This repository has been archived by the owner on Sep 15, 2021. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 30
/
jato.c
1254 lines (1026 loc) · 35.7 KB
/
jato.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*
* jato - Java JIT compiler and VM
* Copyright (C) 2009 Vegard Nossum <[email protected]>
*
* This file is released under the 2-clause BSD license. Please refer to the
* file LICENSE for details.
*/
#include <sys/utsname.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <signal.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <ctype.h>
#include <errno.h>
#include <regex.h>
#include <stdio.h>
#include <time.h>
#include "valgrind/valgrind.h"
#include "cafebabe/access.h"
#include "cafebabe/attribute_info.h"
#include "cafebabe/class.h"
#include "cafebabe/constant_pool.h"
#include "cafebabe/error.h"
#include "cafebabe/field_info.h"
#include "cafebabe/method_info.h"
#include "cafebabe/stream.h"
#include "runtime/stack-walker.h"
#include "runtime/runtime.h"
#include "jit/llvm/core.h"
#include "jit/compiler.h"
#include "jit/cu-mapping.h"
#include "jit/gdb.h"
#include "jit/exception.h"
#include "jit/inline-cache.h"
#include "jit/perf-map.h"
#include "jit/debug.h"
#include "jit/text.h"
#include "lib/options.h"
#include "lib/string.h"
#include "lib/parse.h"
#include "lib/list.h"
#include "vm/fault-inject.h"
#include "vm/verifier.h"
#include "vm/classloader.h"
#include "vm/stack-trace.h"
#include "vm/reflection.h"
#include "vm/natives.h"
#include "vm/preload.h"
#include "vm/version.h"
#include "vm/interp.h"
#include "vm/itable.h"
#include "vm/method.h"
#include "vm/object.h"
#include "vm/reference.h"
#include "vm/signal.h"
#include "vm/static.h"
#include "vm/string.h"
#include "vm/system.h"
#include "vm/thread.h"
#include "vm/class.h"
#include "vm/call.h"
#include "vm/utf8.h"
#include "vm/jar.h"
#include "vm/jni.h"
#include "vm/gc.h"
#include "vm/vm.h"
#include "vm/java-version.h"
#include "arch/init.h"
#include "runtime/gnu_java_lang_management_VMThreadMXBeanImpl.h"
#include "runtime/java_lang_reflect_VMMethod.h"
#include "runtime/java_lang_reflect_VMField.h"
#include "runtime/java_lang_VMClassLoader.h"
#include "runtime/java_lang_VMString.h"
#include "runtime/java_lang_VMSystem.h"
#include "runtime/java_lang_VMThread.h"
#include "runtime/java_lang_VMClass.h"
#include "runtime/sun_misc_Unsafe.h"
static const char *bootclasspath_append;
static bool dump_maps;
static bool perf_enabled;
static char *program_name;
/* Arguments passed to the main class. */
static unsigned int nr_java_args;
static char **java_args;
static bool use_system_classloader = true;
/*
* Enable SSA optimizations.
*/
bool opt_ssa_enable;
static bool opt_interp_only;
/*
* Enable LLVM backend:
*/
bool opt_llvm_enable;
/*
* Be noisy in the LLVM backend:
*/
bool opt_llvm_verbose;
/*
* Enable JIT workarounds for valgrind.
*/
bool running_on_valgrind;
static void vm_atexit(void)
{
classloader_destroy();
if (opt_llvm_enable)
llvm_exit();
}
static void __attribute__((noreturn)) vm_exit(int status)
{
clear_exception();
vm_call_method(vm_java_lang_System_exit, status);
if (exception_occurred())
vm_print_exception(exception_occurred());
error("System.exit() returned");
}
static void vm_properties_set_property(struct vm_object *p,
const char *key, const char *value)
{
struct vm_object *(*trampoline)(struct vm_object *,
struct vm_object *, struct vm_object *);
assert(key != NULL);
assert(value != NULL);
trampoline
= vm_method_trampoline_ptr(vm_java_util_Properties_setProperty);
struct vm_object *key_obj = vm_object_alloc_string_from_c(key);
struct vm_object *value_obj = vm_object_alloc_string_from_c(value);
trampoline(p, key_obj, value_obj);
}
struct system_properties_entry {
char *key;
char *value;
struct list_head list_node;
};
static struct list_head system_properties_list;
