-/* native/vm/VMRuntime.c - java/lang/VMRuntime
+/* src/native/vm/VMRuntime.c - java/lang/VMRuntime
- 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, 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: Roman Obermaiser
Changes: Joseph Wenninger
Christian Thalinger
- $Id: VMRuntime.c 1903 2005-02-08 14:59:35Z twisti $
+ $Id: VMRuntime.c 4530 2006-02-21 09:11:53Z twisti $
*/
#include "config.h"
+#include <assert.h>
#include <string.h>
#include <stdlib.h>
-#include <unistd.h>
#include <sys/utsname.h>
+#if !defined(WITH_STATIC_CLASSPATH)
+# include <ltdl.h>
+#endif
+
#if defined(__DARWIN__)
+# define OS_INLINE /* required for <libkern/ppc/OSByteOrder.h> */
# include <mach/mach.h>
#endif
-#if !defined(STATIC_CLASSPATH)
-# include <dlfcn.h>
-#endif
+#include "vm/types.h"
-#include "cacao/cacao.h"
#include "mm/boehm.h"
#include "mm/memory.h"
#include "native/jni.h"
#include "native/include/java_io_File.h"
#include "native/include/java_lang_String.h"
#include "native/include/java_lang_Process.h"
-#include "native/include/java_util_Properties.h" /* java_lang_VMRuntime.h */
-#include "native/include/java_lang_VMRuntime.h"
#include "toolbox/logging.h"
#include "vm/builtin.h"
#include "vm/exceptions.h"
#include "vm/loader.h"
-#include "vm/tables.h"
+#include "vm/stringlocal.h"
+#include "vm/vm.h"
/* this should work on BSD */
#endif
*/
-#undef JOWENN_DEBUG
/* should we run all finalizers on exit? */
static bool finalizeOnExit = false;
-/*
- * Class: java/lang/VMRuntime
- * Method: execInternal
- * Signature: ([Ljava/lang/String;[Ljava/lang/String;Ljava/io/File;)Ljava/lang/Process;
- */
-JNIEXPORT java_lang_Process* JNICALL Java_java_lang_VMRuntime_execInternal(JNIEnv *env, jclass clazz, java_objectarray *cmd, java_objectarray *shellenv, java_io_File *workingdir)
-{
- log_text("Java_java_lang_Runtime_execInternal called");
-
- return NULL;
-}
-
-
/*
* Class: java/lang/VMRuntime
* Method: exitInternal
if (finalizeOnExit)
gc_finalize_all();
- cacao_shutdown(par1);
+ vm_shutdown(par1);
}
/*
- * Class: java/lang/Runtime
+ * Class: java/lang/VMRuntime
* Method: freeMemory
* Signature: ()J
*/
/*
- * Class: java/lang/Runtime
+ * Class: java/lang/VMRuntime
+ * Method: totalMemory
+ * Signature: ()J
+ */
+JNIEXPORT s8 JNICALL Java_java_lang_VMRuntime_totalMemory(JNIEnv *env, jclass clazz)
+{
+ return gc_get_heap_size();
+}
+
+
+/*
+ * Class: java_lang_VMRuntime
+ * Method: maxMemory
+ * Signature: ()J
+ */
+JNIEXPORT s8 JNICALL Java_java_lang_VMRuntime_maxMemory(JNIEnv *env, jclass clazz)
+{
+ return gc_get_max_heap_size();
+}
+
+
+/*
+ * Class: java/lang/VMRuntime
* Method: gc
* Signature: ()V
*/
/*
- * Class: java/lang/Runtime
+ * Class: java/lang/VMRuntime
* Method: runFinalization
* Signature: ()V
*/
/*
- * Class: java/lang/Runtime
+ * Class: java/lang/VMRuntime
* Method: runFinalizersOnExit
* Signature: (Z)V
*/
JNIEXPORT void JNICALL Java_java_lang_VMRuntime_runFinalizersOnExit(JNIEnv *env, jclass clazz, s4 value)
{
-#ifdef __GNUC__
-#warning threading
-#endif
+ /* XXX threading */
+
finalizeOnExit = value;
}
/*
- * Class: java/lang/Runtime
+ * Class: java/lang/VMRuntime
* Method: runFinalizationsForExit
* Signature: ()V
*/
/*
- * Class: java/lang/Runtime
- * Method: totalMemory
- * Signature: ()J
- */
-JNIEXPORT s8 JNICALL Java_java_lang_VMRuntime_totalMemory(JNIEnv *env, jclass clazz)
-{
- return gc_get_heap_size();
-}
-
-
-/*
- * Class: java/lang/Runtime
+ * Class: java/lang/VMRuntime
* Method: traceInstructions
* Signature: (Z)V
*/
/*
- * Class: java/lang/Runtime
+ * Class: java/lang/VMRuntime
* Method: traceMethodCalls
* Signature: (Z)V
*/
*/
JNIEXPORT s4 JNICALL Java_java_lang_VMRuntime_nativeLoad(JNIEnv *env, jclass clazz, java_lang_String *filename, java_lang_ClassLoader *loader)
