* src/vm/primitivecore.c: Removed.
[cacao.git] / src / vm / vm.cpp
1 /* src/vm/vm.cpp - VM startup and shutdown functions
2
3    Copyright (C) 1996-2005, 2006, 2007, 2008
4    CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
5
6    This file is part of CACAO.
7
8    This program is free software; you can redistribute it and/or
9    modify it under the terms of the GNU General Public License as
10    published by the Free Software Foundation; either version 2, or (at
11    your option) any later version.
12
13    This program is distributed in the hope that it will be useful, but
14    WITHOUT ANY WARRANTY; without even the implied warranty of
15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16    General Public License for more details.
17
18    You should have received a copy of the GNU General Public License
19    along with this program; if not, write to the Free Software
20    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
21    02110-1301, USA.
22
23 */
24
25
26 #include "config.h"
27
28 #include <stdint.h>
29
30 #include <exception>
31
32 #include <assert.h>
33 #include <errno.h>
34 #include <stdlib.h>
35
36 #include "vm/types.h"
37
38 #include "arch.h"
39 #include "md-abi.h"
40
41 #include "vm/jit/abi-asm.h"
42
43 #include "mm/codememory.h"
44 #include "mm/gc.hpp"
45 #include "mm/memory.h"
46
47 #include "native/jni.hpp"
48 #include "native/llni.h"
49 #include "native/localref.h"
50 #include "native/native.h"
51
52 #include "native/vm/nativevm.h"
53
54 #include "threads/lock-common.h"
55 #include "threads/threadlist.h"
56 #include "threads/thread.hpp"
57
58 #include "toolbox/logging.h"
59
60 #include "vm/array.h"
61
62 #if defined(ENABLE_ASSERTION)
63 #include "vm/assertion.h"
64 #endif
65
66 #include "vm/builtin.h"
67 #include "vm/classcache.h"
68 #include "vm/exceptions.hpp"
69 #include "vm/finalizer.h"
70 #include "vm/global.h"
71 #include "vm/globals.hpp"
72 #include "vm/initialize.h"
73 #include "vm/options.h"
74 #include "vm/os.hpp"
75 #include "vm/package.hpp"
76 #include "vm/primitive.hpp"
77 #include "vm/properties.h"
78 #include "vm/signallocal.h"
79 #include "vm/statistics.h"
80 #include "vm/string.hpp"
81 #include "vm/suck.h"
82 #include "vm/vm.hpp"
83
84 #include "vm/jit/argument.h"
85 #include "vm/jit/asmpart.h"
86 #include "vm/jit/code.h"
87
88 #if defined(ENABLE_DISASSEMBLER)
89 # include "vm/jit/disass.h"
90 #endif
91
92 #include "vm/jit/jit.h"
93 #include "vm/jit/methodtree.h"
94
95 #if defined(ENABLE_PROFILING)
96 # include "vm/jit/optimizing/profile.h"
97 #endif
98
99 #include "vm/jit/optimizing/recompile.h"
100
101 #if defined(ENABLE_PYTHON)
102 # include "vm/jit/python.h"
103 #endif
104
105 #include "vm/jit/trap.h"
106
107 #if defined(ENABLE_JVMTI)
108 # include "native/jvmti/cacaodbg.h"
109 #endif
110
111 #if defined(ENABLE_VMLOG)
112 #include <vmlog_cacao.h>
113 #endif
114
115
116 /**
117  * This is _the_ VM instance.
118  */
119 VM* VM::_vm = NULL;
120
121
122 /* global variables ***********************************************************/
123
124 s4 vms = 0;                             /* number of VMs created              */
125
126 static classinfo *mainclass = NULL;
127
128 #if defined(ENABLE_INTRP)
129 u1 *intrp_main_stack = NULL;
130 #endif
131
132
133 /* define heap sizes **********************************************************/
134
135 #define HEAP_MAXSIZE      128 * 1024 * 1024 /* default 128MB                  */
136 #define HEAP_STARTSIZE      2 * 1024 * 1024 /* default 2MB                    */
137 #define STACK_SIZE               128 * 1024 /* default 64kB                   */
138
139
140 /* define command line options ************************************************/
141
142 enum {
143         OPT_FOO,
144
145         /* Java options */
146
147         OPT_JAR,
148
149         OPT_D32,
150         OPT_D64,
151
152         OPT_CLASSPATH,
153         OPT_D,
154
155         OPT_VERBOSE,
156
157         OPT_VERSION,
158         OPT_SHOWVERSION,
159         OPT_FULLVERSION,
160
161         OPT_HELP,
162         OPT_X,
163         OPT_XX,
164
165         OPT_EA,
166         OPT_DA,
167         OPT_EA_NOARG,
168         OPT_DA_NOARG,
169     
170
171         OPT_ESA,
172         OPT_DSA,
173
174         /* Java non-standard options */
175
176         OPT_JIT,
177         OPT_INTRP,
178
179         OPT_BOOTCLASSPATH,
180         OPT_BOOTCLASSPATH_A,
181         OPT_BOOTCLASSPATH_P,
182
183         OPT_BOOTCLASSPATH_C,
184
185 #if defined(ENABLE_PROFILING)
186         OPT_PROF,
187         OPT_PROF_OPTION,
188 #endif
189
190         OPT_MS,
191         OPT_MX,
192
193         /* CACAO options */
194
195         OPT_VERBOSE1,
196         OPT_NOIEEE,
197
198 #if defined(ENABLE_STATISTICS)
199         OPT_TIME,
200         OPT_STAT,
201 #endif
202
203         OPT_LOG,
204         OPT_CHECK,
205         OPT_LOAD,
206         OPT_SHOW,
207         OPT_DEBUGCOLOR,
208
209 #if !defined(NDEBUG)
210         OPT_ALL,
211         OPT_METHOD,
212         OPT_SIGNATURE,
213 #endif
214
215 #if defined(ENABLE_VERIFIER)
216         OPT_NOVERIFY,
217 #if defined(TYPECHECK_VERBOSE)
218         OPT_VERBOSETC,
219 #endif
220 #endif /* defined(ENABLE_VERIFIER) */
221
222         /* optimization options */
223
224 #if defined(ENABLE_LOOP)
225         OPT_OLOOP,
226 #endif
227         
228 #if defined(ENABLE_IFCONV)
229         OPT_IFCONV,
230 #endif
231
232 #if defined(ENABLE_LSRA) || defined(ENABLE_SSA)
233         OPT_LSRA,
234 #endif
235
236 #if defined(ENABLE_INTRP)
237         /* interpreter options */
238
239         OPT_NO_DYNAMIC,
240         OPT_NO_REPLICATION,
241         OPT_NO_QUICKSUPER,
242         OPT_STATIC_SUPERS,
243         OPT_TRACE,
244 #endif
245
246         OPT_SS,
247
248 #ifdef ENABLE_JVMTI
249         OPT_DEBUG,
250         OPT_XRUNJDWP,
251         OPT_NOAGENT,
252         OPT_AGENTLIB,
253         OPT_AGENTPATH,
254 #endif
255
256 #if defined(ENABLE_DEBUG_FILTER)
257         OPT_FILTER_VERBOSECALL_INCLUDE,
258         OPT_FILTER_VERBOSECALL_EXCLUDE,
259         OPT_FILTER_SHOW_METHOD,
260 #endif
261
262         DUMMY
263 };
264
265
266 opt_struct opts[] = {
267         { "foo",               false, OPT_FOO },
268
269         /* Java options */
270
271         { "jar",               false, OPT_JAR },
272
273         { "d32",               false, OPT_D32 },
274         { "d64",               false, OPT_D64 },
275         { "client",            false, OPT_IGNORE },
276         { "server",            false, OPT_IGNORE },
277         { "jvm",               false, OPT_IGNORE },
278         { "hotspot",           false, OPT_IGNORE },
279
280         { "classpath",         true,  OPT_CLASSPATH },
281         { "cp",                true,  OPT_CLASSPATH },
282         { "D",                 true,  OPT_D },
283         { "version",           false, OPT_VERSION },
284         { "showversion",       false, OPT_SHOWVERSION },
285         { "fullversion",       false, OPT_FULLVERSION },
286         { "help",              false, OPT_HELP },
287         { "?",                 false, OPT_HELP },
288         { "X",                 false, OPT_X },
289         { "XX:",               true,  OPT_XX },
290
291         { "ea:",               true,  OPT_EA },
292         { "da:",               true,  OPT_DA },
293         { "ea",                false, OPT_EA_NOARG },
294         { "da",                false, OPT_DA_NOARG },
295
296         { "enableassertions:",  true,  OPT_EA },
297         { "disableassertions:", true,  OPT_DA },
298         { "enableassertions",   false, OPT_EA_NOARG },
299         { "disableassertions",  false, OPT_DA_NOARG },
300
301         { "esa",                     false, OPT_ESA },
302         { "enablesystemassertions",  false, OPT_ESA },
303         { "dsa",                     false, OPT_DSA },
304         { "disablesystemassertions", false, OPT_DSA },
305
306         { "noasyncgc",         false, OPT_IGNORE },
307 #if defined(ENABLE_VERIFIER)
308         { "noverify",          false, OPT_NOVERIFY },
309         { "Xverify:none",      false, OPT_NOVERIFY },
310 #endif
311         { "v",                 false, OPT_VERBOSE1 },
312         { "verbose:",          true,  OPT_VERBOSE },
313
314 #if defined(ENABLE_VERIFIER) && defined(TYPECHECK_VERBOSE)
315         { "verbosetc",         false, OPT_VERBOSETC },
316 #endif
317 #if defined(__ALPHA__)
318         { "noieee",            false, OPT_NOIEEE },
319 #endif
320 #if defined(ENABLE_STATISTICS)
321         { "time",              false, OPT_TIME },
322         { "stat",              false, OPT_STAT },
323 #endif
324         { "log",               true,  OPT_LOG },
325         { "c",                 true,  OPT_CHECK },
326         { "l",                 false, OPT_LOAD },
327
328 #if !defined(NDEBUG)
329         { "all",               false, OPT_ALL },
330         { "sig",               true,  OPT_SIGNATURE },
331 #endif
332
333 #if defined(ENABLE_LOOP)
334         { "oloop",             false, OPT_OLOOP },
335 #endif
336 #if defined(ENABLE_IFCONV)
337         { "ifconv",            false, OPT_IFCONV },
338 #endif
339 #if defined(ENABLE_LSRA)
340         { "lsra",              false, OPT_LSRA },
341 #endif
342 #if  defined(ENABLE_SSA)
343         { "lsra",              true, OPT_LSRA },
344 #endif
345
346 #if defined(ENABLE_INTRP)
347         /* interpreter options */
348
349         { "trace",             false, OPT_TRACE },
350         { "static-supers",     true,  OPT_STATIC_SUPERS },
351         { "no-dynamic",        false, OPT_NO_DYNAMIC },
352         { "no-replication",    false, OPT_NO_REPLICATION },
353         { "no-quicksuper",     false, OPT_NO_QUICKSUPER },
354 #endif
355
356         /* JVMTI Agent Command Line Options */
357 #ifdef ENABLE_JVMTI
358         { "agentlib:",         true,  OPT_AGENTLIB },
359         { "agentpath:",        true,  OPT_AGENTPATH },
360 #endif
361
362         /* Java non-standard options */
363
364         { "Xjit",              false, OPT_JIT },
365         { "Xint",              false, OPT_INTRP },
366         { "Xbootclasspath:",   true,  OPT_BOOTCLASSPATH },
367         { "Xbootclasspath/a:", true,  OPT_BOOTCLASSPATH_A },
368         { "Xbootclasspath/p:", true,  OPT_BOOTCLASSPATH_P },
369         { "Xbootclasspath/c:", true,  OPT_BOOTCLASSPATH_C },
370
371 #ifdef ENABLE_JVMTI
372         { "Xdebug",            false, OPT_DEBUG },
373         { "Xnoagent",          false, OPT_NOAGENT },
374         { "Xrunjdwp",          true,  OPT_XRUNJDWP },
375 #endif 
376
377         { "Xms",               true,  OPT_MS },
378         { "ms",                true,  OPT_MS },
379         { "Xmx",               true,  OPT_MX },
380         { "mx",                true,  OPT_MX },
381         { "Xss",               true,  OPT_SS },
382         { "ss",                true,  OPT_SS },
383
384 #if defined(ENABLE_PROFILING)
385         { "Xprof:",            true,  OPT_PROF_OPTION },
386         { "Xprof",             false, OPT_PROF },
387 #endif
388
389         /* keep these at the end of the list */
390
391 #if !defined(NDEBUG)
392         { "m",                 true,  OPT_METHOD },
393 #endif
394
395         { "s",                 true,  OPT_SHOW },
396         { "debug-color",      false,  OPT_DEBUGCOLOR },
397
398 #if defined(ENABLE_DEBUG_FILTER)
399         { "XXfi",              true,  OPT_FILTER_VERBOSECALL_INCLUDE },
400         { "XXfx",              true,  OPT_FILTER_VERBOSECALL_EXCLUDE },
401         { "XXfm",              true,  OPT_FILTER_SHOW_METHOD },
402 #endif
403
404         { NULL,                false, 0 }
405 };
406
407
408 /* usage ***********************************************************************