static struct system_properties_entry *find_system_property(const char *key)
{
struct system_properties_entry *this;
list_for_each_entry(this, &system_properties_list, list_node) {
if (strcmp(this->key, key) == 0)
return this;
}
return NULL;
}
static void add_system_property(char *key, char *value)
{
struct system_properties_entry *ent;
assert(key && value);
ent = find_system_property(key);
if (ent) {
free(ent->value);
free(key);
ent->value = value;
return;
}
ent = malloc(sizeof *ent);
if (!ent)
error("out of memory");
ent->key = key;
ent->value = value;
list_add(&ent->list_node, &system_properties_list);
}
static void add_system_property_const(const char *key, const char *value)
{
char *key_d;
char *value_d;
if (value == NULL)
value = "";
key_d = strdup(key);
value_d = strdup(value);
if (!key_d || !value_d)
error("out of memory");
add_system_property(key_d, value_d);
}
static void system_property_append_path(const char *key, const char *path)
{
struct system_properties_entry *ent;
ent = find_system_property(key);
if (!ent) {
add_system_property_const(key, path);
return;
}
if (asprintf(&ent->value, "%s:%s", ent->value, path) < 0)
error("out of memory");
}
static char *system_property_get(const char *key)
{
struct system_properties_entry *ent;
ent = find_system_property(key);
if (!ent)
return NULL;
return ent->value;
}
struct system_property {
const char *key;
const char *value;
};
static struct system_property system_properties[] = {
{ "java.vm.name", "jato" },
{ "java.vm.vendor", "Pekka Enberg" },
{ "java.vm.vendor.url", "http://www.jatovm.org/" },
{ "java.io.tmpdir", "/tmp" },
{ "java.home", "/usr" },
{ "file.separator", "/" },
{ "path.separator", ":" },
{ "line.separator", "\n" },
{ "java.runtime.name", "GNU Classpath" },
{ "java.version", JAVA_VERSION },
{ "java.vendor", "GNU Classpath" },
{ "java.vendor.url", "http://www.classpath.org/" },
{ "java.vm.specification.version", JAVA_VM_SPEC_VERSION },
{ "java.vm.specification.vendor", "Sun Microsystems, Inc." },
{ "java.vm.specification.name", "Java Virtual Machine Specification"},
{ "java.specification.version", JAVA_SPEC_VERSION },
{ "java.specification.vendor", "Sun Microsystems, Inc." },
{ "java.specification.name", "Java Platform API Specification"},
{ "java.class.version", CLASSFILE_VERSION },
{ "java.compiler", "jato" },
{ "java.ext.dirs", "" },
};
/*
* This sets default values of system properties. It should be called
* before command line arguments are parsed because these properties
* can be overriden by -Dkey=value option.
*/
static void init_system_properties(void)
{
INIT_LIST_HEAD(&system_properties_list);
for (unsigned int i = 0; i < ARRAY_SIZE(system_properties); i++) {
struct system_property *p = &system_properties[i];
add_system_property_const(p->key, p->value);
}
add_system_property_const("java.library.path",
getenv("LD_LIBRARY_PATH"));
char *cwd = get_current_dir_name();
add_system_property_const("user.dir", cwd);
free(cwd);
add_system_property_const("user.name", getenv("USER"));
add_system_property_const("user.home", getenv("HOME"));
struct utsname info;
uname(&info);
add_system_property_const("os.arch", ARCH_NAME);
add_system_property_const("os.name", info.sysname);
add_system_property_const("os.version", info.release);
add_system_property_const("gnu.cpu.endian", "little");
}
static void native_vmsystemproperties_preinit(struct vm_object *p)
{
struct system_properties_entry *this, *t;
list_for_each_entry(this, &system_properties_list, list_node)
vm_properties_set_property(p, this->key, this->value);
/* dealloc system properties list */
list_for_each_entry_safe(this, t, &system_properties_list, list_node) {
free(this->key);
free(this->value);
list_del(&this->list_node);
free(this);
}
}
static void native_vmruntime_println(struct vm_object *message)
{
if (!message) {
printf("null\n");
return;
}
