Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
- $Id: jvm.c 8384 2007-08-21 14:44:31Z panzi $
+ $Id: jvm.c 8387 2007-08-21 15:37:47Z twisti $
*/
#include "native/vm/reflect.h"
#include "threads/lock-common.h"
+#include "threads/threads-common.h"
#include "toolbox/logging.h"
#include "vm/primitive.h"
#include "vm/properties.h"
#include "vm/resolve.h"
+#include "vm/signallocal.h"
#include "vm/stringlocal.h"
#include "vm/vm.h"
#include "vmcore/options.h"
-/* debugging macro ************************************************************/
+/* debugging macros ***********************************************************/
#if !defined(NDEBUG)
+
# define TRACEJVMCALLS(...) \
do { \
if (opt_TraceJVMCalls) { \
log_println(__VA_ARGS__); \
} \
} while (0)
+
+# define PRINTJVMWARNINGS(...)
+/* do { \ */
+/* if (opt_PrintJVMWarnings) { \ */
+/* log_println(__VA_ARGS__); \ */
+/* } \ */
+/* } while (0) */
+
#else
+
# define TRACEJVMCALLS(...)
+# define PRINTJVMWARNINGS(...)
+
#endif
jlong JVM_MaxMemory(void)
{
- log_println("JVM_MaxMemory: IMPLEMENT ME!");
+ TRACEJVMCALLS("JVM_MaxMemory()");
+
+ return gc_get_max_heap_size();
}
void JVM_EnableCompiler(JNIEnv *env, jclass compCls)
{
- log_println("JVM_EnableCompiler: IMPLEMENT ME!");
+ TRACEJVMCALLS("JVM_EnableCompiler(env=%p, compCls=%p)", env, compCls);
+ PRINTJVMWARNINGS("JVM_EnableCompiler not supported");
}
void JVM_DisableCompiler(JNIEnv *env, jclass compCls)
{
- log_println("JVM_DisableCompiler: IMPLEMENT ME!");
+ TRACEJVMCALLS("JVM_DisableCompiler(env=%p, compCls=%p)", env, compCls);
+ PRINTJVMWARNINGS("JVM_DisableCompiler not supported");
}
/* JVM_NativePath */
-char* JVM_NativePath(char* path)
+char *JVM_NativePath(char *path)
{
-#if PRINTJVM
- log_println("JVM_NativePath: path=%s", path);
-#endif
+ TRACEJVMCALLS("JVM_NativePath(path=%s)", path);
+
/* XXX is this correct? */
return path;
{
java_handle_objectarray_t *oa;
-#if PRINTJVM
- log_println("JVM_GetCallerClass: depth=%d", depth);
-#endif
+ TRACEJVMCALLS("JVM_GetCallerClass(env=%p, depth=%d)", env, depth);
oa = stacktrace_getClassContext();
u = utf_new_char(s);
c = primitive_class_get_by_name(u);
- return LLNI_classinfo_wrap(c);
+ return (jclass) LLNI_classinfo_wrap(c);
}
void JVM_ResolveClass(JNIEnv* env, jclass cls)
{
- log_println("JVM_ResolveClass: IMPLEMENT ME!");
+ TRACEJVMCALLS("JVM_ResolveClass(env=%p, cls=%p)", env, cls);
+ PRINTJVMWARNINGS("JVM_ResolveClass not implemented");
}
jclass JVM_FindClassFromClassLoader(JNIEnv* env, const char* name, jboolean init, jobject loader, jboolean throwError)
{
- classinfo *c;
+ classinfo *c;
+ utf *u;
+ classloader *cl;
-#if PRINTJVM
- log_println("JVM_FindClassFromClassLoader: name=%s, init=%d, loader=%p, throwError=%d", name, init, loader, throwError);
-#endif
+ TRACEJVMCALLS("JVM_FindClassFromClassLoader: name=%s, init=%d, loader=%p, throwError=%d", name, init, loader, throwError);
+
+ u = utf_new_char(name);
+ cl = (classloader *) loader;
- c = load_class_from_classloader(utf_new_char(name), (classloader *) loader);
+ c = load_class_from_classloader(u, cl);
if (c == NULL)
return NULL;
if (!initialize_class(c))
return NULL;
- return LLNI_classinfo_wrap(c);
+ return (jclass) LLNI_classinfo_wrap(c);
}
jclass JVM_DefineClassWithSource(JNIEnv *env, const char *name, jobject loader, const jbyte *buf, jsize len, jobject pd, const char *source)
{
-#if PRINTJVM
- log_println("JVM_DefineClassWithSource: name=%s, loader=%p, buf=%p, len=%d, pd=%p, source=%s", name, loader, buf, len, pd, source);
-#endif
