* m4/jre-layout.m4 (AC_CHECK_WITH_JRE_LAYOUT): Renamed to
[cacao.git] / src / vm / vm.c
index 66ed3f4d80c4e972c4b2625f6cabbeaf473311b0..ea79bcc71946caef7fadd6fa1f59dd49e9eb0432 100644 (file)
@@ -1,9 +1,7 @@
 /* src/vm/vm.c - VM startup and shutdown functions
 
-   Copyright (C) 1996-2005, 2006, 2007 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, 2007, 2008
+   CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
 
    This file is part of CACAO.
 
 
 #include "vm/jit/abi-asm.h"
 
+#include "mm/codememory.h"
 #include "mm/gc-common.h"
 #include "mm/memory.h"
 
 #include "native/jni.h"
 #include "native/llni.h"
+#include "native/localref.h"
 #include "native/native.h"
 
 #include "native/include/java_lang_Object.h"             /* required by j.l.C */
 
 #include "native/vm/nativevm.h"
 
-#include "threads/threads-common.h"
+#include "threads/lock-common.h"
+#include "threads/mutex.h"
+#include "threads/threadlist.h"
+#include "threads/thread.h"
 
 #include "toolbox/logging.h"
 
+#include "vm/array.h"
+
+#if defined(ENABLE_ASSERTION)
+#include "vm/assertion.h"
+#endif
+
 #include "vm/builtin.h"
 #include "vm/exceptions.h"
 #include "vm/finalizer.h"
 #include "vm/global.h"
 #include "vm/initialize.h"
+#include "vm/package.h"
 #include "vm/primitive.h"
 #include "vm/properties.h"
 #include "vm/signallocal.h"
 #include "vm/stringlocal.h"
 #include "vm/vm.h"
 
-#include "vm/jit/jit.h"
-#include "vm/jit/md.h"
+#include "vm/jit/argument.h"
 #include "vm/jit/asmpart.h"
+#include "vm/jit/code.h"
+
+#if defined(ENABLE_DISASSEMBLER)
+# include "vm/jit/disass.h"
+#endif
+
+#include "vm/jit/jit.h"
+#include "vm/jit/methodtree.h"
 
 #if defined(ENABLE_PROFILING)
 # include "vm/jit/optimizing/profile.h"
 
 #include "vm/jit/optimizing/recompile.h"
 
+#if defined(ENABLE_PYTHON)
+# include "vm/jit/python.h"
+#endif
+
+#include "vm/jit/trap.h"
+
 #include "vmcore/classcache.h"
 #include "vmcore/options.h"
 #include "vmcore/statistics.h"
 #include "vmcore/suck.h"
+#include "vmcore/system.h"
 
 #if defined(ENABLE_JVMTI)
 # include "native/jvmti/cacaodbg.h"
@@ -108,7 +132,8 @@ _Jv_JNIEnv *_Jv_env;                    /* pointer to native method interface */
 s4 vms = 0;                             /* number of VMs created              */
 
 bool vm_initializing = false;
-bool vm_exiting = false;
+bool vm_created      = false;
+bool vm_exiting      = false;
 
 char      *mainstring = NULL;
 classinfo *mainclass = NULL;
@@ -122,7 +147,7 @@ u1 *intrp_main_stack = NULL;
 
 #define HEAP_MAXSIZE      128 * 1024 * 1024 /* default 128MB                  */
 #define HEAP_STARTSIZE      2 * 1024 * 1024 /* default 2MB                    */
-#define STACK_SIZE                64 * 1024 /* default 64kB                   */
+#define STACK_SIZE               128 * 1024 /* default 64kB                   */
 
 
 /* define command line options ************************************************/
@@ -152,6 +177,9 @@ enum {
 
        OPT_EA,
        OPT_DA,
+       OPT_EA_NOARG,
+       OPT_DA_NOARG,
+    
 
        OPT_ESA,
        OPT_DSA,
@@ -218,19 +246,6 @@ enum {
        OPT_LSRA,
 #endif
 
-#if defined(ENABLE_INLINING)
-       OPT_INLINING,
-#if !defined(NDEBUG)
-       OPT_INLINE_LOG,
-#endif
-#if defined(ENABLE_INLINING_DEBUG)
-       OPT_INLINE_DEBUG_ALL,
-       OPT_INLINE_DEBUG_END,
-       OPT_INLINE_DEBUG_MIN,
-       OPT_INLINE_DEBUG_MAX,
-#endif /* defined(ENABLE_INLINING_DEBUG) */
-#endif /* defined(ENABLE_INLINING) */
-
 #if defined(ENABLE_INTRP)
        /* interpreter options */
 
@@ -288,8 +303,13 @@ opt_struct opts[] = {
 
        { "ea:",               true,  OPT_EA },
        { "da:",               true,  OPT_DA },
-       { "ea",                false, OPT_EA },
-       { "da",                false, OPT_DA },
+       { "ea",                false, OPT_EA_NOARG },
+       { "da",                false, OPT_DA_NOARG },
+
+       { "enableassertions:",  true,  OPT_EA },
+       { "disableassertions:", true,  OPT_DA },
+       { "enableassertions",   false, OPT_EA_NOARG },
+       { "disableassertions",  false, OPT_DA_NOARG },
 
        { "esa",                     false, OPT_ESA },
        { "enablesystemassertions",  false, OPT_ESA },
@@ -329,9 +349,12 @@ opt_struct opts[] = {
 #if defined(ENABLE_IFCONV)
        { "ifconv",            false, OPT_IFCONV },
 #endif
-#if defined(ENABLE_LSRA) || defined(ENABLE_SSA)
+#if defined(ENABLE_LSRA)
        { "lsra",              false, OPT_LSRA },
 #endif
+#if  defined(ENABLE_SSA)
+       { "lsra",              true, OPT_LSRA },
+#endif
 
 #if defined(ENABLE_INTRP)
        /* interpreter options */
@@ -376,21 +399,6 @@ opt_struct opts[] = {
        { "Xprof",             false, OPT_PROF },
 #endif
 
