/* 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
+ 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, J. Wenninger, Institut f. Computersprachen - TU Wien
This file is part of CACAO.
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.
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA.
- Contact: cacao@complang.tuwien.ac.at
+ Contact: cacao@cacaojvm.org
Authors: Reinhard Grafl
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 2067 2005-03-23 11:55:16Z twisti $
+ $Id: cacao.c 5810 2006-10-20 13:54:54Z twisti $
*/
-#include <stdlib.h>
-#include <string.h>
-
#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/loader.h"
-#include "vm/options.h"
-#include "vm/statistics.h"
-#include "vm/stringlocal.h"
-#include "vm/tables.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;
+#include <assert.h>
-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;
+#if defined(ENABLE_LIBJVM)
+# include <ltdl.h>
#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_VERBOSEGC 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
-
-
-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 },
- { "verbosegc", false, OPT_VERBOSEGC },
- { "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 },
+#if defined(WITH_JRE_LAYOUT)
+# include <errno.h>
+# include <libgen.h>
+# include <unistd.h>
#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 },
- { NULL, false, 0 }
-};
+#include <stdlib.h>
+#include <string.h>
-/******************** interne Function: print_usage ************************
-
-Prints the correct usage syntax to stdout.
+#include "vm/types.h"
-***************************************************************************/
+#include "native/jni.h"
-static void usage()
-{
- printf("Usage: cacao [options] classname [program arguments]\n\n");
-
- printf("Options:\n");
- printf(" -cp <path> specify a path to look for classes\n");
- printf(" -classpath <path> specify a path to look for classes\n");
- printf(" -jar jarfile execute a jar file\n");
- printf(" -D<name>=<value> add an entry to the property list\n");
- printf(" -Xmx<size>[kK|mM] specify the size for the heap\n");
- printf(" -Xms<size>[kK|mM] specify the initial size for the heap\n");
- printf(" -mx<size>[kK|mM] specify the size for the heap\n");
- printf(" -ms<size>[kK|mM] specify the initial size for the heap\n");
- printf(" -Xbootclasspath:<path> set search path for bootstrap classes and resources\n");
- printf(" -Xbootclasspath/a:<path> append to end of bootstrap class path\n");
- printf(" -Xbootclasspath/p:<path> prepend in front of bootstrap class path\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
- printf(" -version print product version and exit\n");
-#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(" u(tf) ......... show the utf - hash\n");
- printf(" -i n ............. activate inlining\n");
- printf(" v ............. inline virtual methods\n");
- printf(" uses/turns rt option on\n");
- printf(" e ............. inline methods with exceptions\n");
- printf(" p ............. optimize argument renaming\n");
- printf(" o ............. 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");
+#if defined(ENABLE_JVMTI)
+# include "native/jvmti/jvmti.h"
+# include "native/jvmti/cacaodbg.h"
#endif
- /* exit with error code */
+#include "vm/vm.h"
+
- exit(1);
-}
+/* forward declarations *******************************************************/
+static JavaVMInitArgs *cacao_options_prepare(int argc, char **argv);
-/* version *********************************************************************
- Only prints cacao version information and exits.
+/* main ************************************************************************
+ The main program.