- /* XXX do something with pd and source */
+ classinfo *c;
+ utf *u;
+ classloader *cl;
- return LLNI_classinfo_wrap( class_define(utf_new_char(name), (classloader *) loader, len, (u1 *) buf) );
+ TRACEJVMCALLS("JVM_DefineClassWithSource(env=%p, name=%s, loader=%p, buf=%p, len=%d, pd=%p, source=%s)", env, name, loader, buf, len, pd, source);
+
+ u = utf_new_char(name);
+ cl = (classloader *) loader;
+ /* XXX do something with source */
+
+ c = class_define(u, cl, len, (const uint8_t *) buf, (java_handle_t *) pd);
+
+ return (jclass) LLNI_classinfo_wrap(c);
}
utf *u;
classinfo *c;
- cl = (classloader *) loader;
+ TRACEJVMCALLS("JVM_FindLoadedClass(env=%p, loader=%p, name=%p)", env, loader, name);
-#if PRINTJVM
- log_println("JVM_FindLoadedClass(loader=%p, name=%p)", loader, name);
-#endif
+ cl = (classloader *) loader;
u = javastring_toutf((java_handle_t *) name, true);
c = classcache_lookup(cl, u);
- return LLNI_classinfo_wrap(c);
+ return (jclass) LLNI_classinfo_wrap(c);
}
jobject JVM_GetClassLoader(JNIEnv *env, jclass cls)
{
-#if PRINTJVM
- log_println("JVM_GetClassLoader: cls=%p", cls);
-#endif
+ TRACEJVMCALLS("JVM_GetClassLoader(env=%p, cls=%p)", env, cls);
+
return (jobject) _Jv_java_lang_Class_getClassLoader((java_lang_Class *) cls);
}
{
classinfo *c;
-#if PRINTJVM || 1
- log_println("JVM_GetProtectionDomain: cls=%p");
-#endif
+ TRACEJVMCALLS("JVM_GetProtectionDomain(env=%p, cls=%p)", env, cls);
c = LLNI_classinfo_unwrap(cls);
if (class_is_primitive(c))
return NULL;
- return NULL;
+ return (jobject) c->protectiondomain;
}
component = class_get_componenttype(c);
- return LLNI_classinfo_wrap(component);
+ return (jclass) LLNI_classinfo_wrap(component);
}
jclass JVM_GetDeclaringClass(JNIEnv *env, jclass ofClass)
{
- classinfo *c = LLNI_classinfo_unwrap(ofClass);
+ classinfo *c;
+ classinfo *dc;
- TRACEJVMCALLS("JVM_GetDeclaringClass: ofClass=%p", ofClass);
+ TRACEJVMCALLS("JVM_GetDeclaringClass(env=%p, ofClass=%p)", env, ofClass);
- if(c == NULL) {
- exceptions_throw_nullpointerexception();
- return NULL;
- }
+ c = LLNI_classinfo_unwrap(ofClass);
+
+ dc = class_get_declaringclass(c);
- return LLNI_classinfo_wrap(class_get_declaringclass(c));
+ return (jclass) LLNI_classinfo_wrap(dc);
}
jstring JVM_GetClassSignature(JNIEnv *env, jclass cls)
{
- log_println("JVM_GetClassSignature: IMPLEMENT ME!");
+ classinfo *c;
+ utf *u;
+ java_object_t *s;
+
+ TRACEJVMCALLS("JVM_GetClassSignature(env=%p, cls=%p)", env, cls);
+
+ c = (classinfo *) cls;
+
+ /* Get the signature of the class. */
+
+ u = class_get_signature(c);
+
+ if (u == NULL)
+ return NULL;
+
+ /* Convert UTF-string to a Java-string. */
+
+ s = javastring_new(u);
+
+ return (jstring) s;
}
jint JVM_ConstantPoolGetSize(JNIEnv *env, jobject unused, jobject jcpool)
{
- classinfo *cls = LLNI_classinfo_unwrap(jcpool);
- TRACEJVMCALLS("JVM_ConstantPoolGetSize: jcpool=%p", jcpool);
- return cls->cpcount;
+ classinfo *c;
+
+ TRACEJVMCALLS("JVM_ConstantPoolGetSize(env=%p, unused=%p, jcpool=%p)", env, unused, jcpool);
+
+ c = LLNI_classinfo_unwrap(jcpool);
+
+ return c->cpcount;
}
jclass JVM_ConstantPoolGetClassAt(JNIEnv *env, jobject unused, jobject jcpool, jint index)
{
constant_classref *ref;
- classinfo *cls = LLNI_classinfo_unwrap(jcpool);
-
- TRACEJVMCALLS("JVM_ConstantPoolGetClassAt: jcpool=%p, index=%d", jcpool, index);
+ classinfo *c;
+ classinfo *result;
- ref = (constant_classref*)class_getconstant(cls, index, CONSTANT_Class);
+ TRACEJVMCALLS("JVM_ConstantPoolGetClassAt(env=%p, jcpool=%p, index=%d)", env, jcpool, index);