char *cstr = vm_string_to_cstr(message);
if (cstr)
printf("%s\n", cstr);
free(cstr);
}
static struct vm_object *
native_vmobject_clone(struct vm_object *object)
{
if (!object) {
signal_new_exception(vm_java_lang_NullPointerException, NULL);
return NULL;
}
return vm_object_clone(object);
}
static struct vm_object *
native_vmobject_getclass(struct vm_object *object)
{
if (!object) {
signal_new_exception(vm_java_lang_NullPointerException, NULL);
return NULL;
}
assert(object->class);
return object->class->object;
}
static int
native_vmfile_is_directory(struct vm_object *dirpath)
{
char *dirpath_str;
struct stat buf;
if (!dirpath) {
signal_new_exception(vm_java_lang_NullPointerException, NULL);
return false;
}
dirpath_str = vm_string_to_cstr(dirpath);
if (!dirpath_str)
return false;
if (stat(dirpath_str, &buf)) {
free(dirpath_str);
return false;
}
free(dirpath_str);
return S_ISDIR(buf.st_mode);
}
static void
native_vm_throw_null_pointer_exception(void)
{
signal_new_exception(vm_java_lang_NullPointerException, NULL);
}
static void native_vmobject_notify(struct vm_object *obj)
{
vm_object_notify(obj);
if (exception_occurred())
return;
}
static void native_vmobject_notify_all(struct vm_object *obj)
{
vm_object_notify_all(obj);
if (exception_occurred())
return;
}
static void native_vmobject_wait(struct vm_object *object, jlong ms, jint ns)
{
if (ms == 0 && ns == 0)
vm_object_wait(object);
else
vm_object_timed_wait(object, ms, ns);
}
static jint native_atomiclong_vm_supports_cs8(void)
{
return false;
}
static struct vm_native natives[] = {
DEFINE_NATIVE("gnu/java/lang/management/VMThreadMXBeanImpl", "getThreadInfoForId", gnu_java_lang_management_VMThreadMXBeanImpl_getThreadInfoForId),
DEFINE_NATIVE("gnu/classpath/VMStackWalker", "getClassContext", native_vmstackwalker_getclasscontext),
DEFINE_NATIVE("gnu/classpath/VMStackWalker", "getClassLoader", java_lang_VMClass_getClassLoader),
DEFINE_NATIVE("gnu/classpath/VMSystemProperties", "preInit", native_vmsystemproperties_preinit),
DEFINE_NATIVE("jato/internal/VM", "disableFault", native_vm_disable_fault),
DEFINE_NATIVE("jato/internal/VM", "enableFault", native_vm_enable_fault),
DEFINE_NATIVE("jato/internal/VM", "exit", native_vmruntime_exit),
DEFINE_NATIVE("jato/internal/VM", "println", native_vmruntime_println),
DEFINE_NATIVE("jato/internal/VM", "throwNullPointerException", native_vm_throw_null_pointer_exception),
DEFINE_NATIVE("java/lang/reflect/VMArray", "createObjectArray", native_vmarray_createobjectarray),
DEFINE_NATIVE("java/io/VMFile", "isDirectory", native_vmfile_is_directory),
DEFINE_NATIVE("java/lang/VMClass", "forName", java_lang_VMClass_forName),
DEFINE_NATIVE("java/lang/VMClass", "getClassLoader", java_lang_VMClass_getClassLoader),
DEFINE_NATIVE("java/lang/VMClass", "getComponentType", java_lang_VMClass_getComponentType),
DEFINE_NATIVE("java/lang/VMClass", "getDeclaredAnnotations", java_lang_VMClass_getDeclaredAnnotations),
DEFINE_NATIVE("java/lang/VMClass", "getDeclaredClasses", java_lang_VMClass_getDeclaredClasses),
DEFINE_NATIVE("java/lang/VMClass", "getDeclaredConstructors", java_lang_VMClass_getDeclaredConstructors),
DEFINE_NATIVE("java/lang/VMClass", "getDeclaredFields", java_lang_VMClass_getDeclaredFields),
DEFINE_NATIVE("java/lang/VMClass", "getDeclaredMethods", java_lang_VMClass_getDeclaredMethods),
DEFINE_NATIVE("java/lang/VMClass", "getDeclaringClass", java_lang_VMClass_getDeclaringClass),
DEFINE_NATIVE("java/lang/VMClass", "getEnclosingClass", java_lang_VMClass_getEnclosingClass),
DEFINE_NATIVE("java/lang/VMClass", "getInterfaces", java_lang_VMClass_getInterfaces),
DEFINE_NATIVE("java/lang/VMClass", "getModifiers", java_lang_VMClass_getModifiers),
DEFINE_NATIVE("java/lang/VMClass", "getName", java_lang_VMClass_getName),
DEFINE_NATIVE("java/lang/VMClass", "getSuperclass", java_lang_VMClass_getSuperclass),
