace_set_assembly (assembly);
2155 if (mono_compile_aot || action == DO_EXEC) {
2158 //mono_set_rootdir ();
2160 error = mono_check_corlib_version ();
2162 fprintf (stderr, "Corlib not in sync with this runtime: %s\n", error);
2163 fprintf (stderr, "Loaded from: %s\n",
2164 mono_defaults.corlib? mono_image_get_filename (mono_defaults.corlib): "unknown");
2165 fprintf (stderr, "Download a newer corlib or a newer runtime at http://www.mono-project.com/download.\n");
2169 #if defined(HOST_WIN32) && G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT)
2170 /* Detach console when executing IMAGE_SUBSYSTEM_WINDOWS_GUI on win32 */
2171 if (!enable_debugging && !mono_compile_aot && ((MonoCLIImageInfo*)(mono_assembly_get_image (assembly)->image_info))->cli_header.nt.pe_subsys_required == IMAGE_SUBSYSTEM_WINDOWS_GUI)
2175 main_args.domain = domain;
2176 main_args.file = aname;
2177 main_args.argc = argc - i;
2178 main_args.argv = argv + i;
2179 main_args.opts = opt;
2180 main_args.aot_options = aot_options;
2181 #if RUN_IN_SUBTHREAD
2182 mono_runtime_exec_managed_code (domain, main_thread_handler, &main_args);
2184 main_thread_handler (&main_args);
2185 mono_thread_manage ();
2188 mini_cleanup (domain);
2190 /* Look up return value from System.Environment.ExitCode */
2191 i = mono_environment_exitcode_get ();
2193 } else if (action == DO_COMPILE) {
2194 compile_all_methods (assembly, mini_verbose, opt, recompilation_times);
2195 mini_cleanup (domain);
2197 } else if (action == DO_DEBUGGER) {
2200 desc = mono_method_desc_new (mname, 0);
2202 g_print ("Invalid method name %s\n", mname);
2203 mini_cleanup (domain);
2206 method = mono_method_desc_search_in_image (desc, mono_assembly_get_image (assembly));
2208 g_print ("Cannot find method %s\n", mname);
2209 mini_cleanup (domain);
2214 if (action == DO_DRAW) {
2217 switch (mono_graph_options) {
2218 case MONO_GRAPH_DTREE:
2220 opt |= MONO_OPT_LOOP;
2222 case MONO_GRAPH_CFG_CODE:
2225 case MONO_GRAPH_CFG_SSA:
2228 case MONO_GRAPH_CFG_OPTCODE:
2235 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
2236 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
2238 nm = mono_marshal_get_native_wrapper (method, TRUE, FALSE);
2239 cfg = mini_method_compile (nm, opt, mono_get_root_domain (), (JitFlags)0, part, -1);
2242 cfg = mini_method_compile (method, opt, mono_get_root_domain (), (JitFlags)0, part, -1);
2243 if ((mono_graph_options & MONO_GRAPH_CFG_SSA) && !(cfg->comp_done & MONO_COMP_SSA)) {
2244 g_warning ("no SSA info available (use -O=deadce)");
2247 mono_draw_graph (cfg, mono_graph_options);
2248 mono_destroy_compile (cfg);
2250 } else if (action == DO_BENCH) {
2251 if (mini_stats_fd) {
2253 double no_opt_time = 0.0;
2254 GTimer *timer = g_timer_new ();
2255 fprintf (mini_stats_fd, "$stattitle = \'Compilations times for %s\';\n",
2256 mono_method_full_name (method, TRUE));
2257 fprintf (mini_stats_fd, "@data = (\n");
2258 fprintf (mini_stats_fd, "[");
2259 for (i = 0; i < G_N_ELEMENTS (opt_sets); i++) {
2261 n = mono_opt_descr (opt);
2264 fprintf (mini_stats_fd, "\"%s\",", n);
2266 fprintf (mini_stats_fd, "],\n[");
2268 for (i = 0; i < G_N_ELEMENTS (opt_sets); i++) {
2272 g_timer_start (timer);
2273 for (j = 0; j < count; ++j) {
2274 cfg = mini_method_compile (method, opt, mono_get_root_domain (), (JitFlags)0, 0, -1);
2275 mono_destroy_compile (cfg);
2277 g_timer_stop (timer);
2278 elapsed = g_timer_elapsed (timer, NULL);
2280 no_opt_time = elapsed;
2281 fprintf (mini_stats_fd, "%f, ", elapsed);
2283 fprintf (mini_stats_fd, "]");
2284 if (no_opt_time > 0.0) {
2285 fprintf (mini_stats_fd, ", \n[");
2286 for (i = 0; i < G_N_ELEMENTS (opt_sets); i++)
2287 fprintf (mini_stats_fd, "%f,", no_opt_time);
