/* src/vm/finalizer.c - finalizer linked list and thread Copyright (C) 1996-2005, 2006 R. Grafl, A. Krall, C. Kruegel, C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring, E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich, J. Wenninger, Institut f. Computersprachen - TU Wien This file is part of CACAO. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. Contact: cacao@cacaojvm.org Authors: Christian Thalinger Changes: $Id: finalizer.c 4357 2006-01-22 23:33:38Z twisti $ */ #include "config.h" #include #include #include "vm/types.h" #include "mm/boehm.h" #include "mm/memory.h" #include "native/jni.h" #include "native/native.h" #if defined(USE_THREADS) # if defined(NATIVE_THREADS) # include "threads/native/threads.h" # else # include "threads/green/threads.h" # include "threads/green/locks.h" # endif #endif #include "vm/classcache.h" #include "vm/exceptions.h" #include "vm/finalizer.h" #include "vm/global.h" #include "vm/initialize.h" #include "vm/options.h" #include "vm/properties.h" #include "vm/signallocal.h" #include "vm/stringlocal.h" #include "vm/suck.h" #include "vm/jit/asmpart.h" #include "vm/jit/profile/profile.h" /* Invocation API variables ***************************************************/ JavaVM *_Jv_jvm; /* denotes a Java VM */ _Jv_JNIEnv *_Jv_env; /* pointer to native method interface */ /* global variables ***********************************************************/ s4 vms = 0; /* number of VMs created */ bool vm_initializing = false; bool vm_exiting = false; #if defined(ENABLE_INTRP) u1 *intrp_main_stack = NULL; #endif void **stackbottom = NULL; char *mainstring = NULL; classinfo *mainclass = NULL; char *specificmethodname = NULL; char *specificsignature = NULL; bool startit = true; /* define heap sizes **********************************************************/ #define HEAP_MAXSIZE 64 * 1024 * 1024 /* default 64MB */ #define HEAP_STARTSIZE 2 * 1024 * 1024 /* default 2MB */ #define STACK_SIZE 128 * 1024 /* default 128kB */ /* define command line options ************************************************/ enum { OPT_CLASSPATH, OPT_D, OPT_MS, OPT_MX, OPT_VERBOSE1, OPT_VERBOSE, OPT_VERBOSESPECIFIC, OPT_VERBOSECALL, OPT_NOIEEE, OPT_SOFTNULL, OPT_TIME, #if defined(ENABLE_STATISTICS) OPT_STAT, #endif OPT_LOG, OPT_CHECK, OPT_LOAD, OPT_METHOD, OPT_SIGNATURE, OPT_SHOW, OPT_ALL, OPT_OLOOP, OPT_INLINING, OPT_VERBOSETC, OPT_NOVERIFY, OPT_LIBERALUTF, OPT_VERBOSEEXCEPTION, OPT_EAGER, /* optimization options */ #if defined(ENABLE_IFCONV) OPT_IFCONV, #endif #if defined(ENABLE_LSRA) OPT_LSRA, #endif OPT_JAR, OPT_BOOTCLASSPATH, OPT_BOOTCLASSPATH_A, OPT_BOOTCLASSPATH_P, OPT_VERSION, OPT_SHOWVERSION, OPT_FULLVERSION, OPT_HELP, OPT_X, OPT_JIT, OPT_INTRP, OPT_PROF, OPT_PROF_OPTION, #if defined(ENABLE_INTRP) /* interpreter options */ OPT_NO_DYNAMIC, OPT_NO_REPLICATION, OPT_NO_QUICKSUPER, OPT_STATIC_SUPERS, OPT_TRACE, #endif OPT_SS, #ifdef ENABLE_JVMTI OPT_DEBUG, OPT_AGENTLIB, OPT_AGENTPATH, #endif DUMMY }; opt_struct opts[] = { { "classpath", true, OPT_CLASSPATH }, { "cp", true, OPT_CLASSPATH }, { "D", true, OPT_D }, { "noasyncgc", false, OPT_IGNORE }, { "noverify", false, OPT_NOVERIFY }, { "liberalutf", false, OPT_LIBERALUTF }, { "v", false, OPT_VERBOSE1 }, { "verbose", false, OPT_VERBOSE }, { "verbose:", true, OPT_VERBOSESPECIFIC }, { "verbosecall", false, OPT_VERBOSECALL }, { "verboseexception", false, OPT_VERBOSEEXCEPTION }, #ifdef TYPECHECK_VERBOSE { "verbosetc", false, OPT_VERBOSETC }, #endif #if defined(__ALPHA__) { "noieee", false, OPT_NOIEEE }, #endif { "softnull", false, OPT_SOFTNULL }, { "time", false, OPT_TIME }, #if defined(ENABLE_STATISTICS) { "stat", false, OPT_STAT }, #endif { "log", true, OPT_LOG }, { "c", true, OPT_CHECK }, { "l", false, OPT_LOAD }, { "eager", false, OPT_EAGER }, { "sig", true, OPT_SIGNATURE }, { "all", false, OPT_ALL }, { "oloop", false, OPT_OLOOP }, #if defined(ENABLE_IFCONV) { "ifconv", false, OPT_IFCONV }, #endif #if defined(ENABLE_LSRA) { "lsra", false, OPT_LSRA }, #endif { "jar", false, OPT_JAR }, { "version", false, OPT_VERSION }, { "showversion", false, OPT_SHOWVERSION }, { "fullversion", false, OPT_FULLVERSION }, { "help", false, OPT_HELP }, { "?", false, OPT_HELP }, #if defined(ENABLE_INTRP) /* interpreter options */ { "trace", false, OPT_TRACE }, { "static-supers", true, OPT_STATIC_SUPERS }, { "no-dynamic", false, OPT_NO_DYNAMIC }, { "no-replication", false, OPT_NO_REPLICATION }, { "no-quicksuper", false, OPT_NO_QUICKSUPER }, #endif /* JVMTI Agent Command Line Options */ #ifdef ENABLE_JVMTI { "agentlib:", true, OPT_AGENTLIB }, { "agentpath:", true, OPT_AGENTPATH }, #endif /* X options */ { "X", false, OPT_X }, { "Xjit", false, OPT_JIT }, { "Xint", false, OPT_INTRP }, { "Xbootclasspath:", true, OPT_BOOTCLASSPATH }, { "Xbootclasspath/a:", true, OPT_BOOTCLASSPATH_A }, { "Xbootclasspath/p:", true, OPT_BOOTCLASSPATH_P }, #ifdef ENABLE_JVMTI { "Xdebug", false, OPT_DEBUG }, #endif { "Xms", true, OPT_MS }, { "Xmx", true, OPT_MX }, { "Xprof:", true, OPT_PROF_OPTION }, { "Xprof", false, OPT_PROF }, { "Xss", true, OPT_SS }, { "ms", true, OPT_MS }, { "mx", true, OPT_MX }, { "ss", true, OPT_SS }, /* keep these at the end of the list */ { "i", true, OPT_INLINING }, { "m", true, OPT_METHOD }, { "s", true, OPT_SHOW }, { NULL, false, 0 } }; /* usage *********************************************************************** Prints the correct usage syntax to stdout. *******************************************************************************/ void usage(void) { printf("Usage: cacao [-options] classname [arguments]\n"); printf(" (to run a class file)\n"); printf(" cacao [-options] -jar jarfile [arguments]\n"); printf(" (to run a standalone jar file)\n\n"); printf("Java options:\n"); printf(" -cp specify a path to look for classes\n"); printf(" -classpath specify a path to look for classes\n"); printf(" -D= add an entry to the property list\n"); printf(" -verbose[:class|gc|jni] enable specific verbose output\n"); printf(" -version print product version and exit\n"); printf(" -fullversion print jpackage-compatible product version and exit\n"); printf(" -showversion print product version and continue\n"); printf(" -help, -? print this help message\n"); printf(" -X print help on non-standard Java options\n\n"); #ifdef ENABLE_JVMTI printf(" -agentlib:= library to load containg JVMTI agent\n"); printf(" -agentpath:= path to library containg JVMTI agent\n"); #endif printf("CACAO options:\n"); printf(" -v write state-information\n"); printf(" -verbose write more information\n"); printf(" -verbosegc write message for each GC\n"); printf(" -verbosecall write message for each call\n"); printf(" -verboseexception write message for each step of stack unwinding\n"); #ifdef TYPECHECK_VERBOSE printf(" -verbosetc write debug messages while typechecking\n"); #endif #if defined(__ALPHA__) printf(" -noieee don't use ieee compliant arithmetic\n"); #endif printf(" -noverify don't verify classfiles\n"); printf(" -liberalutf don't warn about overlong UTF-8 sequences\n"); printf(" -softnull use software nullpointer check\n"); printf(" -time measure the runtime\n"); #if defined(ENABLE_STATISTICS) printf(" -stat detailed compiler statistics\n"); #endif printf(" -log logfile specify a name for the logfile\n"); printf(" -c(heck)b(ounds) don't check array bounds\n"); printf(" s(ync) don't check for synchronization\n"); printf(" -oloop