DEFINE_NATIVE("java/lang/VMClass", "isAnonymousClass", java_lang_VMClass_isAnonymousClass),
DEFINE_NATIVE("java/lang/VMClass", "isArray", java_lang_VMClass_isArray),
DEFINE_NATIVE("java/lang/VMClass", "isAssignableFrom", java_lang_VMClass_isAssignableFrom),
DEFINE_NATIVE("java/lang/VMClass", "isInstance", java_lang_VMClass_isInstance),
DEFINE_NATIVE("java/lang/VMClass", "isInterface", java_lang_VMClass_isInterface),
DEFINE_NATIVE("java/lang/VMClass", "isLocalClass", java_lang_VMClass_isLocalClass),
DEFINE_NATIVE("java/lang/VMClass", "isMemberClass", java_lang_VMClass_isMemberClass),
DEFINE_NATIVE("java/lang/VMClass", "isPrimitive", java_lang_VMClass_isPrimitive),
DEFINE_NATIVE("java/lang/VMClassLoader", "defineClass", java_lang_VMClassLoader_defineClass),
DEFINE_NATIVE("java/lang/VMClassLoader", "findLoadedClass", java_lang_VMClassLoader_findLoadedClass),
DEFINE_NATIVE("java/lang/VMClassLoader", "getPrimitiveClass", java_lang_VMClassLoader_getPrimitiveClass),
DEFINE_NATIVE("java/lang/VMClassLoader", "loadClass", java_lang_VMClassLoader_loadClass),
DEFINE_NATIVE("java/lang/VMClassLoader", "resolveClass", java_lang_VMClassLoader_resolveClass),
DEFINE_NATIVE("java/lang/VMObject", "clone", native_vmobject_clone),
DEFINE_NATIVE("java/lang/VMObject", "getClass", native_vmobject_getclass),
DEFINE_NATIVE("java/lang/VMObject", "notify", native_vmobject_notify),
DEFINE_NATIVE("java/lang/VMObject", "notifyAll", native_vmobject_notify_all),
DEFINE_NATIVE("java/lang/VMObject", "wait", native_vmobject_wait),
DEFINE_NATIVE("java/lang/VMRuntime", "freeMemory", native_vmruntime_free_memory),
DEFINE_NATIVE("java/lang/VMRuntime", "totalMemory", native_vmruntime_total_memory),
DEFINE_NATIVE("java/lang/VMRuntime", "maxMemory", native_vmruntime_max_memory),
DEFINE_NATIVE("java/lang/VMRuntime", "availableProcessors", native_vmruntime_available_processors),
DEFINE_NATIVE("java/lang/VMRuntime", "exit", native_vmruntime_exit),
DEFINE_NATIVE("java/lang/VMRuntime", "gc", native_vmruntime_gc),
DEFINE_NATIVE("java/lang/VMRuntime", "mapLibraryName", native_vmruntime_maplibraryname),
DEFINE_NATIVE("java/lang/VMRuntime", "nativeLoad", native_vmruntime_native_load),
DEFINE_NATIVE("java/lang/VMRuntime", "runFinalizationForExit", native_vmruntime_run_finalization_for_exit),
DEFINE_NATIVE("java/lang/VMRuntime", "runFinalization", java_lang_VMRuntime_runFinalization),
DEFINE_NATIVE("java/lang/VMRuntime", "traceInstructions", native_vmruntime_trace_instructions),
DEFINE_NATIVE("java/lang/VMRuntime", "traceMethodCalls", native_vmruntime_trace_method_calls),
DEFINE_NATIVE("java/lang/VMString", "intern", java_lang_VMString_intern),
DEFINE_NATIVE("java/lang/VMSystem", "arraycopy", java_lang_VMSystem_arraycopy),
DEFINE_NATIVE("java/lang/VMSystem", "identityHashCode", java_lang_VMSystem_identityHashCode),
DEFINE_NATIVE("java/lang/VMThread", "currentThread", java_lang_VMThread_currentThread),
DEFINE_NATIVE("java/lang/VMThread", "interrupt", java_lang_VMThread_interrupt),
DEFINE_NATIVE("java/lang/VMThread", "interrupted", java_lang_VMThread_interrupted),
DEFINE_NATIVE("java/lang/VMThread", "isInterrupted", java_lang_VMThread_isInterrupted),
DEFINE_NATIVE("java/lang/VMThread", "nativeSetPriority", java_lang_VMThread_setPriority),
DEFINE_NATIVE("java/lang/VMThread", "start", java_lang_VMThread_start),
DEFINE_NATIVE("java/lang/VMThread", "yield", java_lang_VMThread_yield),
DEFINE_NATIVE("java/lang/VMThrowable", "fillInStackTrace", native_vmthrowable_fill_in_stack_trace),
DEFINE_NATIVE("java/lang/VMThrowable", "getStackTrace", native_vmthrowable_get_stack_trace),
DEFINE_NATIVE("java/lang/reflect/Constructor", "constructNative", native_constructor_construct_native),
DEFINE_NATIVE("java/lang/reflect/Constructor", "getModifiersInternal", native_constructor_get_modifiers_internal),
DEFINE_NATIVE("java/lang/reflect/Constructor", "getParameterTypes", native_constructor_get_parameter_types),
