Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
- $Id: jvm.c 8262 2007-08-06 12:44:01Z panzi $
-
*/
#include "mm/memory.h"
#include "native/jni.h"
+#include "native/llni.h"
#include "native/native.h"
#include "native/include/java_lang_AssertionStatusDirectives.h"
#include "native/vm/java_lang_ClassLoader.h"
#include "native/vm/java_lang_Object.h"
#include "native/vm/java_lang_Runtime.h"
-#include "native/vm/java_lang_String.h"
#include "native/vm/java_lang_Thread.h"
#include "native/vm/java_lang_reflect_Constructor.h"
#include "native/vm/java_lang_reflect_Method.h"
#include "native/vm/reflect.h"
#include "threads/lock-common.h"
+#include "threads/threads-common.h"
#include "toolbox/logging.h"
+#include "vm/array.h"
#include "vm/builtin.h"
#include "vm/exceptions.h"
+#include "vm/global.h"
#include "vm/initialize.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 "vm/resolve.h"
#include "vm/jit/stacktrace.h"
#include "vmcore/classcache.h"
#include "vmcore/options.h"
-#include "vmcore/primitive.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
void JVM_ArrayCopy(JNIEnv *env, jclass ignored, jobject src, jint src_pos, jobject dst, jint dst_pos, jint length)
{
- java_arrayheader *s;
- java_arrayheader *d;
+ java_handle_t *s;
+ java_handle_t *d;
- s = (java_arrayheader *) src;
- d = (java_arrayheader *) dst;
+ s = (java_handle_t *) src;
+ d = (java_handle_t *) dst;
#if PRINTJVM
log_println("JVM_ArrayCopy: src=%p, src_pos=%d, dst=%p, dst_pos=%d, length=%d", src, src_pos, dst, dst_pos, length);
#if PRINTJVM
log_println("JVM_InitProperties: properties=%d", properties);
#endif
- properties_system_add_all((java_objectheader *) properties);
+ properties_system_add_all((java_handle_t *) properties);
}
void JVM_GC(void)
{
-#if PRINTJVM
- log_println("JVM_GC");
-#endif
- _Jv_java_lang_Runtime_gc();
+ TRACEJVMCALLS("JVM_GC()");
+
+ gc_call();
}
jlong JVM_TotalMemory(void)
{
-#if PRINTJVM
- log_println("JVM_TotalMemory");
-#endif
- return _Jv_java_lang_Runtime_totalMemory();
+ TRACEJVMCALLS("JVM_TotalMemory()");
+
+ return gc_get_heap_size();
}
jlong JVM_FreeMemory(void)
{
-#if PRINTJVM
- log_println("JVM_FreeMemory");
-#endif
- return _Jv_java_lang_Runtime_freeMemory();
+ TRACEJVMCALLS("JVM_FreeMemory()");
+
+ return gc_get_free_bytes();
}
jlong JVM_MaxMemory(void)
{
- log_println("JVM_MaxMemory: IMPLEMENT ME!");
+ TRACEJVMCALLS("JVM_MaxMemory()");
+
+ return gc_get_max_heap_size();
}
/* get declaring class name */
declaringclass =
- _Jv_java_lang_Class_getName((java_lang_Class *) ste->method->class);
+ _Jv_java_lang_Class_getName(LLNI_classinfo_wrap(ste->method->class));
/* fill the java.lang.StackTraceElement element */
#if PRINTJVM
log_println("JVM_Clone: handle=%p", handle);
#endif
- return (jobject) builtin_clone(env, (java_objectheader *) handle);
+ return (jobject) builtin_clone(env, (java_handle_t *) handle);
}
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;
jclass JVM_GetCallerClass(JNIEnv* env, int depth)
{
- java_objectarray *oa;
+ 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();
/* JVM_FindPrimitiveClass */
-jclass JVM_FindPrimitiveClass(JNIEnv* env, const char* utf)
+jclass JVM_FindPrimitiveClass(JNIEnv* env, const char* s)
{
-#if PRINTVM
- log_println("JVM_FindPrimitiveClass: utf=%s", utf);
-#endif
- return (jclass) primitive_class_get_by_name(utf_new_char(utf));
+ classinfo *c;
+ utf *u;
+
+ TRACEJVMCALLS("JVM_FindPrimitiveClass(env=%p, s=%s)", env, s);
+
+ u = utf_new_char(s);
+ c = primitive_class_get_by_name(u);
+
+ 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), (java_objectheader *) loader);
