* src/vm/jit/show.c (show_global_lock): Renamed to mutex and changed
[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.h"
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_ instance of the VM.
118  */
119 VM* vm;
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 static void vm_printconfig(void)
610 {
611         puts("Configure/Build options:\n");
612         puts("  ./configure: "VERSION_CONFIGURE_ARGS"");
613 #if defined(__VERSION__)
614         puts("  CC         : "VERSION_CC" ("__VERSION__")");
615 #else
616         puts("  CC         : "VERSION_CC"");
617 #endif
618         puts("  CFLAGS     : "VERSION_CFLAGS"\n");
619
620         puts("Default variables:\n");
621         printf("  maximum heap size              : %d\n", HEAP_MAXSIZE);
622         printf("  initial heap size              : %d\n", HEAP_STARTSIZE);
623         printf("  stack size                     : %d\n", STACK_SIZE);
624
625 #if defined(ENABLE_JRE_LAYOUT)
626         /* When we're building with JRE-layout, the default paths are the
627            same as the runtime paths. */
628 #else
629 # if defined(WITH_JAVA_RUNTIME_LIBRARY_GNU_CLASSPATH)
630         puts("  gnu.classpath.boot.library.path: "JAVA_RUNTIME_LIBRARY_LIBDIR);
631         puts("  java.boot.class.path           : "CACAO_VM_ZIP":"JAVA_RUNTIME_LIBRARY_CLASSES"");
632 # elif defined(WITH_JAVA_RUNTIME_LIBRARY_OPENJDK)
633         puts("  sun.boot.library.path          : "JAVA_RUNTIME_LIBRARY_LIBDIR);
634         puts("  java.boot.class.path           : "JAVA_RUNTIME_LIBRARY_CLASSES);
635 # endif
636 #endif
637
638         puts("");
639
640         puts("Runtime variables:\n");
641         printf("  maximum heap size              : %d\n", opt_heapmaxsize);
642         printf("  initial heap size              : %d\n", opt_heapstartsize);
643         printf("  stack size                     : %d\n", opt_stacksize);
644
645 #if defined(WITH_JAVA_RUNTIME_LIBRARY_GNU_CLASSPATH)
646         printf("  gnu.classpath.boot.library.path: %s\n", properties_get("gnu.classpath.boot.library.path"));
647 #elif defined(WITH_JAVA_RUNTIME_LIBRARY_OPENJDK)
648         printf("  sun.boot.library.path          : %s\n", properties_get("sun.boot.library.path"));
649 #endif
650
651         printf("  java.boot.class.path           : %s\n", properties_get("java.boot.class.path"));
652         printf("  java.class.path                : %s\n", properties_get("java.class.path"));
653 }
654
655
656 /* forward declarations *******************************************************/
657
658 static char *vm_get_mainclass_from_jar(char *mainstring);
659 #if !defined(NDEBUG)
660 static void  vm_compile_all(void);
661 static void  vm_compile_method(char* mainname);
662 #endif
663
664
665 /**
666  * Implementation for JNI_CreateJavaVM.  This function creates a VM
667  * object.
668  *
669  * @param p_vm
670  * @param p_env
671  * @param vm_args
672  *
673  * @return true on success, false otherwise.
674  */
675 bool VM::create(JavaVM** p_vm, void** p_env, void* vm_args)
676 {
677         JavaVMInitArgs* _vm_args;
678
679         // Get the arguments for the new JVM.
680         _vm_args = (JavaVMInitArgs *) vm_args;
681
682         // Instantiate a new VM.
683         try {
684                 vm = new VM(_vm_args);
685         }
686         catch (std::exception e) {
687                 // FIXME How can we delete the resources allocated?
688 //              /* release allocated memory */
689 //              FREE(env, _Jv_JNIEnv);
690 //              FREE(vm, _Jv_JavaVM);
691
692                 vm = NULL;
693
694                 return false;
695         }
696
697         // Return the values.
698
699         *p_vm  = vm->get_javavm();
700         *p_env = vm->get_jnienv();
701
702         return true;
703 }
704
705
706 /**
707  * C wrapper for VM::create.
708  */
709 extern "C" {
710         bool VM_create(JavaVM** p_vm, void** p_env, void* vm_args)
711         {
712                 return VM::create(p_vm, p_env, vm_args);
713         }
714 }
715
716
717 /**
718  * VM constructor.
719  */
720 VM::VM(JavaVMInitArgs* vm_args)
721 {
722         // Very first thing to do: we are initializing.
723         _initializing = true;
724
725         // Make ourself globally visible.
726         // XXX Is this a good idea?
727         vm = this;
728
729         /* create and fill a JavaVM structure */
730
731         _javavm = new JavaVM();
732
733 #if defined(ENABLE_JNI)
734         _javavm->functions = &_Jv_JNIInvokeInterface;
735 #endif
736
737         /* get the VM and Env tables (must be set before vm_create) */
738         /* XXX JVMTI Agents needs a JavaVM  */
739
740         _jnienv = new JNIEnv();
741
742 #if defined(ENABLE_JNI)
743         _jnienv->functions = &_Jv_JNINativeInterface;
744 #endif
745
746         /* actually create the JVM */
747
748         int   len;
749         char *p;
750         char *boot_class_path;
751         char *class_path;
752         int   opt;
753         bool  opt_version;
754         bool  opt_exit;
755
756 #if defined(ENABLE_JVMTI)
757         lt_dlhandle  handle;
758         char *libname, *agentarg;
759         bool jdwp,agentbypath;
760         jdwp = agentbypath = false;
761 #endif
762
763 #if defined(ENABLE_JNI)
764         /* Check the JNI version requested. */
765
766         if (!jni_version_check(vm_args->version))
767                 throw std::exception();
768 #endif
769
770         /* We only support 1 JVM instance. */
771
772         if (vms > 0)
773                 throw std::exception();
774
775         /* Install the exit handler. */
776
777         if (atexit(vm_exit_handler))
778                 vm_abort("atexit failed: %s\n", strerror(errno));
779
780         /* Set some options. */
781
782         opt_version       = false;
783         opt_exit          = false;
784
785         opt_noieee        = false;
786
787         opt_heapmaxsize   = HEAP_MAXSIZE;
788         opt_heapstartsize = HEAP_STARTSIZE;
789         opt_stacksize     = STACK_SIZE;
790
791         /* Initialize the properties list before command-line handling.
792            Otherwise -XX:+PrintConfig crashes. */
793
794         properties_init();
795
796         /* First of all, parse the -XX options. */
797
798 #if defined(ENABLE_VMLOG)
799         vmlog_cacao_init_options();
800 #endif
801
802         options_xx(vm_args);
803
804 #if defined(ENABLE_VMLOG)
805         vmlog_cacao_init();
806 #endif
807
808         /* We need to check if the actual size of a java.lang.Class object
809            is smaller or equal than the assumption made in
810            src/vm/class.h. */
811
812 #warning FIXME We need to check the size of java.lang.Class!!!
813 //      if (sizeof(java_lang_Class) > sizeof(dummy_java_lang_Class))
814 //              vm_abort("vm_create: java_lang_Class structure is bigger than classinfo.object (%d > %d)", sizeof(java_lang_Class), sizeof(dummy_java_lang_Class));
815
816         /* set the VM starttime */
817
818         _starttime = builtin_currenttimemillis();
819
820 #if defined(ENABLE_JVMTI)
821         /* initialize JVMTI related  **********************************************/
822         jvmti = false;
823 #endif
824
825         /* Fill the properties before command-line handling. */
826
827         properties_set();
828
829         /* iterate over all passed options */
830
831         while ((opt = options_get(opts, vm_args)) != OPT_DONE) {
832                 switch (opt) {
833                 case OPT_FOO:
834                         opt_foo = true;
835                         break;
836
837                 case OPT_IGNORE:
838                         break;
839                         
840                 case OPT_JAR:
841                         opt_jar = true;
842                         break;
843
844                 case OPT_D32:
845 #if SIZEOF_VOID_P == 8
846                         puts("Running a 32-bit JVM is not supported on this platform.");
847                         exit(1);
848 #endif
849                         break;
850
851                 case OPT_D64:
852 #if SIZEOF_VOID_P == 4
853                         puts("Running a 64-bit JVM is not supported on this platform.");
854                         exit(1);
855 #endif
856                         break;
857
858                 case OPT_CLASSPATH:
859                         /* Forget old classpath and set the argument as new
860                            classpath. */
861
862                         // FIXME Make class_path const char*.