{
- int retVal=0;
-
-#ifdef JOWENN_DEBUG
- char *buffer;
- int buffer_len;
+#if !defined(WITH_STATIC_CLASSPATH)
+ utf *name;
+ lt_dlhandle handle;
+ lt_ptr onload;
+ s4 version;
#endif
- utf *data;
-#ifdef JOWENN_DEBUG
- log_text("Java_java_lang_VMRuntime_nativeLoad");
-#endif
+ if (filename == NULL) {
+ exceptions_throw_nullpointerexception();
+ return 0;
+ }
+
+#if defined(WITH_STATIC_CLASSPATH)
+ return 1;
+#else /* defined(WITH_STATIC_CLASSPATH) */
+ name = javastring_toutf(filename, 0);
- data = javastring_toutf(filename, 0);
-
- if (!data) {
- log_text("nativeLoad: Error: empty string");
+ /* is the library already loaded? */
+
+ if (native_hashtable_library_find(name, (java_objectheader *) loader))
return 1;
+
+ /* try to open the library */
+
+ if (!(handle = lt_dlopen(name->text)))
+ return 0;
+
+ /* resolve JNI_OnLoad function */
+
+ if ((onload = lt_dlsym(handle, "JNI_OnLoad"))) {
+ JNIEXPORT s4 (JNICALL *JNI_OnLoad) (JavaVM *, void *);
+ JavaVM *vm;
+
+ JNI_OnLoad = (JNIEXPORT s4 (JNICALL *)(JavaVM *, void *)) (ptrint) onload;
+
+ (*env)->GetJavaVM(env, &vm);
+
+ version = JNI_OnLoad(vm, NULL);
+
+ /* if the version is not 1.2 and not 1.4 the library cannot be loaded */
+
+ if ((version != JNI_VERSION_1_2) && (version != JNI_VERSION_1_4)) {
+ lt_dlclose(handle);
+
+ return 0;
+ }
}
-
-#if JOWENN_DEBUG
- buffer_len = utf_strlen(data) + 40;
-
- buffer = MNEW(char, buffer_len);
- strcpy(buffer, "Java_java_lang_VMRuntime_nativeLoad:");
- utf_sprint(buffer + strlen((char *) data), data);
- log_text(buffer);
-
-
- MFREE(buffer, char, buffer_len);
-#endif
-#ifndef STATIC_CLASSPATH
- /*here it could be interesting to store the references in a list eg for nicely cleaning up or for certain platforms*/
- if (dlopen(data->text,RTLD_NOW | RTLD_GLOBAL)) {
- /*log_text("LIBLOADED");*/
- retVal=1;
- }
-#else
- retVal=1;
-#endif
+ /* insert the library name into the library hash */
+
+ native_hashtable_library_add(name, (java_objectheader *) loader, handle);
- return retVal;
+ return 1;
+#endif /* defined(WITH_STATIC_CLASSPATH) */
}
*/
JNIEXPORT java_lang_String* JNICALL Java_java_lang_VMRuntime_mapLibraryName(JNIEnv *env, jclass clazz, java_lang_String *libname)
{
- char *buffer;
- int buffer_len;
- utf *u;
+ utf *u;
+ char *buffer;
+ s4 buffer_len;
+ s4 dumpsize;
java_lang_String *s;
if (!libname) {
- *exceptionptr = new_nullpointerexception();
+ exceptions_throw_nullpointerexception();
return NULL;
}
u = javastring_toutf(libname, 0);
-
- if (!u) {
- log_text("nativeGetLibName: Error: empty string");
- return 0;;
- }
-
- buffer_len = utf_strlen(u) + 6 /*lib .so */ +1 /*0*/;
- buffer = MNEW(char, buffer_len);
- sprintf(buffer, "lib");
- utf_sprint(buffer + 3, u);
- strcat(buffer, ".so");
+ /* calculate length of library name */
-#ifdef JOWENN_DEBUG
- log_text("nativeGetLibName:");
- log_text(buffer);
+ buffer_len = strlen("lib");
+
+ buffer_len += utf_strlen(u);
+
+#if defined(__DARWIN__)
+ buffer_len += strlen(".dylib");
+#else
+ buffer_len += strlen(".so");
#endif
-
- s = javastring_new_char(buffer);
- MFREE(buffer, char, buffer_len);
+ buffer_len += strlen("0");
- return s;
-}
+ dumpsize = dump_size();
+ buffer = DMNEW(char, buffer_len);
+ /* generate library name */
-/*
- * Class: java_lang_VMRuntime
- * Method: maxMemory
- * Signature: ()J
- */
-JNIEXPORT s8 JNICALL Java_java_lang_VMRuntime_maxMemory(JNIEnv *env, jclass clazz)
-{
- return gc_get_max_heap_size();
+ strcpy(buffer, "lib");
+ utf_strcat(buffer, u);
+
+#if defined(__DARWIN__)
+ strcat(buffer, ".dylib");
+#else
+ strcat(buffer, ".so");
+#endif
+
+ s = javastring_new_char(buffer);
+
+ /* release memory */
+
+ dump_release(dumpsize);
+
+ return s;
}
projects / cacao.git / blobdiff