/* src/cacao/cacao.c - contains main() of cacao Copyright (C) 1996-2005 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. Contact: cacao@complang.tuwien.ac.at Authors: Reinhard Grafl Changes: Andi Krall Mark Probst Philipp Tomsich Christian Thalinger This module does the following tasks: - Command line option handling - Calling initialization routines - Calling the class loader - Running the main method $Id: cacao.c 2897 2005-07-04 20:39:26Z twisti $ */ #include #include #include #include "config.h" #include "cacao/cacao.h" #include "mm/boehm.h" #include "mm/memory.h" #include "native/jni.h" #include "native/native.h" #include "toolbox/logging.h" #include "vm/exceptions.h" #include "vm/global.h" #include "vm/initialize.h" #include "vm/loader.h" #include "vm/options.h" #include "vm/signallocal.h" #include "vm/statistics.h" #include "vm/stringlocal.h" #include "vm/tables.h" #include "vm/classcache.h" #include "vm/jit/asmpart.h" #include "vm/jit/jit.h" #ifdef TYPEINFO_DEBUG_TEST #include "vm/jit/verify/typeinfo.h" #endif /* define heap sizes **********************************************************/ #define HEAP_MAXSIZE 64 * 1024 * 1024; /* default 64MB */ #define HEAP_STARTSIZE 2 * 1024 * 1024; /* default 2MB */ /* Invocation API variables ***************************************************/ JavaVM *jvm; /* denotes a Java VM */ JNIEnv *env; /* pointer to native method interface */ JDK1_1InitArgs vm_args; /* JDK 1.1 VM initialization arguments */ bool cacao_initializing; char *bootclasspath; /* contains the boot classpath */ char *classpath; /* contains the classpath */ char *mainstring; static classinfo *mainclass; #if defined(USE_THREADS) && !defined(NATIVE_THREADS) void **stackbottom = 0; #endif /* define command line options ************************************************/ #define OPT_CLASSPATH 2 #define OPT_D 3 #define OPT_MS 4 #define OPT_MX 5 #define OPT_VERBOSE1 6 #define OPT_VERBOSE 7 #define OPT_VERBOSESPECIFIC 8 #define OPT_VERBOSECALL 9 #define OPT_NOIEEE 10 #define OPT_SOFTNULL 11 #define OPT_TIME 12 #if defined(STATISTICS) #define OPT_STAT 13 #endif /* defined(STATISTICS) */ #define OPT_LOG 14 #define OPT_CHECK 15 #define OPT_LOAD 16 #define OPT_METHOD 17 #define OPT_SIGNATURE 18 #define OPT_SHOW 19 #define OPT_ALL 20 #define OPT_OLOOP 24 #define OPT_INLINING 25 #define STATIC_ANALYSIS #if defined(STATIC_ANALYSIS) # define OPT_RT 26 # define OPT_XTA 27 # define OPT_VTA 28 #endif /* defined(STATIC_ANALYSIS) */ #define OPT_VERBOSETC 29 #define OPT_NOVERIFY 30 #define OPT_LIBERALUTF 31 #define OPT_VERBOSEEXCEPTION 32 #define OPT_EAGER 33 #if defined(LSRA) #define OPT_LSRA 34 #endif /* defined(LSRA) */ #define OPT_JAR 35 #define OPT_BOOTCLASSPATH 36 #define OPT_BOOTCLASSPATH_A 37 #define OPT_BOOTCLASSPATH_P 38 #define OPT_VERSION 39 #define OPT_SHOWVERSION 40 #define OPT_HELP 100 #define OPT_X 101 opt_struct opts[] = { { "classpath", true, OPT_CLASSPATH }, { "cp", true, OPT_CLASSPATH }, { "D", true, OPT_D }, { "Xms", true, OPT_MS }, { "Xmx", true, OPT_MX }, { "ms", true, OPT_MS }, { "mx", true, OPT_MX }, { "noasyncgc", false, OPT_IGNORE }, { "noverify", false, OPT_NOVERIFY }, { "liberalutf", false, OPT_LIBERALUTF }, { "oss", true, OPT_IGNORE }, { "ss", true, OPT_IGNORE }, { "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(STATISTICS) { "stat", false, OPT_STAT }, #endif { "log", true, OPT_LOG }, { "c", true, OPT_CHECK }, { "l", false, OPT_LOAD }, { "eager", false, OPT_EAGER }, { "m", true, OPT_METHOD }, { "sig", true, OPT_SIGNATURE }, { "s", true, OPT_SHOW }, { "all", false, OPT_ALL }, { "oloop", false, OPT_OLOOP }, { "i", true, OPT_INLINING }, #ifdef STATIC_ANALYSIS { "rt", false, OPT_RT }, { "xta", false, OPT_XTA }, { "vta", false, OPT_VTA }, #endif #ifdef LSRA { "lsra", false, OPT_LSRA }, #endif { "jar", false, OPT_JAR }, { "Xbootclasspath:", true, OPT_BOOTCLASSPATH }, { "Xbootclasspath/a:", true, OPT_BOOTCLASSPATH_A }, { "Xbootclasspath/p:", true, OPT_BOOTCLASSPATH_P }, { "version", false, OPT_VERSION }, { "showversion", false, OPT_SHOWVERSION }, { "help", false, OPT_HELP }, { "?", false, OPT_HELP }, { "X", false, OPT_X }, { NULL, false, 0 } }; /* usage *********************************************************************** Prints the correct usage syntax to stdout. *******************************************************************************/ static 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(" -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"); 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(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(" 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"); #ifdef STATIC_ANALYSIS printf(" -rt use rapid type analysis\n"); printf(" -xta use x type analysis\n"); printf(" -vta use variable type analysis\n"); #endif #ifdef LSRA printf(" -lsra use linear scan register allocation\n"); #endif /* exit with error code */ exit(1); } static void Xusage(void) { 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: 2M)\n"); printf(" -Xmx set the maximum size of the heap (default: 64M)\n"); /* exit with error code */ exit(1); } /* version ********************************************************************* Only prints cacao version information. *******************************************************************************/ static void version(void) { printf("CACAO version "VERSION"\n"); printf("Copyright (C) 1996-2005 R. Grafl, A. Krall, C. Kruegel, C. Oates,\n"); printf("R. Obermaisser, M. Platter, M. Probst, S. Ring, E. Steiner,\n"); printf("C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich, J. Wenninger,\n"); printf("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"); } #ifdef TYPECHECK_STATISTICS void typecheck_print_statistics(FILE *file); #endif /* getmainclassfromjar ********************************************************* Gets the name of the main class form a JAR's manifest file. *******************************************************************************/ static char *getmainclassnamefromjar(char *mainstring) { classinfo *c; java_objectheader *o; methodinfo *m; java_lang_String *s; c = load_class_from_sysloader(utf_new_char("java/util/jar/JarFile")); if (!c) throw_main_exception_exit(); /* create JarFile object */ o = builtin_new(c); if (!o) throw_main_exception_exit(); m = class_resolveclassmethod(c, utf_init, utf_java_lang_String__void, class_java_lang_Object, true); if (!m) throw_main_exception_exit(); s = javastring_new_char(mainstring); asm_calljavafunction(m, o, s, NULL, NULL); if (*exceptionptr) throw_main_exception_exit(); /* get manifest object */ m = class_resolveclassmethod(c, utf_new_char("getManifest"), utf_new_char("()Ljava/util/jar/Manifest;"), class_java_lang_Object, true); if (!m) throw_main_exception_exit(); o = asm_calljavafunction(m, o, NULL, NULL, NULL); if (!o) { fprintf(stderr, "Could not get manifest from %s (invalid or corrupt jarfile?)\n", mainstring); cacao_exit(1); } /* get Main Attributes */ m = class_resolveclassmethod(o->vftbl->class, utf_new_char("getMainAttributes"), utf_new_char("()Ljava/util/jar/Attributes;"), class_java_lang_Object, true); if (!m) throw_main_exception_exit(); o = asm_calljavafunction(m, o, NULL, NULL, NULL); if (!o) { fprintf(stderr, "Could not get main attributes from %s (invalid or corrupt jarfile?)