863                         class_path = (char*) properties_get("java.class.path");
864
865                         p = MNEW(char, strlen(opt_arg) + strlen("0"));
866
867                         strcpy(p, opt_arg);
868
869 #if defined(ENABLE_JAVASE)
870                         properties_add("java.class.path", p);
871 #endif
872
873                         MFREE(class_path, char, strlen(class_path));
874                         break;
875
876                 case OPT_D:
877                         for (unsigned int i = 0; i < strlen(opt_arg); i++) {
878                                 if (opt_arg[i] == '=') {
879                                         opt_arg[i] = '\0';
880                                         properties_add(opt_arg, opt_arg + i + 1);
881                                         goto opt_d_done;
882                                 }
883                         }
884
885                         /* if no '=' is given, just create an empty property */
886
887                         properties_add(opt_arg, "");
888
889                 opt_d_done:
890                         break;
891
892                 case OPT_BOOTCLASSPATH:
893                         /* Forget default bootclasspath and set the argument as
894                            new boot classpath. */
895
896                         // FIXME Make boot_class_path const char*.
897                         boot_class_path = (char*) properties_get("sun.boot.class.path");
898
899                         p = MNEW(char, strlen(opt_arg) + strlen("0"));
900
901                         strcpy(p, opt_arg);
902
903                         properties_add("sun.boot.class.path", p);
904                         properties_add("java.boot.class.path", p);
905
906                         MFREE(boot_class_path, char, strlen(boot_class_path));
907                         break;
908
909                 case OPT_BOOTCLASSPATH_A:
910                         /* Append to bootclasspath. */
911
912                         // FIXME Make boot_class_path const char*.
913                         boot_class_path = (char*) properties_get("sun.boot.class.path");
914
915                         len = strlen(boot_class_path);
916
917                         // XXX (char*) quick hack
918                         p = (char*) MREALLOC(boot_class_path,
919                                                  char,
920                                                  len + strlen("0"),
921                                                  len + strlen(":") +
922                                                  strlen(opt_arg) + strlen("0"));
923
924                         strcat(p, ":");
925                         strcat(p, opt_arg);
926
927                         properties_add("sun.boot.class.path", p);
928                         properties_add("java.boot.class.path", p);
929                         break;
930
931                 case OPT_BOOTCLASSPATH_P:
932                         /* Prepend to bootclasspath. */
933
934                         // FIXME Make boot_class_path const char*.
935                         boot_class_path = (char*) properties_get("sun.boot.class.path");
936
937                         len = strlen(boot_class_path);
938
939                         p = MNEW(char, strlen(opt_arg) + strlen(":") + len + strlen("0"));
940
941                         strcpy(p, opt_arg);
942                         strcat(p, ":");
943                         strcat(p, boot_class_path);
944
945                         properties_add("sun.boot.class.path", p);
946                         properties_add("java.boot.class.path", p);
947
948                         MFREE(boot_class_path, char, len);
949                         break;
950
951                 case OPT_BOOTCLASSPATH_C:
952                         /* Use as Java core library, but prepend VM interface
953                            classes. */
954
955                         // FIXME Make boot_class_path const char*.
956                         boot_class_path = (char*) properties_get("sun.boot.class.path");
957
958                         len =
959                                 strlen(CACAO_VM_ZIP) +
960                                 strlen(":") +
961                                 strlen(opt_arg) +
962                                 strlen("0");
963
964                         p = MNEW(char, len);
965
966                         strcpy(p, CACAO_VM_ZIP);
967                         strcat(p, ":");
968                         strcat(p, opt_arg);
969
970                         properties_add("sun.boot.class.path", p);
971                         properties_add("java.boot.class.path", p);
972
973                         MFREE(boot_class_path, char, strlen(boot_class_path));
974                         break;
975
976 #if defined(ENABLE_JVMTI)
977                 case OPT_DEBUG:
978                         /* this option exists only for compatibility reasons */
979                         break;
980
981                 case OPT_NOAGENT:
982                         /* I don't know yet what Xnoagent should do. This is only for 
983                            compatiblity with eclipse - motse */
984                         break;
985
986                 case OPT_XRUNJDWP:
987                         agentbypath = true;
988                         jvmti       = true;
989                         jdwp        = true;
990
991                         len =
992                                 strlen(CACAO_LIBDIR) +
993                                 strlen("/libjdwp.so=") +
994                                 strlen(opt_arg) +
995                                 strlen("0");
996
997                         agentarg = MNEW(char, len);
998
999                         strcpy(agentarg, CACAO_LIBDIR);
1000                         strcat(agentarg, "/libjdwp.so=");
1001                         strcat(agentarg, &opt_arg[1]);
1002                         break;
1003
1004                 case OPT_AGENTPATH:
1005                         agentbypath = true;
1006
1007                 case OPT_AGENTLIB:
1008                         jvmti = true;
1009                         agentarg = opt_arg;
1010                         break;
1011 #endif
1012                         
1013                 case OPT_MX:
1014                 case OPT_MS:
1015                 case OPT_SS:
1016                         {
1017                                 char c;
1018                                 int j;
1019
1020                                 c = opt_arg[strlen(opt_arg) - 1];
1021
1022                                 if ((c == 'k') || (c == 'K')) {
1023                                         j = atoi(opt_arg) * 1024;
1024
1025                                 } else if ((c == 'm') || (c == 'M')) {
1026                                         j = atoi(opt_arg) * 1024 * 1024;
1027
1028                                 } else
1029                                         j = atoi(opt_arg);
1030
1031                                 if (opt == OPT_MX)
1032                                         opt_heapmaxsize = j;
1033                                 else if (opt == OPT_MS)
1034                                         opt_heapstartsize = j;
1035                                 else
1036                                         opt_stacksize = j;
1037                         }
1038                         break;
1039
1040                 case OPT_VERBOSE1:
1041                         opt_verbose = true;
1042                         break;
1043
1044                 case OPT_VERBOSE:
1045                         if (strcmp("class", opt_arg) == 0) {
1046                                 opt_verboseclass = true;
1047                         }
1048                         else if (strcmp("gc", opt_arg) == 0) {
1049                                 opt_verbosegc = true;
1050                         }
1051                         else if (strcmp("jni", opt_arg) == 0) {
1052                                 opt_verbosejni = true;
1053                         }
1054 #if !defined(NDEBUG)
1055                         else if (strcmp("jit", opt_arg) == 0) {
1056                                 opt_verbose = true;
1057                                 loadverbose = true;
1058                                 initverbose = true;
1059                                 compileverbose = true;
1060                         }
1061 #endif
1062                         else {
1063                                 printf("Unknown -verbose option: %s\n", opt_arg);
1064                                 usage();
1065                         }
1066                         break;
1067
1068                 case OPT_DEBUGCOLOR:
1069                         opt_debugcolor = true;
1070                         break;
1071
1072 #if defined(ENABLE_VERIFIER) && defined(TYPECHECK_VERBOSE)
1073                 case OPT_VERBOSETC:
1074                         opt_typecheckverbose = true;
1075                         break;
1076 #endif
1077                                 
1078                 case OPT_VERSION:
1079                         opt_version = true;
1080                         opt_exit    = true;
1081                         break;
1082
1083                 case OPT_FULLVERSION:
1084                         fullversion();
1085                         break;
1086
1087                 case OPT_SHOWVERSION:
1088                         opt_version = true;
1089                         break;
1090
1091                 case OPT_NOIEEE:
1092                         opt_noieee = true;
1093                         break;
1094
1095 #if defined(ENABLE_VERIFIER)
1096                 case OPT_NOVERIFY:
1097                         opt_verify = false;
1098                         break;
1099 #endif
1100
1101 #if defined(ENABLE_STATISTICS)
1102                 case OPT_TIME:
1103                         opt_getcompilingtime = true;
1104                         opt_getloadingtime = true;
1105                         break;
1106                                         
1107                 case OPT_STAT:
1108                         opt_stat = true;
1109                         break;
1110 #endif
1111                                         
1112                 case OPT_LOG:
1113                         log_init(opt_arg);
1114                         break;
1115                         
1116                 case OPT_CHECK:
1117                         for (unsigned int i = 0; i < strlen(opt_arg); i++) {
1118                                 switch (opt_arg[i]) {
1119                                 case 'b':
1120                                         checkbounds = false;
1121                                         break;
1122                                 case 's':
1123                                         checksync = false;
1124                                         break;