DEFINE_NATIVE("java/lang/reflect/Constructor", "getExceptionTypes", native_vmconstructor_get_exception_types),
DEFINE_NATIVE("java/lang/reflect/VMConstructor", "construct", native_vmconstructor_construct),
DEFINE_NATIVE("java/lang/reflect/VMConstructor", "getParameterTypes", native_constructor_get_parameter_types),
DEFINE_NATIVE("java/lang/reflect/VMConstructor", "getModifiersInternal", native_constructor_get_modifiers_internal),
DEFINE_NATIVE("java/lang/reflect/VMConstructor", "getExceptionTypes", native_vmconstructor_get_exception_types),
DEFINE_NATIVE("java/lang/reflect/Field", "get", java_lang_reflect_VMField_get),
DEFINE_NATIVE("java/lang/reflect/Field", "getInt", java_lang_reflect_VMField_getInt),
DEFINE_NATIVE("java/lang/reflect/Field", "getLong", java_lang_reflect_VMField_getLong),
DEFINE_NATIVE("java/lang/reflect/Field", "getShort", java_lang_reflect_VMField_getShort),
DEFINE_NATIVE("java/lang/reflect/Field", "getFloat", java_lang_reflect_VMField_getFloat),
DEFINE_NATIVE("java/lang/reflect/Field", "getDouble", java_lang_reflect_VMField_getDouble),
DEFINE_NATIVE("java/lang/reflect/Field", "getChar", java_lang_reflect_VMField_getChar),
DEFINE_NATIVE("java/lang/reflect/Field", "getByte", java_lang_reflect_VMField_getByte),
DEFINE_NATIVE("java/lang/reflect/Field", "getBoolean", java_lang_reflect_VMField_getBoolean),
DEFINE_NATIVE("java/lang/reflect/Field", "getModifiersInternal", java_lang_reflect_VMField_getModifiersInternal),
DEFINE_NATIVE("java/lang/reflect/Field", "getType", java_lang_reflect_VMField_getType),
DEFINE_NATIVE("java/lang/reflect/Field", "set", java_lang_reflect_VMField_set),
DEFINE_NATIVE("java/lang/reflect/VMField", "get", java_lang_reflect_VMField_get),
DEFINE_NATIVE("java/lang/reflect/VMField", "getLong", java_lang_reflect_VMField_getLong),
DEFINE_NATIVE("java/lang/reflect/VMField", "getInt", java_lang_reflect_VMField_getInt),
DEFINE_NATIVE("java/lang/reflect/VMField", "getShort", java_lang_reflect_VMField_getShort),
DEFINE_NATIVE("java/lang/reflect/VMField", "getFloat", java_lang_reflect_VMField_getFloat),
DEFINE_NATIVE("java/lang/reflect/VMField", "getDouble", java_lang_reflect_VMField_getDouble),
DEFINE_NATIVE("java/lang/reflect/VMField", "getChar", java_lang_reflect_VMField_getChar),
DEFINE_NATIVE("java/lang/reflect/VMField", "getByte", java_lang_reflect_VMField_getByte),
DEFINE_NATIVE("java/lang/reflect/VMField", "getBoolean", java_lang_reflect_VMField_getBoolean),
DEFINE_NATIVE("java/lang/reflect/VMField", "getModifiersInternal", java_lang_reflect_VMField_getModifiersInternal),
DEFINE_NATIVE("java/lang/reflect/VMField", "getType", java_lang_reflect_VMField_getType),
DEFINE_NATIVE("java/lang/reflect/VMField", "getAnnotation", java_lang_reflect_VMField_getAnnotation),
DEFINE_NATIVE("java/lang/reflect/VMField", "getDeclaredAnnotations", java_lang_reflect_VMField_getDeclaredAnnotations),
DEFINE_NATIVE("java/lang/reflect/VMField", "set", java_lang_reflect_VMField_set),
DEFINE_NATIVE("java/lang/reflect/Method", "getModifiersInternal", native_method_get_modifiers_internal),
DEFINE_NATIVE("java/lang/reflect/Method", "getParameterTypes", native_method_get_parameter_types),
DEFINE_NATIVE("java/lang/reflect/Method", "getReturnType", native_method_getreturntype),
DEFINE_NATIVE("java/lang/reflect/Method", "invokeNative", native_method_invokenative),
DEFINE_NATIVE("java/lang/reflect/Method", "getExceptionTypes", native_method_get_exception_types),
DEFINE_NATIVE("java/lang/reflect/VMMethod", "getAnnotation", java_lang_reflect_VMMethod_getAnnotation),
DEFINE_NATIVE("java/lang/reflect/VMMethod", "getDeclaredAnnotations", java_lang_reflect_VMMethod_getDeclaredAnnotations),
DEFINE_NATIVE("java/lang/reflect/VMMethod", "getParameterAnnotations", java_lang_reflect_VMMethod_getParameterAnnotations),