optimize array accesses in loops\n"); printf(" -l don't start the class after loading\n"); printf(" -eager perform eager class loading and linking\n"); printf(" -all compile all methods, no execution\n"); printf(" -m compile only a specific method\n"); printf(" -sig specify signature for a specific method\n"); printf(" -s(how)a(ssembler) show disassembled listing\n"); printf(" c(onstants) show the constant pool\n"); printf(" d(atasegment) show data segment listing\n"); printf(" e(xceptionstubs) show disassembled exception stubs (only with -sa)\n"); printf(" i(ntermediate) show intermediate representation\n"); printf(" m(ethods) show class fields and methods\n"); printf(" n(ative) show disassembled native stubs\n"); printf(" u(tf) show the utf - hash\n"); printf(" -i n(line) activate inlining\n"); printf(" v(irtual) inline virtual methods (uses/turns rt option on)\n"); printf(" e(exception) inline methods with exceptions\n"); printf(" p(aramopt) optimize argument renaming\n"); printf(" o(utsiders) inline methods of foreign classes\n"); #if defined(ENABLE_IFCONV) printf(" -ifconv use if-conversion\n"); #endif #if defined(ENABLE_LSRA) printf(" -lsra use linear scan register allocation\n"); #endif /* exit with error code */ exit(1); } static void Xusage(void) { #if defined(ENABLE_JIT) printf(" -Xjit JIT mode execution (default)\n"); #endif #if defined(ENABLE_INTRP) printf(" -Xint interpreter mode execution\n"); #endif printf(" -Xbootclasspath:\n"); printf(" value is set as bootstrap class path\n"); printf(" -Xbootclasspath/a:\n"); printf(" value is appended to the bootstrap class path\n"); printf(" -Xbootclasspath/p:\n"); printf(" value is prepended to the bootstrap class path\n"); printf(" -Xms set the initial size of the heap (default: 2MB)\n"); printf(" -Xmx set the maximum size of the heap (default: 64MB)\n"); printf(" -Xss set the thread stack size (default: 128kB)\n"); printf(" -Xprof[:bb] collect and print profiling data\n"); #if defined(ENABLE_JVMTI) printf(" -Xdebug enable remote debugging\n"); #endif /* exit with error code */ exit(1); } /* version ********************************************************************* Only prints cacao version information. *******************************************************************************/ static void version(void) { printf("java version \""JAVA_VERSION"\"\n"); printf("CACAO version "VERSION"\n"); printf("Copyright (C) 1996-2005, 2006 R. Grafl, A. Krall, C. Kruegel,\n"); printf("C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,\n"); printf("E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,\n"); printf("J. Wenninger, Institut f. Computersprachen - TU Wien\n\n"); printf("This program is free software; you can redistribute it and/or\n"); printf("modify it under the terms of the GNU General Public License as\n"); printf("published by the Free Software Foundation; either version 2, or (at\n"); printf("your option) any later version.\n\n"); printf("This program is distributed in the hope that it will be useful, but\n"); printf("WITHOUT ANY WARRANTY; without even the implied warranty of\n"); printf("MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"); printf("General Public License for more details.