1125                                 default:
1126                                         usage();
1127                                 }
1128                         }
1129                         break;
1130                         
1131                 case OPT_LOAD:
1132                         opt_run = false;
1133                         makeinitializations = false;
1134                         break;
1135
1136 #if !defined(NDEBUG)
1137                 case OPT_ALL:
1138                         compileall = true;
1139                         opt_run = false;
1140                         makeinitializations = false;
1141                         break;
1142
1143                 case OPT_METHOD:
1144                         opt_run = false;
1145                         opt_method = opt_arg;
1146                         makeinitializations = false;
1147                         break;
1148
1149                 case OPT_SIGNATURE:
1150                         opt_signature = opt_arg;
1151                         break;
1152 #endif
1153
1154                 case OPT_SHOW:       /* Display options */
1155                         for (unsigned int i = 0; i < strlen(opt_arg); i++) {            
1156                                 switch (opt_arg[i]) {
1157                                 case 'c':
1158                                         showconstantpool = true;
1159                                         break;
1160
1161                                 case 'u':
1162                                         showutf = true;
1163                                         break;
1164
1165                                 case 'm':
1166                                         showmethods = true;
1167                                         break;
1168
1169                                 case 'i':
1170                                         opt_showintermediate = true;
1171                                         compileverbose = true;
1172                                         break;
1173
1174 #if defined(ENABLE_DISASSEMBLER)
1175                                 case 'a':
1176                                         opt_showdisassemble = true;
1177                                         compileverbose = true;
1178                                         break;
1179
1180                                 case 'o':
1181                                         opt_shownops = true;
1182                                         break;
1183 #endif
1184
1185                                 case 'd':
1186                                         opt_showddatasegment = true;
1187                                         break;
1188
1189                                 default:
1190                                         usage();
1191                                 }
1192                         }
1193                         break;
1194                         
1195 #if defined(ENABLE_LOOP)
1196                 case OPT_OLOOP:
1197                         opt_loops = true;
1198                         break;
1199 #endif
1200
1201 #if defined(ENABLE_IFCONV)
1202                 case OPT_IFCONV:
1203                         opt_ifconv = true;
1204                         break;
1205 #endif
1206
1207 #if defined(ENABLE_LSRA)
1208                 case OPT_LSRA:
1209                         opt_lsra = true;
1210                         break;
1211 #endif
1212 #if  defined(ENABLE_SSA)
1213                 case OPT_LSRA:
1214                         opt_lsra = true;
1215                         for (unsigned int i = 0; i < strlen(opt_arg); i++) {            
1216                                 switch (opt_arg[i]) {
1217                                 case 'c':
1218                                         opt_ssa_cp = true;
1219                                         break;
1220
1221                                 case 'd':
1222                                         opt_ssa_dce = true;
1223                                         break;
1224
1225                                 case ':':
1226                                         break;
1227
1228                                 default:
1229                                         usage();
1230                                 }
1231                         }
1232                         break;
1233 #endif
1234
1235                 case OPT_HELP:
1236                         usage();
1237                         break;
1238
1239                 case OPT_X:
1240                         Xusage();
1241                         break;
1242
1243                 case OPT_XX:
1244                         /* Already parsed. */
1245                         break;
1246
1247                 case OPT_EA:
1248 #if defined(ENABLE_ASSERTION)
1249                         assertion_ea_da(opt_arg, true);
1250 #endif
1251                         break;
1252
1253                 case OPT_DA:
1254 #if defined(ENABLE_ASSERTION)
1255                         assertion_ea_da(opt_arg, false);
1256 #endif
1257                         break;
1258
1259                 case OPT_EA_NOARG:
1260 #if defined(ENABLE_ASSERTION)
1261                         assertion_user_enabled = true;
1262 #endif
1263                         break;
1264
1265                 case OPT_DA_NOARG:
1266 #if defined(ENABLE_ASSERTION)
1267                         assertion_user_enabled = false;
1268 #endif
1269                         break;
1270
1271                 case OPT_ESA:
1272 #if defined(ENABLE_ASSERTION)
1273                         assertion_system_enabled = true;
1274 #endif
1275                         break;
1276
1277                 case OPT_DSA:
1278 #if defined(ENABLE_ASSERTION)
1279                         assertion_system_enabled = false;
1280 #endif
1281                         break;
1282
1283 #if defined(ENABLE_PROFILING)
1284                 case OPT_PROF_OPTION:
1285                         /* use <= to get the last \0 too */
1286
1287                         for (unsigned int i = 0, j = 0; i <= strlen(opt_arg); i++) {
1288                                 if (opt_arg[i] == ',')
1289                                         opt_arg[i] = '\0';
1290
1291                                 if (opt_arg[i] == '\0') {
1292                                         if (strcmp("bb", opt_arg + j) == 0)
1293                                                 opt_prof_bb = true;
1294
1295                                         else {
1296                                                 printf("Unknown option: -Xprof:%s\n", opt_arg + j);
1297                                                 usage();
1298                                         }
1299
1300                                         /* set k to next char */
1301
1302                                         j = i + 1;
1303                                 }
1304                         }
1305                         /* fall through */
1306
1307                 case OPT_PROF:
1308                         opt_prof = true;
1309                         break;
1310 #endif
1311
1312                 case OPT_JIT:
1313 #if defined(ENABLE_JIT)
1314                         opt_jit = true;
1315 #else
1316                         printf("-Xjit option not enabled.\n");
1317                         exit(1);
1318 #endif
1319                         break;
1320
1321                 case OPT_INTRP:
1322 #if defined(ENABLE_INTRP)
1323                         opt_intrp = true;
1324 #else
1325                         printf("-Xint option not enabled.\n");
1326                         exit(1);
1327 #endif
1328                         break;
1329
1330 #if defined(ENABLE_INTRP)
1331                 case OPT_STATIC_SUPERS:
1332                         opt_static_supers = atoi(opt_arg);
1333                         break;
1334
1335                 case OPT_NO_DYNAMIC:
1336                         opt_no_dynamic = true;
1337                         break;
1338
1339                 case OPT_NO_REPLICATION:
1340                         opt_no_replication = true;
1341                         break;
1342
1343                 case OPT_NO_QUICKSUPER:
1344                         opt_no_quicksuper = true;
1345                         break;
1346
1347                 case OPT_TRACE:
1348                         vm_debug = true;
1349                         break;
1350 #endif
1351
1352 #if defined(ENABLE_DEBUG_FILTER)
1353                 case OPT_FILTER_VERBOSECALL_INCLUDE:
1354                         opt_filter_verbosecall_include = opt_arg;
1355                         break;
1356
1357                 case OPT_FILTER_VERBOSECALL_EXCLUDE:
1358                         opt_filter_verbosecall_exclude = opt_arg;
1359                         break;
1360
1361                 case OPT_FILTER_SHOW_METHOD:
1362                         opt_filter_show_method = opt_arg;
1363                         break;
1364
1365 #endif
1366                 default:
1367                         printf("Unknown option: %s\n",
1368                                    vm_args->options[opt_index].optionString);
1369                         usage();
1370                 }
1371         }
1372
1373 #if defined(ENABLE_JVMTI)
1374         if (jvmti) {
1375                 jvmti_set_phase(JVMTI_PHASE_ONLOAD);
1376                 jvmti_agentload(agentarg, agentbypath, &handle, &libname);
1377
1378                 if (jdwp)
1379                         MFREE(agentarg, char, strlen(agentarg));
1380
1381                 jvmti_set_phase(JVMTI_PHASE_PRIMORDIAL);
1382         }
1383 #endif
1384
1385         /* initialize the garbage collector */
1386
1387         gc_init(opt_heapmaxsize, opt_heapstartsize);
1388
1389 #if defined(ENABLE_THREADS)
1390         /* BEFORE: threads_preinit */
1391
1392         threadlist_init();
1393
1394         /* AFTER: gc_init */
1395
1396         threads_preinit();
1397         lock_init();
1398 #endif
1399
1400         /* install architecture dependent signal handlers */
1401
1402         if (!signal_init())
1403                 vm_abort("vm_create: signal_init failed");
1404
1405 #if defined(ENABLE_INTRP)
1406         /* Allocate main thread stack on the Java heap. */
1407
1408         if (opt_intrp) {
1409                 intrp_main_stack = GCMNEW(u1, opt_stacksize);
1410                 MSET(intrp_main_stack, 0, u1, opt_stacksize);
1411         }
1412 #endif
1413
1414         /* AFTER: threads_preinit */
1415
1416         if (!string_init())
1417                 vm_abort("vm_create: string_init failed");
1418
1419         /* AFTER: threads_preinit */
1420
1421         utf8_init();
1422
1423         /* AFTER: thread_preinit */
1424
1425         if (!suck_init())
1426                 vm_abort("vm_create: suck_init failed");
1427
1428         suck_add_from_property("java.endorsed.dirs");
1429
1430         /* Now we have all options handled and we can print the version
1431            information.