2288 fprintf (mini_stats_fd, "]");
2290 fprintf (mini_stats_fd, ");\n");
2292 for (i = 0; i < count; ++i) {
2293 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
2294 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
2295 method = mono_marshal_get_native_wrapper (method, TRUE, FALSE);
2297 cfg = mini_method_compile (method, opt, mono_get_root_domain (), (JitFlags)0, 0, -1);
2298 mono_destroy_compile (cfg);
2302 cfg = mini_method_compile (method, opt, mono_get_root_domain (), (JitFlags)0, 0, -1);
2303 mono_destroy_compile (cfg);
2307 mini_cleanup (domain);
2312 mono_jit_init (const char *file)
2314 return mini_init (file, NULL);
2318 * mono_jit_init_version:
2319 * @domain_name: the name of the root domain
2320 * @runtime_version: the version of the runtime to load
2322 * Use this version when you want to force a particular runtime
2323 * version to be used. By default Mono will pick the runtime that is
2324 * referenced by the initial assembly (specified in @file), this
2325 * routine allows programmers to specify the actual runtime to be used
2326 * as the initial runtime is inherited by all future assemblies loaded
2327 * (since Mono does not support having more than one mscorlib runtime
2330 * The @runtime_version can be one of these strings: "v4.0.30319" for
2331 * desktop, "mobile" for mobile or "moonlight" for Silverlight compat.
2332 * If an unrecognized string is input, the vm will default to desktop.
2334 * Returns: the MonoDomain representing the domain where the assembly
2338 mono_jit_init_version (const char *domain_name, const char *runtime_version)
2340 return mini_init (domain_name, runtime_version);
2344 mono_jit_cleanup (MonoDomain *domain)
2346 mono_thread_manage ();
2348 mini_cleanup (domain);
2352 mono_jit_set_aot_only (gboolean val)
2354 mono_aot_only = val;
2358 mono_jit_set_aot_mode (MonoAotMode mode)
2360 /* we don't want to set mono_aot_mode twice */
2361 g_assert (mono_aot_mode == MONO_AOT_MODE_NONE);
2362 mono_aot_mode = mode;
2364 if (mono_aot_mode == MONO_AOT_MODE_LLVMONLY) {
2365 mono_aot_only = TRUE;
2366 mono_llvm_only = TRUE;
2368 if (mono_aot_mode == MONO_AOT_MODE_FULL) {
2369 mono_aot_only = TRUE;
2371 if (mono_aot_mode == MONO_AOT_MODE_HYBRID) {
2372 mono_set_generic_sharing_vt_supported (TRUE);
2373 mono_set_partial_sharing_supported (TRUE);
2378 * mono_jit_set_trace_options:
2379 * @options: string representing the trace options
2381 * Set the options of the tracing engine. This function can be called before initializing
2382 * the mono runtime. See the --trace mono(1) manpage for the options format.
2384 * Returns: #TRUE if the options where parsed and set correctly, #FALSE otherwise.
2387 mono_jit_set_trace_options (const char* options)
2389 MonoTraceSpec *trace_opt = mono_trace_parse_options (options);
2390 if (trace_opt == NULL)
2392 mono_jit_trace_calls = trace_opt;
2397 * mono_set_signal_chaining:
2399 * Enable/disable signal chaining. This should be called before mono_jit_init ().
2400 * If signal chaining is enabled, the runtime saves the original signal handlers before
2401 * installing its own handlers, and calls the original ones in the following cases:
2402 * - a SIGSEGV/SIGABRT signal received while executing native (i.e. not JITted) code.
2407 * Signal chaining only works on POSIX platforms.
2410 mono_set_signal_chaining (gboolean chain_signals)
2412 mono_do_signal_chaining = chain_signals;
2416 * mono_set_crash_chaining:
2418 * Enable/disable crash chaining due to signals. When a fatal signal is delivered and
2419 * Mono doesn't know how to handle it, it will invoke the crash handler. If chrash chaining
2420 * is enabled, it will first print its crash information and then try to chain with the native handler.