\n\n"); printf("Configure/Build options:\n"); printf(" ./configure: "VERSION_CONFIGURE_ARGS"\n"); printf(" CC : "VERSION_CC" ("__VERSION__")\n"); printf(" CFLAGS : "VERSION_CFLAGS"\n"); } /* fullversion ***************************************************************** Prints a Sun compatible version information (required e.g. by jpackage, www.jpackage.org). *******************************************************************************/ static void fullversion(void) { printf("java full version \"cacao-"JAVA_VERSION"\"\n"); /* exit normally */ exit(0); } /* vm_create ******************************************************************* Creates a JVM. Called by JNI_CreateJavaVM. *******************************************************************************/ bool vm_create(JavaVMInitArgs *vm_args) { char *cp; s4 cplen; u4 heapmaxsize; u4 heapstartsize; s4 opt; s4 i, j, k; /* check the JNI version requested */ switch (vm_args->version) { case JNI_VERSION_1_1: break; case JNI_VERSION_1_2: case JNI_VERSION_1_4: break; default: return false; } /* we only support 1 JVM instance */ if (vms > 0) return false; /* get stuff from the environment *****************************************/ #if defined(DISABLE_GC) nogc_init(HEAP_MAXSIZE, HEAP_STARTSIZE); #endif /* set the bootclasspath */ cp = getenv("BOOTCLASSPATH"); if (cp) { bootclasspath = MNEW(char, strlen(cp) + strlen("0")); strcpy(bootclasspath, cp); } else { cplen = strlen(CACAO_VM_ZIP_PATH) + strlen(":") + strlen(CLASSPATH_GLIBJ_ZIP_PATH) + strlen("0"); bootclasspath = MNEW(char, cplen); strcat(bootclasspath, CACAO_VM_ZIP_PATH); strcat(bootclasspath, ":"); strcat(bootclasspath, CLASSPATH_GLIBJ_ZIP_PATH); } /* set the classpath */ cp = getenv("CLASSPATH"); if (cp) { classpath = MNEW(char, strlen(cp) + strlen("0")); strcat(classpath, cp); } else { classpath = MNEW(char, strlen(".") + strlen("0")); strcpy(classpath, "."); } /* interpret the options **************************************************/ checknull = false; opt_noieee = false; heapmaxsize = HEAP_MAXSIZE; heapstartsize = HEAP_STARTSIZE; opt_stacksize = STACK_SIZE; /* initialize properties before commandline handling */ if (!properties_init()) throw_cacao_exception_exit(string_java_lang_InternalError, "Unable to init properties"); /* iterate over all passed options */ while ((opt = options_get(opts, vm_args)) != OPT_DONE) { switch (opt) { case OPT_IGNORE: break; case OPT_BOOTCLASSPATH: /* Forget default bootclasspath and set the argument as new boot classpath. */ MFREE(bootclasspath, char, strlen(bootclasspath)); bootclasspath = MNEW(char, strlen(opt_arg) + strlen("0")); strcpy(bootclasspath, opt_arg); break; case OPT_BOOTCLASSPATH_A: /* append to end of bootclasspath */ cplen = strlen(bootclasspath); bootclasspath = MREALLOC(bootclasspath, char, cplen, cplen + strlen(":") + strlen(opt_arg) + strlen("0")); strcat(bootclasspath, ":"); strcat(bootclasspath, opt_arg); break; case OPT_BOOTCLASSPATH_P: /* prepend in front of bootclasspath */ cp = bootclasspath; cplen = strlen(cp); bootclasspath = MNEW(char, strlen(opt_arg) + strlen(":") + cplen + strlen("0")); strcpy(bootclasspath, opt_arg); strcat(bootclasspath, ":"); strcat(bootclasspath, cp); MFREE(cp, char, cplen); break; case OPT_CLASSPATH: /* forget old classpath and set the argument as new classpath */ MFREE(classpath, char, strlen(classpath)); classpath = MNEW(char, strlen(opt_arg) + strlen("0")); strcpy(classpath, opt_arg); break; case OPT_JAR: opt_jar = true; break; #if defined(ENABLE_JVMTI) case OPT_DEBUG: dbg = true; transport = opt_arg; break; case OPT_AGENTPATH: case OPT_AGENTLIB: set_jvmti_phase(JVMTI_PHASE_ONLOAD); agentload(opt_arg); set_jvmti_phase(JVMTI_PHASE_PRIMORDIAL); break; #endif case OPT_D: for (j = 0; j < strlen(opt_arg); j++) { if (opt_arg[j] == '=') { opt_arg[j] = '\0'; properties_add(opt_arg, opt_arg + j + 1); goto didit; } } /* if no '=' is given, just create an empty property */ properties_add(opt_arg, ""); didit: break; case OPT_MX: case OPT_MS: case OPT_SS: { char c; c = opt_arg[strlen(opt_arg) - 1]; if ((c == 'k') || (c == 'K')) { j = atoi(opt_arg) * 1024; } else if ((c == 'm') || (c == 