1432
1433            AFTER: suck_add_from_property("java.endorsed.dirs"); */
1434
1435         if (opt_version)
1436                 version(opt_exit);
1437
1438         /* AFTER: utf8_init */
1439
1440         // FIXME Make boot_class_path const char*.
1441         boot_class_path = (char*) properties_get("sun.boot.class.path");
1442         suck_add(boot_class_path);
1443
1444         /* initialize the classcache hashtable stuff: lock, hashtable
1445            (must be done _after_ threads_preinit) */
1446
1447         if (!classcache_init())
1448                 vm_abort("vm_create: classcache_init failed");
1449
1450         /* Initialize the code memory management. */
1451         /* AFTER: threads_preinit */
1452
1453         codememory_init();
1454
1455         /* initialize the finalizer stuff (must be done _after_
1456            threads_preinit) */
1457
1458         if (!finalizer_init())
1459                 vm_abort("vm_create: finalizer_init failed");
1460
1461         /* Initialize the JIT compiler. */
1462
1463         jit_init();
1464         code_init();
1465         methodtree_init();
1466
1467 #if defined(ENABLE_PYTHON)
1468         pythonpass_init();
1469 #endif
1470
1471         /* BEFORE: loader_preinit */
1472
1473         Package::initialize();
1474
1475         /* AFTER: utf8_init, classcache_init */
1476
1477         loader_preinit();
1478         linker_preinit();
1479
1480         /* AFTER: loader_preinit, linker_preinit */
1481
1482         primitive_init();
1483
1484         loader_init();
1485         linker_init();
1486
1487         /* AFTER: loader_init, linker_init */
1488
1489         primitive_postinit();
1490         method_init();
1491
1492 #if defined(ENABLE_JIT)
1493         trap_init();
1494 #endif
1495
1496         if (!builtin_init())
1497                 vm_abort("vm_create: builtin_init failed");
1498
1499         /* Initialize the native subsystem. */
1500         /* BEFORE: threads_init */
1501
1502         if (!native_init())
1503                 vm_abort("vm_create: native_init failed");
1504
1505         /* Register the native methods implemented in the VM. */
1506         /* BEFORE: threads_init */
1507
1508         nativevm_preinit();
1509
1510 #if defined(ENABLE_JNI)
1511         /* Initialize the JNI subsystem (must be done _before_
1512            threads_init, as threads_init can call JNI methods
1513            (e.g. NewGlobalRef). */
1514
1515         if (!jni_init())
1516                 vm_abort("vm_create: jni_init failed");
1517 #endif
1518
1519 #if defined(ENABLE_JNI) || defined(ENABLE_HANDLES)
1520         /* Initialize the local reference table for the main thread. */
1521         /* BEFORE: threads_init */
1522
1523         if (!localref_table_init())
1524                 vm_abort("vm_create: localref_table_init failed");
1525 #endif
1526
1527         /* Iinitialize some important system classes. */
1528         /* BEFORE: threads_init */
1529
1530         initialize_init();
1531
1532 #if defined(ENABLE_THREADS)
1533         threads_init();
1534 #endif
1535
1536         /* Initialize the native VM subsystem. */
1537         /* AFTER: threads_init (at least for SUN's classes) */
1538
1539         nativevm_init();
1540
1541 #if defined(ENABLE_PROFILING)
1542         /* initialize profiling */
1543
1544         if (!profile_init())
1545                 vm_abort("vm_create: profile_init failed");
1546 #endif
1547
1548 #if defined(ENABLE_THREADS)
1549         /* initialize recompilation */
1550
1551         if (!recompile_init())
1552                 vm_abort("vm_create: recompile_init failed");
1553
1554         /* start the signal handler thread */
1555
1556 #if defined(__LINUX__)
1557         /* XXX Remove for exact-GC. */
1558         if (threads_pthreads_implementation_nptl)
1559 #endif
1560                 if (!signal_start_thread())
1561                         vm_abort("vm_create: signal_start_thread failed");
1562
1563         /* finally, start the finalizer thread */
1564
1565         if (!finalizer_start_thread())
1566                 vm_abort("vm_create: finalizer_start_thread failed");
1567
1568 # if !defined(NDEBUG)
1569         /* start the memory profiling thread */
1570
1571         if (opt_ProfileMemoryUsage || opt_ProfileGCMemoryUsage)
1572                 if (!memory_start_thread())
1573                         vm_abort("vm_create: memory_start_thread failed");
1574 # endif
1575
1576         /* start the recompilation thread (must be done before the
1577            profiling thread) */
1578
1579         if (!recompile_start_thread())
1580                 vm_abort("vm_create: recompile_start_thread failed");
1581
1582 # if defined(ENABLE_PROFILING)
1583         /* start the profile sampling thread */
1584
1585 /*      if (opt_prof) */
1586 /*              if (!profile_start_thread()) */
1587 /*                      vm_abort("vm_create: profile_start_thread failed"); */
1588 # endif
1589 #endif
1590
1591 #if defined(ENABLE_JVMTI)
1592 # if defined(ENABLE_GC_CACAO)
1593         /* XXX this will not work with the new indirection cells for classloaders!!! */
1594         assert(0);
1595 # endif
1596         if (jvmti) {
1597                 /* add agent library to native library hashtable */
1598                 native_hashtable_library_add(utf_new_char(libname), class_java_lang_Object->classloader, handle);
1599         }
1600 #endif
1601
1602         /* Increment the number of VMs. */
1603
1604         vms++;
1605
1606         // Initialization is done, VM is created.
1607         _created      = true;
1608         _initializing = false;
1609         
1610         /* Print the VM configuration after all stuff is set and the VM is
1611            initialized. */
1612
1613         if (opt_PrintConfig)
1614                 vm_printconfig();
1615 }
1616
1617
1618 /* vm_run **********************************************************************
1619
1620    Runs the main-method of the passed class.
1621
1622 *******************************************************************************/
1623
1624 void vm_run(JavaVM *vm, JavaVMInitArgs *vm_args)
1625 {
1626         char*                      option;
1627         char*                      mainname;
1628         char*                      p;
1629         utf                       *mainutf;
1630         classinfo                 *mainclass;
1631         java_handle_t             *e;
1632         methodinfo                *m;
1633         java_handle_objectarray_t *oa; 
1634         s4                         oalength;
1635         utf                       *u;
1636         java_handle_t             *s;
1637         int                        status;
1638
1639         // Prevent compiler warnings.