-       /* inlining options */
-
-#if defined(ENABLE_INLINING)
-#if defined(ENABLE_INLINING_DEBUG)
-       { "ia",                false, OPT_INLINE_DEBUG_ALL },
-       { "ii",                true,  OPT_INLINE_DEBUG_MIN },
-       { "im",                true,  OPT_INLINE_DEBUG_MAX },
-       { "ie",                true,  OPT_INLINE_DEBUG_END },
-#endif /* defined(ENABLE_INLINING_DEBUG) */
-#if !defined(NDEBUG)
-       { "il",                false, OPT_INLINE_LOG },
-#endif
-       { "i",                 false, OPT_INLINING },
-#endif /* defined(ENABLE_INLINING) */
-
        /* keep these at the end of the list */
 
 #if !defined(NDEBUG)
@@ -508,8 +516,7 @@ static void XXusage(void)
 {
        puts("    -v                       write state-information");
 #if !defined(NDEBUG)
-       puts("    -verbose[:jit|threads]");
-       puts("                             enable specific verbose output");
+       puts("    -verbose:jit             enable specific verbose output");
        puts("    -debug-color             colored output for ANSI terms");
 #endif
 #ifdef TYPECHECK_VERBOSE
@@ -549,19 +556,6 @@ static void XXusage(void)
 #endif
        puts("      (d)atasegment          data segment listing");
 
-#if defined(ENABLE_INLINING)
-       puts("    -i                       activate inlining");
-#if !defined(NDEBUG)
-       puts("    -il                      log inlining");
-#endif
-#if defined(ENABLE_INLINING_DEBUG)
-       puts("    -ia                      use inlining for all methods");
-       puts("    -ii <size>               set minimum size for inlined result");
-       puts("    -im <size>               set maximum size for inlined result");
-       puts("    -ie <number>             stop inlining after the given number of roots");
-#endif /* defined(ENABLE_INLINING_DEBUG) */
-#endif /* defined(ENABLE_INLINING) */
-
 #if defined(ENABLE_IFCONV)
        puts("    -ifconv                  use if-conversion");
 #endif
@@ -569,7 +563,9 @@ static void XXusage(void)
        puts("    -lsra                    use linear scan register allocation");
 #endif
 #if defined(ENABLE_SSA)
-       puts("    -lsra                    use linear scan register allocation (with SSA)");
+       puts("    -lsra:...                use linear scan register allocation (with SSA)");
+       puts("       (d)ead code elimination");
+       puts("       (c)opy propagation");
 #endif
 #if defined(ENABLE_DEBUG_FILTER)
        puts("    -XXfi <regex>            begin of dynamic scope for verbosecall filter");
@@ -592,22 +588,12 @@ static void XXusage(void)
 static void version(bool opt_exit)
 {
        puts("java version \""JAVA_VERSION"\"");
-       puts("CACAO version "VERSION"");
-
-       puts("Copyright (C) 1996-2005, 2006, 2007 R. Grafl, A. Krall, C. Kruegel,");
-       puts("C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,");
-       puts("E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,");
-       puts("J. Wenninger, Institut f. Computersprachen - TU Wien\n");
+       puts("CACAO version "VERSION"\n");
 
-       puts("This program is free software; you can redistribute it and/or");
-       puts("modify it under the terms of the GNU General Public License as");
-       puts("published by the Free Software Foundation; either version 2, or (at");
-       puts("your option) any later version.\n");
-
-       puts("This program is distributed in the hope that it will be useful, but");
-       puts("WITHOUT ANY WARRANTY; without even the implied warranty of");
-       puts("MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU");
-       puts("General Public License for more details.");
+       puts("Copyright (C) 1996-2005, 2006, 2007, 2008");
+       puts("CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO");
+       puts("This is free software; see the source for copying conditions.  There is NO");
+       puts("warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.");
 
        /* exit normally, if requested */
 
@@ -633,7 +619,7 @@ static void fullversion(void)
 }
 
 
-void vm_printconfig(void)
+static void vm_printconfig(void)
 {
        puts("Configure/Build options:\n");
        puts("  ./configure: "VERSION_CONFIGURE_ARGS"");
@@ -649,7 +635,7 @@ void vm_printconfig(void)
        printf("  initial heap size              : %d\n", HEAP_STARTSIZE);
        printf("  stack size                     : %d\n", STACK_SIZE);
 
-#if defined(WITH_JRE_LAYOUT)
+#if defined(ENABLE_JRE_LAYOUT)
        /* When we're building with JRE-layout, the default paths are the
           same as the runtime paths. */
 #else
@@ -735,16 +721,6 @@ bool vm_createjvm(JavaVM **p_vm, void **p_env, void *vm_args)
        if (!vm_create(_vm_args))
                goto error;
 
-#if defined(ENABLE_JNI)
-       /* setup the local ref table (must be created after vm_create) */
-
-       /* XXX this one will never get freed for the main thread;
-          call localref_table_destroy() if you want to do it! */
-
-       if (!localref_table_init())
-               goto error;
-#endif
-
        /* now return the values */
 
        *p_vm  = (JavaVM *) vm;
@@ -786,10 +762,6 @@ bool vm_create(JavaVMInitArgs *vm_args)
        jdwp = agentbypath = false;
 #endif
 
-#if defined(ENABLE_VMLOG)
-       vmlog_cacao_init(vm_args);
-#endif
-
 #if defined(ENABLE_JNI)
        /* Check the JNI version requested. */
 
@@ -825,8 +797,16 @@ bool vm_create(JavaVMInitArgs *vm_args)
 
        /* First of all, parse the -XX options. */
 
+#if defined(ENABLE_VMLOG)
+       vmlog_cacao_init_options();
+#endif
+
        options_xx(vm_args);
 
+#if defined(ENABLE_VMLOG)
+       vmlog_cacao_init();
+#endif
+
        /* We need to check if the actual size of a java.lang.Class object
           is smaller or equal than the assumption made in
           src/vmcore/class.h. */
@@ -1071,9 +1051,6 @@ bool vm_create(JavaVMInitArgs *vm_args)
                                initverbose = true;
                                compileverbose = true;
                        }
-                       else if (strcmp("threads", opt_arg) == 0) {
-                               opt_verbosethreads = true;
-                       }
 #endif
                        else {
                                printf("Unknown -verbose option: %s\n", opt_arg);
@@ -1214,41 +1191,37 @@ bool vm_create(JavaVMInitArgs *vm_args)
                        break;
 #endif
 