+
*******************************************************************************/
-static void version()
+int main(int argc, char **argv)
{
- printf("cacao "VERSION"\n");
- exit(0);
-}
+ char *path;
+#if defined(ENABLE_LIBJVM)
+ /* Variables for JNI_CreateJavaVM dlopen call. */
+ lt_dlhandle libjvm_handle;
+ lt_ptr libjvm_createvm;
+ lt_ptr libjvm_vm_run;
-#ifdef TYPECHECK_STATISTICS
-void typecheck_print_statistics(FILE *file);
+ s4 (*JNI_CreateJavaVM)(JavaVM **, void **, void *);
+ void (*vm_run)(JavaVM *, JavaVMInitArgs *);
#endif
+ JavaVM *vm; /* denotes a Java VM */
+ JNIEnv *env;
+ JavaVMInitArgs *vm_args;
+ /* prepare the options */
-/* getmainclassfromjar ************************************************************
-
- gets the name of the main class form a jar's manifest file
-
-**********************************************************************************/
-
-char *getmainclassnamefromjar(JNIEnv *env, char *mainstring)
-{
- jclass class;
- jmethodID mid;
- jobject obj;
-
- class = (*env)->FindClass(env, "java/util/jar/JarFile");
- if (class == NULL) {
- log_text("unable to find java.util.jar.JarFile");
- throw_main_exception_exit();
- }
+ vm_args = cacao_options_prepare(argc, argv);
- mid = (*env)->GetMethodID(NULL, class, "<init>","(Ljava/lang/String;)V");
- if (mid == NULL) {
- log_text("unable to find constructor in java.util.jar.JarFile");
- cacao_exit(1);
- }
-
- /* open jarfile */
- obj = (*env)->NewObject(NULL,class,mid,((*env)->NewStringUTF(NULL,(char*)mainstring)));
- if ((*env)->ExceptionOccurred(NULL) != NULL) {
- (*env)->ExceptionDescribe(NULL);
- cacao_exit(1);
- }
-
- mid = (*env)->GetMethodID(NULL, class, "getManifest","()Ljava/util/jar/Manifest;");
- if (mid == NULL) {
- log_text("unable to find getMainfest method");
- cacao_exit(1);
- }
-
- /* get manifest object */
- obj = (*env)->CallObjectMethod(NULL,obj,mid);
- if ((*env)->ExceptionOccurred(NULL) != NULL) {
- (*env)->ExceptionDescribe(NULL);
- cacao_exit(1);
- }
-
- mid = (*env)->GetMethodID(NULL, (jclass)((java_objectheader*) obj)->vftbl->class, "getMainAttributes","()Ljava/util/jar/Attributes;");
- if (mid == NULL) {
- log_text("unable to find getMainAttributes method");
- cacao_exit(1);
- }
-
- /* get Main Attributes */
- obj = (*env)->CallObjectMethod(NULL,obj,mid);
- if ((*env)->ExceptionOccurred(NULL) != NULL) {
- (*env)->ExceptionDescribe(NULL);
- cacao_exit(1);
- }
-
-
- mid = (*env)->GetMethodID(NULL, (jclass)((java_objectheader*) obj)->vftbl->class, "getValue","(Ljava/lang/String;)Ljava/lang/String;");
- if (mid == NULL) {
- log_text("unable to find getValue method");
- cacao_exit(1);
- }
-
- /* get property Main-Class */
- obj = (*env)->CallObjectMethod(NULL,obj,mid,(*env)->NewStringUTF(NULL,"Main-Class"));
- if ((*env)->ExceptionOccurred(NULL) != NULL) {
- (*env)->ExceptionDescribe(NULL);
- cacao_exit(1);
- }
-
- return javastring_tochar((java_objectheader *) obj);
-}
-
-
-/*
- * 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));
+ /* load and initialize a Java VM, return a JNI interface pointer in env */
- if (opt_verbose || getcompilingtime || opt_stat) {
- log_text("CACAO terminated");
+#if !defined(WITH_STATIC_CLASSPATH) && defined(ENABLE_LIBJVM)
+# if defined(WITH_JRE_LAYOUT)
+ /* SUN also uses a buffer of 4096-bytes (strace is your friend). */
-#if defined(STATISTICS)
- if (opt_stat) {
- print_stats();
-#ifdef TYPECHECK_STATISTICS
- typecheck_print_statistics(get_logfile());
-#endif
- }
+ path = malloc(sizeof(char) * 4096);
- if (getcompilingtime)
- print_times();
- mem_usagelog(1);
-#endif
+ if (readlink("/proc/self/exe", path, 4095) == -1) {
+ fprintf(stderr, "readlink failed: %s\n", strerror(errno));
+ abort();
}
-}
-
-
-/************************** Function: main *******************************
-
- The main program.