1640         oa = NULL;
1641
1642 #if !defined(NDEBUG)
1643         if (compileall) {
1644                 vm_compile_all();
1645                 return;
1646         }
1647 #endif
1648
1649         /* Get the main class plus it's arguments. */
1650
1651         mainname = NULL;
1652
1653         if (opt_index < vm_args->nOptions) {
1654                 /* Get main-class argument. */
1655
1656                 mainname = vm_args->options[opt_index].optionString;
1657
1658                 /* If the main class argument is a jar file, put it into the
1659                    classpath. */
1660
1661                 if (opt_jar == true) {
1662                         p = MNEW(char, strlen(mainname) + strlen("0"));
1663
1664                         strcpy(p, mainname);
1665
1666 #if defined(ENABLE_JAVASE)
1667                         properties_add("java.class.path", p);
1668 #endif
1669                 }
1670                 else {
1671                         /* Replace dots with slashes in the class name. */
1672
1673                         for (unsigned int i = 0; i < strlen(mainname); i++)
1674                                 if (mainname[i] == '.')
1675                                         mainname[i] = '/';
1676                 }
1677
1678                 /* Build argument array.  Move index to first argument. */
1679
1680                 opt_index++;
1681
1682                 oalength = vm_args->nOptions - opt_index;
1683
1684                 oa = builtin_anewarray(oalength, class_java_lang_String);
1685
1686                 for (int i = 0; i < oalength; i++) {
1687                         option = vm_args->options[opt_index + i].optionString;
1688
1689                         u = utf_new_char(option);
1690                         s = javastring_new(u);
1691
1692                         array_objectarray_element_set(oa, i, s);
1693                 }
1694         }
1695
1696         /* Do we have a main-class argument? */
1697
1698         if (mainname == NULL)
1699                 usage();
1700
1701 #if !defined(NDEBUG)
1702         if (opt_method != NULL) {
1703                 vm_compile_method(mainname);
1704                 return;
1705         }
1706 #endif
1707
1708         /* set return value to OK */
1709
1710         status = 0;
1711
1712         if (opt_jar == true) {
1713                 /* open jar file with java.util.jar.JarFile */
1714
1715                 mainname = vm_get_mainclass_from_jar(mainname);
1716
1717                 if (mainname == NULL)
1718                         vm_exit(1);
1719         }
1720
1721         /* load the main class */
1722
1723         mainutf = utf_new_char(mainname);
1724
1725 #if defined(ENABLE_JAVAME_CLDC1_1)
1726         mainclass = load_class_bootstrap(mainutf);
1727 #else
1728         mainclass = load_class_from_sysloader(mainutf);
1729 #endif
1730
1731         /* error loading class */
1732
1733         e = exceptions_get_and_clear_exception();
1734
1735         if ((e != NULL) || (mainclass == NULL)) {
1736                 exceptions_throw_noclassdeffounderror_cause(e);
1737                 exceptions_print_stacktrace(); 
1738                 vm_exit(1);
1739         }
1740
1741         if (!link_class(mainclass)) {
1742                 exceptions_print_stacktrace();
1743                 vm_exit(1);
1744         }
1745                         
1746         /* find the `main' method of the main class */
1747
1748         m = class_resolveclassmethod(mainclass,
1749                                                                  utf_new_char("main"), 
1750                                                                  utf_new_char("([Ljava/lang/String;)V"),
1751                                                                  class_java_lang_Object,
1752                                                                  false);
1753
1754         if (exceptions_get_exception()) {
1755                 exceptions_print_stacktrace();
1756                 vm_exit(1);
1757         }
1758
1759         /* there is no main method or it isn't static */
1760
1761         if ((m == NULL) || !(m->flags & ACC_STATIC)) {
1762                 exceptions_clear_exception();
1763                 exceptions_throw_nosuchmethoderror(mainclass,
1764                                                                                    utf_new_char("main"), 
1765                                                                                    utf_new_char("([Ljava/lang/String;)V"));
1766
1767                 exceptions_print_stacktrace();
1768                 vm_exit(1);
1769         }
1770
1771 #ifdef TYPEINFO_DEBUG_TEST
1772         /* test the typeinfo system */
1773         typeinfo_test();
1774 #endif
1775
1776 #if defined(ENABLE_JVMTI)
1777         jvmti_set_phase(JVMTI_PHASE_LIVE);
1778 #endif
1779
1780         /* set ThreadMXBean variables */
1781
1782 //      _Jv_jvm->java_lang_management_ThreadMXBean_ThreadCount++;
1783 //      _Jv_jvm->java_lang_management_ThreadMXBean_TotalStartedThreadCount++;
1784
1785 //      if (_Jv_jvm->java_lang_management_ThreadMXBean_ThreadCount >
1786 //              _Jv_jvm->java_lang_management_ThreadMXBean_PeakThreadCount)
1787 //              _Jv_jvm->java_lang_management_ThreadMXBean_PeakThreadCount =
1788 //                      _Jv_jvm->java_lang_management_ThreadMXBean_ThreadCount;
1789 #warning Move to C++
1790
1791         /* start the main thread */
1792
1793         (void) vm_call_method(m, NULL, oa);
1794
1795         /* exception occurred? */
1796
1797         if (exceptions_get_exception()) {
1798                 exceptions_print_stacktrace();
1799                 status = 1;
1800         }
1801
1802 #if defined(ENABLE_THREADS)
1803     /* Detach the main thread so that it appears to have ended when
1804            the application's main method exits. */
1805
1806         if (!thread_detach_current_thread())
1807                 vm_abort("vm_run: Could not detach main thread.");
1808 #endif
1809
1810         /* Destroy the JavaVM. */
1811
1812         (void) vm_destroy(vm);
1813
1814         /* And exit. */
1815
1816         vm_exit(status);
1817 }
1818
1819
1820 /* vm_destroy ******************************************************************
1821
1822    Unloads a Java VM and reclaims its resources.
1823
1824 *******************************************************************************/
1825
1826 int vm_destroy(JavaVM *vm)
1827 {
1828 #if defined(ENABLE_THREADS)
1829         /* Create a a trivial new Java waiter thread called
1830            "DestroyJavaVM". */
1831
1832         JavaVMAttachArgs args;
1833
1834         args.name  = (char*) "DestroyJavaVM";
1835         args.group = NULL;
1836
1837         if (!thread_attach_current_thread(&args, false))
1838                 return 1;
1839
1840         /* Wait until we are the last non-daemon thread. */
1841
1842         threads_join_all_threads();
1843 #endif
1844
1845         /* VM is gone. */
1846
1847 //      _created = false;
1848 #warning Move to C++
1849
1850         /* Everything is ok. */
1851
1852         return 0;
1853 }
1854
1855
1856 /* vm_exit *********************************************************************
1857
1858    Calls java.lang.System.exit(I)V to exit the JavaVM correctly.
1859
1860 *******************************************************************************/
1861
1862 void vm_exit(s4 status)
1863 {
1864         methodinfo *m;
1865
1866         /* signal that we are exiting */
1867
1868 //      _exiting = true;
1869 #warning Move to C++
1870
1871         assert(class_java_lang_System);
1872         assert(class_java_lang_System->state & CLASS_LOADED);
1873
1874 #if defined(ENABLE_JVMTI)
1875         if (jvmti || (dbgcom!=NULL)) {
1876                 jvmti_set_phase(JVMTI_PHASE_DEAD);
1877                 if (jvmti) jvmti_agentunload();
1878         }
1879 #endif
1880
1881         if (!link_class(class_java_lang_System)) {
1882                 exceptions_print_stacktrace();
1883                 exit(1);
1884         }
1885
1886         /* call java.lang.System.exit(I)V */
1887
1888         m = class_resolveclassmethod(class_java_lang_System,
1889                                                                  utf_new_char("exit"),
1890                                                                  utf_int__void,
1891                                                                  class_java_lang_Object,
1892                                                                  true);
1893         
1894         if (m == NULL) {
1895                 exceptions_print_stacktrace();
1896                 exit(1);
1897         }
1898
1899         /* call the exit function with passed exit status */
1900
1901         (void) vm_call_method(m, NULL, status);
1902
1903         /* If we had an exception, just ignore the exception and exit with
1904            the proper code. */
1905
1906         vm_shutdown(status);
1907 }
1908
1909
1910 /* vm_shutdown *****************************************************************
1911
1912    Terminates the system immediately without freeing memory explicitly
1913    (to be used only for abnormal termination).