- if (ref == NULL) {
+ c = LLNI_classinfo_unwrap(jcpool);
+
+ ref = (constant_classref *) class_getconstant(c, index, CONSTANT_Class);
+
+ if (ref == NULL)
return NULL;
- }
- return LLNI_classinfo_wrap(resolve_classref_eager(ref));
+ result = resolve_classref_eager(ref);
+
+ return (jclass) LLNI_classinfo_wrap(result);
}
jclass JVM_ConstantPoolGetClassAtIfLoaded(JNIEnv *env, jobject unused, jobject jcpool, jint index)
{
constant_classref *ref;
- classinfo *c = NULL;
- classinfo *cls = LLNI_classinfo_unwrap(jcpool);
+ classinfo *c;
+ classinfo *result;
- TRACEJVMCALLS("JVM_ConstantPoolGetClassAtIfLoaded: jcpool=%p, index=%d", jcpool, index);
+ TRACEJVMCALLS("JVM_ConstantPoolGetClassAtIfLoaded(env=%p, unused=%p, jcpool=%p, index=%d)", env, unused, jcpool, index);
- ref = (constant_classref*)class_getconstant(cls, index, CONSTANT_Class);
+ c = LLNI_classinfo_unwrap(jcpool);
- if (ref == NULL) {
+ ref = (constant_classref *) class_getconstant(c, index, CONSTANT_Class);
+
+ if (ref == NULL)
return NULL;
- }
- if (!resolve_classref(NULL, ref, resolveLazy, true, true, &c)) {
+ if (!resolve_classref(NULL, ref, resolveLazy, true, true, &result))
return NULL;
- }
- if (c == NULL || !(c->state & CLASS_LOADED)) {
+ if ((result == NULL) || !(result->state & CLASS_LOADED)) {
return NULL;
}
- return LLNI_classinfo_wrap(c);
+ return (jclass) LLNI_classinfo_wrap(result);
}
jboolean JVM_DesiredAssertionStatus(JNIEnv *env, jclass unused, jclass cls)
{
- log_println("JVM_DesiredAssertionStatus: cls=%p, IMPLEMENT ME!", cls);
+ TRACEJVMCALLS("JVM_DesiredAssertionStatus(env=%p, unused=%p, cls=%p)", env, unused, cls);
+
+ /* TODO: Implement this one, but false should be OK. */
return false;
}
jint JVM_Available(jint fd, jlong *pbytes)
{
- TRACEJVMCALLS("JVM_Available(fd=%d, pbytes=%p)", fd, pbytes);
-
#if defined(FIONREAD)
int bytes;
+ TRACEJVMCALLS("JVM_Available(fd=%d, pbytes=%p)", fd, pbytes);
+
+ *pbytes = 0;
+
if (ioctl(fd, FIONREAD, &bytes) < 0)
return 0;
*pbytes = bytes;
return 1;
-#elif defined(HAVE_FSTAT)
- struct stat statBuffer;
- off_t n;
- int result;
-
- *pbytes = 0;
-
- if ((fstat(fd, &statBuffer) == 0) && S_ISREG (statBuffer.st_mode)) {
- n = lseek (fd, 0, SEEK_CUR);
-
- if (n != -1) {
- *pbytes = statBuffer.st_size - n;
- result = 1;
- }
- else {
- result = 0;
- }
- }
- else {
- result = 0;
- }
-
- return result;
-#elif defined(HAVE_SELECT)
- fd_set filedescriptset;
- struct timeval tv;
- int result;
-
- *pbytes = 0;
-
- FD_ZERO(&filedescriptset);
- FD_SET(fd, &filedescriptset);
- memset(&tv, 0, sizeof(tv));
-
- switch (select(fd+1, &filedescriptset, NULL, NULL, &tv))
- {
- case -1:
- result = errno;
- break;
- case 0:
- *pbytes = 0;
- result = CPNATIVE_OK;
- break;
- default:
- *pbytes = 1;
- result = CPNATIVE_OK;
- break;
- }
- return result;
#else
- *pbytes = 0;
- return 0;
+# error FIONREAD not defined
#endif
}
void JVM_Yield(JNIEnv *env, jclass threadClass)
{
- log_println("JVM_Yield: IMPLEMENT ME!");
+ TRACEJVMCALLS("JVM_Yield(env=%p, threadClass=%p)", env, threadClass);
+
+ threads_yield();
}
jobject JVM_CurrentClassLoader(JNIEnv *env)
{
+ /* XXX if a method in a class in a trusted loader is in a
+ doPrivileged, return NULL */
+
log_println("JVM_CurrentClassLoader: IMPLEMENT ME!");
}
jstring JVM_GetSystemPackage(JNIEnv *env, jstring name)
{
log_println("JVM_GetSystemPackage(env=%p, name=%p)");
- javastring_print(name);
+ javastring_print((java_handle_t *) name);
printf("\n");
return NULL;