409
410    Prints the correct usage syntax to stdout.
411
412 *******************************************************************************/
413
414 void usage(void)
415 {
416         puts("Usage: cacao [-options] classname [arguments]");
417         puts("               (to run a class file)");
418         puts("   or  cacao [-options] -jar jarfile [arguments]");
419         puts("               (to run a standalone jar file)\n");
420
421         puts("where options include:");
422         puts("    -d32                     use 32-bit data model if available");
423         puts("    -d64                     use 64-bit data model if available");
424         puts("    -client                  compatibility (currently ignored)");
425         puts("    -server                  compatibility (currently ignored)");
426         puts("    -jvm                     compatibility (currently ignored)");
427         puts("    -hotspot                 compatibility (currently ignored)\n");
428
429         puts("    -cp <path>               specify a path to look for classes");
430         puts("    -classpath <path>        specify a path to look for classes");
431         puts("    -D<name>=<value>         add an entry to the property list");
432         puts("    -verbose[:class|gc|jni]  enable specific verbose output");
433         puts("    -version                 print product version and exit");
434         puts("    -fullversion             print jpackage-compatible product version and exit");
435         puts("    -showversion             print product version and continue");
436         puts("    -help, -?                print this help message");
437         puts("    -X                       print help on non-standard Java options");
438         puts("    -XX                      print help on debugging options");
439     puts("    -ea[:<packagename>...|:<classname>]");
440     puts("    -enableassertions[:<packagename>...|:<classname>]");
441         puts("                             enable assertions with specified granularity");
442         puts("    -da[:<packagename>...|:<classname>]");
443         puts("    -disableassertions[:<packagename>...|:<classname>]");
444         puts("                             disable assertions with specified granularity");
445         puts("    -esa | -enablesystemassertions");
446         puts("                             enable system assertions");
447         puts("    -dsa | -disablesystemassertions");
448         puts("                             disable system assertions");
449
450 #ifdef ENABLE_JVMTI
451         puts("    -agentlib:<agent-lib-name>=<options>  library to load containg JVMTI agent");
452         puts ("                                         for jdwp help use: -agentlib:jdwp=help");
453         puts("    -agentpath:<path-to-agent>=<options>  path to library containg JVMTI agent");
454 #endif
455
456         /* exit with error code */
457
458         exit(1);
459 }   
460
461
462 static void Xusage(void)
463 {
464 #if defined(ENABLE_JIT)
465         puts("    -Xjit                    JIT mode execution (default)");
466 #endif
467 #if defined(ENABLE_INTRP)
468         puts("    -Xint                    interpreter mode execution");
469 #endif
470         puts("    -Xbootclasspath:<zip/jar files and directories separated by :>");
471     puts("                             value is set as bootstrap class path");
472         puts("    -Xbootclasspath/a:<zip/jar files and directories separated by :>");
473         puts("                             value is appended to the bootstrap class path");
474         puts("    -Xbootclasspath/p:<zip/jar files and directories separated by :>");
475         puts("                             value is prepended to the bootstrap class path");
476         puts("    -Xbootclasspath/c:<zip/jar files and directories separated by :>");
477         puts("                             value is used as Java core library, but the");
478         puts("                             hardcoded VM interface classes are prepended");
479         printf("    -Xms<size>               set the initial size of the heap (default: %dMB)\n", HEAP_STARTSIZE / 1024 / 1024);
480         printf("    -Xmx<size>               set the maximum size of the heap (default: %dMB)\n", HEAP_MAXSIZE / 1024 / 1024);
481         printf("    -Xss<size>               set the thread stack size (default: %dkB)\n", STACK_SIZE / 1024);
482
483 #if defined(ENABLE_PROFILING)
484         puts("    -Xprof[:bb]              collect and print profiling data");
485 #endif
486
487 #if defined(ENABLE_JVMTI)
488     /* -Xdebug option depend on gnu classpath JDWP options. options: 
489          transport=dt_socket,address=<hostname:port>,server=(y|n),suspend(y|n) */
490         puts("    -Xdebug                  enable remote debugging\n");
491         puts("    -Xrunjdwp transport=[dt_socket|...],address=<hostname:port>,server=[y|n],suspend=[y|n]\n");
492         puts("                             enable remote debugging\n");
493 #endif 
494
495         /* exit with error code */
496
497         exit(1);
498 }   
499
500
501 #if 0
502 static void XXusage(void)
503 {
504         puts("    -v                       write state-information");
505 #if !defined(NDEBUG)
506         puts("    -verbose:jit             enable specific verbose output");
507         puts("    -debug-color             colored output for ANSI terms");
508 #endif
509 #ifdef TYPECHECK_VERBOSE
510         puts("    -verbosetc               write debug messages while typechecking");
511 #endif
512 #if defined(__ALPHA__)
513         puts("    -noieee                  don't use ieee compliant arithmetic");
514 #endif
515 #if defined(ENABLE_VERIFIER)
516         puts("    -noverify                don't verify classfiles");
517 #endif
518 #if defined(ENABLE_STATISTICS)
519         puts("    -time                    measure the runtime");
520         puts("    -stat                    detailed compiler statistics");
521 #endif
522         puts("    -log logfile             specify a name for the logfile");
523         puts("    -c(heck)b(ounds)         don't check array bounds");
524         puts("            s(ync)           don't check for synchronization");
525 #if defined(ENABLE_LOOP)
526         puts("    -oloop                   optimize array accesses in loops");
527 #endif
528         puts("    -l                       don't start the class after loading");
529 #if !defined(NDEBUG)
530         puts("    -all                     compile all methods, no execution");
531         puts("    -m                       compile only a specific method");
532         puts("    -sig                     specify signature for a specific method");
533 #endif
534
535         puts("    -s...                    show...");
536         puts("      (c)onstants            the constant pool");
537         puts("      (m)ethods              class fields and methods");
538         puts("      (u)tf                  the utf - hash");
539         puts("      (i)ntermediate         intermediate representation");
540 #if defined(ENABLE_DISASSEMBLER)
541         puts("      (a)ssembler            disassembled listing");
542         puts("      n(o)ps                 show NOPs in disassembler output");
543 #endif
544         puts("      (d)atasegment          data segment listing");
545
546 #if defined(ENABLE_IFCONV)
547         puts("    -ifconv                  use if-conversion");
548 #endif
549 #if defined(ENABLE_LSRA)
550         puts("    -lsra                    use linear scan register allocation");
551 #endif
552 #if defined(ENABLE_SSA)
553         puts("    -lsra:...                use linear scan register allocation (with SSA)");
554         puts("       (d)ead code elimination");
555         puts("       (c)opy propagation");
556 #endif
557 #if defined(ENABLE_DEBUG_FILTER)
558         puts("    -XXfi <regex>            begin of dynamic scope for verbosecall filter");
559         puts("    -XXfx <regex>            end of dynamic scope for verbosecall filter");
560         puts("    -XXfm <regex>            filter for show options");
561 #endif
562         /* exit with error code */
563
564         exit(1);
565 }
566 #endif
567
568
569 /* version *********************************************************************
570
571    Only prints cacao version information.
572
573 *******************************************************************************/
574
575 static void version(bool opt_exit)
576 {
577         puts("java version \""JAVA_VERSION"\"");
578         puts("CACAO version "VERSION"\n");
579
580         puts("Copyright (C) 1996-2005, 2006, 2007, 2008");
581         puts("CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO");
582         puts("This is free software; see the source for copying conditions.  There is NO");
583         puts("warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.");
584
585         /* exit normally, if requested */
586
587         if (opt_exit)
588                 exit(0);
589 }
590
591
592 /* fullversion *****************************************************************
593
594    Prints a Sun compatible version information (required e.g. by
595    jpackage, www.jpackage.org).
596
597 *******************************************************************************/
598
599 static void fullversion(void)
600 {
601         puts("java full version \"cacao-"JAVA_VERSION"\"");
602
603         /* exit normally */
604
605         exit(0);
606 }
607
608
609 /* forward declarations *******************************************************/
610
611 static char *vm_get_mainclass_from_jar(char *mainstring);
612 #if !defined(NDEBUG)
613 static void  vm_compile_all(void);
614 static void  vm_compile_method(char* mainname);
615 #endif
616
617
618 /**
619  * Implementation for JNI_CreateJavaVM.  This function creates a VM
620  * object.
621  *
622  * @param p_vm
623  * @param p_env
624  * @param vm_args
625  *
626  * @return true on success, false otherwise.