DEFINE_NATIVE("java/lang/reflect/VMMethod", "getDefaultValue", native_method_get_default_value),
DEFINE_NATIVE("java/lang/reflect/VMMethod", "getExceptionTypes", native_method_get_exception_types),
DEFINE_NATIVE("java/lang/reflect/VMMethod", "getModifiersInternal", native_method_get_modifiers_internal),
DEFINE_NATIVE("java/lang/reflect/VMMethod", "getParameterTypes", native_method_get_parameter_types),
DEFINE_NATIVE("java/lang/reflect/VMMethod", "invoke", native_vmmethod_invoke),
DEFINE_NATIVE("java/lang/reflect/VMMethod", "getReturnType", native_method_getreturntype),
DEFINE_NATIVE("java/lang/reflect/VMMethod", "getExceptionTypes", native_method_get_exception_types),
DEFINE_NATIVE("java/util/concurrent/atomic/AtomicLong", "VMSupportsCS8", native_atomiclong_vm_supports_cs8),
DEFINE_NATIVE("sun/misc/Unsafe", "arrayBaseOffset", sun_misc_Unsafe_arrayBaseOffset),
DEFINE_NATIVE("sun/misc/Unsafe", "arrayIndexScale", sun_misc_Unsafe_arrayIndexScale),
DEFINE_NATIVE("sun/misc/Unsafe", "compareAndSwapInt", native_unsafe_compare_and_swap_int),
DEFINE_NATIVE("sun/misc/Unsafe", "compareAndSwapLong", native_unsafe_compare_and_swap_long),
DEFINE_NATIVE("sun/misc/Unsafe", "compareAndSwapObject", native_unsafe_compare_and_swap_object),
DEFINE_NATIVE("sun/misc/Unsafe", "getIntVolatile", sun_misc_Unsafe_getIntVolatile),
DEFINE_NATIVE("sun/misc/Unsafe", "getLongVolatile", sun_misc_Unsafe_getLongVolatile),
DEFINE_NATIVE("sun/misc/Unsafe", "getObjectVolatile", sun_misc_Unsafe_getObjectVolatile),
DEFINE_NATIVE("sun/misc/Unsafe", "objectFieldOffset", sun_misc_Unsafe_objectFieldOffset),
DEFINE_NATIVE("sun/misc/Unsafe", "park", native_unsafe_park),
DEFINE_NATIVE("sun/misc/Unsafe", "putIntVolatile", sun_misc_Unsafe_putIntVolatile),
DEFINE_NATIVE("sun/misc/Unsafe", "putLong", sun_misc_Unsafe_putLong),
DEFINE_NATIVE("sun/misc/Unsafe", "putLongVolatile", sun_misc_Unsafe_putLongVolatile),
DEFINE_NATIVE("sun/misc/Unsafe", "putObject", sun_misc_Unsafe_putObject),
DEFINE_NATIVE("sun/misc/Unsafe", "putObjectVolatile", sun_misc_Unsafe_putObjectVolatile),
DEFINE_NATIVE("sun/misc/Unsafe", "unpark", native_unsafe_unpark),
};
static void jit_init_natives(void)
{
unsigned int i;
for (i = 0; i < ARRAY_SIZE(natives); i++)
vm_register_native(&natives[i]);
}
#define USAGE_TEXT \
"Usage: %s [-options] class [arg1 arg2 ...]\n" \
" (to run a class file)\n" \
" or %s [-options] -jar jarfile [arg1 arg2 ...]\n" \
" (to run a standalone jar file)\n" \
"where options include:\n" \
" -client compatibility (ignored)\n" \
" -server compatibility (ignored)\n" \
"\n" \
" -cp <jar/zip files and directories separated by :>\n" \
" -classpath <jar/zip files and directories separated by :>\n" \
" locations where to find application classes\n" \
" -D<name>=<value> set a system property\n" \
" -verbose[:gc]\n" \
" :gc print out results of garbage collection\n" \
" -version print out version number and copyright information\n" \
"\n" \
" -Xint operate in interpreter-only mode\n" \
" -XX:+PrintCompilation Print a message when a method is compiled\n"
static void usage(FILE *f, int retval)
{
fprintf(f, USAGE_TEXT, program_name, program_name);
exit(retval);
}
static void handle_version(void)
{
fprintf(stdout, "java version \"%s\"\n", JAVA_VERSION);
fprintf(stdout, "Jato VM version %s\n", JATO_VERSION);
exit(EXIT_SUCCESS);
}
static void handle_help(void)
{
usage(stdout, EXIT_SUCCESS);
}
static void handle_client(void)
{
/* Ignore */
}
static void handle_server(void)
{
/* Ignore */
}
static void handle_classpath(const char *arg)
{
system_property_append_path("java.class.path", arg);
}
static void bootclasspath_parse_and_append(const void *arg)
{
static const char delim[] = ":;";
char *cp = strdup(arg);
char *path = strtok(cp, delim);
while (path) {
classloader_add_to_classpath(path);
system_property_append_path("java.boot.class.path", path);