-#if defined(ENABLE_INLINING)
-#if defined(ENABLE_INLINING_DEBUG)
-               case OPT_INLINE_DEBUG_ALL:
-                       opt_inline_debug_all = true;
-                       break;
-               case OPT_INLINE_DEBUG_END:
-                       opt_inline_debug_end_counter = atoi(opt_arg);
-                       break;
-               case OPT_INLINE_DEBUG_MIN:
-                       opt_inline_debug_min_size = atoi(opt_arg);
-                       break;
-               case OPT_INLINE_DEBUG_MAX:
-                       opt_inline_debug_max_size = atoi(opt_arg);
-                       break;
-#endif /* defined(ENABLE_INLINING_DEBUG) */
-#if !defined(NDEBUG)
-               case OPT_INLINE_LOG:
-                       opt_inline_debug_log = true;
-                       break;
-#endif /* !defined(NDEBUG) */
-
-               case OPT_INLINING:
-                       opt_inlining = true;
-                       break;
-#endif /* defined(ENABLE_INLINING) */
-
 #if defined(ENABLE_IFCONV)
                case OPT_IFCONV:
                        opt_ifconv = true;
                        break;
 #endif
 
-#if defined(ENABLE_LSRA) || defined(ENABLE_SSA)
+#if defined(ENABLE_LSRA)
+               case OPT_LSRA:
+                       opt_lsra = true;
+                       break;
+#endif
+#if  defined(ENABLE_SSA)
                case OPT_LSRA:
                        opt_lsra = true;
+                       for (i = 0; i < strlen(opt_arg); i++) {         
+                               switch (opt_arg[i]) {
+                               case 'c':
+                                       opt_ssa_cp = true;
+                                       break;
+
+                               case 'd':
+                                       opt_ssa_dce = true;
+                                       break;
+
+                               case ':':
+                                       break;
+
+                               default:
+                                       usage();
+                               }
+                       }
                        break;
 #endif
 
@@ -1265,19 +1238,39 @@ bool vm_create(JavaVMInitArgs *vm_args)
                        break;
 
                case OPT_EA:
-                       /* currently ignored */
+#if defined(ENABLE_ASSERTION)
+                       assertion_ea_da(opt_arg, true);
+#endif
                        break;
 
                case OPT_DA:
-                       /* currently ignored */
+#if defined(ENABLE_ASSERTION)
+                       assertion_ea_da(opt_arg, false);
+#endif
+                       break;
+
+               case OPT_EA_NOARG:
+#if defined(ENABLE_ASSERTION)
+                       assertion_user_enabled = true;
+#endif
+                       break;
+
+               case OPT_DA_NOARG:
+#if defined(ENABLE_ASSERTION)
+                       assertion_user_enabled = false;
+#endif
                        break;
 
                case OPT_ESA:
-                       _Jv_jvm->Java_java_lang_VMClassLoader_defaultAssertionStatus = true;
+#if defined(ENABLE_ASSERTION)
+                       assertion_system_enabled = true;
+#endif
                        break;
 
                case OPT_DSA:
-                       _Jv_jvm->Java_java_lang_VMClassLoader_defaultAssertionStatus = false;
+#if defined(ENABLE_ASSERTION)
+                       assertion_system_enabled = false;
+#endif
                        break;
 
 #if defined(ENABLE_PROFILING)
@@ -1422,10 +1415,16 @@ bool vm_create(JavaVMInitArgs *vm_args)
        gc_init(opt_heapmaxsize, opt_heapstartsize);
 
 #if defined(ENABLE_THREADS)
+       /* BEFORE: threads_preinit */
+
+       threadlist_init();
+
        /* AFTER: gc_init (directly after, as this initializes the
           stopworldlock lock */
 
        threads_preinit();
+       lock_init();
+       critical_init();
 #endif
 
        /* install architecture dependent signal handlers */
@@ -1449,8 +1448,7 @@ bool vm_create(JavaVMInitArgs *vm_args)
 
        /* AFTER: threads_preinit */
 
-       if (!utf8_init())
-               vm_abort("vm_create: utf8_init failed");
+       utf8_init();
 
        /* AFTER: thread_preinit */
 
@@ -1478,11 +1476,10 @@ bool vm_create(JavaVMInitArgs *vm_args)
        if (!classcache_init())
                vm_abort("vm_create: classcache_init failed");
 
-       /* initialize the memory subsystem (must be done _after_
-          threads_preinit) */
+       /* Initialize the code memory management. */
+       /* AFTER: threads_preinit */
 
-       if (!memory_init())
-               vm_abort("vm_create: memory_init failed");
+       codememory_init();
 
        /* initialize the finalizer stuff (must be done _after_
           threads_preinit) */
@@ -1490,27 +1487,20 @@ bool vm_create(JavaVMInitArgs *vm_args)
        if (!finalizer_init())
                vm_abort("vm_create: finalizer_init failed");
 
-       /* initialize the codegen subsystems */
-
-       codegen_init();
-
-       /* initializes jit compiler */
+       /* Initialize the JIT compiler. */
 
        jit_init();
+       code_init();
+       methodtree_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();
+#if defined(ENABLE_PYTHON)
+       pythonpass_init();
 #endif
 
+       /* BEFORE: loader_preinit */
+
+       package_init();
+
        /* AFTER: utf8_init, classcache_init */
 
        loader_preinit();
@@ -1526,9 +1516,11 @@ bool vm_create(JavaVMInitArgs *vm_args)
        /* AFTER: loader_init, linker_init */
 
        primitive_postinit();
+       method_init();
 
-       if (!exceptions_init())
-               vm_abort("vm_create: exceptions_init failed");
+#if defined(ENABLE_JIT)
+       trap_init();
+#endif
 
        if (!builtin_init())
                vm_abort("vm_create: builtin_init failed");
@@ -1542,8 +1534,7 @@ bool vm_create(JavaVMInitArgs *vm_args)
        /* Register the native methods implemented in the VM. */
        /* BEFORE: threads_init */
 
-       if (!nativevm_preinit())
-               vm_abort("vm_create: nativevm_preinit failed");
+       nativevm_preinit();
 
 #if defined(ENABLE_JNI)
        /* Initialize the JNI subsystem (must be done _before_
@@ -1554,16 +1545,27 @@ bool vm_create(JavaVMInitArgs *vm_args)
                vm_abort("vm_create: jni_init failed");
 #endif
 