627  */
628 bool VM::create(JavaVM** p_vm, void** p_env, void* vm_args)
629 {
630         JavaVMInitArgs* _vm_args;
631
632         // Get the arguments for the new JVM.
633         _vm_args = (JavaVMInitArgs *) vm_args;
634
635         // Instantiate a new VM.
636         try {
637                 _vm = new VM(_vm_args);
638         }
639         catch (std::exception e) {
640                 // FIXME How can we delete the resources allocated?
641 //              /* release allocated memory */
642 //              FREE(env, _Jv_JNIEnv);
643 //              FREE(vm, _Jv_JavaVM);
644
645                 _vm = NULL;
646
647                 return false;
648         }
649
650         // Return the values.
651
652         *p_vm  = _vm->get_javavm();
653         *p_env = _vm->get_jnienv();
654
655         return true;
656 }
657
658
659 /**
660  * C wrapper for VM::create.
661  */
662 extern "C" {
663         bool VM_create(JavaVM** p_vm, void** p_env, void* vm_args)
664         {
665                 return VM::create(p_vm, p_env, vm_args);
666         }
667 }
668
669
670 /**
671  * VM constructor.
672  */
673 VM::VM(JavaVMInitArgs* vm_args)
674 {
675         // Very first thing to do: we are initializing.
676         _initializing = true;
677
678         // Make ourself globally visible.
679         // XXX Is this a good idea?
680         _vm = this;
681
682         /* create and fill a JavaVM structure */
683
684         _javavm = new JavaVM();
685
686 #if defined(ENABLE_JNI)
687         _javavm->functions = &_Jv_JNIInvokeInterface;
688 #endif
689
690         /* get the VM and Env tables (must be set before vm_create) */
691         /* XXX JVMTI Agents needs a JavaVM  */
692
693         _jnienv = new JNIEnv();
694
695 #if defined(ENABLE_JNI)
696         _jnienv->functions = &_Jv_JNINativeInterface;
697 #endif
698
699         /* actually create the JVM */
700
701         int   len;
702         char *p;
703         char *boot_class_path;
704         char *class_path;
705         int   opt;
706         bool  opt_version;
707         bool  opt_exit;
708
709 #if defined(ENABLE_JVMTI)
710         lt_dlhandle  handle;
711         char *libname, *agentarg;
712         bool jdwp,agentbypath;
713         jdwp = agentbypath = false;
714 #endif
715
716 #if defined(ENABLE_JNI)
717         /* Check the JNI version requested. */
718
719         if (!jni_version_check(vm_args->version))
720                 throw std::exception();
721 #endif
722
723         /* We only support 1 JVM instance. */
724
725         if (vms > 0)
726                 throw std::exception();
727
728         /* Install the exit handler. */
729
730         if (atexit(vm_exit_handler))
731                 VM::get_current()->abort("atexit failed: %s\n", strerror(errno));
732
733         /* Set some options. */
734
735         opt_version       = false;
736         opt_exit          = false;
737
738         opt_noieee        = false;
739
740         opt_heapmaxsize   = HEAP_MAXSIZE;
741         opt_heapstartsize = HEAP_STARTSIZE;
742         opt_stacksize     = STACK_SIZE;
743
744         /* Initialize the properties list before command-line handling.
745            Otherwise -XX:+PrintConfig crashes. */
746
747         properties_init();
748
749         // First of all, parse the -XX options.
750
751 #if defined(ENABLE_VMLOG)
752         vmlog_cacao_init_options();
753 #endif
754
755         options_xx(vm_args);
756
757         // After -XX options are parsed, print the build-time
758         // configuration, if requested.
759         if (opt_PrintConfig)
760                 print_build_time_config();
761
762 #if defined(ENABLE_VMLOG)
763         vmlog_cacao_init();
764 #endif
765
766         /* We need to check if the actual size of a java.lang.Class object
767            is smaller or equal than the assumption made in
768            src/vm/class.h. */
769
770 #warning FIXME We need to check the size of java.lang.Class!!!
771 //      if (sizeof(java_lang_Class) > sizeof(dummy_java_lang_Class))
772 //              vm_abort("vm_create: java_lang_Class structure is bigger than classinfo.object (%d > %d)", sizeof(java_lang_Class), sizeof(dummy_java_lang_Class));
773
774         /* set the VM starttime */
775
776         _starttime = builtin_currenttimemillis();
777
778 #if defined(ENABLE_JVMTI)
779         /* initialize JVMTI related  **********************************************/
780         jvmti = false;
781 #endif
782
783         /* Fill the properties before command-line handling. */
784
785         properties_set();
786
787         /* iterate over all passed options */
788
789         while ((opt = options_get(opts, vm_args)) != OPT_DONE) {
790                 switch (opt) {
791                 case OPT_FOO:
792                         opt_foo = true;
793                         break;
794
795                 case OPT_IGNORE:
796                         break;
797                         
798                 case OPT_JAR:
799                         opt_jar = true;
800                         break;
801
802                 case OPT_D32:
803 #if SIZEOF_VOID_P == 8
804                         puts("Running a 32-bit JVM is not supported on this platform.");
805                         exit(1);
806 #endif
807                         break;
808
809                 case OPT_D64:
810 #if SIZEOF_VOID_P == 4
811                         puts("Running a 64-bit JVM is not supported on this platform.");
812                         exit(1);
813 #endif
814                         break;
815
816                 case OPT_CLASSPATH:
817                         /* Forget old classpath and set the argument as new
818                            classpath. */
819
820                         // FIXME Make class_path const char*.
821                         class_path = (char*) properties_get("java.class.path");
822
823                         p = MNEW(char, strlen(opt_arg) + strlen("0"));
824
825                         strcpy(p, opt_arg);
826
827 #if defined(ENABLE_JAVASE)
828                         properties_add("java.class.path", p);
829 #endif
830
831                         MFREE(class_path, char, strlen(class_path));
832                         break;
833
834                 case OPT_D:
835                         for (unsigned int i = 0; i < strlen(opt_arg); i++) {
836                                 if (opt_arg[i] == '=') {
837                                         opt_arg[i] = '\0';
838                                         properties_add(opt_arg, opt_arg + i + 1);
839                                         goto opt_d_done;
840                                 }
841                         }
842
843                         /* if no '=' is given, just create an empty property */
844
845                         properties_add(opt_arg, "");
846
847                 opt_d_done:
848                         break;
849
850                 case OPT_BOOTCLASSPATH:
851                         /* Forget default bootclasspath and set the argument as
852                            new boot classpath. */
853
854                         // FIXME Make boot_class_path const char*.
855                         boot_class_path = (char*) properties_get("sun.boot.class.path");
856
857                         p = MNEW(char, strlen(opt_arg) + strlen("0"));
858
859                         strcpy(p, opt_arg);
860
861                         properties_add("sun.boot.class.path", p);
862                         properties_add("java.boot.class.path", p);
863
864                         MFREE(boot_class_path, char, strlen(boot_class_path));
865                         break;
866
867                 case OPT_BOOTCLASSPATH_A:
868                         /* Append to bootclasspath. */
869
870                         // FIXME Make boot_class_path const char*.
871                         boot_class_path = (char*) properties_get("sun.boot.class.path");
872
873                         len = strlen(boot_class_path);
874
875                         // XXX (char*) quick hack
876                         p = (char*) MREALLOC(boot_class_path,
877                                                  char,
878                                                  len + strlen("0"),
879                                                  len + strlen(":") +
880                                                  strlen(opt_arg) + strlen("0"));
881
882                         strcat(p, ":");
883                         strcat(p, opt_arg);
884
885                         properties_add("sun.boot.class.path", p);
886                         properties_add("java.boot.class.path", p);
887                         break;
888
889                 case OPT_BOOTCLASSPATH_P:
890                         /* Prepend to bootclasspath. */
891
892                         // FIXME Make boot_class_path const char*.
893                         boot_class_path = (char*) properties_get("sun.boot.class.path");
894
895                         len = strlen(boot_class_path);
896
897                         p = MNEW(char, strlen(opt_arg) + strlen(":") + len + strlen("0"));
898
899                         strcpy(p, opt_arg);
900                         strcat(p, ":");
901                         strcat(p, boot_class_path);
902
903                         properties_add("sun.boot.class.path", p);
904                         properties_add("java.boot.class.path", p);
905
906                         MFREE(boot_class_path, char, len);
907                         break;
908
909                 case OPT_BOOTCLASSPATH_C:
910                         /* Use as Java core library, but prepend VM interface
911                            classes. */
912
913                         // FIXME Make boot_class_path const char*.