1914         
1915 *******************************************************************************/
1916
1917 void vm_shutdown(s4 status)
1918 {
1919         if (opt_verbose 
1920 #if defined(ENABLE_STATISTICS)
1921                 || opt_getcompilingtime || opt_stat
1922 #endif
1923            ) 
1924         {
1925                 log_text("CACAO terminated by shutdown");
1926                 dolog("Exit status: %d\n", (s4) status);
1927
1928         }
1929
1930 #if defined(ENABLE_JVMTI)
1931         /* terminate cacaodbgserver */
1932         if (dbgcom!=NULL) {
1933                 mutex_lock(&dbgcomlock);
1934                 dbgcom->running=1;
1935                 mutex_unlock(&dbgcomlock);
1936                 jvmti_cacaodbgserver_quit();
1937         }       
1938 #endif
1939
1940         exit(status);
1941 }
1942
1943
1944 /* vm_exit_handler *************************************************************
1945
1946    The exit_handler function is called upon program termination.
1947
1948    ATTENTION: Don't free system resources here! Some threads may still
1949    be running as this is called from VMRuntime.exit(). The OS does the
1950    cleanup for us.
1951
1952 *******************************************************************************/
1953
1954 void vm_exit_handler(void)
1955 {
1956 #if !defined(NDEBUG)
1957         if (showmethods)
1958                 class_showmethods(mainclass);
1959
1960         if (showconstantpool)
1961                 class_showconstantpool(mainclass);
1962
1963         if (showutf)
1964                 utf_show();
1965
1966 # if defined(ENABLE_PROFILING)
1967         if (opt_prof)
1968                 profile_printstats();
1969 # endif
1970 #endif /* !defined(NDEBUG) */
1971
1972 #if defined(ENABLE_RT_TIMING)
1973         rt_timing_print_time_stats(stderr);
1974 #endif
1975
1976 #if defined(ENABLE_CYCLES_STATS)
1977         builtin_print_cycles_stats(stderr);
1978         stacktrace_print_cycles_stats(stderr);
1979 #endif
1980
1981         if (opt_verbose 
1982 #if defined(ENABLE_STATISTICS)
1983                 || opt_getcompilingtime || opt_stat
1984 #endif
1985            ) 
1986         {
1987                 log_text("CACAO terminated");
1988
1989 #if defined(ENABLE_STATISTICS)
1990                 if (opt_stat) {
1991                         print_stats();
1992 #ifdef TYPECHECK_STATISTICS
1993                         typecheck_print_statistics(get_logfile());
1994 #endif
1995                 }
1996
1997                 if (opt_getcompilingtime)
1998                         print_times();
1999 #endif /* defined(ENABLE_STATISTICS) */
2000         }
2001         /* vm_print_profile(stderr);*/
2002 }
2003
2004
2005 /* vm_abort ********************************************************************
2006
2007    Prints an error message and aborts the VM.
2008
2009    IN:
2010        text ... error message to print
2011
2012 *******************************************************************************/
2013
2014 void vm_abort(const char *text, ...)
2015 {
2016         va_list ap;
2017
2018         /* Print the log message. */
2019
2020         log_start();
2021
2022         va_start(ap, text);
2023         log_vprint(text, ap);
2024         va_end(ap);
2025
2026         log_finish();
2027
2028         /* Now abort the VM. */
2029
2030         os::abort();
2031 }
2032
2033
2034 /* vm_abort_errnum *************************************************************
2035
2036    Prints an error message, appends ":" plus the strerror-message of
2037    errnum and aborts the VM.
2038
2039    IN:
2040        errnum ... error number
2041        text ..... error message to print
2042
2043 *******************************************************************************/
2044
2045 void vm_abort_errnum(int errnum, const char *text, ...)
2046 {
2047         va_list ap;
2048
2049         /* Print the log message. */
2050
2051         log_start();
2052
2053         va_start(ap, text);
2054         log_vprint(text, ap);
2055         va_end(ap);
2056
2057         /* Print the strerror-message of errnum. */
2058
2059         log_print(": %s", os::strerror(errnum));
2060
2061         log_finish();
2062
2063         /* Now abort the VM. */
2064
2065         os::abort();
2066 }
2067
2068
2069 /* vm_abort_errno **************************************************************
2070
2071    Equal to vm_abort_errnum, but uses errno to get the error number.
2072
2073    IN:
2074        text ... error message to print
2075
2076 *******************************************************************************/
2077
2078 void vm_abort_errno(const char *text, ...)
2079 {
2080         va_list ap;
2081
2082         va_start(ap, text);
2083         vm_abort_errnum(errno, text, ap);
2084         va_end(ap);
2085 }
2086
2087
2088 /* vm_abort_disassemble ********************************************************
2089
2090    Prints an error message, disassemble the given code range (if
2091    enabled) and aborts the VM.
2092
2093    IN:
2094        pc.......PC to disassemble
2095            count....number of instructions to disassemble
2096
2097 *******************************************************************************/
2098
2099 void vm_abort_disassemble(void *pc, int count, const char *text, ...)
2100 {
2101         va_list ap;
2102 #if defined(ENABLE_DISASSEMBLER)
2103         int     i;
2104 #endif
2105
2106         /* Print debug message. */
2107
2108         log_start();
2109
2110         va_start(ap, text);
2111         log_vprint(text, ap);
2112         va_end(ap);
2113
2114         log_finish();
2115
2116         /* Print the PC. */
2117
2118 #if SIZEOF_VOID_P == 8
2119         log_println("PC=0x%016lx", pc);
2120 #else
2121         log_println("PC=0x%08x", pc);
2122 #endif
2123
2124 #if defined(ENABLE_DISASSEMBLER)
2125         log_println("machine instructions at PC:");
2126
2127         /* Disassemble the given number of instructions. */
2128
2129         for (i = 0; i < count; i++)
2130                 // FIXME disassinstr should use void*.
2131                 pc = disassinstr((u1*) pc);
2132 #endif
2133
2134         vm_abort("Aborting...");
2135 }
2136
2137
2138 /* vm_get_mainclass_from_jar ***************************************************