path = strtok(NULL, delim);
}
}
static void handle_bootclasspath(const char *arg)
{
bootclasspath_parse_and_append(arg);
}
static void handle_bootclasspath_append(const char *arg)
{
bootclasspath_append = arg;
}
enum operation {
OPERATION_MAIN_CLASS,
OPERATION_JAR_FILE,
};
static enum operation operation = OPERATION_MAIN_CLASS;
static char *classname;
static struct vm_jar *jar_file;
static void handle_jar(const char *arg)
{
operation = OPERATION_JAR_FILE;
/* Can't specify more than one jar file */
if (jar_file)
usage(stderr, EXIT_FAILURE);
jar_file = vm_jar_open(arg);
if (!jar_file) {
fprintf(stdout, "Unable to open JAR file %s\n", arg);
exit(EXIT_FAILURE);
}
const char *main_class = vm_jar_get_main_class(jar_file);
if (!main_class) {
fprintf(stdout, "Unable to look up main class in JAR file %s\n", arg);
exit(EXIT_FAILURE);
}
classname = dots_to_slash(main_class);
if (!classname)
die("out of memory");
/* XXX: Cheap solution. This can give funny results depending on where
* you put the -jar relative to the -classpath(s). Besides, we should
* save some memory and only open the zip file once. */
system_property_append_path("java.class.path", arg);
}
static void handle_nogc(void)
{
dont_gc = 1;
}
static void handle_no_system_classloader(void)
{
use_system_classloader = false;
}
static void handle_newgc(void)
{
newgc_enabled = true;
}
static void handle_maps(void)
{
dump_maps = true;
}
static void handle_perf(void)
{
perf_enabled = true;
}
static void handle_ssa(void)
{
opt_ssa_enable = true;
}
static void handle_no_ic(void)
{
opt_ic_enabled = false;
}
static void handle_int(void)
{
opt_interp_only = true;
}
static void handle_llvm(void)
{
opt_llvm_enable = true;
}
static void handle_llvm_verbose(void)
{
opt_llvm_enable = true;
opt_llvm_verbose = true;
}
static void regex_compile(regex_t *regex, const char *arg)
{
int err = regcomp(regex, arg, REG_EXTENDED | REG_NOSUB);
if (err) {
unsigned int size = regerror(err, regex, NULL, 0);
char *errbuf = malloc(size);
regerror(err, regex, errbuf, size);
fprintf(stderr, "error: regcomp: %s\n", errbuf);
free(errbuf);
exit(EXIT_FAILURE);
}
}
/* @arg must be in the format package/name/Class.method(Lsignature;)V */
static void handle_trace_method(const char *arg)
{
opt_trace_method = true;
regex_compile(&method_trace_regex, arg);
}
static void handle_trace_gate(const char *arg)
{
opt_trace_gate = true;
regex_compile(&method_trace_gate_regex, arg);
}
static void handle_debug_stack(void)
{
opt_debug_stack = true;
}
static void handle_trace_asm(void)
{
opt_trace_machine_code = true;
opt_trace_compile = true;
}
static void handle_trace_bytecode_offset(void)
{
opt_trace_bytecode_offset = true;
}
static void handle_trace_verifier(void)
{
opt_trace_verifier = true;
}
static void handle_trace_classloader(void)
{
opt_trace_classloader = true;
}
static void handle_trace_compile(void)
{
opt_trace_compile = true;
}
static void handle_trace_exceptions(void)
{
opt_trace_exceptions = true;
}
static void handle_trace_invoke(void)
{
opt_trace_invoke = true;
}
static void handle_trace_invoke_verbose(void)
{
opt_trace_invoke = true;
opt_trace_invoke_verbose = true;
}
static void handle_trace_itable(void)
{
opt_trace_itable = true;
}
static void handle_trace_liveness(void)
{
opt_trace_liveness = true;
}
static void handle_trace_jit(void)
{
opt_trace_ssa = true;
opt_trace_cfg = true;
opt_trace_tree_ir = true;
opt_trace_lir = true;
opt_trace_regalloc = true;
opt_trace_machine_code = true;
opt_trace_magic_trampoline = true;
opt_trace_bytecode_offset = true;
opt_trace_compile = true;
}
static void handle_trace_bytecode(void)
{
opt_trace_bytecode = true;
opt_trace_compile = true;
}
static void handle_trace_signals(void)
{
opt_trace_signals = true;
}
static void handle_trace_trampoline(void)
{
opt_trace_magic_trampoline = true;
}
static void handle_trace_vtable(void)