914                         boot_class_path = (char*) properties_get("sun.boot.class.path");
915
916                         len =
917                                 strlen(CACAO_VM_ZIP) +
918                                 strlen(":") +
919                                 strlen(opt_arg) +
920                                 strlen("0");
921
922                         p = MNEW(char, len);
923
924                         strcpy(p, CACAO_VM_ZIP);
925                         strcat(p, ":");
926                         strcat(p, opt_arg);
927
928                         properties_add("sun.boot.class.path", p);
929                         properties_add("java.boot.class.path", p);
930
931                         MFREE(boot_class_path, char, strlen(boot_class_path));
932                         break;
933
934 #if defined(ENABLE_JVMTI)
935                 case OPT_DEBUG:
936                         /* this option exists only for compatibility reasons */
937                         break;
938
939                 case OPT_NOAGENT:
940                         /* I don't know yet what Xnoagent should do. This is only for 
941                            compatiblity with eclipse - motse */
942                         break;
943
944                 case OPT_XRUNJDWP:
945                         agentbypath = true;
946                         jvmti       = true;
947                         jdwp        = true;
948
949                         len =
950                                 strlen(CACAO_LIBDIR) +
951                                 strlen("/libjdwp.so=") +
952                                 strlen(opt_arg) +
953                                 strlen("0");
954
955                         agentarg = MNEW(char, len);
956
957                         strcpy(agentarg, CACAO_LIBDIR);
958                         strcat(agentarg, "/libjdwp.so=");
959                         strcat(agentarg, &opt_arg[1]);
960                         break;
961
962                 case OPT_AGENTPATH:
963                         agentbypath = true;
964
965                 case OPT_AGENTLIB:
966                         jvmti = true;
967                         agentarg = opt_arg;
968                         break;
969 #endif
970                         
971                 case OPT_MX:
972                 case OPT_MS:
973                 case OPT_SS:
974                         {
975                                 char c;
976                                 int j;
977
978                                 c = opt_arg[strlen(opt_arg) - 1];
979
980                                 if ((c == 'k') || (c == 'K')) {
981                                         j = atoi(opt_arg) * 1024;
982
983                                 } else if ((c == 'm') || (c == 'M')) {
984                                         j = atoi(opt_arg) * 1024 * 1024;
985
986                                 } else
987                                         j = atoi(opt_arg);
988
989                                 if (opt == OPT_MX)
990                                         opt_heapmaxsize = j;
991                                 else if (opt == OPT_MS)
992                                         opt_heapstartsize = j;
993                                 else
994                                         opt_stacksize = j;
995                         }
996                         break;
997
998                 case OPT_VERBOSE1:
999                         opt_verbose = true;
1000                         break;
1001
1002                 case OPT_VERBOSE:
1003                         if (strcmp("class", opt_arg) == 0) {
1004                                 opt_verboseclass = true;
1005                         }
1006                         else if (strcmp("gc", opt_arg) == 0) {
1007                                 opt_verbosegc = true;
1008                         }
1009                         else if (strcmp("jni", opt_arg) == 0) {
1010                                 opt_verbosejni = true;
1011                         }
1012 #if !defined(NDEBUG)
1013                         else if (strcmp("jit", opt_arg) == 0) {
1014                                 opt_verbose = true;
1015                                 loadverbose = true;
1016                                 initverbose = true;
1017                                 compileverbose = true;
1018                         }
1019 #endif
1020                         else {
1021                                 printf("Unknown -verbose option: %s\n", opt_arg);
1022                                 usage();
1023                         }
1024                         break;
1025
1026                 case OPT_DEBUGCOLOR:
1027                         opt_debugcolor = true;
1028                         break;
1029
1030 #if defined(ENABLE_VERIFIER) && defined(TYPECHECK_VERBOSE)
1031                 case OPT_VERBOSETC:
1032                         opt_typecheckverbose = true;
1033                         break;
1034 #endif
1035                                 
1036                 case OPT_VERSION:
1037                         opt_version = true;
1038                         opt_exit    = true;
1039                         break;
1040
1041                 case OPT_FULLVERSION:
1042                         fullversion();
1043                         break;
1044
1045                 case OPT_SHOWVERSION:
1046                         opt_version = true;
1047                         break;
1048
1049                 case OPT_NOIEEE:
1050                         opt_noieee = true;
1051                         break;
1052
1053 #if defined(ENABLE_VERIFIER)
1054                 case OPT_NOVERIFY:
1055                         opt_verify = false;
1056                         break;
1057 #endif
1058
1059 #if defined(ENABLE_STATISTICS)
1060                 case OPT_TIME:
1061                         opt_getcompilingtime = true;
1062                         opt_getloadingtime = true;
1063                         break;
1064                                         
1065                 case OPT_STAT:
1066                         opt_stat = true;
1067                         break;
1068 #endif
1069                                         
1070                 case OPT_LOG:
1071                         log_init(opt_arg);
1072                         break;
1073                         
1074                 case OPT_CHECK:
1075                         for (unsigned int i = 0; i < strlen(opt_arg); i++) {
1076                                 switch (opt_arg[i]) {
1077                                 case 'b':
1078                                         checkbounds = false;
1079                                         break;
1080                                 case 's':
1081                                         checksync = false;
1082                                         break;
1083                                 default:
1084                                         usage();
1085                                 }
1086                         }
1087                         break;
1088                         
1089                 case OPT_LOAD:
1090                         opt_run = false;
1091                         makeinitializations = false;
1092                         break;
1093
1094 #if !defined(NDEBUG)
1095                 case OPT_ALL:
1096                         compileall = true;
1097                         opt_run = false;
1098                         makeinitializations = false;
1099                         break;
1100
1101                 case OPT_METHOD:
1102                         opt_run = false;
1103                         opt_method = opt_arg;
1104                         makeinitializations = false;
1105                         break;
1106
1107                 case OPT_SIGNATURE:
1108                         opt_signature = opt_arg;
1109                         break;
1110 #endif
1111
1112                 case OPT_SHOW:       /* Display options */
1113                         for (unsigned int i = 0; i < strlen(opt_arg); i++) {            
1114                                 switch (opt_arg[i]) {
1115                                 case 'c':
1116                                         showconstantpool = true;
1117                                         break;
1118
1119                                 case 'u':
1120                                         showutf = true;
1121                                         break;
1122
1123                                 case 'm':
1124                                         showmethods = true;
1125                                         break;
1126
1127                                 case 'i':
1128                                         opt_showintermediate = true;
1129                                         compileverbose = true;
1130                                         break;
1131
1132 #if defined(ENABLE_DISASSEMBLER)
1133                                 case 'a':
1134                                         opt_showdisassemble = true;
1135                                         compileverbose = true;
1136                                         break;
1137 #endif
1138
1139                                 case 'd':
1140                                         opt_showddatasegment = true;
1141                                         break;
1142
1143                                 default:
1144                                         usage();
1145                                 }
1146                         }
1147                         break;
1148                         
1149 #if defined(ENABLE_LOOP)
1150                 case OPT_OLOOP:
1151                         opt_loops = true;
1152                         break;
1153 #endif
1154
1155 #if defined(ENABLE_IFCONV)
1156                 case OPT_IFCONV:
1157                         opt_ifconv = true;
1158                         break;
1159 #endif
1160
1161 #if defined(ENABLE_LSRA)
1162                 case OPT_LSRA:
1163                         opt_lsra = true;
1164                         break;
1165 #endif
1166 #if  defined(ENABLE_SSA)
1167                 case OPT_LSRA:
1168                         opt_lsra = true;
1169                         for (unsigned int i = 0; i < strlen(opt_arg); i++) {            
1170                                 switch (opt_arg[i]) {
1171                                 case 'c':
1172                                         opt_ssa_cp = true;
1173                                         break;
1174
1175                                 case 'd':
1176                                         opt_ssa_dce = true;
1177                                         break;
1178
1179                                 case ':':
1180                                         break;
1181
1182                                 default:
1183                                         usage();
1184                                 }
1185                         }
1186                         break;
1187 #endif
1188
1189                 case OPT_HELP:
1190                         usage();
1191                         break;
1192
1193                 case OPT_X:
1194                         Xusage();
1195                         break;
1196
1197                 case OPT_XX:
1198                         /* Already parsed. */
1199                         break;
1200
1201                 case OPT_EA:
1202 #if defined(ENABLE_ASSERTION)
1203                         assertion_ea_da(opt_arg, true);
1204 #endif
1205                         break;
1206
1207                 case OPT_DA:
1208 #if defined(ENABLE_ASSERTION)
1209                         assertion_ea_da(opt_arg, false);
1210 #endif
1211                         break;
1212
1213                 case OPT_EA_NOARG:
1214 #if defined(ENABLE_ASSERTION)
1215                         assertion_user_enabled = true;
1216 #endif
1217                         break;
1218
1219                 case OPT_DA_NOARG:
1220 #if defined(ENABLE_ASSERTION)
1221                         assertion_user_enabled = false;
1222 #endif
1223                         break;
1224
1225                 case OPT_ESA:
1226 #if defined(ENABLE_ASSERTION)
1227                         assertion_system_enabled = true;
1228 #endif
1229                         break;
1230
1231                 case OPT_DSA:
1232 #if defined(ENABLE_ASSERTION)
1233                         assertion_system_enabled = false;
1234 #endif
1235                         break;
1236
1237 #if defined(ENABLE_PROFILING)
1238                 case OPT_PROF_OPTION:
1239                         /* use <= to get the last \0 too */
1240
1241                         for (unsigned int i = 0, j = 0; i <= strlen(opt_arg); i++) {
1242                                 if (opt_arg[i] == ',')
1243                                         opt_arg[i] = '\0';
1244
1245                                 if (opt_arg[i] == '\0') {
1246                                         if (strcmp("bb", opt_arg + j) == 0)
1247                                                 opt_prof_bb = true;
1248
1249                                         else {
1250                                                 printf("Unknown option: -Xprof:%s\n", opt_arg + j);
1251                                                 usage();
1252                                         }
1253
1254                                         /* set k to next char */
1255
1256                                         j = i + 1;
1257                                 }
1258                         }
1259                         /* fall through */
1260
1261                 case OPT_PROF:
1262                         opt_prof = true;
1263                         break;
1264 #endif
1265
1266                 case OPT_JIT:
1267 #if defined(ENABLE_JIT)
1268                         opt_jit = true;
1269 #else
1270                         printf("-Xjit option not enabled.\n");
1271                         exit(1);
1272 #endif
1273                         break;
1274
1275                 case OPT_INTRP:
1276 #if defined(ENABLE_INTRP)
1277                         opt_intrp = true;
1278 #else
1279                         printf("-Xint option not enabled.\n");
1280                         exit(1);
1281 #endif
1282                         break;
1283
1284 #if defined(ENABLE_INTRP)
1285                 case OPT_STATIC_SUPERS:
1286                         opt_static_supers = atoi(opt_arg);
1287                         break;
1288
1289                 case OPT_NO_DYNAMIC:
1290                         opt_no_dynamic = true;
1291                         break;
1292
1293                 case OPT_NO_REPLICATION:
1294                         opt_no_replication = true;
1295                         break;
1296
1297                 case OPT_NO_QUICKSUPER:
1298                         opt_no_quicksuper = true;
1299                         break;
1300
1301                 case OPT_TRACE:
1302                         vm_debug = true;
1303                         break;
1304 #endif
1305
1306 #if defined(ENABLE_DEBUG_FILTER)
1307                 case OPT_FILTER_VERBOSECALL_INCLUDE:
1308                         opt_filter_verbosecall_include = opt_arg;
1309                         break;
1310
1311                 case OPT_FILTER_VERBOSECALL_EXCLUDE:
1312                         opt_filter_verbosecall_exclude = opt_arg;
1313                         break;
1314
1315                 case OPT_FILTER_SHOW_METHOD:
1316                         opt_filter_show_method = opt_arg;
1317                         break;
1318
1319 #endif
1320                 default:
1321                         printf("Unknown option: %s\n",
1322                                    vm_args->options[opt_index].optionString);
1323                         usage();
1324                 }
1325         }
1326
1327         // Print the preliminary run-time VM configuration after options
1328         // are parsed.
1329         if (opt_PrintConfig)
1330                 print_run_time_config();
1331
1332 #if defined(ENABLE_JVMTI)
1333         if (jvmti) {
1334                 jvmti_set_phase(JVMTI_PHASE_ONLOAD);
1335                 jvmti_agentload(agentarg, agentbypath, &handle, &libname);
1336
1337                 if (jdwp)
1338                         MFREE(agentarg, char, strlen(agentarg));
1339
1340                 jvmti_set_phase(JVMTI_PHASE_PRIMORDIAL);
1341         }
1342 #endif
1343
1344         /* initialize the garbage collector */
1345
1346         gc_init(opt_heapmaxsize, opt_heapstartsize);
1347
1348 #if defined(ENABLE_THREADS)
1349         /* BEFORE: threads_preinit */
1350
1351         threadlist_init();
1352
1353         /* AFTER: gc_init */
1354
1355         threads_preinit();
1356         lock_init();
1357 #endif
1358
1359         /* install architecture dependent signal handlers */
1360
1361         if (!signal_init())
1362                 VM::get_current()->abort("vm_create: signal_init failed");
1363
1364 #if defined(ENABLE_INTRP)
1365         /* Allocate main thread stack on the Java heap. */
1366
1367         if (opt_intrp) {
1368                 intrp_main_stack = GCMNEW(u1, opt_stacksize);
1369                 MSET(intrp_main_stack, 0, u1, opt_stacksize);
1370         }
1371 #endif
1372
1373         /* AFTER: threads_preinit */
1374
1375         if (!string_init())
1376                 VM::get_current()->abort("vm_create: string_init failed");
1377
1378         /* AFTER: threads_preinit */
1379
1380         utf8_init();
1381
1382         /* AFTER: thread_preinit */
1383
1384         if (!suck_init())
1385                 VM::get_current()->abort("vm_create: suck_init failed");
1386
1387         suck_add_from_property("java.endorsed.dirs");
1388
1389         /* Now we have all options handled and we can print the version
1390            information.