+#if defined(ENABLE_JNI) || defined(ENABLE_HANDLES)
+       /* Initialize the local reference table for the main thread. */
+       /* BEFORE: threads_init */
+
+       if (!localref_table_init())
+               vm_abort("vm_create: localref_table_init failed");
+#endif
+
+       /* Iinitialize some important system classes. */
+       /* BEFORE: threads_init */
+
+       initialize_init();
+
 #if defined(ENABLE_THREADS)
-       if (!threads_init())
-               vm_abort("vm_create: threads_init failed");
+       threads_init();
 #endif
 
        /* Initialize the native VM subsystem. */
        /* AFTER: threads_init (at least for SUN's classes) */
 
-       if (!nativevm_init())
-               vm_abort("vm_create: nativevm_init failed");
+       nativevm_init();
 
 #if defined(ENABLE_PROFILING)
        /* initialize profiling */
@@ -1626,14 +1628,21 @@ bool vm_create(JavaVMInitArgs *vm_args)
        }
 #endif
 
-       /* increment the number of VMs */
+       /* Increment the number of VMs. */
 
        vms++;
 
-       /* initialization is done */
+       /* Initialization is done, VM is created.. */
 
+       vm_created      = true;
        vm_initializing = false;
 
+       /* Print the VM configuration after all stuff is set and the VM is
+          initialized. */
+
+       if (opt_PrintConfig)
+               vm_printconfig();
+
        /* everything's ok */
 
        return true;
@@ -1656,8 +1665,12 @@ void vm_run(JavaVM *vm, JavaVMInitArgs *vm_args)
        s4                         oalength;
        utf                       *u;
        java_handle_t             *s;
-       s4                         status;
-       s4                         i;
+       int                        status;
+       int                        i;
+
+#if defined(ENABLE_THREADS)
+       threadobject              *t;
+#endif
 
 #if !defined(NDEBUG)
        if (compileall) {
@@ -1749,7 +1762,7 @@ void vm_run(JavaVM *vm, JavaVMInitArgs *vm_args)
                u = utf_new_char(vm_args->options[opt_index + i].optionString);
                s = javastring_new(u);
 
-               LLNI_objectarray_element_set(oa, i, s);
+               array_objectarray_element_set(oa, i, s);
        }
 
 #ifdef TYPEINFO_DEBUG_TEST
@@ -1783,11 +1796,21 @@ void vm_run(JavaVM *vm, JavaVMInitArgs *vm_args)
                status = 1;
        }
 
-       /* unload the JavaVM */
+#if defined(ENABLE_THREADS)
+    /* Detach the main thread so that it appears to have ended when
+          the application's main method exits. */
+
+       t = thread_get_current();
+
+       if (!threads_detach_thread(t))
+               vm_abort("vm_run: Could not detach main thread.");
+#endif
+
+       /* Destroy the JavaVM. */
 
        (void) vm_destroy(vm);
 
-       /* and exit */
+       /* And exit. */
 
        vm_exit(status);
 }
@@ -1799,13 +1822,30 @@ void vm_run(JavaVM *vm, JavaVMInitArgs *vm_args)
 
 *******************************************************************************/
 
-s4 vm_destroy(JavaVM *vm)
+int vm_destroy(JavaVM *vm)
 {
 #if defined(ENABLE_THREADS)
+       /* Create a a trivial new Java waiter thread called
+          "DestroyJavaVM". */
+
+       JavaVMAttachArgs args;
+
+       args.name  = "DestroyJavaVM";
+       args.group = NULL;
+
+       if (!threads_attach_current_thread(&args, false))
+               return 1;
+
+       /* Wait until we are the last non-daemon thread. */
+
        threads_join_all_threads();
 #endif
 
-       /* everything's ok */
+       /* VM is gone. */
+
+       vm_created = false;
+
+       /* Everything is ok. */
 
        return 0;
 }
@@ -1887,9 +1927,9 @@ void vm_shutdown(s4 status)
 #if defined(ENABLE_JVMTI)
        /* terminate cacaodbgserver */
        if (dbgcom!=NULL) {
-               pthread_mutex_lock(&dbgcomlock);
+               mutex_lock(&dbgcomlock);
                dbgcom->running=1;
-               pthread_mutex_unlock(&dbgcomlock);
+               mutex_unlock(&dbgcomlock);
                jvmti_cacaodbgserver_quit();
        }       
 #endif
@@ -1963,13 +2003,104 @@ void vm_exit_handler(void)
 
    Prints an error message and aborts the VM.
 
+   IN:
+       text ... error message to print
+
 *******************************************************************************/
 
 void vm_abort(const char *text, ...)
 {
        va_list ap;
 
-       /* print the log message */
+       /* Print the log message. */
+
+       log_start();
+
+       va_start(ap, text);
+       log_vprint(text, ap);
+       va_end(ap);
+
+       log_finish();
+
+       /* Now abort the VM. */
+
+       system_abort();
+}
+
+
+/* vm_abort_errnum *************************************************************
+
+   Prints an error message, appends ":" plus the strerror-message of
+   errnum and aborts the VM.
+
+   IN:
+       errnum ... error number
+       text ..... error message to print
+
+*******************************************************************************/
+
+void vm_abort_errnum(int errnum, const char *text, ...)
+{
+       va_list ap;
+
+       /* Print the log message. */
+
+       log_start();
+
+       va_start(ap, text);
+       log_vprint(text, ap);
+       va_end(ap);
+
+       /* Print the strerror-message of errnum. */
+
+       log_print(": %s", system_strerror(errnum));
+
+       log_finish();
+
+       /* Now abort the VM. */
+
+       system_abort();
+}
+
+
+/* vm_abort_errno **************************************************************
+
+   Equal to vm_abort_errnum, but uses errno to get the error number.
+
+   IN:
+       text ... error message to print
+
+*******************************************************************************/
+
+void vm_abort_errno(const char *text, ...)
+{
+       va_list ap;
+
+       va_start(ap, text);
+       vm_abort_errnum(errno, text, ap);
+       va_end(ap);
+}
+
+
+/* vm_abort_disassemble ********************************************************
+
+   Prints an error message, disassemble the given code range (if
+   enabled) and aborts the VM.
+
+   IN:
+       pc.......PC to disassemble
+          count....number of instructions to disassemble
+
+*******************************************************************************/
+
+void vm_abort_disassemble(void *pc, int count, const char *text, ...)
+{
+       va_list ap;
+#if defined(ENABLE_DISASSEMBLER)
+       int     i;
+#endif
+
+       /* Print debug message. */
 
        log_start();
 