'M')) { j = atoi(opt_arg) * 1024 * 1024; } else j = atoi(opt_arg); if (opt == OPT_MX) heapmaxsize = j; else if (opt == OPT_MS) heapstartsize = j; else opt_stacksize = j; } break; case OPT_VERBOSE1: opt_verbose = true; break; case OPT_VERBOSE: opt_verbose = true; loadverbose = true; linkverbose = true; initverbose = true; compileverbose = true; break; case OPT_VERBOSESPECIFIC: if (strcmp("class", opt_arg) == 0) opt_verboseclass = true; else if (strcmp("gc", opt_arg) == 0) opt_verbosegc = true; else if (strcmp("jni", opt_arg) == 0) opt_verbosejni = true; break; case OPT_VERBOSEEXCEPTION: opt_verboseexception = true; break; #ifdef TYPECHECK_VERBOSE case OPT_VERBOSETC: typecheckverbose = true; break; #endif case OPT_VERBOSECALL: runverbose = true; break; case OPT_VERSION: version(); exit(0); break; case OPT_FULLVERSION: fullversion(); break; case OPT_SHOWVERSION: version(); break; case OPT_NOIEEE: opt_noieee = true; break; case OPT_NOVERIFY: opt_verify = false; break; case OPT_LIBERALUTF: opt_liberalutf = true; break; case OPT_SOFTNULL: checknull = true; break; case OPT_TIME: getcompilingtime = true; getloadingtime = true; break; #if defined(ENABLE_STATISTICS) case OPT_STAT: opt_stat = true; break; #endif case OPT_LOG: log_init(opt_arg); break; case OPT_CHECK: for (j = 0; j < strlen(opt_arg); j++) { switch (opt_arg[j]) { case 'b': checkbounds = false; break; case 's': checksync = false; break; default: usage(); } } break; case OPT_LOAD: opt_run = false; makeinitializations = false; break; case OPT_EAGER: opt_eager = true; break; case OPT_METHOD: opt_run = false; opt_method = opt_arg; makeinitializations = false; break; case OPT_SIGNATURE: opt_signature = opt_arg; break; case OPT_ALL: compileall = true; opt_run = false; makeinitializations = false; break; case OPT_SHOW: /* Display options */ for (j = 0; j < strlen(opt_arg); j++) { switch (opt_arg[j]) { case 'a': opt_showdisassemble = true; compileverbose = true; break; case 'c': showconstantpool = true; break; case 'd': opt_showddatasegment = true; break; case 'e': opt_showexceptionstubs = true; break; case 'i': opt_showintermediate = true; compileverbose = true; break; case 'm': showmethods = true; break; case 'n': opt_shownativestub = true; break; case 'u': showutf = true; break; default: usage(); } } break; case OPT_OLOOP: opt_loops = true; break; case OPT_INLINING: for (j = 0; j < strlen(opt_arg); j++) { switch (opt_arg[j]) { case 'n': /* define in options.h; Used in main.c, jit.c & inline.c inlining is currently deactivated */ break; case 'v': inlinevirtuals = true; break; case 'e': inlineexceptions = true; break; case 'p': inlineparamopt = true; break; case 'o': inlineoutsiders = true; break; default: usage(); } } break; #if defined(ENABLE_IFCONV) case OPT_IFCONV: opt_ifconv = true; break; #endif #if defined(ENABLE_LSRA) case OPT_LSRA: opt_lsra = true; break; #endif case OPT_HELP: usage(); break; case OPT_X: Xusage(); break; case OPT_PROF_OPTION: /* use <= to get the last \0 too */ for (j = 0, k = 0; j <= strlen(opt_arg); j++) { if (opt_arg[j] == ',') opt_arg[j] = '\0'; if (opt_arg[j] == '\0') { if (strcmp("bb", opt_arg + k) == 0) opt_prof_bb = true; else { printf("Unknown option: -Xprof:%s\n", opt_arg + k); usage(); } /* set k to next char */ k = j + 1; } } /* fall through */ case OPT_PROF: opt_prof = true; break; case OPT_JIT: #if defined(ENABLE_JIT) opt_jit = true; #else printf("-Xjit option not enabled.\n"); exit(1); #endif break; case OPT_INTRP: #if defined(ENABLE_INTRP) opt_intrp = true; #else printf("-Xint option not enabled.