\n", mainstring); cacao_exit(1); } /* get property Main-Class */ m = class_resolveclassmethod(o->vftbl->class, utf_new_char("getValue"), utf_new_char("(Ljava/lang/String;)Ljava/lang/String;"), class_java_lang_Object, true); if (!m) throw_main_exception_exit(); s = javastring_new_char("Main-Class"); o = asm_calljavafunction(m, o, s, NULL, NULL); if (!o) throw_main_exception_exit(); return javastring_tochar(o); } /* * void exit_handler(void) * ----------------------- * The exit_handler function is called upon program termination to shutdown * the various subsystems and release the resources allocated to the VM. */ void exit_handler(void) { /********************* Print debug tables ************************/ if (showmethods) class_showmethods(mainclass); if (showconstantpool) class_showconstantpool(mainclass); if (showutf) utf_show(); #if defined(USE_THREADS) && !defined(NATIVE_THREADS) clear_thread_flags(); /* restores standard file descriptor flags */ #endif /************************ Free all resources *******************/ loader_close(); tables_close(); MFREE(classpath, u1, strlen(classpath)); if (opt_verbose || getcompilingtime || opt_stat) { log_text("CACAO terminated"); #if defined(STATISTICS) if (opt_stat) { print_stats(); #ifdef TYPECHECK_STATISTICS typecheck_print_statistics(get_logfile()); #endif } if (getcompilingtime) print_times(); mem_usagelog(1); #endif } } /* main ************************************************************************ The main program. *******************************************************************************/ int main(int argc, char **argv) { s4 i, j; void *dummy; /* local variables ********************************************************/ char logfilename[200] = ""; u4 heapmaxsize; u4 heapstartsize; char *cp; s4 cplen; bool startit = true; char *specificmethodname = NULL; char *specificsignature = NULL; bool jar = false; #if defined(USE_THREADS) && !defined(NATIVE_THREADS) stackbottom = &dummy; #endif if (atexit(exit_handler)) throw_cacao_exception_exit(string_java_lang_InternalError, "Unable to register exit_handler"); /************ Collect info from the environment ************************/ /* set the bootclasspath */ cp = getenv("BOOTCLASSPATH"); if (cp) { bootclasspath = MNEW(char, strlen(cp) + strlen("0")); strcpy(bootclasspath, cp); } else { #if !defined(WITH_EXTERNAL_CLASSPATH) cplen = strlen(CACAO_INSTALL_PREFIX) + strlen(CACAO_RT_JAR_PATH) + strlen("0"); bootclasspath = MNEW(char, cplen); strcpy(bootclasspath, CACAO_INSTALL_PREFIX); strcat(bootclasspath, CACAO_RT_JAR_PATH); #else cplen = strlen(CACAO_INSTALL_PREFIX) + strlen(CACAO_VM_ZIP_PATH) + strlen(":") + strlen(EXTERNAL_CLASSPATH_PREFIX) + strlen(CLASSPATH_GLIBJ_ZIP_PATH) + strlen("0"); bootclasspath = MNEW(char, cplen); strcpy(bootclasspath, CACAO_INSTALL_PREFIX); strcat(bootclasspath, CACAO_VM_ZIP_PATH); strcat(bootclasspath, ":"); strcat(bootclasspath, EXTERNAL_CLASSPATH_PREFIX); strcat(bootclasspath, CLASSPATH_GLIBJ_ZIP_PATH); #endif } /* 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 command line *****************/ checknull = false; opt_noieee = false; heapmaxsize = HEAP_MAXSIZE; heapstartsize = HEAP_STARTSIZE; while ((i = get_opt(argc, argv, opts)) != OPT_DONE) { switch (i) { 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: jar = true; break; case OPT_D: { for (j = 0; j < strlen(opt_arg); j++) { if (opt_arg[j] == '=') { opt_arg[j] = '\0'; create_property(opt_arg, opt_arg + j + 1); goto didit; } } /* if no '=' is given, just create an empty property */ create_property(opt_arg, ""); didit: ; } break; case OPT_MS: case OPT_MX: { char c; c = opt_arg[strlen(opt_arg) - 1]; if (c == 'k' || c == 'K') { j = 1024 * atoi(opt_arg); } else if (c == 'm' || c == 'M') { j = 1024 * 1024 * atoi(opt_arg); } else j = atoi(opt_arg); if (i == OPT_MX) heapmaxsize = j; else heapstartsize = 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) { loadverbose = true; linkverbose = 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: 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_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(STATISTICS) case OPT_STAT: opt_stat = true; break; #endif case OPT_LOG: strcpy(logfilename, 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: startit = false; makeinitializations = false; break; case OPT_EAGER: opt_eager = true; break; case OPT_METHOD: startit = false; specificmethodname = opt_arg; makeinitializations = false; break; case OPT_SIGNATURE: specificsignature = opt_arg; break; case OPT_ALL: compileall = true; startit = false; makeinitializations = false; break; case OPT_SHOW: /* Display options */ for (j = 0; j < strlen(opt_arg); j++) { switch (opt_arg[j]) { case 'a': showdisassemble = true; compileverbose = true; break; case 'c': showconstantpool = true; break; case 'd': showddatasegment = true; break; case 'i': 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 */ #ifdef INAFTERMAIN useinliningm = true; useinlining = false; #else useinlining = true; #endif break; case 'v': inlinevirtuals = true; opt_rt = true; break; case 'e': inlineexceptions = true; break; case 'p': inlineparamopt = true; break; case 'o': inlineoutsiders = true; break; default: usage(); } } break; #ifdef STATIC_ANALYSIS case OPT_RT: opt_rt = true; /* default for inlining */ break; case OPT_XTA: opt_xta = true; /* in test currently */ break; case OPT_VTA: printf("\nVTA is not yet available\n"); opt_vta = false; /***opt_vta = true; not yet **/ break; #endif #ifdef LSRA case OPT_LSRA: opt_lsra = true; break; #endif case OPT_HELP: usage(); break; case OPT_X: Xusage(); break; default: printf("Unknown option: %s\n", argv[opt_ind]); usage(); } } if (opt_ind >= argc) usage(); /* transform dots into slashes in the class name */ mainstring = argv[opt_ind++]; if (!jar) { /* do not mangle jar filename */ for (i = strlen(mainstring) - 1; i >= 0; i--) { if (mainstring[i] == '.') mainstring[i] = '/'; } } else { /* 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)); } /**************************** Program start *****************************/ log_init(logfilename); if (opt_verbose) log_text("CACAO started -------------------------------------------------------"); /* initialize JavaVM */ vm_args.version = 0x00010001; /* New in 1.1.2: VM version */ /* Get the default initialization arguments and set the class path */ JNI_GetDefaultJavaVMInitArgs(&vm_args); vm_args.minHeapSize = heapstartsize; vm_args.maxHeapSize = heapmaxsize; vm_args.classpath = classpath; /* load and initialize a Java VM, return a JNI interface pointer in env */ JNI_CreateJavaVM(&jvm, &env, &vm_args); /* initialize the garbage collector */ gc_init(heapmaxsize, heapstartsize); tables_init(); /* initialize the loader with bootclasspath */ suck_init(bootclasspath); cacao_initializing = true; #if defined(USE_THREADS) #if defined(NATIVE_THREADS) initThreadsEarly(); #endif initLocks(); #endif /* install architecture dependent signal handler used for exceptions */ signal_init(); /* initialize the codegen sub systems */ codegen_init(); /* initializes jit compiler */ jit_init(); /* machine dependent initialization */ md_init(); /* initialize some cacao subsystems */ utf8_init(); if (!loader_init((u1 *) &dummy)) 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) initThreads((u1 *) &dummy); #endif *threadrootmethod = NULL; /*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(); cacao_initializing = false; /* start worker routines **************************************************/ if (startit) { classinfo *mainclass; /* java/lang/Class */ methodinfo *m; java_objectarray *a; s4 status; /* set return value to OK */ status = 0; if (jar) { /* open jar file with java.util.jar.JarFile */ mainstring = getmainclassnamefromjar(mainstring); } /* load the main class */ if (!(mainclass = load_class_from_sysloader(utf_new_char(mainstring)))) throw_main_exception_exit(); /* error loading class, clear exceptionptr for new exception */ if (*exceptionptr || !mainclass) { /* *exceptionptr = NULL; */ /* *exceptionptr = */ /* new_exception_message(string_java_lang_NoClassDefFoundError, */ /* mainstring); */ throw_main_exception_exit(); } /* find the `main' method of the main class */ m = class_resolveclassmethod(mainclass, utf_new_char("main"), utf_new_char("([Ljava/lang/String;)V"), class_java_lang_Object, false); if (*exceptionptr) { throw_main_exception_exit(); } /* there is no main method or it isn't static */ if (!m || !