1391
1392            AFTER: suck_add_from_property("java.endorsed.dirs"); */
1393
1394         if (opt_version)
1395                 version(opt_exit);
1396
1397         /* AFTER: utf8_init */
1398
1399         // FIXME Make boot_class_path const char*.
1400         boot_class_path = (char*) properties_get("sun.boot.class.path");
1401         suck_add(boot_class_path);
1402
1403         /* initialize the classcache hashtable stuff: lock, hashtable
1404            (must be done _after_ threads_preinit) */
1405
1406         if (!classcache_init())
1407                 VM::get_current()->abort("vm_create: classcache_init failed");
1408
1409         /* Initialize the code memory management. */
1410         /* AFTER: threads_preinit */
1411
1412         codememory_init();
1413
1414         /* initialize the finalizer stuff (must be done _after_
1415            threads_preinit) */
1416
1417         if (!finalizer_init())
1418                 VM::get_current()->abort("vm_create: finalizer_init failed");
1419
1420         /* Initialize the JIT compiler. */
1421
1422         jit_init();
1423         code_init();
1424         methodtree_init();
1425
1426 #if defined(ENABLE_PYTHON)
1427         pythonpass_init();
1428 #endif
1429
1430         /* BEFORE: loader_preinit */
1431
1432         Package::initialize();
1433
1434         /* AFTER: utf8_init, classcache_init */
1435
1436         loader_preinit();
1437         linker_preinit();
1438
1439         // AFTER: loader_preinit, linker_preinit
1440         Primitive::initialize_table();
1441
1442         loader_init();
1443         linker_init();
1444
1445         // AFTER: loader_init, linker_init
1446         Primitive::post_initialize_table();
1447         method_init();
1448
1449 #if defined(ENABLE_JIT)
1450         trap_init();
1451 #endif
1452
1453         if (!builtin_init())
1454                 VM::get_current()->abort("vm_create: builtin_init failed");
1455
1456         /* Initialize the native subsystem. */
1457         /* BEFORE: threads_init */
1458
1459         if (!native_init())
1460                 VM::get_current()->abort("vm_create: native_init failed");
1461
1462         /* Register the native methods implemented in the VM. */
1463         /* BEFORE: threads_init */
1464
1465         nativevm_preinit();
1466
1467 #if defined(ENABLE_JNI)
1468         /* Initialize the JNI subsystem (must be done _before_
1469            threads_init, as threads_init can call JNI methods
1470            (e.g. NewGlobalRef). */
1471
1472         if (!jni_init())
1473                 VM::get_current()->abort("vm_create: jni_init failed");
1474 #endif
1475
1476 #if defined(ENABLE_JNI) || defined(ENABLE_HANDLES)
1477         /* Initialize the local reference table for the main thread. */
1478         /* BEFORE: threads_init */
1479
1480         if (!localref_table_init())
1481                 VM::get_current()->abort("vm_create: localref_table_init failed");
1482 #endif
1483
1484         /* Iinitialize some important system classes. */
1485         /* BEFORE: threads_init */
1486
1487         initialize_init();
1488
1489 #if defined(ENABLE_THREADS)
1490         threads_init();
1491 #endif
1492
1493         /* Initialize the native VM subsystem. */
1494         /* AFTER: threads_init (at least for SUN's classes) */
1495
1496         nativevm_init();
1497
1498 #if defined(ENABLE_PROFILING)
1499         /* initialize profiling */
1500
1501         if (!profile_init())
1502                 VM::get_current()->abort("vm_create: profile_init failed");
1503 #endif
1504
1505 #if defined(ENABLE_THREADS)
1506         /* initialize recompilation */
1507
1508         if (!recompile_init())
1509                 VM::get_current()->abort("vm_create: recompile_init failed");
1510
1511         /* start the signal handler thread */
1512
1513 #if defined(__LINUX__)
1514         /* XXX Remove for exact-GC. */
1515         if (threads_pthreads_implementation_nptl)
1516 #endif
1517                 if (!signal_start_thread())
1518                         VM::get_current()->abort("vm_create: signal_start_thread failed");
1519
1520         /* finally, start the finalizer thread */
1521
1522         if (!finalizer_start_thread())
1523                 VM::get_current()->abort("vm_create: finalizer_start_thread failed");
1524
1525 # if !defined(NDEBUG)
1526         /* start the memory profiling thread */
1527
1528         if (opt_ProfileMemoryUsage || opt_ProfileGCMemoryUsage)
1529                 if (!memory_start_thread())
1530                         VM::get_current()->abort("vm_create: memory_start_thread failed");
1531 # endif
1532
1533         /* start the recompilation thread (must be done before the
1534            profiling thread) */
1535
1536         if (!recompile_start_thread())
1537                 VM::get_current()->abort("vm_create: recompile_start_thread failed");
1538
1539 # if defined(ENABLE_PROFILING)
1540         /* start the profile sampling thread */
1541
1542 /*      if (opt_prof) */
1543 /*              if (!profile_start_thread()) */
1544 /*                      VM::get_current()->abort("vm_create: profile_start_thread failed"); */
1545 # endif
1546 #endif
1547
1548 #if defined(ENABLE_JVMTI)
1549 # if defined(ENABLE_GC_CACAO)
1550         /* XXX this will not work with the new indirection cells for classloaders!!! */
1551         assert(0);
1552 # endif
1553         if (jvmti) {
1554                 /* add agent library to native library hashtable */
1555                 native_hashtable_library_add(utf_new_char(libname), class_java_lang_Object->classloader, handle);
1556         }
1557 #endif
1558
1559         /* Increment the number of VMs. */
1560
1561         vms++;
1562
1563         // Initialization is done, VM is created.
1564         _created      = true;
1565         _initializing = false;
1566         
1567         // Print the run-time VM configuration after all stuff is set and
1568         // the VM is initialized.
1569         if (opt_PrintConfig)
1570                 print_run_time_config();
1571 }
1572
1573
1574 /**
1575  * Print build-time (default) VM configuration.
1576  */
1577 void VM::print_build_time_config(void)
1578 {
1579         puts("CACAO "VERSION" configure/build options:");
1580         puts("");
1581         puts("  ./configure: "VERSION_CONFIGURE_ARGS"");
1582 #if defined(__VERSION__)
1583         puts("  CC         : "VERSION_CC" ("__VERSION__")");
1584         puts("  CXX        : "VERSION_CXX" ("__VERSION__")");
1585 #else
1586         puts("  CC         : "VERSION_CC"");
1587         puts("  CXX        : "VERSION_CXX"");
1588 #endif
1589         puts("  CFLAGS     : "VERSION_CFLAGS"");
1590         puts("  CXXFLAGS   : "VERSION_CXXFLAGS"");
1591
1592         puts("");
1593
1594         puts("Build-time (default) variables:\n");
1595         printf("  maximum heap size              : %d\n", HEAP_MAXSIZE);
1596         printf("  initial heap size              : %d\n", HEAP_STARTSIZE);
1597         printf("  stack size                     : %d\n", STACK_SIZE);
1598
1599 #if defined(ENABLE_JRE_LAYOUT)
1600         // When we're building with JRE-layout, the default paths are the
1601         // same as the runtime paths.
1602 #else
1603 # if defined(WITH_JAVA_RUNTIME_LIBRARY_GNU_CLASSPATH)
1604         puts("  gnu.classpath.boot.library.path: "JAVA_RUNTIME_LIBRARY_LIBDIR);
1605         puts("  java.boot.class.path           : "CACAO_VM_ZIP":"JAVA_RUNTIME_LIBRARY_CLASSES"");
1606 # elif defined(WITH_JAVA_RUNTIME_LIBRARY_OPENJDK)
1607         puts("  sun.boot.library.path          : "JAVA_RUNTIME_LIBRARY_LIBDIR);
1608         puts("  java.boot.class.path           : "JAVA_RUNTIME_LIBRARY_CLASSES);
1609 # endif
1610 #endif
1611
1612         puts("");
1613 }
1614
1615
1616 /**
1617  * Print run-time VM configuration.
1618  */
1619 void VM::print_run_time_config(void)
1620 {
1621         puts("Run-time variables:\n");
1622         printf("  maximum heap size              : %d\n", opt_heapmaxsize);
1623         printf("  initial heap size              : %d\n", opt_heapstartsize);
1624         printf("  stack size                     : %d\n", opt_stacksize);
1625
1626 #if defined(WITH_JAVA_RUNTIME_LIBRARY_GNU_CLASSPATH)
1627         printf("  gnu.classpath.boot.library.path: %s\n", properties_get("gnu.classpath.boot.library.path"));
1628 #elif defined(WITH_JAVA_RUNTIME_LIBRARY_OPENJDK)
1629         printf("  sun.boot.library.path          : %s\n", properties_get("sun.boot.library.path"));
1630 #endif
1631
1632         printf("  java.boot.class.path           : %s\n", properties_get("java.boot.class.path"));
1633         printf("  java.class.path                : %s\n", properties_get("java.class.path"));
1634
1635         puts("");
1636 }
1637
1638
1639 /* vm_run **********************************************************************
1640
1641    Runs the main-method of the passed class.
1642
1643 *******************************************************************************/
1644
1645 void vm_run(JavaVM *vm, JavaVMInitArgs *vm_args)
1646 {
1647         char*                      option;
1648         char*                      mainname;
1649         char*                      p;
1650         utf                       *mainutf;
1651         classinfo                 *mainclass;
1652         java_handle_t             *e;
1653         methodinfo                *m;
1654         java_handle_objectarray_t *oa; 
1655         s4                         oalength;
1656         utf                       *u;
1657         java_handle_t             *s;
1658         int                        status;
1659
1660         // Prevent compiler warnings.