2139
2140    Gets the name of the main class from a JAR's manifest file.
2141
2142 *******************************************************************************/
2143
2144 static char *vm_get_mainclass_from_jar(char *mainname)
2145 {
2146         classinfo     *c;
2147         java_handle_t *o;
2148         methodinfo    *m;
2149         java_handle_t *s;
2150
2151         c = load_class_from_sysloader(utf_new_char("java/util/jar/JarFile"));
2152
2153         if (c == NULL) {
2154                 exceptions_print_stacktrace();
2155                 return NULL;
2156         }
2157
2158         /* create JarFile object */
2159
2160         o = builtin_new(c);
2161
2162         if (o == NULL) {
2163                 exceptions_print_stacktrace();
2164                 return NULL;
2165         }
2166
2167         m = class_resolveclassmethod(c,
2168                                                                  utf_init, 
2169                                                                  utf_java_lang_String__void,
2170                                                                  class_java_lang_Object,
2171                                                                  true);
2172
2173         if (m == NULL) {
2174                 exceptions_print_stacktrace();
2175                 return NULL;
2176         }
2177
2178         s = javastring_new_from_ascii(mainname);
2179
2180         (void) vm_call_method(m, o, s);
2181
2182         if (exceptions_get_exception()) {
2183                 exceptions_print_stacktrace();
2184                 return NULL;
2185         }
2186
2187         /* get manifest object */
2188
2189         m = class_resolveclassmethod(c,
2190                                                                  utf_new_char("getManifest"), 
2191                                                                  utf_new_char("()Ljava/util/jar/Manifest;"),
2192                                                                  class_java_lang_Object,
2193                                                                  true);
2194
2195         if (m == NULL) {
2196                 exceptions_print_stacktrace();
2197                 return NULL;
2198         }
2199
2200         o = vm_call_method(m, o);
2201
2202         if (o == NULL) {
2203                 fprintf(stderr, "Could not get manifest from %s (invalid or corrupt jarfile?)\n", mainname);
2204                 return NULL;
2205         }
2206
2207
2208         /* get Main Attributes */
2209
2210         LLNI_class_get(o, c);
2211
2212         m = class_resolveclassmethod(c,
2213                                                                  utf_new_char("getMainAttributes"), 
2214                                                                  utf_new_char("()Ljava/util/jar/Attributes;"),
2215                                                                  class_java_lang_Object,
2216                                                                  true);
2217
2218         if (m == NULL) {
2219                 exceptions_print_stacktrace();
2220                 return NULL;
2221         }
2222
2223         o = vm_call_method(m, o);
2224
2225         if (o == NULL) {
2226                 fprintf(stderr, "Could not get main attributes from %s (invalid or corrupt jarfile?)\n", mainname);
2227                 return NULL;
2228         }
2229
2230
2231         /* get property Main-Class */
2232
2233         LLNI_class_get(o, c);
2234
2235         m = class_resolveclassmethod(c,
2236                                                                  utf_new_char("getValue"), 
2237                                                                  utf_new_char("(Ljava/lang/String;)Ljava/lang/String;"),
2238                                                                  class_java_lang_Object,
2239                                                                  true);
2240
2241         if (m == NULL) {
2242                 exceptions_print_stacktrace();
2243                 return NULL;
2244         }
2245
2246         s = javastring_new_from_ascii("Main-Class");
2247
2248         o = vm_call_method(m, o, s);
2249
2250         if (o == NULL) {
2251                 fprintf(stderr, "Failed to load Main-Class manifest attribute from\n");
2252                 fprintf(stderr, "%s\n", mainname);
2253                 return NULL;
2254         }
2255
2256         return javastring_tochar(o);
2257 }
2258
2259
2260 /* vm_compile_all **************************************************************
2261
2262    Compile all methods found in the bootclasspath.
2263
2264 *******************************************************************************/
2265
2266 #if !defined(NDEBUG)
2267 static void vm_compile_all(void)
2268 {
2269         classinfo              *c;
2270         methodinfo             *m;
2271         u4                      slot;
2272         classcache_name_entry  *nmen;
2273         classcache_class_entry *clsen;
2274         s4                      i;
2275
2276         /* create all classes found in the bootclasspath */
2277         /* XXX currently only works with zip/jar's */
2278
2279         loader_load_all_classes();
2280
2281         /* link all classes */
2282
2283         for (slot = 0; slot < hashtable_classcache.size; slot++) {
2284                 nmen = (classcache_name_entry *) hashtable_classcache.ptr[slot];
2285
2286                 for (; nmen; nmen = nmen->hashlink) {
2287                         /* iterate over all class entries */
2288
2289                         for (clsen = nmen->classes; clsen; clsen = clsen->next) {
2290                                 c = clsen->classobj;
2291
2292                                 if (c == NULL)
2293                                         continue;
2294
2295                                 if (!(c->state & CLASS_LINKED)) {
2296                                         if (!link_class(c)) {
2297                                                 fprintf(stderr, "Error linking: ");
2298                                                 utf_fprint_printable_ascii_classname(stderr, c->name);
2299                                                 fprintf(stderr, "\n");
2300
2301                                                 /* print out exception and cause */
2302
2303                                                 exceptions_print_current_exception();
2304
2305                                                 /* goto next class */
2306
2307                                                 continue;
2308                                         }
2309                                 }
2310
2311                                 /* compile all class methods */
2312
2313                                 for (i = 0; i < c->methodscount; i++) {
2314                                         m = &(c->methods[i]);
2315
2316                                         if (m->jcode != NULL) {
2317                                                 if (!jit_compile(m)) {
2318                                                         fprintf(stderr, "Error compiling: ");
2319                                                         utf_fprint_printable_ascii_classname(stderr, c->name);
2320                                                         fprintf(stderr, ".");
2321                                                         utf_fprint_printable_ascii(stderr, m->name);
2322                                                         utf_fprint_printable_ascii(stderr, m->descriptor);
2323                                                         fprintf(stderr, "\n");
2324
2325                                                         /* print out exception and cause */
2326
2327                                                         exceptions_print_current_exception();
2328                                                 }
2329                                         }
2330                                 }
2331                         }
2332                 }
2333         }
2334 }
2335 #endif /* !defined(NDEBUG) */
2336
2337
2338 /* vm_compile_method ***********************************************************
2339
2340    Compile a specific method.
2341
2342 *******************************************************************************/
2343
2344 #if !defined(NDEBUG)
2345 static void vm_compile_method(char* mainname)
2346 {
2347         methodinfo *m;
2348
2349         /* create, load and link the main class */
2350
2351         mainclass = load_class_bootstrap(utf_new_char(mainname));
2352
2353         if (mainclass == NULL)
2354                 exceptions_print_stacktrace();
2355
2356         if (!link_class(mainclass))
2357                 exceptions_print_stacktrace();
2358
2359         if (opt_signature != NULL) {
2360                 m = class_resolveclassmethod(mainclass,
2361                                                                          utf_new_char(opt_method),
2362                                                                          utf_new_char(opt_signature),
2363                                                                          mainclass,
2364                                                                          false);
2365         }
2366         else {
2367                 m = class_resolveclassmethod(mainclass,
2368                                                                          utf_new_char(opt_method),
2369                                                                          NULL,
2370                                                                          mainclass,
2371                                                                          false);
2372         }
2373
2374         if (m == NULL)
2375                 vm_abort("vm_compile_method: java.lang.NoSuchMethodException: %s.%s",
2376                                  opt_method, opt_signature ? opt_signature : "");
2377                 
2378         jit_compile(m);
2379 }
2380 #endif /* !defined(NDEBUG) */
2381
2382
2383 /* vm_call_array ***************************************************************
2384
2385    Calls a Java method with a variable number of arguments, passed via
2386    an argument array.
2387
2388    ATTENTION: This function has to be used outside the nativeworld.
2389
2390 *******************************************************************************/
2391
2392 #define VM_CALL_ARRAY(name, type)                                 \
2393 static type vm_call##name##_array(methodinfo *m, uint64_t *array) \
2394 {                                                                 \
2395         methoddesc *md;                                               \
2396         void       *pv;                                               \
2397         type        value;                                            \
2398                                                                   \
2399         assert(m->code != NULL);                                      \
2400                                                                   \
2401         md = m->parseddesc;                                           \
2402         pv = m->code->entrypoint;                                     \
2403                                                                   \
2404         STATISTICS(count_calls_native_to_java++);                     \
2405                                                                   \
2406         value = asm_vm_call_method##name(pv, array, md->memuse);      \
2407                                                                   \
2408         return value;                                                 \
2409 }
2410
2411 static java_handle_t *vm_call_array(methodinfo *m, uint64_t *array)
2412 {
2413         methoddesc    *md;
2414         void          *pv;
2415         java_object_t *o;
2416
2417         assert(m->code != NULL);
2418
2419         md = m->parseddesc;
2420         pv = m->code->entrypoint;
2421
2422         STATISTICS(count_calls_native_to_java++);
2423
2424         o = asm_vm_call_method(pv, array, md->memuse);
2425
2426         if (md->returntype.type == TYPE_VOID)
2427                 o = NULL;
2428
2429         return LLNI_WRAP(o);
2430 }
2431
2432 VM_CALL_ARRAY(_int,    int32_t)
2433 VM_CALL_ARRAY(_long,   int64_t)
2434 VM_CALL_ARRAY(_float,  float)
2435 VM_CALL_ARRAY(_double, double)
2436
2437
2438 /* vm_call_method **************************************************************
2439
2440    Calls a Java method with a variable number of arguments.
2441
2442 *******************************************************************************/
2443
2444 #define VM_CALL_METHOD(name, type)                                  \
2445 type vm_call_method##name(methodinfo *m, java_handle_t *o, ...)     \
2446 {                                                                   \
2447         va_list ap;                                                     \
2448         type    value;                                                  \
2449                                                                     \
2450         va_start(ap, o);                                                \
2451         value = vm_call_method##name##_valist(m, o, ap);                \
2452         va_end(ap);                                                     \
2453                                                                     \
2454         return value;                                                   \
2455 }
2456
2457 VM_CALL_METHOD(,        java_handle_t *)
2458 VM_CALL_METHOD(_int,    int32_t)
2459 VM_CALL_METHOD(_long,   int64_t)
2460 VM_CALL_METHOD(_float,  float)
2461 VM_CALL_METHOD(_double, double)
2462
2463
2464 /* vm_call_method_valist *******************************************************
2465
2466    Calls a Java method with a variable number of arguments, passed via
2467    a va_list.