2423 mono_set_crash_chaining (gboolean chain_crashes)
2425 mono_do_crash_chaining = chain_crashes;
2429 * mono_parse_options_from:
2430 * @options: string containing strings
2431 * @ref_argc: pointer to the argc variable that might be updated
2432 * @ref_argv: pointer to the argv string vector variable that might be updated
2434 * This function parses the contents of the `MONO_ENV_OPTIONS`
2435 * environment variable as if they were parsed by a command shell
2436 * splitting the contents by spaces into different elements of the
2437 * @argv vector. This method supports quoting with both the " and '
2438 * characters. Inside quoting, spaces and tabs are significant,
2439 * otherwise, they are considered argument separators.
2441 * The \ character can be used to escape the next character which will
2442 * be added to the current element verbatim. Typically this is used
2443 * inside quotes. If the quotes are not balanced, this method
2445 * If the environment variable is empty, no changes are made
2446 * to the values pointed by @ref_argc and @ref_argv.
2448 * Otherwise the @ref_argv is modified to point to a new array that contains
2449 * all the previous elements contained in the vector, plus the values parsed.
2450 * The @argc is updated to match the new number of parameters.
2452 * Returns: The value NULL is returned on success, otherwise a g_strdup allocated
2453 * string is returned (this is an alias to malloc under normal circumstances) that
2454 * contains the error message that happened during parsing.
2457 mono_parse_options_from (const char *options, int *ref_argc, char **ref_argv [])
2459 int argc = *ref_argc;
2460 char **argv = *ref_argv;
2461 GPtrArray *array = g_ptr_array_new ();
2462 GString *buffer = g_string_new ("");
2465 gboolean in_quotes = FALSE;
2466 char quote_char = '\0';
2468 if (options == NULL)
2471 for (p = options; *p; p++){
2473 case ' ': case '\t':
2475 if (buffer->len != 0){
2476 g_ptr_array_add (array, g_strdup (buffer->str));
2477 g_string_truncate (buffer, 0);
2480 g_string_append_c (buffer, *p);
2485 g_string_append_c (buffer, p [1]);
2492 if (quote_char == *p)
2495 g_string_append_c (buffer, *p);
2502 g_string_append_c (buffer, *p);
2507 return g_strdup_printf ("Unmatched quotes in value: [%s]\n", options);
2509 if (buffer->len != 0)
2510 g_ptr_array_add (array, g_strdup (buffer->str));
2511 g_string_free (buffer, TRUE);
2513 if (array->len > 0){
2514 int new_argc = array->len + argc;
2515 char **new_argv = g_new (char *, new_argc + 1);
2518 new_argv [0] = argv [0];
2520 /* First the environment variable settings, to allow the command line options to override */
2521 for (i = 0; i < array->len; i++)
2522 new_argv [i+1] = (char *)g_ptr_array_index (array, i);
2524 for (j = 1; j < argc; j++)
2525 new_argv [i++] = argv [j];
2526 new_argv [i] = NULL;
2528 *ref_argc = new_argc;
2529 *ref_argv = new_argv;
2531 g_ptr_array_free (array, TRUE);
2536 * mono_parse_env_options:
2537 * @ref_argc: pointer to the argc variable that might be updated
2538 * @ref_argv: pointer to the argv string vector variable that might be updated
2540 * This function parses the contents of the `MONO_ENV_OPTIONS`
2541 * environment variable as if they were parsed by a command shell
2542 * splitting the contents by spaces into different elements of the
2543 * @argv vector. This method supports quoting with both the " and '
2544 * characters. Inside quoting, spaces and tabs are significant,
2545 * otherwise, they are considered argument separators.
2547 * The \ character can be used to escape the next character which will
2548 * be added to the current element verbatim. Typically this is used
2549 * inside quotes. If the quotes are not balanced, this method
2551 * If the environment variable is empty, no changes are made
2552 * to the values pointed by @ref_argc and @ref_argv.
2554 * Otherwise the @ref_argv is modified to point to a new array that contains
2555 * all the previous elements contained in the vector, plus the values parsed.
2556 * The @argc is updated to match the new number of parameters.
2558 * If there is an error parsing, this method will terminate the process by
2561 * An alternative to this method that allows an arbitrary string to be parsed
2562 * and does not exit on error is the `api:mono_parse_options_from`.
2565 mono_parse_env_options (int *ref_argc, char **ref_argv [])
2569 const char *env_options = g_getenv ("MONO_ENV_OPTIONS");
2570 if (env_options == NULL)
2572 ret = mono_parse_options_from (env_options, ref_argc, ref_argv);
2575 fprintf (stderr, "%s", ret);