\n"); exit(1); #endif break; #if defined(ENABLE_INTRP) case OPT_STATIC_SUPERS: opt_static_supers = atoi(opt_arg); break; case OPT_NO_DYNAMIC: opt_no_dynamic = true; break; case OPT_NO_REPLICATION: opt_no_replication = true; break; case OPT_NO_QUICKSUPER: opt_no_quicksuper = true; break; case OPT_TRACE: vm_debug = true; break; #endif default: printf("Unknown option: %s\n", vm_args->options[opt_index].optionString); usage(); } } /* get the main class *****************************************************/ if (opt_index < vm_args->nOptions) { mainstring = vm_args->options[opt_index++].optionString; if (opt_jar == true) { /* prepend the jar file to the classpath (if any) */ if (opt_jar == true) { /* put jarfile in classpath */ cp = classpath; classpath = MNEW(char, strlen(mainstring) + strlen(":") + strlen(classpath) + strlen("0")); strcpy(classpath, mainstring); strcat(classpath, ":"); strcat(classpath, cp); MFREE(cp, char, strlen(cp)); } else { /* replace .'s with /'s in classname */ for (i = strlen(mainstring) - 1; i >= 0; i--) if (mainstring[i] == '.') mainstring[i] = '/'; } } } /* initialize this JVM ****************************************************/ vm_initializing = true; /* initialize the garbage collector */ gc_init(heapmaxsize, heapstartsize); #if defined(ENABLE_INTRP) /* Allocate main thread stack on the Java heap. */ if (opt_intrp) { intrp_main_stack = GCMNEW(u1, opt_stacksize); MSET(intrp_main_stack, 0, u1, opt_stacksize); } #endif #if defined(USE_THREADS) #if defined(NATIVE_THREADS) threads_preinit(); #endif initLocks(); #endif /* initialize the string hashtable stuff: lock (must be done _after_ threads_preinit) */ if (!string_init()) throw_main_exception_exit(); /* initialize the utf8 hashtable stuff: lock, often used utf8 strings (must be done _after_ threads_preinit) */ if (!utf8_init()) throw_main_exception_exit(); /* initialize the classcache hashtable stuff: lock, hashtable (must be done _after_ threads_preinit) */ if (!classcache_init()) throw_main_exception_exit(); /* initialize the loader with bootclasspath (must be done _after_ thread_preinit) */ if (!suck_init()) throw_main_exception_exit(); suck_add_from_property("java.endorsed.dirs"); suck_add(bootclasspath); /* initialize the memory subsystem (must be done _after_ threads_preinit) */ if (!memory_init()) throw_main_exception_exit(); /* initialize the finalizer stuff (must be done _after_ threads_preinit) */ if (!finalizer_init()) throw_main_exception_exit(); /* install architecture dependent signal handler used for exceptions */ signal_init(); /* initialize the codegen subsystems */ codegen_init(); /* initializes jit compiler */ jit_init(); /* machine dependent initialization */ #if defined(ENABLE_JIT) # if defined(ENABLE_INTRP) if (opt_intrp) intrp_md_init(); else # endif md_init(); #else intrp_md_init(); #endif /* initialize the loader subsystems (must be done _after_ classcache_init) */ if (!loader_init((u1 *) stackbottom)) throw_main_exception_exit(); if (!linker_init()) throw_main_exception_exit(); if (!native_init()) throw_main_exception_exit(); if (!exceptions_init()) throw_main_exception_exit(); if (!builtin_init()) throw_main_exception_exit(); #if defined(USE_THREADS) if (!threads_init((u1 *) stackbottom)) throw_main_exception_exit(); #endif /* That's important, otherwise we get into trouble, if the Runtime static initializer is called before (circular dependency. This is with classpath 0.09. Another important thing is, that this has to happen after initThreads!!! */ if (!initialize_class(class_java_lang_System)) throw_main_exception_exit(); /* JNI init creates a Java object (this means running Java code) */ if (!jni_init()) throw_main_exception_exit(); /* initialize profiling */ if (!profile_init()) throw_main_exception_exit(); #if defined(USE_THREADS) /* finally, start