@@ -1979,9 +2110,24 @@ void vm_abort(const char *text, ...)
 
        log_finish();
 
-       /* now abort the VM */
+       /* Print the PC. */
+
+#if SIZEOF_VOID_P == 8
+       log_println("PC=0x%016lx", pc);
+#else
+       log_println("PC=0x%08x", pc);
+#endif
+
+#if defined(ENABLE_DISASSEMBLER)
+       log_println("machine instructions at PC:");
+
+       /* Disassemble the given number of instructions. */
 
-       abort();
+       for (i = 0; i < count; i++)
+               pc = disassinstr(pc);
+#endif
+
+       vm_abort("Aborting...");
 }
 
 
@@ -2098,7 +2244,8 @@ static char *vm_get_mainclass_from_jar(char *mainstring)
        o = vm_call_method(m, o, s);
 
        if (o == NULL) {
-               exceptions_print_stacktrace();
+               fprintf(stderr, "Failed to load Main-Class manifest attribute from\n");
+               fprintf(stderr, "%s\n", mainstring);
                return NULL;
        }
 
@@ -2229,552 +2376,60 @@ static void vm_compile_method(void)
 #endif /* !defined(NDEBUG) */
 
 
-/* vm_array_store_int **********************************************************
-
-   Helper function to store an integer into the argument array, taking
-   care of architecture specific issues.
-
-*******************************************************************************/
-
-static void vm_array_store_int(uint64_t *array, paramdesc *pd, int32_t value)
-{
-       int32_t index;
-
-       if (!pd->inmemory) {
-               index        = pd->index;
-               array[index] = (int64_t) value;
-       }
-       else {
-               index        = ARG_CNT + pd->index;
-#if SIZEOF_VOID_P == 8
-               array[index] = (int64_t) value;
-#else
-# if WORDS_BIGENDIAN == 1
-               array[index] = ((int64_t) value) << 32;
-# else
-               array[index] = (int64_t) value;
-# endif
-#endif
-       }
-}
-
-
-/* vm_array_store_lng **********************************************************
-
-   Helper function to store a long into the argument array, taking
-   care of architecture specific issues.
-
-*******************************************************************************/
-
-static void vm_array_store_lng(uint64_t *array, paramdesc *pd, int64_t value)
-{
-       int32_t index;
-
-#if SIZEOF_VOID_P == 8
-       if (!pd->inmemory)
-               index = pd->index;
-       else
-               index = ARG_CNT + pd->index;
-
-       array[index] = value;
-#else
-       if (!pd->inmemory) {
-               /* move low and high 32-bits into it's own argument slot */
-
-               index        = GET_LOW_REG(pd->index);
-               array[index] = value & 0x00000000ffffffff;
-
-               index        = GET_HIGH_REG(pd->index);
-               array[index] = value >> 32;
-       }
-       else {
-               index        = ARG_CNT + pd->index;
-               array[index] = value;
-       }
-#endif
-}
-
-
-/* vm_array_store_flt **********************************************************
-
-   Helper function to store a float into the argument array, taking
-   care of architecture specific issues.
-
-*******************************************************************************/
-
-static void vm_array_store_flt(uint64_t *array, paramdesc *pd, uint64_t value)
-{
-       int32_t index;
-
-       if (!pd->inmemory) {
-#if defined(SUPPORT_PASS_FLOATARGS_IN_INTREGS)
-               index        = pd->index;
-#else
-               index        = INT_ARG_CNT + pd->index;
-#endif
-#if WORDS_BIGENDIAN == 1 && !defined(__POWERPC__) && !defined(__POWERPC64__) && !defined(__S390__)
-               array[index] = value >> 32;
-#else
-               array[index] = value;
-#endif
-       }
-       else {
-               index        = ARG_CNT + pd->index;
-#if defined(__SPARC_64__)
-               array[index] = value >> 32;
-#else
-               array[index] = value;
-#endif
-       }
-}
-
-
-/* vm_array_store_dbl **********************************************************
-
-   Helper function to store a double into the argument array, taking
-   care of architecture specific issues.
-
-*******************************************************************************/
-
-static void vm_array_store_dbl(uint64_t *array, paramdesc *pd, uint64_t value)
-{
-       int32_t index;
-
-       if (!pd->inmemory) {
-#if SIZEOF_VOID_P != 8 && defined(SUPPORT_PASS_FLOATARGS_IN_INTREGS)
-               index        = GET_LOW_REG(pd->index);
-               array[index] = value & 0x00000000ffffffff;
-
-               index        = GET_HIGH_REG(pd->index);
-               array[index] = value >> 32;
-#else
-               index        = INT_ARG_CNT + pd->index;
-               array[index] = value;
-#endif
-       }
-       else {
-               index        = ARG_CNT + pd->index;
-               array[index] = value;
-       }
-}
-
-
-/* vm_array_store_adr **********************************************************
-
-   Helper function to store an address into the argument array, taking
-   care of architecture specific issues.
-
-*******************************************************************************/
-
-static void vm_array_store_adr(uint64_t *array, paramdesc *pd, void *value)
-{
-       int32_t index;
-
-       if (!pd->inmemory) {
-#if defined(HAS_ADDRESS_REGISTER_FILE)
-               /* When the architecture has address registers, place them
-                  after integer and float registers. */
-
-               index        = INT_ARG_CNT + FLT_ARG_CNT + pd->index;
-#else
-               index        = pd->index;
-#endif
-               array[index] = (uint64_t) (intptr_t) value;
-       }
-       else {
-               index        = ARG_CNT + pd->index;
-#if SIZEOF_VOID_P == 8
-               array[index] = (uint64_t) (intptr_t) value;
-#else
-# if WORDS_BIGENDIAN == 1
-               array[index] = ((uint64_t) (intptr_t) value) << 32;
-# else
-               array[index] = (uint64_t) (intptr_t) value;
-# endif
-#endif
-       }
-}
-
-
-/* vm_array_from_valist ********************************************************
-
-   XXX
-
-*******************************************************************************/
-
-uint64_t *vm_array_from_valist(methodinfo *m, java_handle_t *o, va_list ap)
-{
-       methoddesc *md;
-       paramdesc  *pd;
-       typedesc   *td;
-       uint64_t   *array;
-       int32_t     i;
-       imm_union   value;
-
-       /* get the descriptors */
-
-       md = m->parseddesc;
-       pd = md->params;
-       td = md->paramtypes;
-
-       /* allocate argument array */
-
-       array = DMNEW(uint64_t, INT_ARG_CNT + FLT_ARG_CNT + md->memuse);
-
-       /* if method is non-static fill first block and skip `this' pointer */
-
-       i = 0;
-
-       if (o != NULL) {
-               /* the `this' pointer */
-               vm_array_store_adr(array, pd, o);
-
-               pd++;
-               td++;
-               i++;
-       } 
-
-       for (; i < md->paramcount; i++, pd++, td++) {
-               switch (td->type) {
-               case TYPE_INT:
-                       value.i = va_arg(ap, int32_t);
-                       vm_array_store_int(array, pd, value.i);
-                       break;
-
-               case TYPE_LNG:
-                       value.l = va_arg(ap, int64_t);
-                       vm_array_store_lng(array, pd, value.l);
-                       break;
-
-               case TYPE_FLT:
-#if defined(__ALPHA__) || defined(__POWERPC__) || defined(__POWERPC64__)
-                       /* This is required to load the correct float value in
-                          assembler code. */
-
-                       value.d = (double) va_arg(ap, double);
-#else
-                       value.f = (float) va_arg(ap, double);
-#endif
-                       vm_array_store_flt(array, pd, value.l);
-                       break;
-
-               case TYPE_DBL:
-                       value.d = va_arg(ap, double);
-                       vm_array_store_dbl(array, pd, value.l);
-                       break;
-
-               case TYPE_ADR: 
-                       value.a = va_arg(ap, void*);
-                       vm_array_store_adr(array, pd, value.a);
-                       break;
-               }
-       }
-
-       return array;
-}
-
+/* vm_call_array ***************************************************************
 