+ c = load_class_from_classloader(u, cl);
if (c == NULL)
return NULL;
if (!initialize_class(c))
return NULL;
- return (jclass) 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;
+
+ 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 */
- return (jclass) class_define(utf_new_char(name), (java_objectheader *) loader, len, (u1 *) buf);
+ 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_objectheader *) name, true);
+ u = javastring_toutf((java_handle_t *) name, true);
c = classcache_lookup(cl, u);
- return (jclass) c;
+ return (jclass) LLNI_classinfo_wrap(c);
}
jobjectArray JVM_GetClassInterfaces(JNIEnv *env, jclass cls)
{
-#if PRINTJVM
- log_println("JVM_GetClassInterfaces: cls=%p", cls);
-#endif
- return (jobjectArray) _Jv_java_lang_Class_getInterfaces((java_lang_Class *) cls);
+ classinfo *c;
+ java_handle_objectarray_t *oa;
+
+ TRACEJVMCALLS("JVM_GetClassInterfaces(env=%p, cls=%p)", env, cls);
+
+ c = LLNI_classinfo_unwrap(cls);
+
+ oa = class_get_interfaces(c);
+
+ return (jobjectArray) oa;
}
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);
}
log_println("JVM_IsInterface: cls=%p", cls);
#endif
- c = (classinfo *) cls;
+ c = LLNI_classinfo_unwrap(cls);
return class_is_interface(c);
}
{
classinfo *c;
-#if PRINTJVM || 1
- log_println("JVM_GetProtectionDomain: cls=%p");
-#endif
+ TRACEJVMCALLS("JVM_GetProtectionDomain(env=%p, cls=%p)", env, cls);
- c = (classinfo *) cls;
+ c = LLNI_classinfo_unwrap(cls);
if (c == NULL) {
exceptions_throw_nullpointerexception();
if (class_is_primitive(c))
return NULL;
+
+ return (jobject) c->protectiondomain;
}
jobject JVM_DoPrivileged(JNIEnv *env, jclass cls, jobject action, jobject context, jboolean wrapException)
{
- java_objectheader *o;
- classinfo *c;
- methodinfo *m;
- java_objectheader *result;
- java_objectheader *e;
+ java_handle_t *o;
+ classinfo *c;
+ methodinfo *m;
+ java_handle_t *result;
+ java_handle_t *e;
#if PRINTJVM
log_println("JVM_DoPrivileged: action=%p, context=%p, wrapException=%d", action, context, wrapException);
#endif
- o = (java_objectheader *) action;
+ o = (java_handle_t *) action;
c = o->vftbl->class;
if (action == NULL) {
#if PRINTJVM
log_println("JVM_IsArrayClass: cls=%p", cls);
#endif
- return class_is_array((classinfo *) cls);
+ return class_is_array(LLNI_classinfo_unwrap(cls));
}
{
classinfo *c;
- c = (classinfo *) cls;
+ c = LLNI_classinfo_unwrap(cls);
#if PRINTJVM
log_println("JVM_IsPrimitiveClass(cls=%p)", cls);
jclass JVM_GetComponentType(JNIEnv *env, jclass cls)
{
-#if PRINTJVM
- log_println("JVM_GetComponentType: cls=%p", cls);
-#endif
- return (jclass) _Jv_java_lang_Class_getComponentType((java_lang_Class *) cls);
+ classinfo *component;
+ classinfo *c;
+
+ TRACEJVMCALLS("JVM_GetComponentType(env=%p, cls=%p)", env, cls);
+
+ c = LLNI_classinfo_unwrap(cls);
+
+ component = class_get_componenttype(c);
+
+ return (jclass) LLNI_classinfo_wrap(component);
}
log_println("JVM_GetClassModifiers: cls=%p", cls);
#endif
- c = (classinfo *) cls;
+ c = LLNI_classinfo_unwrap(cls);
/* XXX is this correct? */
jobjectArray JVM_GetDeclaredClasses(JNIEnv *env, jclass ofClass)
{
- java_lang_Class *c = (java_lang_Class*)ofClass;
+ classinfo *c;
+ java_handle_objectarray_t *oa;
- TRACEJVMCALLS("JVM_GetDeclaredClasses: ofClass=%p", ofClass);
+ TRACEJVMCALLS("JVM_GetDeclaredClasses(env=%p, ofClass=%p)", env, ofClass);
- if(c == NULL) {
- exceptions_throw_nullpointerexception();
- return NULL;
- }
+ c = LLNI_classinfo_unwrap(ofClass);
+
+ oa = class_get_declaredclasses(c, false);
- return (jobjectArray)_Jv_java_lang_Class_getDeclaredClasses(c, false);