jobject JVM_GetArrayElement(JNIEnv *env, jobject arr, jint index)
{
java_handle_t *a;
+ java_handle_t *o;
TRACEJVMCALLS("JVM_GetArrayElement(env=%p, arr=%p, index=%d)", env, arr, index);
a = (java_handle_t *) arr;
- return (jobject)array_element_get(a, index);
+/* if (!class_is_array(a->objheader.vftbl->class)) { */
+/* exceptions_throw_illegalargumentexception(); */
+/* return NULL; */
+/* } */
+
+ o = array_element_get(a, index);
+
+ return (jobject) o;
}
void JVM_SetArrayElement(JNIEnv *env, jobject arr, jint index, jobject val)
{
java_handle_t *a;
- java_handle_t *o;
+ java_handle_t *value;
- TRACEJVMCALLS("JVM_SetArrayElement(arr=%p, index=%d, val=%p)", arr, index, val);
-
- a = (java_handle_t *) arr;
- o = (java_handle_t *) val;
+ TRACEJVMCALLS("JVM_SetArrayElement(env=%p, arr=%p, index=%d, val=%p)", env, arr, index, val);
+
+ a = (java_handle_t *) arr;
+ value = (java_handle_t *) val;
- array_element_set(a, index, o);
+ array_element_set(a, index, value);
}
jint JVM_Socket(jint domain, jint type, jint protocol)
{
-#if PRINTJVM || 1
- log_println("JVM_Socket: domain=%d, type=%d, protocol=%d", domain, type, protocol);
-#endif
+ TRACEJVMCALLS("JVM_Socket(domain=%d, type=%d, protocol=%d)", domain, type, protocol);
+
return socket(domain, type, protocol);
}
jint JVM_SocketClose(jint fd)
{
-#if PRINTJVM || 1
- log_println("JVM_SocketClose: fd=%d", fd);
-#endif
+ TRACEJVMCALLS("JVM_SocketClose(fd=%d)", fd);
+
return close(fd);
}
jint JVM_SocketShutdown(jint fd, jint howto)
{
-#if PRINTJVM || 1
- log_println("JVM_SocketShutdown: fd=%d, howto=%d", fd, howto);
-#endif
+ TRACEJVMCALLS("JVM_SocketShutdown(fd=%d, howto=%d)", fd, howto);
+
return shutdown(fd, howto);
}
jint JVM_Listen(jint fd, jint count)
{
-#if PRINTJVM || 1
- log_println("JVM_Listen: fd=%d, count=%d", fd, count);
-#endif
+ TRACEJVMCALLS("JVM_Listen(fd=%d, count=%d)", fd, count);
+
return listen(fd, count);
}
jint JVM_Connect(jint fd, struct sockaddr *him, jint len)
{
-#if PRINTJVM || 1
- log_println("JVM_Connect: fd=%d, him=%p, len=%d", fd, him, len);
-#endif
+ TRACEJVMCALLS("JVM_Connect(fd=%d, him=%p, len=%d)", fd, him, len);
+
return connect(fd, him, len);
}
jint JVM_Accept(jint fd, struct sockaddr *him, jint *len)
{
-#if PRINTJVM || 1
- log_println("JVM_Accept: fd=%d, him=%p, len=%p", fd, him, len);
-#endif
+ TRACEJVMCALLS("JVM_Accept(fd=%d, him=%p, len=%p)", fd, him, len);
+
return accept(fd, him, (socklen_t *) len);
}
jint JVM_GetSockName(jint fd, struct sockaddr *him, int *len)
{
-#if PRINTJVM || 1
- log_println("JVM_GetSockName: fd=%d, him=%p, len=%p", fd, him, len);
-#endif
+ TRACEJVMCALLS("JVM_GetSockName(fd=%d, him=%p, len=%p)", fd, him, len);
+
return getsockname(fd, him, (socklen_t *) len);
}
jint JVM_SetSockOpt(jint fd, int level, int optname, const char *optval, int optlen)
{
-#if PRINTJVM || 1
- log_println("JVM_SetSockOpt: fd=%d, level=%d, optname=%d, optval=%s, optlen=%d", fd, level, optname, optval, optlen);
-#endif
+ TRACEJVMCALLS("JVM_SetSockOpt(fd=%d, level=%d, optname=%d, optval=%s, optlen=%d)", fd, level, optname, optval, optlen);
+
return setsockopt(fd, level, optname, optval, optlen);
}
int JVM_GetHostName(char* name, int namelen)
{
-#if PRINTJVM || 1
- log_println("JVM_GetHostName: name=%s, namelen=%d", name, namelen);
-#endif
+ TRACEJVMCALLS("JVM_GetHostName(name=%s, namelen=%d)", name, namelen);
+
return gethostname(name, namelen);
}
/* JVM_LoadLibrary */
-void* JVM_LoadLibrary(const char* name)
+void *JVM_LoadLibrary(const char *name)
{
-#if PRINTJVM