-/* vm_array_from_jvalue ********************************************************
+   Calls a Java method with a variable number of arguments, passed via
+   an argument array.
 
-   XXX
+   ATTENTION: This function has to be used outside the nativeworld.
 
 *******************************************************************************/
 
-static uint64_t *vm_array_from_jvalue(methodinfo *m, java_handle_t *o,
-                                                                         const jvalue *args)
-{
-       methoddesc *md;
-       paramdesc  *pd;
-       typedesc   *td;
-       uint64_t   *array;
-       int32_t     i;
-       int32_t     j;
-
-       /* get the descriptors */
-
-       md = m->parseddesc;
-       pd = md->params;
-       td = md->paramtypes;
-
-       /* allocate argument array */
-
-#if defined(HAS_ADDRESS_REGISTER_FILE)
-       array = DMNEW(uint64_t, INT_ARG_CNT + FLT_ARG_CNT + ADR_ARG_CNT + md->memuse);
-#else
-       array = DMNEW(uint64_t, INT_ARG_CNT + FLT_ARG_CNT + md->memuse);
-#endif
-
-       /* if method is non-static fill first block and skip `this' pointer */
-
-       i = 0;
-
-       if (o != NULL) {
-               /* the `this' pointer */
-               vm_array_store_adr(array, pd, o);
-
-               pd++;
-               td++;
-               i++;
-       } 
-
-       for (j = 0; i < md->paramcount; i++, j++, pd++, td++) {
-               switch (td->decltype) {
-               case TYPE_INT:
-                       vm_array_store_int(array, pd, args[j].i);
-                       break;
-
-               case TYPE_LNG:
-                       vm_array_store_lng(array, pd, args[j].j);
-                       break;
-
-               case TYPE_FLT:
-                       vm_array_store_flt(array, pd, args[j].j);
-                       break;
-
-               case TYPE_DBL:
-                       vm_array_store_dbl(array, pd, args[j].j);
-                       break;
-
-               case TYPE_ADR: 
-                       vm_array_store_adr(array, pd, args[j].l);
-                       break;
-               }
-       }
-
-       return array;
+#define VM_CALL_ARRAY(name, type)                                 \
+static type vm_call##name##_array(methodinfo *m, uint64_t *array) \
+{                                                                 \
+       methoddesc *md;                                               \
+       void       *pv;                                               \
+       type        value;                                            \
+                                                                  \
+       assert(m->code != NULL);                                      \
+                                                                  \
+       md = m->parseddesc;                                           \
+       pv = m->code->entrypoint;                                     \
+                                                                  \
+       STATISTICS(count_calls_native_to_java++);                     \
+                                                                  \
+       value = asm_vm_call_method##name(pv, array, md->memuse);      \
+                                                                  \
+       return value;                                                 \
 }
 
-
-/* vm_array_from_objectarray ***************************************************
-
-   XXX
-
-*******************************************************************************/
-
-uint64_t *vm_array_from_objectarray(methodinfo *m, java_handle_t *o,
-                                                                       java_handle_objectarray_t *params)
+static java_handle_t *vm_call_array(methodinfo *m, uint64_t *array)
 {
        methoddesc    *md;
-       paramdesc     *pd;
-       typedesc      *td;
-       uint64_t      *array;
-       java_handle_t *param;
-       classinfo     *c;
-       int            type;
-       int32_t        i;
-       int32_t        j;
-       imm_union      value;
+       void          *pv;
+       java_object_t *o;
 
-       /* get the descriptors */
+       assert(m->code != NULL);
 
        md = m->parseddesc;
-       pd = md->params;
-       td = md->paramtypes;
-
-       /* allocate argument array */
-
-       array = DMNEW(uint64_t, INT_ARG_CNT + FLT_ARG_CNT + md->memuse);
+       pv = m->code->entrypoint;
 
-       /* if method is non-static fill first block and skip `this' pointer */
+       STATISTICS(count_calls_native_to_java++);
 
-       i = 0;
-
-       if (o != NULL) {
-               /* this pointer */
-               vm_array_store_adr(array, pd, o);
-
-               pd++;
-               td++;
-               i++;
-       }
+       o = asm_vm_call_method(pv, array, md->memuse);
 