2468
2469 *******************************************************************************/
2470
2471 #define VM_CALL_METHOD_VALIST(name, type)                               \
2472 type vm_call_method##name##_valist(methodinfo *m, java_handle_t *o,     \
2473                                                                    va_list ap)                          \
2474 {                                                                       \
2475         uint64_t *array;                                                    \
2476         type      value;                                                    \
2477         int32_t   dumpmarker;                                               \
2478                                                                         \
2479         if (m->code == NULL)                                                \
2480                 if (!jit_compile(m))                                            \
2481                         return 0;                                                   \
2482                                                                         \
2483         THREAD_NATIVEWORLD_EXIT;                                            \
2484         DMARKER;                                                            \
2485                                                                         \
2486         array = argument_vmarray_from_valist(m, o, ap);                     \
2487         value = vm_call##name##_array(m, array);                            \
2488                                                                         \
2489         DRELEASE;                                                           \
2490         THREAD_NATIVEWORLD_ENTER;                                           \
2491                                                                         \
2492         return value;                                                       \
2493 }
2494
2495 VM_CALL_METHOD_VALIST(,        java_handle_t *)
2496 VM_CALL_METHOD_VALIST(_int,    int32_t)
2497 VM_CALL_METHOD_VALIST(_long,   int64_t)
2498 VM_CALL_METHOD_VALIST(_float,  float)
2499 VM_CALL_METHOD_VALIST(_double, double)
2500
2501
2502 /* vm_call_method_jvalue *******************************************************
2503
2504    Calls a Java method with a variable number of arguments, passed via
2505    a jvalue array.
2506
2507 *******************************************************************************/
2508
2509 #define VM_CALL_METHOD_JVALUE(name, type)                               \
2510 type vm_call_method##name##_jvalue(methodinfo *m, java_handle_t *o,     \
2511                                                            const jvalue *args)                  \
2512 {                                                                       \
2513         uint64_t *array;                                                    \
2514         type      value;                                                    \
2515         int32_t   dumpmarker;                                               \
2516                                                                         \
2517         if (m->code == NULL)                                                \
2518                 if (!jit_compile(m))                                            \
2519                         return 0;                                                   \
2520                                                                         \
2521         THREAD_NATIVEWORLD_EXIT;                                            \
2522         DMARKER;                                                            \
2523                                                                         \
2524         array = argument_vmarray_from_jvalue(m, o, args);                   \
2525         value = vm_call##name##_array(m, array);                            \
2526                                                                         \
2527         DRELEASE;                                                           \
2528         THREAD_NATIVEWORLD_ENTER;                                           \
2529                                                                         \
2530         return value;                                                       \
2531 }
2532
2533 VM_CALL_METHOD_JVALUE(,        java_handle_t *)
2534 VM_CALL_METHOD_JVALUE(_int,    int32_t)
2535 VM_CALL_METHOD_JVALUE(_long,   int64_t)
2536 VM_CALL_METHOD_JVALUE(_float,  float)
2537 VM_CALL_METHOD_JVALUE(_double, double)
2538
2539
2540 /* vm_call_method_objectarray **************************************************
2541
2542    Calls a Java method with a variable number if arguments, passed via
2543    an objectarray of boxed values. Returns a boxed value.
2544
2545 *******************************************************************************/
2546
2547 java_handle_t *vm_call_method_objectarray(methodinfo *m, java_handle_t *o,
2548                                                                                   java_handle_objectarray_t *params)
2549 {
2550         uint64_t      *array;
2551         java_handle_t *xptr;
2552         java_handle_t *ro;
2553         imm_union      value;
2554         int32_t        dumpmarker;
2555
2556         /* Prevent compiler warnings. */
2557
2558         ro = NULL;
2559
2560         /* compile methods which are not yet compiled */
2561
2562         if (m->code == NULL)
2563                 if (!jit_compile(m))
2564                         return NULL;
2565
2566         /* leave the nativeworld */
2567
2568         THREAD_NATIVEWORLD_EXIT;
2569
2570         /* mark start of dump memory area */
2571
2572         DMARKER;
2573
2574         /* Fill the argument array from a object-array. */
2575
2576         array = argument_vmarray_from_objectarray(m, o, params);
2577
2578         if (array == NULL) {
2579                 /* release dump area */
2580
2581                 DRELEASE;
2582
2583                 /* enter the nativeworld again */
2584
2585                 THREAD_NATIVEWORLD_ENTER;
2586
2587                 exceptions_throw_illegalargumentexception();
2588
2589                 return NULL;
2590         }
2591
2592         switch (m->parseddesc->returntype.primitivetype) {
2593         case PRIMITIVETYPE_VOID:
2594                 value.a = vm_call_array(m, array);
2595                 break;
2596
2597         case PRIMITIVETYPE_BOOLEAN:
2598         case PRIMITIVETYPE_BYTE:
2599         case PRIMITIVETYPE_CHAR:
2600         case PRIMITIVETYPE_SHORT:
2601         case PRIMITIVETYPE_INT:
2602                 value.i = vm_call_int_array(m, array);
2603                 break;
2604
2605         case PRIMITIVETYPE_LONG:
2606                 value.l = vm_call_long_array(m, array);
2607                 break;
2608
2609         case PRIMITIVETYPE_FLOAT:
2610                 value.f = vm_call_float_array(m, array);
2611                 break;
2612
2613         case PRIMITIVETYPE_DOUBLE:
2614                 value.d = vm_call_double_array(m, array);
2615                 break;
2616
2617         case TYPE_ADR:
2618                 ro = vm_call_array(m, array);
2619                 break;
2620
2621         default:
2622                 vm_abort("vm_call_method_objectarray: invalid return type %d", m->parseddesc->returntype.primitivetype);
2623         }
2624
2625         /* release dump area */
2626
2627         DRELEASE;
2628
2629         /* enter the nativeworld again */
2630
2631         THREAD_NATIVEWORLD_ENTER;
2632
2633         /* box the return value if necesarry */
2634
2635         if (m->parseddesc->returntype.primitivetype != TYPE_ADR)
2636                 ro = Primitive::box(m->parseddesc->returntype.primitivetype, value);
2637
2638         /* check for an exception */
2639
2640         xptr = exceptions_get_exception();
2641
2642         if (xptr != NULL) {
2643                 /* clear exception pointer, we are calling JIT code again */
2644
2645                 exceptions_clear_exception();
2646
2647                 exceptions_throw_invocationtargetexception(xptr);
2648         }
2649
2650         return ro;
2651 }
2652
2653
2654 /* Legacy C interface *********************************************************/
2655
2656 extern "C" {
2657
2658 JavaVM* VM_get_javavm()      { return vm->get_javavm(); }
2659 JNIEnv* VM_get_jnienv()      { return vm->get_jnienv(); }
2660 bool    VM_is_initializing() { return vm->is_initializing(); }
2661 bool    VM_is_created()      { return vm->is_created(); }
2662 int64_t VM_get_starttime()   { return vm->get_starttime(); }
2663
2664 }
2665
2666
2667 /*
2668  * These are local overrides for various environment variables in Emacs.
2669  * Please do not remove this and leave it at the end of the file, where
2670  * Emacs will automagically detect them.
2671  * ---------------------------------------------------------------------
2672  * Local variables:
2673  * mode: c++
2674  * indent-tabs-mode: t
2675  * c-basic-offset: 4
2676  * tab-width: 4
2677  * End:
2678  * vim:noexpandtab:sw=4:ts=4:
2679  */