- log_println("JVM_LoadLibrary: name=%s", name);
-#endif
- return native_library_open(utf_new_char(name));
+ utf *u;
+
+ TRACEJVMCALLS("JVM_LoadLibrary(name=%s)", name);
+
+ u = utf_new_char(name);
+
+ return native_library_open(u);
}
/* JVM_FindLibraryEntry */
-void* JVM_FindLibraryEntry(void* handle, const char* name)
+void *JVM_FindLibraryEntry(void *handle, const char *name)
{
lt_ptr symbol;
-#if PRINTJVM
- log_println("JVM_FindLibraryEntry: handle=%p, name=%s", handle, name);
-#endif
+ TRACEJVMCALLS("JVM_FindLibraryEntry(handle=%p, name=%s)", handle, name);
symbol = lt_dlsym(handle, name);
jboolean JVM_IsSupportedJNIVersion(jint version)
{
-#if PRINTJVM
- log_println("JVM_IsSupportedJNIVersion: version=%d", version);
-#endif
+ TRACEJVMCALLS("JVM_IsSupportedJNIVersion(version=%d)", version);
+
switch (version) {
case JNI_VERSION_1_1:
case JNI_VERSION_1_2:
jintArray JVM_GetThreadStateValues(JNIEnv* env, jint javaThreadState)
{
- log_println("JVM_GetThreadStateValues: IMPLEMENT ME!");
+ java_handle_intarray_t *ia;
+
+ TRACEJVMCALLS("JVM_GetThreadStateValues(env=%p, javaThreadState=%d)",
+ env, javaThreadState);
+
+ /* If new thread states are added in future JDK and VM versions,
+ this should check if the JDK version is compatible with thread
+ states supported by the VM. Return NULL if not compatible.
+
+ This function must map the VM java_lang_Thread::ThreadStatus
+ to the Java thread state that the JDK supports. */
+
+ switch (javaThreadState) {
+ case THREAD_STATE_NEW:
+ ia = builtin_newarray_int(1);
+
+ if (ia == NULL)
+ return NULL;
+
+ array_intarray_element_set(ia, 0, THREAD_STATE_NEW);
+ break;
+
+ case THREAD_STATE_RUNNABLE:
+ ia = builtin_newarray_int(1);
+
+ if (ia == NULL)
+ return NULL;
+
+ array_intarray_element_set(ia, 0, THREAD_STATE_RUNNABLE);
+ break;
+
+ case THREAD_STATE_BLOCKED:
+ ia = builtin_newarray_int(1);
+
+ if (ia == NULL)
+ return NULL;
+
+ array_intarray_element_set(ia, 0, THREAD_STATE_BLOCKED);
+ break;
+
+ case THREAD_STATE_WAITING:
+ ia = builtin_newarray_int(2);
+
+ if (ia == NULL)
+ return NULL;
+
+ array_intarray_element_set(ia, 0, THREAD_STATE_WAITING);
+ /* XXX Implement parked stuff. */
+/* array_intarray_element_set(ia, 1, PARKED); */
+ break;
+
+ case THREAD_STATE_TIMED_WAITING:
+ ia = builtin_newarray_int(3);
+
+ if (ia == NULL)
+ return NULL;
+
+ /* XXX Not sure about that one. */
+/* array_intarray_element_set(ia, 0, SLEEPING); */
+ array_intarray_element_set(ia, 0, THREAD_STATE_TIMED_WAITING);
+ /* XXX Implement parked stuff. */
+/* array_intarray_element_set(ia, 2, PARKED); */
+ break;
+
+ case THREAD_STATE_TERMINATED:
+ ia = builtin_newarray_int(1);
+
+ if (ia == NULL)
+ return NULL;
+
+ array_intarray_element_set(ia, 0, THREAD_STATE_TERMINATED);
+ break;
+
+ default:
+ /* Unknown state - probably incompatible JDK version */
+ return NULL;
+ }
+
+ return (jintArray) ia;
}
-/* JVM_GetThreadStateValues */
+/* JVM_GetThreadStateNames */
jobjectArray JVM_GetThreadStateNames(JNIEnv* env, jint javaThreadState, jintArray values)
{
- log_println("JVM_GetThreadStateValues: IMPLEMENT ME!");
+ java_handle_intarray_t *ia;
+ java_handle_objectarray_t *oa;
+ java_object_t *s;
+
+ TRACEJVMCALLS("JVM_GetThreadStateNames(env=%p, javaThreadState=%d, values=%p)",
+ env, javaThreadState, values);
+
+ ia = (java_handle_intarray_t *) values;
+
+ /* If new thread states are added in future JDK and VM versions,
+ this should check if the JDK version is compatible with thread
+ states supported by the VM. Return NULL if not compatible.