-       for (j = 0; i < md->paramcount; i++, j++, pd++, td++) {
-               LLNI_objectarray_element_get(params, j, param);
+       if (md->returntype.type == TYPE_VOID)
+               o = NULL;
 
-               switch (td->type) {
-               case TYPE_INT:
-                       if (param == NULL) {
-                               exceptions_throw_illegalargumentexception();
-                               return NULL;
-                       }
-
-                       /* convert the value according to its declared type */
-
-                       LLNI_class_get(param, c);
-                       type = primitive_type_get_by_wrapperclass(c);
-
-                       switch (td->decltype) {
-                       case PRIMITIVETYPE_BOOLEAN:
-                               switch (type) {
-                               case PRIMITIVETYPE_BOOLEAN:
-                                       /* This type is OK. */
-                                       break;
-                               default:
-                                       exceptions_throw_illegalargumentexception();
-                                       return NULL;
-                               }
-                               break;
-
-                       case PRIMITIVETYPE_BYTE:
-                               switch (type) {
-                               case PRIMITIVETYPE_BYTE:
-                                       /* This type is OK. */
-                                       break;
-                               default:
-                                       exceptions_throw_illegalargumentexception();
-                                       return NULL;
-                               }
-                               break;
-
-                       case PRIMITIVETYPE_CHAR:
-                               switch (type) {
-                               case PRIMITIVETYPE_CHAR:
-                                       /* This type is OK. */
-                                       break;
-                               default:
-                                       exceptions_throw_illegalargumentexception();
-                                       return NULL;
-                               }
-                               break;
-
-                       case PRIMITIVETYPE_SHORT:
-                               switch (type) {
-                               case PRIMITIVETYPE_BYTE:
-                               case PRIMITIVETYPE_SHORT:
-                                       /* These types are OK. */
-                                       break;
-                               default:
-                                       exceptions_throw_illegalargumentexception();
-                                       return NULL;
-                               }
-                               break;
-
-                       case PRIMITIVETYPE_INT:
-                               switch (type) {
-                               case PRIMITIVETYPE_BYTE:
-                               case PRIMITIVETYPE_SHORT:
-                               case PRIMITIVETYPE_INT:
-                                       /* These types are OK. */
-                                       break;
-                               default:
-                                       exceptions_throw_illegalargumentexception();
-                                       return NULL;
-                               }
-                               break;
-
-                       default:
-                               vm_abort("vm_array_from_objectarray: invalid type %d",
-                                                td->decltype);
-                       }
-
-                       value = primitive_unbox(param);
-                       vm_array_store_int(array, pd, value.i);
-                       break;
-
-               case TYPE_LNG:
-                       if (param == NULL) {
-                               exceptions_throw_illegalargumentexception();
-                               return NULL;
-                       }
-
-                       LLNI_class_get(param, c);
-                       assert(td->decltype == PRIMITIVETYPE_LONG);
-
-                       switch (type) {
-                       case PRIMITIVETYPE_BYTE:
-                       case PRIMITIVETYPE_SHORT:
-                       case PRIMITIVETYPE_INT:
-                       case PRIMITIVETYPE_LONG:
-                               /* These types are OK. */
-                               break;
-                       default:
-                               exceptions_throw_illegalargumentexception();
-                               return NULL;
-                       }
-
-                       value = primitive_unbox(param);
-                       vm_array_store_lng(array, pd, value.l);
-                       break;
-
-               case TYPE_FLT:
-                       if (param == NULL) {
-                               exceptions_throw_illegalargumentexception();
-                               return NULL;
-                       }
-
-                       LLNI_class_get(param, c);
-                       type = primitive_type_get_by_wrapperclass(c);
-
-                       assert(td->decltype == PRIMITIVETYPE_FLOAT);
-
-                       switch (type) {
-                       case PRIMITIVETYPE_FLOAT:
-                               /* This type is OK. */
-                               break;
-                       default:
-                               exceptions_throw_illegalargumentexception();
-                               return NULL;
-                       }
-
-                       value = primitive_unbox(param);
-                       vm_array_store_flt(array, pd, value.l);
-                       break;
-
-               case TYPE_DBL:
-                       if (param == NULL) {
-                               exceptions_throw_illegalargumentexception();
-                               return NULL;
-                       }
-
-                       LLNI_class_get(param, c);
-                       type = primitive_type_get_by_wrapperclass(c);
-
-                       assert(td->decltype == PRIMITIVETYPE_DOUBLE);
-
-                       switch (type) {
-                       case PRIMITIVETYPE_FLOAT:
-                       case PRIMITIVETYPE_DOUBLE:
-                               /* These types are OK. */
-                               break;
-                       default:
-                               exceptions_throw_illegalargumentexception();
-                               return NULL;
-                       }
-
-                       value = primitive_unbox(param);
-                       vm_array_store_dbl(array, pd, value.l);
-                       break;
-               
-               case TYPE_ADR:
-                       if (!resolve_class_from_typedesc(td, true, true, &c))
-                               return NULL;
-
-                       if (param != NULL) {
-                               if (td->arraydim > 0) {
-                                       if (!builtin_arrayinstanceof(param, c)) {
-                                               exceptions_throw_illegalargumentexception();
-                                               return NULL;
-                                       }
-                               }
-                               else {
-                                       if (!builtin_instanceof(param, c)) {
-                                               exceptions_throw_illegalargumentexception();
-                                               return NULL;
-                                       }
-                               }
-                       }
-
-                       vm_array_store_adr(array, pd, param);
-                       break;
-
-               default:
-                       vm_abort("vm_array_from_objectarray: invalid type %d", td->type);
-               }
-       }
-
-       return array;
+       return LLNI_WRAP(o);
 }
 
+VM_CALL_ARRAY(_int,    int32_t)
+VM_CALL_ARRAY(_long,   int64_t)
+VM_CALL_ARRAY(_float,  float)
+VM_CALL_ARRAY(_double, double)
+
 