-
-**************************************************************************/
-
-int main(int argc, char **argv)
-{
- s4 i, j;
- void *dummy;
-
- /********** interne (nur fuer main relevante Optionen) **************/
-
- 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");
+ /* get the path of the current executable */
- /************ Collect info from the environment ************************/
+ path = dirname(path);
- /* set the bootclasspath */
-
- cp = getenv("BOOTCLASSPATH");
- if (cp) {
- bootclasspath = MNEW(char, strlen(cp) + 1);
- strcpy(bootclasspath, cp);
-
- } else {
-#if !defined(WITH_EXTERNAL_CLASSPATH)
- cplen = strlen(CACAO_INSTALL_PREFIX) + strlen(CACAO_RT_JAR_PATH);
-
- bootclasspath = MNEW(char, cplen + 1);
- strcpy(bootclasspath, CACAO_INSTALL_PREFIX);
- strcat(bootclasspath, CACAO_RT_JAR_PATH);
-#else
- cplen = strlen(CACAO_INSTALL_PREFIX) + strlen(CACAO_VM_ZIP_PATH) +
- strlen(EXTERNAL_CLASSPATH_PREFIX) + strlen(CLASSPATH_GLIBJ_ZIP_PATH);
-
- bootclasspath = MNEW(char, cplen + 1 + 1);
- 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
+ if ((strlen(path) + strlen("/../lib/libjvm") + strlen("0")) > 4096) {
+ fprintf(stderr, "libjvm name to long for buffer\n");
+ abort();
}
+ /* concatinate the library name */
- /* set the classpath */
-
- cp = getenv("CLASSPATH");
- if (cp) {
- classpath = MNEW(char, strlen(cp) + 1);
- strcat(classpath, cp);
+ strcat(path, "/../lib/libjvm");
+# else
+ path = CACAO_LIBDIR"/libjvm";
+# endif
- } else {
- classpath = MNEW(char, 2);
- strcpy(classpath, ".");
+ if (lt_dlinit()) {
+ fprintf(stderr, "lt_dlinit failed: %s\n", lt_dlerror());
+ abort();
}
+ /* First try to open where dlopen searches, e.g. LD_LIBRARY_PATH.
+ If not found, try the absolute path. */
- /***************** 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) + 1);
- strcpy(bootclasspath, opt_arg);
- break;
-
- case OPT_BOOTCLASSPATH_A:
- /* append to end of bootclasspath */
- cplen = strlen(bootclasspath);
-
- bootclasspath = MREALLOC(bootclasspath,
- char,
- cplen,
- cplen + 1 + strlen(opt_arg) + 1);
-
- 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) + 1 + cplen + 1);
-
- 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) + 1);
- 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_VERBOSEEXCEPTION:
- verboseexception = true;
- break;
-
- case OPT_VERBOSEGC:
- collectverbose = true;
- break;
-
-#ifdef TYPECHECK_VERBOSE
- case OPT_VERBOSETC:
- typecheckverbose = true;
- break;
-#endif
-
- case OPT_VERBOSECALL:
- runverbose = true;
- break;
-
- case OPT_VERSION:
- 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 '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:
-#if defined(__I386__) || defined(__ALPHA__) || defined (__X86_64__) || defined(__POWERPC__)
- opt_lsra = true;
-#else
- printf("LSRA not available for this architecture\n");
- opt_lsra = false;
-#endif
- break;
-#endif
-
- default:
- printf("Unknown option: %s\n", argv[opt_ind]);
- usage();
+ if (!(libjvm_handle = lt_dlopenext("libjvm"))) {
+ if (!(libjvm_handle = lt_dlopenext(path))) {
+ fprintf(stderr, "lt_dlopenext failed: %s\n", lt_dlerror());
+ abort();
}
}
- 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) + 1 + strlen(classpath) + 1);
- strcpy(classpath, mainstring);
- strcat(classpath, ":");
- strcat(classpath, cp);
-
- MFREE(cp, char, strlen(cp));
+ if (!(libjvm_createvm = lt_dlsym(libjvm_handle, "JNI_CreateJavaVM"))) {
+ fprintf(stderr, "lt_dlsym failed: %s\n", lt_dlerror());
+ abort();
}
- /**************************** 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();
+ JNI_CreateJavaVM =
+ (s4 (*)(JavaVM **, void **, void *)) (ptrint) libjvm_createvm;
#endif
- initLocks();
-#endif
-
- /* install architecture dependent signal handler used for exceptions */
- init_exceptions();
-
- /* initializes jit compiler and codegen stuff */
- jit_init();
- /* initialize some cacao subsystems */
+ /* create the Java VM */
- utf8_init();
- class_init_foo();
- loader_init((u1 *) &dummy);
+ JNI_CreateJavaVM(&vm, (void *) &env, vm_args);
- if (!native_init())
- throw_main_exception_exit();
-
- if (!exceptions_init())
- throw_main_exception_exit();
-
-#if defined(USE_THREADS)
- initThreads((u1 *) &dummy);