+
+ This function must map the VM java_lang_Thread::ThreadStatus
+ to the Java thread state that the JDK supports. */
+
+ if (values == NULL) {
+ exceptions_throw_nullpointerexception();
+ return NULL;
+ }
+
+ switch (javaThreadState) {
+ case THREAD_STATE_NEW:
+ assert(ia->header.size == 1 && ia->data[0] == THREAD_STATE_NEW);
+
+ oa = builtin_anewarray(1, class_java_lang_String);
+
+ if (oa == NULL)
+ return NULL;
+
+ s = javastring_new(utf_new_char("NEW"));
+
+ if (s == NULL)
+ return NULL;
+
+ array_objectarray_element_set(oa, 0, s);
+ break;
+
+ case THREAD_STATE_RUNNABLE:
+ oa = builtin_anewarray(1, class_java_lang_String);
+
+ if (oa == NULL)
+ return NULL;
+
+ s = javastring_new(utf_new_char("RUNNABLE"));
+
+ if (s == NULL)
+ return NULL;
+
+ array_objectarray_element_set(oa, 0, s);
+ break;
+
+ case THREAD_STATE_BLOCKED:
+ oa = builtin_anewarray(1, class_java_lang_String);
+
+ if (oa == NULL)
+ return NULL;
+
+ s = javastring_new(utf_new_char("BLOCKED"));
+
+ if (s == NULL)
+ return NULL;
+
+ array_objectarray_element_set(oa, 0, s);
+ break;
+
+ case THREAD_STATE_WAITING:
+ oa = builtin_anewarray(2, class_java_lang_String);
+
+ if (oa == NULL)
+ return NULL;
+
+ s = javastring_new(utf_new_char("WAITING.OBJECT_WAIT"));
+/* s = javastring_new(utf_new_char("WAITING.PARKED")); */
+
+ if (s == NULL)
+ return NULL;
+
+ array_objectarray_element_set(oa, 0, s);
+/* array_objectarray_element_set(oa, 1, s); */
+ break;
+
+ case THREAD_STATE_TIMED_WAITING:
+ oa = builtin_anewarray(3, class_java_lang_String);
+
+ if (oa == NULL)
+ return NULL;
+
+/* s = javastring_new(utf_new_char("TIMED_WAITING.SLEEPING")); */
+ s = javastring_new(utf_new_char("TIMED_WAITING.OBJECT_WAIT"));
+/* s = javastring_new(utf_new_char("TIMED_WAITING.PARKED")); */
+
+ if (s == NULL)
+ return NULL;
+
+/* array_objectarray_element_set(oa, 0, s); */
+ array_objectarray_element_set(oa, 0, s);
+/* array_objectarray_element_set(oa, 2, s); */
+ break;
+
+ case THREAD_STATE_TERMINATED:
+ oa = builtin_anewarray(1, class_java_lang_String);
+
+ if (oa == NULL)
+ return NULL;
+
+ s = javastring_new(utf_new_char("TERMINATED"));
+
+ if (s == NULL)
+ return NULL;
+
+ array_objectarray_element_set(oa, 0, s);
+ break;
+
+ default:
+ /* Unknown state - probably incompatible JDK version */
+ return NULL;
+ }
+
+ return (jobjectArray) oa;
}
/* OS: JVM_RegisterSignal */
-void* JVM_RegisterSignal(jint sig, void* handler)
+void *JVM_RegisterSignal(jint sig, void *handler)
{
- log_println("JVM_RegisterSignal: sig=%d, handler=%p, IMPLEMENT ME!", sig, handler);
- return NULL;
+ functionptr newHandler;
+
+ TRACEJVMCALLS("JVM_RegisterSignal(sig=%d, handler=%p)", sig, handler);
+
+ if (handler == (void *) 2)
+ newHandler = (functionptr) signal_thread_handler;
+ else
+ newHandler = (functionptr) (uintptr_t) handler;
+
+ switch (sig) {
+ case SIGILL:
+ case SIGFPE:
+ case SIGUSR1:
+ case SIGSEGV:
+ /* These signals are already used by the VM. */
+ return (void *) -1;
+
+ case SIGQUIT:
+ /* This signal is used by the VM to dump thread stacks unless
+ ReduceSignalUsage is set, in which case the user is allowed
+ to set his own _native_ handler for this signal; thus, in
+ either case, we do not allow JVM_RegisterSignal to change
+ the handler. */
+ return (void *) -1;
+
+ case SIGHUP:
+ case SIGINT:
+ case SIGTERM:
+ break;
+ }
+
+ signal_register_signal(sig, newHandler, 0);
+
+ /* XXX Should return old handler. */
+
+ return (void *) 2;
}
jboolean JVM_RaiseSignal(jint sig)
{
- log_println("JVM_RaiseSignal: sig=%s", sig);
+ log_println("JVM_RaiseSignal: IMPLEMENT ME! sig=%s", sig);
return false;
}
jint JVM_FindSignal(const char *name)
{
- log_println("JVM_FindSignal: name=%s", name);
- return 0;
+ TRACEJVMCALLS("JVM_FindSignal(name=%s)", name);
+
+#if defined(__LINUX__)
+ if (strcmp(name, "HUP") == 0)
+ return SIGHUP;
+
+ if (strcmp(name, "INT") == 0)
+ return SIGINT;
+
+ if (strcmp(name, "TERM") == 0)
+ return SIGTERM;
+#else
+# error not implemented for this OS
+#endif
+
+ return -1;
}
#include "config.h"
#include <stdint.h>
+#include <unistd.h>
#include "mm/memory.h"
#include "native/include/sun_misc_Unsafe.h"
+#include "vm/builtin.h"
#include "vm/exceptions.h"
#include "vm/initialize.h"
#include "vm/stringlocal.h"
{ "putBoolean", "(Ljava/lang/Object;JZ)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putBoolean },
{ "getByte", "(Ljava/lang/Object;J)B", (void *) (intptr_t) &Java_sun_misc_Unsafe_getByte__Ljava_lang_Object_2J },
{ "putByte", "(Ljava/lang/Object;JB)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putByte__Ljava_lang_Object_2JB },
+ { "putShort", "(Ljava/lang/Object;JS)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putShort__Ljava_lang_Object_2JS },
{ "getChar", "(Ljava/lang/Object;J)C", (void *) (intptr_t) &Java_sun_misc_Unsafe_getChar__Ljava_lang_Object_2J },
{ "putChar", "(Ljava/lang/Object;JC)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putChar__Ljava_lang_Object_2JC },
+ { "putFloat", "(Ljava/lang/Object;JF)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putFloat__Ljava_lang_Object_2JF },
{ "getByte", "(J)B", (void *) (intptr_t) &Java_sun_misc_Unsafe_getByte__J },
{ "getInt", "(J)I", (void *) (intptr_t) &Java_sun_misc_Unsafe_getInt__J },
+ { "putInt", "(JI)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putInt__JI },
{ "getLong", "(J)J", (void *) (intptr_t) &Java_sun_misc_Unsafe_getLong__J },
{ "putLong", "(JJ)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putLong__JJ },
{ "objectFieldOffset", "(Ljava/lang/reflect/Field;)J", (void *) (intptr_t) &Java_sun_misc_Unsafe_objectFieldOffset },
{ "arrayBaseOffset", "(Ljava/lang/Class;)I", (void *) (intptr_t) &Java_sun_misc_Unsafe_arrayBaseOffset },
{ "arrayIndexScale", "(Ljava/lang/Class;)I", (void *) (intptr_t) &Java_sun_misc_Unsafe_arrayIndexScale },
{ "addressSize", "()I", (void *) (intptr_t) &Java_sun_misc_Unsafe_addressSize },
+ { "pageSize", "()I", (void *) (intptr_t) &Java_sun_misc_Unsafe_pageSize },
{ "defineClass", "(Ljava/lang/String;[BIILjava/lang/ClassLoader;Ljava/security/ProtectionDomain;)Ljava/lang/Class;", (void *) (intptr_t) &Java_sun_misc_Unsafe_defineClass__Ljava_lang_String_2_3BIILjava_lang_ClassLoader_2Ljava_security_ProtectionDomain_2 },
+ { "allocateInstance", "(Ljava/lang/Class;)Ljava/lang/Object;", (void *) (intptr_t) &Java_sun_misc_Unsafe_allocateInstance },
{ "throwException", "(Ljava/lang/Throwable;)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_throwException },
{ "compareAndSwapObject", "(Ljava/lang/Object;JLjava/lang/Object;Ljava/lang/Object;)Z", (void *) (intptr_t) &Java_sun_misc_Unsafe_compareAndSwapObject },