 /* vm_call_method **************************************************************
 
@@ -2813,14 +2468,22 @@ VM_CALL_METHOD(_double, double)
 type vm_call_method##name##_valist(methodinfo *m, java_handle_t *o,     \
                                                                   va_list ap)                          \
 {                                                                       \
-       int32_t   dumpsize;                                                 \
        uint64_t *array;                                                    \
        type      value;                                                    \
+       int32_t   dumpmarker;                                               \
+                                                                        \
+       if (m->code == NULL)                                                \
+               if (!jit_compile(m))                                            \
+                       return 0;                                                   \
                                                                         \
-       dumpsize = dump_size();                                             \
-       array = vm_array_from_valist(m, o, ap);                             \
+       THREAD_NATIVEWORLD_EXIT;                                            \
+       DMARKER;                                                            \
+                                                                        \
+       array = argument_vmarray_from_valist(m, o, ap);                     \
        value = vm_call##name##_array(m, array);                            \
-       dump_release(dumpsize);                                             \
+                                                                        \
+       DRELEASE;                                                           \
+       THREAD_NATIVEWORLD_ENTER;                                           \
                                                                         \
        return value;                                                       \
 }
@@ -2843,14 +2506,22 @@ VM_CALL_METHOD_VALIST(_double, double)
 type vm_call_method##name##_jvalue(methodinfo *m, java_handle_t *o,     \
                                                           const jvalue *args)                  \
 {                                                                       \
-       int32_t   dumpsize;                                                 \
        uint64_t *array;                                                    \
        type      value;                                                    \
+       int32_t   dumpmarker;                                               \
+                                                                        \
+       if (m->code == NULL)                                                \
+               if (!jit_compile(m))                                            \
+                       return 0;                                                   \
+                                                                        \
+       THREAD_NATIVEWORLD_EXIT;                                            \
+       DMARKER;                                                            \
                                                                         \
-       dumpsize = dump_size();                                             \
-       array = vm_array_from_jvalue(m, o, args);                           \
+       array = argument_vmarray_from_jvalue(m, o, args);                   \
        value = vm_call##name##_array(m, array);                            \
-       dump_release(dumpsize);                                             \
+                                                                        \
+       DRELEASE;                                                           \
+       THREAD_NATIVEWORLD_ENTER;                                           \
                                                                         \
        return value;                                                       \
 }
@@ -2862,40 +2533,118 @@ VM_CALL_METHOD_JVALUE(_float,  float)
 VM_CALL_METHOD_JVALUE(_double, double)
 
 
-/* vm_call_array ***************************************************************
+/* vm_call_method_objectarray **************************************************
 
-   Calls a Java method with a variable number of arguments, passed via
-   an argument array.
+   Calls a Java method with a variable number if arguments, passed via
+   an objectarray of boxed values. Returns a boxed value.
 
 *******************************************************************************/
 
-#define VM_CALL_ARRAY(name, type)                            \
-type vm_call##name##_array(methodinfo *m, uint64_t *array)   \
-{                                                            \
-       methoddesc *md;                                          \
-       void       *pv;                                          \
-       type        value;                                       \
-                                                             \
-       md = m->parseddesc;                                      \
-                                                             \
-       if (m->code == NULL)                                     \
-               if (!jit_compile(m))                                 \
-                       return 0;                                        \
-                                                             \
-       pv = m->code->entrypoint;                                \
-                                                             \
-       STATISTICS(count_calls_native_to_java++);                \
-                                                             \
-       value = asm_vm_call_method##name(pv, array, md->memuse); \
-                                                             \
-       return value;                                            \
-}
+java_handle_t *vm_call_method_objectarray(methodinfo *m, java_handle_t *o,
+                                                                                 java_handle_objectarray_t *params)
+{
+       uint64_t      *array;
+       java_handle_t *xptr;
+       java_handle_t *ro;
+       imm_union      value;
+       int32_t        dumpmarker;
 
-VM_CALL_ARRAY(,        java_handle_t *)
-VM_CALL_ARRAY(_int,    int32_t)
-VM_CALL_ARRAY(_long,   int64_t)
-VM_CALL_ARRAY(_float,  float)
-VM_CALL_ARRAY(_double, double)
+       /* Prevent compiler warnings. */
+
+       ro = NULL;
+
+       /* compile methods which are not yet compiled */
+
+       if (m->code == NULL)
+               if (!jit_compile(m))
+                       return NULL;
+
+       /* leave the nativeworld */
+
+       THREAD_NATIVEWORLD_EXIT;
+
+       /* mark start of dump memory area */
+
+       DMARKER;
+
+       /* Fill the argument array from a object-array. */
+
+       array = argument_vmarray_from_objectarray(m, o, params);
+
+       if (array == NULL) {
+               /* release dump area */
+
+               DRELEASE;
+
+               /* enter the nativeworld again */
+
+               THREAD_NATIVEWORLD_ENTER;
+
+               exceptions_throw_illegalargumentexception();
+
+               return NULL;
+       }
+
+       switch (m->parseddesc->returntype.decltype) {
+       case PRIMITIVETYPE_VOID:
+               value.a = vm_call_array(m, array);
+               break;
+
+       case PRIMITIVETYPE_BOOLEAN:
+       case PRIMITIVETYPE_BYTE:
+       case PRIMITIVETYPE_CHAR:
+       case PRIMITIVETYPE_SHORT:
+       case PRIMITIVETYPE_INT:
+               value.i = vm_call_int_array(m, array);
+               break;
+
+       case PRIMITIVETYPE_LONG:
+               value.l = vm_call_long_array(m, array);
+               break;
+
+       case PRIMITIVETYPE_FLOAT:
+               value.f = vm_call_float_array(m, array);
+               break;
+
+       case PRIMITIVETYPE_DOUBLE:
+               value.d = vm_call_double_array(m, array);
+               break;
+
+       case TYPE_ADR:
+               ro = vm_call_array(m, array);
+               break;
+
+       default:
+               vm_abort("vm_call_method_objectarray: invalid return type %d", m->parseddesc->returntype.decltype);
+       }
+
+       /* release dump area */
+
+       DRELEASE;
+
+       /* enter the nativeworld again */
+
+       THREAD_NATIVEWORLD_ENTER;
+
+       /* box the return value if necesarry */
+
+       if (m->parseddesc->returntype.decltype != TYPE_ADR)
+               ro = primitive_box(m->parseddesc->returntype.decltype, value);
+
+       /* check for an exception */
+
+       xptr = exceptions_get_exception();
+
+       if (xptr != NULL) {
+               /* clear exception pointer, we are calling JIT code again */
+
+               exceptions_clear_exception();
+
+               exceptions_throw_invocationtargetexception(xptr);
+       }
+
+       return ro;
+}
 
 
 /*