{
opt_trace_vtable = true;
}
static void handle_define(const char *arg)
{
char *str, *ptr, *key, *value;
str = strdup(arg);
if (!str)
error("out of memory");
key = strtok_r(str, "=", &ptr);
value = strtok_r(NULL, "=", &ptr);
if (!key || !*key)
goto out;
key = strdup(key);
if (value)
value = strdup(value);
else
value = strdup("");
if (!key || !value)
error("out of memory");
add_system_property(key, value);
out:
free(str);
}
static void handle_verbose_gc(void)
{
verbose_gc = true;
}
static void handle_max_heap_size(const char *arg)
{
max_heap_size = parse_long(arg);
if (!max_heap_size) {
fprintf(stderr, "%s: unparseable heap size '%s'\n", program_name, arg);
usage(stderr, EXIT_FAILURE);
}
}
static void handle_thread_stack_size(const char *arg)
{
/* Ignore */
}
static void handle_print_compilation(void)
{
opt_print_compilation = true;
}
const struct option options[] = {
DEFINE_OPTION("version", handle_version),
DEFINE_OPTION("h", handle_help),
DEFINE_OPTION("help", handle_help),
DEFINE_OPTION("client", handle_client),
DEFINE_OPTION("server", handle_server),
DEFINE_OPTION("verbose:gc", handle_verbose_gc),
DEFINE_OPTION("Xmaps", handle_maps),
DEFINE_OPTION("Xnewgc", handle_newgc),
DEFINE_OPTION("Xnogc", handle_nogc),
DEFINE_OPTION("Xnosystemclassloader", handle_no_system_classloader),
DEFINE_OPTION("Xperf", handle_perf),
DEFINE_OPTION("Xssa", handle_ssa),
DEFINE_OPTION("Xnoic", handle_no_ic),
DEFINE_OPTION("Xint", handle_int),
DEFINE_OPTION("Xllvm", handle_llvm),
DEFINE_OPTION("Xllvm:verbose", handle_llvm_verbose),
DEFINE_OPTION("Xdebug:stack", handle_debug_stack),
DEFINE_OPTION("Xtrace:asm", handle_trace_asm),
DEFINE_OPTION("Xtrace:bytecode", handle_trace_bytecode),
DEFINE_OPTION("Xtrace:bytecode-offset", handle_trace_bytecode_offset),
DEFINE_OPTION("Xtrace:classloader", handle_trace_classloader),
DEFINE_OPTION("Xtrace:compile", handle_trace_compile),
DEFINE_OPTION("Xtrace:exceptions", handle_trace_exceptions),
DEFINE_OPTION("Xtrace:invoke", handle_trace_invoke),
DEFINE_OPTION("Xtrace:invoke-verbose", handle_trace_invoke_verbose),
DEFINE_OPTION("Xtrace:itable", handle_trace_itable),
DEFINE_OPTION("Xtrace:jit", handle_trace_jit),
DEFINE_OPTION("Xtrace:liveness", handle_trace_liveness),
DEFINE_OPTION("Xtrace:signals", handle_trace_signals),
DEFINE_OPTION("Xtrace:trampoline", handle_trace_trampoline),
DEFINE_OPTION("Xtrace:verifier", handle_trace_verifier),
DEFINE_OPTION("Xtrace:vtable", handle_trace_vtable),
DEFINE_OPTION_ARG("classpath", handle_classpath),
DEFINE_OPTION_ARG("bootclasspath", handle_bootclasspath),
DEFINE_OPTION_ARG("cp", handle_classpath),
DEFINE_OPTION_ARG("jar", handle_jar),
DEFINE_OPTION_ARG("Xtrace:method", handle_trace_method),
DEFINE_OPTION_ARG("Xtrace:gate", handle_trace_gate),
DEFINE_OPTION_ADJACENT_ARG("Xbootclasspath/a:", handle_bootclasspath_append),
DEFINE_OPTION_ADJACENT_ARG("D", handle_define),
DEFINE_OPTION_ADJACENT_ARG("Xmx", handle_max_heap_size),
DEFINE_OPTION_ADJACENT_ARG("Xss", handle_thread_stack_size),
DEFINE_OPTION("XX:+PrintCompilation", handle_print_compilation),
};
static void parse_options(int argc, char *argv[])
{
int optind;
for (optind = 1; optind < argc; ++optind) {
if (argv[optind][0] != '-')
break;
const struct option *opt = get_option(options, ARRAY_SIZE(options), argv[optind] + 1);
if (!opt) {
fprintf(stderr, "%s: unrecognized option '%s'\n", program_name, argv[optind]);
usage(stderr, EXIT_FAILURE);
}
if (!opt->arg) {
opt->handler.func();
continue;
}
if (opt->arg_is_adjacent) {
opt->handler.func_arg(argv[optind] + strlen(opt->name)
+ 1);
continue;
}
/* We wanted an argument, but there was none */
if (optind + 1 >= argc)
usage(stderr, EXIT_FAILURE);
opt->handler.func_arg(argv[++optind]);
if (strcmp(argv[optind - 1], "-jar") == 0) {
optind++;
break;
}
}
if (operation == OPERATION_MAIN_CLASS) {
if (optind >= argc)