1661         oa = NULL;
1662
1663 #if !defined(NDEBUG)
1664         if (compileall) {
1665                 vm_compile_all();
1666                 return;
1667         }
1668 #endif
1669
1670         /* Get the main class plus it's arguments. */
1671
1672         mainname = NULL;
1673
1674         if (opt_index < vm_args->nOptions) {
1675                 /* Get main-class argument. */
1676
1677                 mainname = vm_args->options[opt_index].optionString;
1678
1679                 /* If the main class argument is a jar file, put it into the
1680                    classpath. */
1681
1682                 if (opt_jar == true) {
1683                         p = MNEW(char, strlen(mainname) + strlen("0"));
1684
1685                         strcpy(p, mainname);
1686
1687 #if defined(ENABLE_JAVASE)
1688                         properties_add("java.class.path", p);
1689 #endif
1690                 }
1691                 else {
1692                         /* Replace dots with slashes in the class name. */
1693
1694                         for (unsigned int i = 0; i < strlen(mainname); i++)
1695                                 if (mainname[i] == '.')
1696                                         mainname[i] = '/';
1697                 }
1698
1699                 /* Build argument array.  Move index to first argument. */
1700
1701                 opt_index++;
1702
1703                 oalength = vm_args->nOptions - opt_index;
1704
1705                 oa = builtin_anewarray(oalength, class_java_lang_String);
1706
1707                 for (int i = 0; i < oalength; i++) {
1708                         option = vm_args->options[opt_index + i].optionString;
1709
1710                         u = utf_new_char(option);
1711                         s = javastring_new(u);
1712
1713                         array_objectarray_element_set(oa, i, s);
1714                 }
1715         }
1716
1717         /* Do we have a main-class argument? */
1718
1719         if (mainname == NULL)
1720                 usage();
1721
1722 #if !defined(NDEBUG)
1723         if (opt_method != NULL) {
1724                 vm_compile_method(mainname);
1725                 return;
1726         }
1727 #endif
1728
1729         /* set return value to OK */
1730
1731         status = 0;
1732
1733         if (opt_jar == true) {
1734                 /* open jar file with java.util.jar.JarFile */
1735
1736                 mainname = vm_get_mainclass_from_jar(mainname);
1737
1738                 if (mainname == NULL)
1739                         vm_exit(1);
1740         }
1741
1742         /* load the main class */
1743
1744         mainutf = utf_new_char(mainname);
1745
1746 #if defined(ENABLE_JAVAME_CLDC1_1)
1747         mainclass = load_class_bootstrap(mainutf);
1748 #else
1749         mainclass = load_class_from_sysloader(mainutf);
1750 #endif
1751
1752         /* error loading class */
1753
1754         e = exceptions_get_and_clear_exception();
1755
1756         if ((e != NULL) || (mainclass == NULL)) {
1757                 exceptions_throw_noclassdeffounderror_cause(e);
1758                 exceptions_print_stacktrace(); 
1759                 vm_exit(1);
1760         }
1761
1762         if (!link_class(mainclass)) {
1763                 exceptions_print_stacktrace();
1764                 vm_exit(1);
1765         }
1766                         
1767         /* find the `main' method of the main class */
1768
1769         m = class_resolveclassmethod(mainclass,
1770                                                                  utf_new_char("main"), 
1771                                                                  utf_new_char("([Ljava/lang/String;)V"),
1772                                                                  class_java_lang_Object,
1773                                                                  false);
1774
1775         if (exceptions_get_exception()) {
1776                 exceptions_print_stacktrace();
1777                 vm_exit(1);
1778         }
1779
1780         /* there is no main method or it isn't static */
1781
1782         if ((m == NULL) || !(m->flags & ACC_STATIC)) {
1783                 exceptions_clear_exception();
1784                 exceptions_throw_nosuchmethoderror(mainclass,
1785                                                                                    utf_new_char("main"), 
1786                                                                                    utf_new_char("([Ljava/lang/String;)V"));
1787
1788                 exceptions_print_stacktrace();
1789                 vm_exit(1);
1790         }
1791
1792 #ifdef TYPEINFO_DEBUG_TEST
1793         /* test the typeinfo system */
1794         typeinfo_test();
1795 #endif
1796
1797 #if defined(ENABLE_JVMTI)
1798         jvmti_set_phase(JVMTI_PHASE_LIVE);
1799 #endif
1800
1801         /* set ThreadMXBean variables */
1802
1803 //      _Jv_jvm->java_lang_management_ThreadMXBean_ThreadCount++;
1804 //      _Jv_jvm->java_lang_management_ThreadMXBean_TotalStartedThreadCount++;
1805
1806 //      if (_Jv_jvm->java_lang_management_ThreadMXBean_ThreadCount >
1807 //              _Jv_jvm->java_lang_management_ThreadMXBean_PeakThreadCount)
1808 //              _Jv_jvm->java_lang_management_ThreadMXBean_PeakThreadCount =
1809 //                      _Jv_jvm->java_lang_management_ThreadMXBean_ThreadCount;
1810 #warning Move to C++
1811
1812         /* start the main thread */
1813
1814         (void) vm_call_method(m, NULL, oa);
1815
1816         /* exception occurred? */
1817
1818         if (exceptions_get_exception()) {
1819                 exceptions_print_stacktrace();
1820                 status = 1;
1821         }
1822
1823 #if defined(ENABLE_THREADS)
1824     /* Detach the main thread so that it appears to have ended when
1825            the application's main method exits. */
1826
1827         if (!thread_detach_current_thread())
1828                 VM::get_current()->abort("vm_run: Could not detach main thread.");
1829 #endif
1830
1831         /* Destroy the JavaVM. */
1832
1833         (void) vm_destroy(vm);
1834
1835         /* And exit. */
1836
1837         vm_exit(status);
1838 }
1839
1840
1841 /* vm_destroy ******************************************************************
1842
1843    Unloads a Java VM and reclaims its resources.
1844
1845 *******************************************************************************/
1846
1847 int vm_destroy(JavaVM *vm)
1848 {
1849 #if defined(ENABLE_THREADS)
1850         /* Create a a trivial new Java waiter thread called
1851            "DestroyJavaVM". */
1852
1853         JavaVMAttachArgs args;
1854
1855         args.name  = (char*) "DestroyJavaVM";
1856         args.group = NULL;
1857
1858         if (!thread_attach_current_thread(&args, false))
1859                 return 1;
1860
1861         /* Wait until we are the last non-daemon thread. */
1862
1863         threads_join_all_threads();
1864 #endif
1865
1866         /* VM is gone. */
1867
1868 //      _created = false;
1869 #warning Move to C++
1870
1871         /* Everything is ok. */
1872
1873         return 0;
1874 }
1875
1876
1877 /* vm_exit *********************************************************************
1878
1879    Calls java.lang.System.exit(I)V to exit the JavaVM correctly.
1880
1881 *******************************************************************************/
1882
1883 void vm_exit(s4 status)
1884 {
1885         methodinfo *m;
1886
1887         /* signal that we are exiting */
1888
1889 //      _exiting = true;
1890 #warning Move to C++
1891
1892         assert(class_java_lang_System);
1893         assert(class_java_lang_System->state & CLASS_LOADED);
1894
1895 #if defined(ENABLE_JVMTI)
1896         if (jvmti || (dbgcom!=NULL)) {
1897                 jvmti_set_phase(JVMTI_PHASE_DEAD);
1898                 if (jvmti) jvmti_agentunload();
1899         }
1900 #endif
1901
1902         if (!link_class(class_java_lang_System)) {
1903                 exceptions_print_stacktrace();
1904                 exit(1);
1905         }
1906
1907         /* call java.lang.System.exit(I)V */
1908
1909         m = class_resolveclassmethod(class_java_lang_System,
1910                                                                  utf_new_char("exit"),
1911                                                                  utf_int__void,
1912                                                                  class_java_lang_Object,
1913                                                                  true);
1914         
1915         if (m == NULL) {
1916                 exceptions_print_stacktrace();
1917                 exit(1);
1918         }
1919
1920         /* call the exit function with passed exit status */
1921
1922         (void) vm_call_method(m, NULL, status);
1923
1924         /* If we had an exception, just ignore the exception and exit with
1925            the proper code. */
1926
1927         vm_shutdown(status);
1928 }
1929
1930
1931 /* vm_shutdown *****************************************************************
1932
1933    Terminates the system immediately without freeing memory explicitly
1934    (to be used only for abnormal termination).
1935         
1936 *******************************************************************************/
1937
1938 void vm_shutdown(s4 status)
1939 {
1940         if (opt_verbose 
1941 #if defined(ENABLE_STATISTICS)
1942                 || opt_getcompilingtime || opt_stat
1943 #endif
1944            ) 
1945         {
1946                 log_text("CACAO terminated by shutdown");
1947                 dolog("Exit status: %d\n", (s4) status);
1948
1949         }
1950
1951 #if defined(ENABLE_JVMTI)
1952         /* terminate cacaodbgserver */
1953         if (dbgcom!=NULL) {
1954                 mutex_lock(&dbgcomlock);
1955                 dbgcom->running=1;
1956                 mutex_unlock(&dbgcomlock);
1957                 jvmti_cacaodbgserver_quit();
1958         }       
1959 #endif
1960
1961         exit(status);
1962 }
1963
1964
1965 /* vm_exit_handler *************************************************************
1966
1967    The exit_handler function is called upon program termination.
1968
1969    ATTENTION: Don't free system resources here! Some threads may still
1970    be running as this is called from VMRuntime.exit(). The OS does the
1971    cleanup for us.
1972
1973 *******************************************************************************/
1974
1975 void vm_exit_handler(void)
1976 {
1977 #if !defined(NDEBUG)
1978         if (showmethods)
1979                 class_showmethods(mainclass);
1980
1981         if (showconstantpool)
1982                 class_showconstantpool(mainclass);
1983
1984         if (showutf)
1985                 utf_show();
1986
1987 # if defined(ENABLE_PROFILING)
1988         if (opt_prof)
1989                 profile_printstats();
1990 # endif
1991 #endif /* !defined(NDEBUG) */
1992
1993 #if defined(ENABLE_RT_TIMING)
1994         rt_timing_print_time_stats(stderr);
1995 #endif
1996
1997 #if defined(ENABLE_CYCLES_STATS)
1998         builtin_print_cycles_stats(stderr);
1999         stacktrace_print_cycles_stats(stderr);
2000 #endif
2001
2002         if (opt_verbose 
2003 #if defined(ENABLE_STATISTICS)
2004                 || opt_getcompilingtime || opt_stat
2005 #endif
2006            ) 
2007         {
2008                 log_text("CACAO terminated");
2009
2010 #if defined(ENABLE_STATISTICS)
2011                 if (opt_stat) {
2012                         print_stats();
2013 #ifdef TYPECHECK_STATISTICS
2014                         typecheck_print_statistics(get_logfile());
2015 #endif
2016                 }
2017
2018                 if (opt_getcompilingtime)
2019                         print_times();
2020 #endif /* defined(ENABLE_STATISTICS) */
2021         }
2022         /* vm_print_profile(stderr);*/
2023 }
2024
2025
2026 /**
2027  * Prints an error message and aborts the VM.
2028  *
2029  * @param text Error message to print.