(m->flags & ACC_STATIC)) { *exceptionptr = NULL; *exceptionptr = new_exception_message(string_java_lang_NoSuchMethodError, "main"); throw_main_exception_exit(); } /* build argument array */ a = builtin_anewarray(argc - opt_ind, class_java_lang_String); for (i = opt_ind; i < argc; i++) { a->data[i - opt_ind] = (java_objectheader *) javastring_new(utf_new_char(argv[i])); } #ifdef TYPEINFO_DEBUG_TEST /* test the typeinfo system */ typeinfo_test(); #endif /*class_showmethods(currentThread->group->header.vftbl->class); */ *threadrootmethod = m; /* here we go... */ asm_calljavafunction(m, a, NULL, NULL, NULL); /* exception occurred? */ if (*exceptionptr) { throw_main_exception(); status = 1; } #if defined(USE_THREADS) #if defined(NATIVE_THREADS) joinAllThreads(); #else killThread(currentThread); #endif #endif /* now exit the JavaVM */ /* (*jvm)->DestroyJavaVM(jvm); */ cacao_exit(status); } /************* If requested, compile all methods ********************/ if (compileall) { classinfo *c; methodinfo *m; u4 slot; s4 i; classcache_name_entry *nmen; classcache_class_entry *clsen; /* create all classes found in the classpath */ /* XXX currently only works with zip/jar's */ loader_load_all_classes(); /* link all classes */ for (slot = 0; slot < classcache_hash.size; slot++) { nmen = (classcache_name_entry *) classcache_hash.ptr[slot]; for (; nmen; nmen = nmen->hashlink) { /* iterate over all class entries */ for (clsen = nmen->classes; clsen; clsen = clsen->next) { c = clsen->classobj; if (!c) continue; assert(c); assert(c->loaded); /*utf_fprint_classname(stderr,c->name);fprintf(stderr,"\n");*/ if (!c->linked) if (!link_class(c)) throw_main_exception_exit(); /* compile all class methods */ for (i = 0; i < c->methodscount; i++) { m = &(c->methods[i]); if (m->jcode) { /*fprintf(stderr," compiling:");utf_fprint(stderr,m->name);fprintf(stderr,"\n");*/ (void) jit_compile(m); } } } } } } /******** If requested, compile a specific method ***************/ if (specificmethodname) { methodinfo *m; /* create, load and link the main class */ if (!(mainclass = load_class_bootstrap(utf_new_char(mainstring)))) throw_main_exception_exit(); if (!link_class(mainclass)) throw_main_exception_exit(); if (specificsignature) { m = class_resolveclassmethod(mainclass, utf_new_char(specificmethodname), utf_new_char(specificsignature), mainclass, false); } else { m = class_resolveclassmethod(mainclass, utf_new_char(specificmethodname), NULL, mainclass, false); } if (!m) { char message[MAXLOGTEXT]; sprintf(message, "%s%s", specificmethodname, specificsignature ? specificsignature : ""); *exceptionptr = new_exception_message(string_java_lang_NoSuchMethodException, message); throw_main_exception_exit(); } jit_compile(m); } cacao_shutdown(0); /* keep compiler happy */ return 0; } /* cacao_exit ****************************************************************** Calls java.lang.System.exit(I)V to exit the JavaVM correctly. *******************************************************************************/ void cacao_exit(s4 status) { methodinfo *m; assert(class_java_lang_System); assert(class_java_lang_System->loaded); 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 */ /* both inlinevirtual and outsiders not allowed on exit */ /* not sure if permanant or temp restriction */ if (inlinevirtuals) inlineoutsiders = false; 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"); } /*************************** Shutdown function ********************************* Terminates the system immediately without freeing memory explicitly (to be used only for abnormal termination) *******************************************************************************/ void cacao_shutdown(s4 status) { if (opt_verbose || getcompilingtime || opt_stat) { log_text("CACAO terminated by shutdown"); dolog("Exit status: %d\n", (s4) status); } exit(status); } /* * 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: */