+#if defined(ENABLE_JVMTI)
+ pthread_mutex_init(&dbgcomlock,NULL);
+ if (jvmti) jvmti_set_phase(JVMTI_PHASE_START);
#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 (!class_init(class_java_lang_System))
- throw_main_exception_exit();
-
- cacao_initializing = false;
-
-
- /* start worker routines **************************************************/
-
- if (startit) {
- classinfo *cl; /* java/lang/ClassLoader */
- 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((JNIEnv *) &env, mainstring);
- }
-
- /* get system classloader */
-
- m = class_resolveclassmethod(class_java_lang_ClassLoader,
- utf_new_char("getSystemClassLoader"),
- utf_new_char("()Ljava/lang/ClassLoader;"),
- class_java_lang_Object,
- false);
-
- cl = (classinfo *) asm_calljavafunction(m, NULL, NULL, NULL, NULL);
-
- /* get `loadClass' method */
-
- m = class_resolveclassmethod(cl->header.vftbl->class,
- utf_loadClass,
- utf_java_lang_String__java_lang_Class,
- class_java_lang_Object,
- false);
-
- /* load the main class */
-
- mainclass =
- (classinfo *) asm_calljavafunction(m,
- cl,
- javastring_new_char(mainstring),
- NULL,
- NULL);
-
- /* 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);
-
- /* there is no main method or it isn't static */
-
- if (*exceptionptr || !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;
-
- /* create all classes found in the classpath */
- /* XXX currently only works with zip/jar's */
- create_all_classes();
-
- /* load and link all classes */
- for (slot = 0; slot < class_hash.size; slot++) {
- c = class_hash.ptr[slot];
-
- while (c) {
- if (!c->loaded)
- if (!class_load(c))
- throw_main_exception_exit();
-
- if (!c->linked)
- if (!class_link(c))
- throw_main_exception_exit();
-
- /* compile all class methods */
- for (i = 0; i < c->methodscount; i++) {
- m = &(c->methods[i]);
- if (m->jcode) {
- (void) jit_compile(m);
- }
- }
-
- c = c->hashlink;
- }
- }
+#if !defined(WITH_STATIC_CLASSPATH) && defined(ENABLE_LIBJVM)
+ if (!(libjvm_vm_run = lt_dlsym(libjvm_handle, "vm_run"))) {
+ fprintf(stderr, "lt_dlsym failed: %s\n", lt_dlerror());
+ abort();
}
+ vm_run = (void (*)(JavaVM *, JavaVMInitArgs *)) (ptrint) libjvm_vm_run;
+#endif
- /******** If requested, compile a specific method ***************/
-
- if (specificmethodname) {
- methodinfo *m;
-
- /* create, load and link the main class */
- mainclass = class_new(utf_new_char(mainstring));
-
- if (!class_load(mainclass))
- throw_main_exception_exit();
-
- if (!class_link(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);
- }
+ /* run the VM */
- 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);
+ vm_run(vm, vm_args);
/* keep compiler happy */
}
-/* cacao_exit ******************************************************************
+/* cacao_options_prepare *******************************************************
- Calls java.lang.Runtime.exit(I)V to exit the JavaVM correctly.
+ Prepare the JavaVMInitArgs.
*******************************************************************************/
-void cacao_exit(s4 status)
+static JavaVMInitArgs *cacao_options_prepare(int argc, char **argv)
{
- classinfo *c;
- methodinfo *m;
-
- /* class should already be loaded, but who knows... */
-
- c = class_new(utf_new_char("java/lang/System"));
-
- if (!class_load(c))
- throw_main_exception_exit();
-
- if (!class_link(c))
- throw_main_exception_exit();
-
- /* call System.exit(I)V */
-
- m = class_resolveclassmethod(c,
- utf_new_char("exit"),
- utf_new_char("(I)V"),
- class_java_lang_Object,
- true);
-
- if (!m)
- throw_main_exception_exit();
+ JavaVMInitArgs *vm_args;
+ s4 i;
- /* call the exit function with passed exit status */
+ vm_args = malloc(sizeof(JavaVMInitArgs));
- /* both inlinevirtual and outsiders not allowed on exit */
- /* not sure if permanant or temp restriction */
- if (inlinevirtuals) inlineoutsiders = false;
+ vm_args->version = JNI_VERSION_1_2;
+ vm_args->nOptions = argc - 1;
+ vm_args->options = malloc(sizeof(JavaVMOption) * argc);
+ vm_args->ignoreUnrecognized = JNI_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);
- }
+ for (i = 1; i < argc; i++)
+ vm_args->options[i - 1].optionString = argv[i];
- exit(status);
+ return vm_args;
}