2030  */
2031 void VM::abort(const char* text, ...)
2032 {
2033         va_list ap;
2034
2035         // Print the log message.
2036         log_start();
2037
2038         va_start(ap, text);
2039         log_vprint(text, ap);
2040         va_end(ap);
2041
2042         log_finish();
2043
2044         // Print a backtrace.
2045         os::print_backtrace();
2046
2047         // Now abort the VM.
2048         os::abort();
2049 }
2050
2051
2052 /**
2053  * Prints an error message, appends ":" plus the strerror-message of
2054  * errnum and aborts the VM.
2055  *
2056  * @param errnum Error number.
2057  * @param text   Error message to print.
2058  */
2059 void VM::abort_errnum(int errnum, const char* text, ...)
2060 {
2061         va_list ap;
2062
2063         // Print the log message.
2064         log_start();
2065
2066         va_start(ap, text);
2067         log_vprint(text, ap);
2068         va_end(ap);
2069
2070         // Print the strerror-message of errnum.
2071         log_print(": %s", os::strerror(errnum));
2072
2073         log_finish();
2074
2075         // Print a backtrace.
2076         os::print_backtrace();
2077
2078         // Now abort the VM.
2079         os::abort();
2080 }
2081
2082
2083 /**
2084  * Equal to VM::abort_errnum, but uses errno to get the error number.
2085  *
2086  * @param text Error message to print.
2087  */
2088 void VM::abort_errno(const char* text, ...)
2089 {
2090         va_list ap;
2091
2092         va_start(ap, text);
2093         abort_errnum(errno, text, ap);
2094         va_end(ap);
2095 }
2096
2097
2098 /* vm_abort_disassemble ********************************************************
2099
2100    Prints an error message, disassemble the given code range (if
2101    enabled) and aborts the VM.
2102
2103    IN:
2104        pc.......PC to disassemble
2105            count....number of instructions to disassemble
2106
2107 *******************************************************************************/
2108
2109 void vm_abort_disassemble(void *pc, int count, const char *text, ...)
2110 {
2111         va_list ap;
2112 #if defined(ENABLE_DISASSEMBLER)
2113         int     i;
2114 #endif
2115
2116         /* Print debug message. */
2117
2118         log_start();
2119
2120         va_start(ap, text);
2121         log_vprint(text, ap);
2122         va_end(ap);
2123
2124         log_finish();
2125
2126         /* Print the PC. */
2127
2128 #if SIZEOF_VOID_P == 8
2129         log_println("PC=0x%016lx", pc);
2130 #else
2131         log_println("PC=0x%08x", pc);
2132 #endif
2133
2134 #if defined(ENABLE_DISASSEMBLER)
2135         log_println("machine instructions at PC:");
2136
2137         /* Disassemble the given number of instructions. */
2138
2139         for (i = 0; i < count; i++)
2140                 // FIXME disassinstr should use void*.
2141                 pc = disassinstr((u1*) pc);
2142 #endif
2143
2144         VM::get_current()->abort("Aborting...");
2145 }
2146
2147
2148 /* vm_get_mainclass_from_jar ***************************************************
2149
2150    Gets the name of the main class from a JAR's manifest file.
2151
2152 *******************************************************************************/
2153
2154 static char *vm_get_mainclass_from_jar(char *mainname)
2155 {
2156         classinfo     *c;
2157         java_handle_t *o;
2158         methodinfo    *m;
2159         java_handle_t *s;
2160
2161         c = load_class_from_sysloader(utf_new_char("java/util/jar/JarFile"));
2162
2163         if (c == NULL) {
2164                 exceptions_print_stacktrace();
2165                 return NULL;
2166         }
2167
2168         /* create JarFile object */
2169
2170         o = builtin_new(c);
2171
2172         if (o == NULL) {
2173                 exceptions_print_stacktrace();
2174                 return NULL;
2175         }
2176
2177         m = class_resolveclassmethod(c,
2178                                                                  utf_init, 
2179                                                                  utf_java_lang_String__void,
2180                                                                  class_java_lang_Object,
2181                                                                  true);
2182
2183         if (m == NULL) {
2184                 exceptions_print_stacktrace();
2185                 return NULL;
2186         }
2187
2188         s = javastring_new_from_ascii(mainname);
2189
2190         (void) vm_call_method(m, o, s);
2191
2192         if (exceptions_get_exception()) {
2193                 exceptions_print_stacktrace();
2194                 return NULL;
2195         }
2196
2197         /* get manifest object */
2198
2199         m = class_resolveclassmethod(c,
2200                                                                  utf_new_char("getManifest"), 
2201                                                                  utf_new_char("()Ljava/util/jar/Manifest;"),
2202                                                                  class_java_lang_Object,
2203                                                                  true);
2204
2205         if (m == NULL) {
2206                 exceptions_print_stacktrace();
2207                 return NULL;
2208         }
2209
2210         o = vm_call_method(m, o);
2211
2212         if (o == NULL) {
2213                 fprintf(stderr, "Could not get manifest from %s (invalid or corrupt jarfile?)\n", mainname);
2214                 return NULL;
2215         }
2216
2217
2218         /* get Main Attributes */
2219
2220         LLNI_class_get(o, c);
2221
2222         m = class_resolveclassmethod(c,
2223                                                                  utf_new_char("getMainAttributes"), 
2224                                                                  utf_new_char("()Ljava/util/jar/Attributes;"),
2225                                                                  class_java_lang_Object,
2226                                                                  true);
2227
2228         if (m == NULL) {
2229                 exceptions_print_stacktrace();
2230                 return NULL;
2231         }
2232
2233         o = vm_call_method(m, o);
2234
2235         if (o == NULL) {
2236                 fprintf(stderr, "Could not get main attributes from %s (invalid or corrupt jarfile?)\n", mainname);
2237                 return NULL;
2238         }
2239
2240
2241         /* get property Main-Class */
2242
2243         LLNI_class_get(o, c);
2244
2245         m = class_resolveclassmethod(c,
2246                                                                  utf_new_char("getValue"), 
2247                                                                  utf_new_char("(Ljava/lang/String;)Ljava/lang/String;"),
2248                                                                  class_java_lang_Object,
2249                                                                  true);
2250
2251         if (m == NULL) {
2252                 exceptions_print_stacktrace();
2253                 return NULL;
2254         }
2255
2256         s = javastring_new_from_ascii("Main-Class");
2257
2258         o = vm_call_method(m, o, s);
2259
2260         if (o == NULL) {
2261                 fprintf(stderr, "Failed to load Main-Class manifest attribute from\n");
2262                 fprintf(stderr, "%s\n", mainname);
2263                 return NULL;
2264         }
2265
2266         return javastring_tochar(o);
2267 }
2268
2269
2270 /* vm_compile_all **************************************************************
2271
2272    Compile all methods found in the bootclasspath.
2273
2274 *******************************************************************************/
2275
2276 #if !defined(NDEBUG)
2277 static void vm_compile_all(void)
2278 {
2279         classinfo              *c;
2280         methodinfo             *m;
2281         u4                      slot;
2282         classcache_name_entry  *nmen;
2283         classcache_class_entry *clsen;
2284         s4                      i;
2285
2286         /* create all classes found in the bootclasspath */
2287         /* XXX currently only works with zip/jar's */
2288
2289         loader_load_all_classes();
2290
2291         /* link all classes */
2292
2293         for (slot = 0; slot < hashtable_classcache.size; slot++) {
2294                 nmen = (classcache_name_entry *) hashtable_classcache.ptr[slot];
2295
2296                 for (; nmen; nmen = nmen->hashlink) {
2297                         /* iterate over all class entries */
2298
2299                         for (clsen = nmen->classes; clsen; clsen = clsen->next) {
2300                                 c = clsen->classobj;
2301
2302                                 if (c == NULL)
2303                                         continue;
2304
2305                                 if (!(c->state & CLASS_LINKED)) {
2306                                         if (!link_class(c)) {
2307                                                 fprintf(stderr, "Error linking: ");
2308                                                 utf_fprint_printable_ascii_classname(stderr, c->name);
2309                                                 fprintf(stderr, "\n");
2310
2311                                                 /* print out exception and cause */
2312
2313                                                 exceptions_print_current_exception();
2314
2315                                                 /* goto next class */
2316
2317                                                 continue;
2318                                         }
2319                                 }
2320
2321                                 /* compile all class methods */
2322
2323                                 for (i = 0; i < c->methodscount; i++) {
2324                                         m = &(c->methods[i]);
2325
2326                                         if (m->jcode != NULL) {
2327                                                 if (!jit_compile(m)) {
2328                                                         fprintf(stderr, "Error compiling: ");
2329                                                         utf_fprint_printable_ascii_classname(stderr, c->name);
2330                                                         fprintf(stderr, ".");
2331                                                         utf_fprint_printable_ascii(stderr, m->name);
2332                                                         utf_fprint_printable_ascii(stderr, m->descriptor);
2333                                                         fprintf(stderr, "\n");
2334
2335                                                         /* print out exception and cause */
2336
2337                                                         exceptions_print_current_exception();
2338                                                 }
2339                                         }
2340                                 }
2341                         }
2342                 }
2343         }
2344 }
2345 #endif /* !defined(NDEBUG) */
2346
2347
2348 /* vm_compile_method ***********************************************************
2349
2350    Compile a specific method.
2351
2352 *******************************************************************************/
2353
2354 #if !defined(NDEBUG)
2355 static void vm_compile_method(char* mainname)
2356 {
2357         methodinfo *m;
2358
2359         /* create, load and link the main class */
2360
2361         mainclass = load_class_bootstrap(utf_new_char(mainname));
2362
2363         if (mainclass == NULL)
2364                 exceptions_print_stacktrace();
2365
2366         if (!link_class(mainclass))
2367                 exceptions_print_stacktrace();
2368
2369         if (opt_signature != NULL) {
2370                 m = class_resolveclassmethod(mainclass,
2371                                                                          utf_new_char(opt_method),
2372                                                                          utf_new_char(opt_signature),
2373                                                                          mainclass,
2374                                                                          false);
2375         }
2376         else {
2377                 m = class_resolveclassmethod(mainclass,
2378                                                                          utf_new_char(opt_method),
2379                                                                          NULL,
2380                                                                          mainclass,
2381                                                                          false);
2382         }
2383
2384         if (m == NULL)
2385                 VM::get_current()->abort("vm_compile_method: java.lang.NoSuchMethodException: %s.%s",
2386                                  opt_method, opt_signature ? opt_signature : "");
2387                 
2388         jit_compile(m);
2389 }
2390 #endif /* !defined(NDEBUG) */
2391
2392
2393 /* vm_call_array ***************************************************************
2394
2395    Calls a Java method with a variable number of arguments, passed via
2396    an argument array.