{ "compareAndSwapInt", "(Ljava/lang/Object;JII)Z", (void *) (intptr_t) &Java_sun_misc_Unsafe_compareAndSwapInt },
{ "compareAndSwapLong", "(Ljava/lang/Object;JJJ)Z", (void *) (intptr_t) &Java_sun_misc_Unsafe_compareAndSwapLong },
{ "getObjectVolatile", "(Ljava/lang/Object;J)Ljava/lang/Object;", (void *) (intptr_t) &Java_sun_misc_Unsafe_getObjectVolatile },
{ "getIntVolatile", "(Ljava/lang/Object;J)I", (void *) (intptr_t) &Java_sun_misc_Unsafe_getIntVolatile },
+ { "getLongVolatile", "(Ljava/lang/Object;J)J", (void *) (intptr_t) &Java_sun_misc_Unsafe_getLongVolatile },
{ "unpark", "(Ljava/lang/Object;)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_unpark },
{ "park", "(ZJ)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_park },
};
}
+/*
+ * Class: sun/misc/Unsafe
+ * Method: putShort
+ * Signature: (Ljava/lang/Object;JS)V
+ */
+JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putShort__Ljava_lang_Object_2JS(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, int32_t x)
+{
+ int32_t *p;
+
+ p = (int32_t *) (((uint8_t *) o) + offset);
+
+ *p = x;
+}
+
+
/*
* Class: sun/misc/Unsafe
* Method: getChar
}
+/*
+ * Class: sun/misc/Unsafe
+ * Method: putFloat
+ * Signature: (Ljava/lang/Object;JF)V
+ */
+JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putFloat__Ljava_lang_Object_2JF(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, float x)
+{
+ float *p;
+
+ p = (float *) (((uint8_t *) o) + offset);
+
+ *p = x;
+}
+
+
/*
* Class: sun/misc/Unsafe
* Method: getByte
}
+/*
+ * Class: sun/misc/Unsafe
+ * Method: putInt
+ * Signature: (JI)V
+ */
+JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putInt__JI(JNIEnv *env, struct sun_misc_Unsafe* this, int64_t address, int32_t value)
+{
+ int32_t *p;
+
+ p = (int32_t *) (intptr_t) address;
+
+ *p = value;
+}
+
+
/*
* Class: sun/misc/Unsafe
* Method: getLong
}
+/*
+ * Class: sun/misc/Unsafe
+ * Method: pageSize
+ * Signature: ()I
+ */
+JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_pageSize(JNIEnv *env, sun_misc_Unsafe *this)
+{
+ int sz;
+
+ sz = getpagesize();
+
+ return sz;
+}
+
+
/*
* Class: sun/misc/Unsafe
* Method: defineClass
/* define the class */
- c = class_define(utfname, cl, len, (const uint8_t *) &b->data[off]);
+ c = class_define(utfname, cl, len, (const uint8_t *) &b->data[off],
+ protectionDomain);
if (c == NULL)
return NULL;
}
+/*
+ * Class: sun/misc/Unsafe
+ * Method: allocateInstance
+ * Signature: (Ljava/lang/Class;)Ljava/lang/Object;
+ */
+JNIEXPORT java_lang_Object* JNICALL Java_sun_misc_Unsafe_allocateInstance(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Class *cls)
+{
+ classinfo *c;
+ java_object_t *o;
+
+ c = LLNI_classinfo_unwrap(cls);
+
+ o = builtin_new(c);
+
+ return (java_lang_Object *) o;
+}
+
+
/*
* Class: sun/misc/Unsafe
* Method: throwException
}
+/*
+ * Class: sun/misc/Unsafe
+ * Method: getLongVolatile
+ * Signature: (Ljava/lang/Object;J)J
+ */
+JNIEXPORT int64_t JNICALL Java_sun_misc_Unsafe_getLongVolatile(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset)
+{
+ volatile int64_t *p;
+ volatile int64_t value;
+
+ p = (volatile int64_t *) (((uint8_t *) o) + offset);
+
+ value = *p;
+
+ return value;
+}
+
+
/*
* Class: sun/misc/Unsafe
* Method: unpark
projects / cacao.git / commitdiff