the finalizer thread */ if (!finalizer_start_thread()) throw_main_exception_exit(); /* start the profile sampling thread */ /* if (!profile_start_thread()) */ /* throw_main_exception_exit(); */ #endif /* increment the number of VMs */ vms++; /* initialization is done */ vm_initializing = false; /* everything's ok */ return true; } /* vm_destroy ****************************************************************** Unloads a Java VM and reclaims its resources. *******************************************************************************/ s4 vm_destroy(JavaVM *vm) { #if defined(USE_THREADS) #if defined(NATIVE_THREADS) joinAllThreads(); #else killThread(currentThread); #endif #endif /* everything's ok */ return 0; } /* vm_exit ********************************************************************* Calls java.lang.System.exit(I)V to exit the JavaVM correctly. *******************************************************************************/ void vm_exit(s4 status) { methodinfo *m; /* signal that we are exiting */ vm_exiting = true; assert(class_java_lang_System); assert(class_java_lang_System->state & CLASS_LOADED); #if defined(ENABLE_JVMTI) set_jvmti_phase(JVMTI_PHASE_DEAD); agentunload(); #endif if (!link_class(class_java_lang_System)) throw_main_exception_exit(); /* call java.lang.System.exit(I)V */ m = class_resolveclassmethod(class_java_lang_System, utf_new_char("exit"), utf_int__void, class_java_lang_Object, true); if (!m) throw_main_exception_exit(); /* call the exit function with passed exit status */ ASM_CALLJAVAFUNCTION(m, (void *) (ptrint) status, NULL, NULL, NULL); /* this should never happen */ if (*exceptionptr) throw_exception_exit(); throw_cacao_exception_exit(string_java_lang_InternalError, "System.exit(I)V returned without exception"); } /* vm_shutdown ***************************************************************** Terminates the system immediately without freeing memory explicitly (to be used only for abnormal termination). *******************************************************************************/ void vm_shutdown(s4 status) { #if defined(ENABLE_JVMTI) agentunload(); #endif if (opt_verbose || getcompilingtime || opt_stat) { log_text("CACAO terminated by shutdown"); dolog("Exit status: %d\n", (s4) status); } exit(status); } /* vm_exit_handler ************************************************************* The exit_handler function is called upon program termination. ATTENTION: Don't free system resources here! Some threads may still be running as this is called from VMRuntime.exit(). The OS does the cleanup for us. *******************************************************************************/ void vm_exit_handler(void) { #if !defined(NDEBUG) if (showmethods) class_showmethods(mainclass); if (showconstantpool) class_showconstantpool(mainclass); if (showutf) utf_show(); if (opt_prof) profile_printstats(); #endif #if defined(USE_THREADS) && !defined(NATIVE_THREADS) clear_thread_flags(); /* restores standard file descriptor flags */ #endif if (opt_verbose || getcompilingtime || opt_stat) { log_text("CACAO terminated"); #if defined(ENABLE_STATISTICS) if (opt_stat) { print_stats(); #ifdef TYPECHECK_STATISTICS typecheck_print_statistics(get_logfile()); #endif } mem_usagelog(1); if (getcompilingtime) print_times(); #endif } /* vm_print_profile(stderr);*/ } /* * These are local overrides for various environment variables in Emacs. * Please do not remove this and leave it at the end of the file, where * Emacs will automagically detect them. * --------------------------------------------------------------------- * Local variables: * mode: c * indent-tabs-mode: t * c-basic-offset: 4 * tab-width: 4 * End: */