2397
2398    ATTENTION: This function has to be used outside the nativeworld.
2399
2400 *******************************************************************************/
2401
2402 #define VM_CALL_ARRAY(name, type)                                 \
2403 static type vm_call##name##_array(methodinfo *m, uint64_t *array) \
2404 {                                                                 \
2405         methoddesc *md;                                               \
2406         void       *pv;                                               \
2407         type        value;                                            \
2408                                                                   \
2409         assert(m->code != NULL);                                      \
2410                                                                   \
2411         md = m->parseddesc;                                           \
2412         pv = m->code->entrypoint;                                     \
2413                                                                   \
2414         STATISTICS(count_calls_native_to_java++);                     \
2415                                                                   \
2416         value = asm_vm_call_method##name(pv, array, md->memuse);      \
2417                                                                   \
2418         return value;                                                 \
2419 }
2420
2421 static java_handle_t *vm_call_array(methodinfo *m, uint64_t *array)
2422 {
2423         methoddesc    *md;
2424         void          *pv;
2425         java_object_t *o;
2426
2427         assert(m->code != NULL);
2428
2429         md = m->parseddesc;
2430         pv = m->code->entrypoint;
2431
2432         STATISTICS(count_calls_native_to_java++);
2433
2434         o = asm_vm_call_method(pv, array, md->memuse);
2435
2436         if (md->returntype.type == TYPE_VOID)
2437                 o = NULL;
2438
2439         return LLNI_WRAP(o);
2440 }
2441
2442 VM_CALL_ARRAY(_int,    int32_t)
2443 VM_CALL_ARRAY(_long,   int64_t)
2444 VM_CALL_ARRAY(_float,  float)
2445 VM_CALL_ARRAY(_double, double)
2446
2447
2448 /* vm_call_method **************************************************************
2449
2450    Calls a Java method with a variable number of arguments.
2451
2452 *******************************************************************************/
2453
2454 #define VM_CALL_METHOD(name, type)                                  \
2455 type vm_call_method##name(methodinfo *m, java_handle_t *o, ...)     \
2456 {                                                                   \
2457         va_list ap;                                                     \
2458         type    value;                                                  \
2459                                                                     \
2460         va_start(ap, o);                                                \
2461         value = vm_call_method##name##_valist(m, o, ap);                \
2462         va_end(ap);                                                     \
2463                                                                     \
2464         return value;                                                   \
2465 }
2466
2467 VM_CALL_METHOD(,        java_handle_t *)
2468 VM_CALL_METHOD(_int,    int32_t)
2469 VM_CALL_METHOD(_long,   int64_t)
2470 VM_CALL_METHOD(_float,  float)
2471 VM_CALL_METHOD(_double, double)
2472
2473
2474 /* vm_call_method_valist *******************************************************
2475
2476    Calls a Java method with a variable number of arguments, passed via
2477    a va_list.
2478
2479 *******************************************************************************/
2480
2481 #define VM_CALL_METHOD_VALIST(name, type)                               \
2482 type vm_call_method##name##_valist(methodinfo *m, java_handle_t *o,     \
2483                                                                    va_list ap)                          \
2484 {                                                                       \
2485         uint64_t *array;                                                    \
2486         type      value;                                                    \
2487         int32_t   dumpmarker;                                               \
2488                                                                         \
2489         if (m->code == NULL)                                                \
2490                 if (!jit_compile(m))                                            \
2491                         return 0;                                                   \
2492                                                                         \
2493         THREAD_NATIVEWORLD_EXIT;                                            \
2494         DMARKER;                                                            \
2495                                                                         \
2496         array = argument_vmarray_from_valist(m, o, ap);                     \
2497         value = vm_call##name##_array(m, array);                            \
2498                                                                         \
2499         DRELEASE;                                                           \
2500         THREAD_NATIVEWORLD_ENTER;                                           \
2501                                                                         \
2502         return value;                                                       \
2503 }
2504
2505 VM_CALL_METHOD_VALIST(,        java_handle_t *)
2506 VM_CALL_METHOD_VALIST(_int,    int32_t)
2507 VM_CALL_METHOD_VALIST(_long,   int64_t)
2508 VM_CALL_METHOD_VALIST(_float,  float)
2509 VM_CALL_METHOD_VALIST(_double, double)
2510
2511
2512 /* vm_call_method_jvalue *******************************************************
2513
2514    Calls a Java method with a variable number of arguments, passed via
2515    a jvalue array.
2516
2517 *******************************************************************************/
2518
2519 #define VM_CALL_METHOD_JVALUE(name, type)                               \
2520 type vm_call_method##name##_jvalue(methodinfo *m, java_handle_t *o,     \
2521                                                            const jvalue *args)                  \
2522 {                                                                       \
2523         uint64_t *array;                                                    \
2524         type      value;                                                    \
2525         int32_t   dumpmarker;                                               \
2526                                                                         \
2527         if (m->code == NULL)                                                \
2528                 if (!jit_compile(m))                                            \
2529                         return 0;                                                   \
2530                                                                         \
2531         THREAD_NATIVEWORLD_EXIT;                                            \
2532         DMARKER;                                                            \
2533                                                                         \
2534         array = argument_vmarray_from_jvalue(m, o, args);                   \
2535         value = vm_call##name##_array(m, array);                            \
2536                                                                         \
2537         DRELEASE;                                                           \
2538         THREAD_NATIVEWORLD_ENTER;                                           \
2539                                                                         \
2540         return value;                                                       \
2541 }
2542
2543 VM_CALL_METHOD_JVALUE(,        java_handle_t *)
2544 VM_CALL_METHOD_JVALUE(_int,    int32_t)
2545 VM_CALL_METHOD_JVALUE(_long,   int64_t)
2546 VM_CALL_METHOD_JVALUE(_float,  float)
2547 VM_CALL_METHOD_JVALUE(_double, double)
2548
2549
2550 /* vm_call_method_objectarray **************************************************
2551
2552    Calls a Java method with a variable number if arguments, passed via
2553    an objectarray of boxed values. Returns a boxed value.
2554
2555 *******************************************************************************/
2556
2557 java_handle_t *vm_call_method_objectarray(methodinfo *m, java_handle_t *o,
2558                                                                                   java_handle_objectarray_t *params)
2559 {
2560         uint64_t      *array;
2561         java_handle_t *xptr;
2562         java_handle_t *ro;
2563         imm_union      value;
2564         int32_t        dumpmarker;
2565
2566         /* Prevent compiler warnings. */
2567
2568         ro = NULL;
2569
2570         /* compile methods which are not yet compiled */
2571
2572         if (m->code == NULL)
2573                 if (!jit_compile(m))
2574                         return NULL;
2575
2576         /* leave the nativeworld */
2577
2578         THREAD_NATIVEWORLD_EXIT;
2579
2580         /* mark start of dump memory area */
2581
2582         DMARKER;
2583
2584         /* Fill the argument array from a object-array. */
2585
2586         array = argument_vmarray_from_objectarray(m, o, params);
2587
2588         if (array == NULL) {
2589                 /* release dump area */
2590
2591                 DRELEASE;
2592
2593                 /* enter the nativeworld again */
2594
2595                 THREAD_NATIVEWORLD_ENTER;
2596
2597                 exceptions_throw_illegalargumentexception();
2598
2599                 return NULL;
2600         }
2601
2602         switch (m->parseddesc->returntype.primitivetype) {
2603         case PRIMITIVETYPE_VOID:
2604                 value.a = vm_call_array(m, array);
2605                 break;
2606
2607         case PRIMITIVETYPE_BOOLEAN:
2608         case PRIMITIVETYPE_BYTE:
2609         case PRIMITIVETYPE_CHAR:
2610         case PRIMITIVETYPE_SHORT:
2611         case PRIMITIVETYPE_INT:
2612                 value.i = vm_call_int_array(m, array);
2613                 break;
2614
2615         case PRIMITIVETYPE_LONG:
2616                 value.l = vm_call_long_array(m, array);
2617                 break;
2618
2619         case PRIMITIVETYPE_FLOAT:
2620                 value.f = vm_call_float_array(m, array);
2621                 break;
2622
2623         case PRIMITIVETYPE_DOUBLE:
2624                 value.d = vm_call_double_array(m, array);
2625                 break;
2626
2627         case TYPE_ADR:
2628                 ro = vm_call_array(m, array);
2629                 break;
2630
2631         default:
2632                 VM::get_current()->abort("vm_call_method_objectarray: invalid return type %d", m->parseddesc->returntype.primitivetype);
2633         }
2634
2635         /* release dump area */
2636
2637         DRELEASE;
2638
2639         /* enter the nativeworld again */
2640
2641         THREAD_NATIVEWORLD_ENTER;
2642
2643         /* box the return value if necesarry */
2644
2645         if (m->parseddesc->returntype.primitivetype != TYPE_ADR)
2646                 ro = Primitive::box(m->parseddesc->returntype.primitivetype, value);
2647
2648         /* check for an exception */
2649
2650         xptr = exceptions_get_exception();
2651
2652         if (xptr != NULL) {
2653                 /* clear exception pointer, we are calling JIT code again */
2654
2655                 exceptions_clear_exception();
2656
2657                 exceptions_throw_invocationtargetexception(xptr);
2658         }
2659
2660         return ro;
2661 }
2662
2663
2664 /* Legacy C interface *********************************************************/
2665
2666 extern "C" {
2667
2668 JavaVM* VM_get_javavm()      { return VM::get_current()->get_javavm(); }
2669 JNIEnv* VM_get_jnienv()      { return VM::get_current()->get_jnienv(); }
2670 bool    VM_is_initializing() { return VM::get_current()->is_initializing(); }
2671 bool    VM_is_created()      { return VM::get_current()->is_created(); }
2672 int64_t VM_get_starttime()   { return VM::get_current()->get_starttime(); }
2673
2674 void vm_abort(const char* text, ...)
2675 {
2676         va_list ap;
2677
2678         va_start(ap, text);
2679         VM::get_current()->abort(text, ap);
2680         va_end(ap);
2681 }
2682
2683 void vm_abort_errnum(int errnum, const char* text, ...)
2684 {
2685         va_list ap;
2686
2687         va_start(ap, text);
2688         VM::get_current()->abort_errnum(errnum, text, ap);
2689         va_end(ap);
2690 }
2691
2692 void vm_abort_errno(const char* text, ...)
2693 {
2694         va_list ap;
2695
2696         va_start(ap, text);
2697         VM::get_current()->abort_errno(text, ap);
2698         va_end(ap);
2699 }
2700
2701 }
2702
2703
2704 /*
2705  * These are local overrides for various environment variables in Emacs.
2706  * Please do not remove this and leave it at the end of the file, where
2707  * Emacs will automagically detect them.
2708  * ---------------------------------------------------------------------
2709  * Local variables:
2710  * mode: c++
2711  * indent-tabs-mode: t
2712  * c-basic-offset: 4
2713  * tab-width: 4
2714  * End:
2715  * vim:noexpandtab:sw=4:ts=4:
2716  */