+ return (jobjectArray) oa;
}
jclass JVM_GetDeclaringClass(JNIEnv *env, jclass ofClass)
{
- classinfo *c = (classinfo*)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 (jclass)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;
}
jbyteArray JVM_GetClassAnnotations(JNIEnv *env, jclass cls)
{
-#if defined(ENABLE_ANNOTATIONS)
- classinfo *c = (classinfo*)cls;
- java_bytearray *annotations = NULL;
+ classinfo *c = NULL;
+ java_handle_bytearray_t *annotations = NULL;
TRACEJVMCALLS("JVM_GetClassAnnotations: cls=%p", cls);
exceptions_throw_nullpointerexception();
return NULL;
}
+
+ c = LLNI_classinfo_unwrap(cls);
- /* Return null for arrays and primitives: */
- if(class_is_primitive(c) || class_is_array(c))
- {
- return NULL;
- }
-
- if(c->annotations != NULL)
- {
- uint32_t size = c->annotations->size;
- annotations = builtin_newarray_byte(size);
-
- if(annotations != NULL)
- {
- MCOPY(annotations->data, c->annotations->data, uint8_t, size);
- }
- }
+ /* get annotations: */
+ annotations = class_get_annotations(c);
return (jbyteArray)annotations;
-#else
- log_println("JVM_GetClassAnnotations: cls=%p, not implemented in this configuration!", cls);
- return NULL;
-#endif
}
jbyteArray JVM_GetFieldAnnotations(JNIEnv *env, jobject field)
{
java_lang_reflect_Field *rf = (java_lang_reflect_Field*)field;
+ java_handle_bytearray_t *ba = NULL;
TRACEJVMCALLS("JVM_GetFieldAnnotations: field=%p", field);
return NULL;
}
- return (jbyteArray)rf->annotations;
+ LLNI_field_get_ref(rf, annotations, ba);
+
+ return (jbyteArray)ba;
}
jbyteArray JVM_GetMethodAnnotations(JNIEnv *env, jobject method)
{
java_lang_reflect_Method *rm = (java_lang_reflect_Method*)method;
+ java_handle_bytearray_t *ba = NULL;
TRACEJVMCALLS("JVM_GetMethodAnnotations: method=%p", method);
return NULL;
}
- return (jbyteArray)rm->annotations;
+ LLNI_field_get_ref(rm, annotations, ba);
+
+ return (jbyteArray)ba;
}
jbyteArray JVM_GetMethodDefaultAnnotationValue(JNIEnv *env, jobject method)
{
java_lang_reflect_Method *rm = (java_lang_reflect_Method*)method;
+ java_handle_bytearray_t *ba = NULL;
TRACEJVMCALLS("JVM_GetMethodDefaultAnnotationValue: method=%p", method);
return NULL;
}
- return (jbyteArray)rm->annotationDefault;
+ LLNI_field_get_ref(rm, annotationDefault, ba);
+
+ return (jbyteArray)ba;
}
jbyteArray JVM_GetMethodParameterAnnotations(JNIEnv *env, jobject method)
{
java_lang_reflect_Method *rm = (java_lang_reflect_Method*)method;
+ java_handle_bytearray_t *ba = NULL;
TRACEJVMCALLS("JVM_GetMethodParameterAnnotations: method=%p", method);
return NULL;
}
- return (jbyteArray)rm->parameterAnnotations;
+ LLNI_field_get_ref(rm, parameterAnnotations, ba);
+
+ return (jbyteArray)ba;
}
log_println("JVM_GetClassAccessFlags: cls=%p", cls);
#endif
- c = (classinfo *) cls;
+ c = LLNI_classinfo_unwrap(cls);
return c->flags & ACC_CLASS_REFLECT_MASK;
}
jobject JVM_GetClassConstantPool(JNIEnv *env, jclass cls)
{
#if defined(ENABLE_ANNOTATIONS)
- sun_reflect_ConstantPool *constantPool = NULL;
+ sun_reflect_ConstantPool *constantPool = NULL;
+ java_lang_Object *constantPoolOop = (java_lang_Object*)cls;
- TRACEJVMCALLS("JVM_GetClassConstantPool: cls=%p", cls);
-
- assert(cls != NULL);
+ TRACEJVMCALLS("JVM_GetClassConstantPool(env=%p, cls=%p)", env, cls);
constantPool =
(sun_reflect_ConstantPool*)native_new_and_init(
return NULL;
}
- constantPool->constantPoolOop = (java_lang_Object*)cls;
+ LLNI_field_set_ref(constantPool, constantPoolOop, constantPoolOop);
+
return (jobject)constantPool;
#else
- log_println("JVM_GetClassConstantPool: cls=%p, not implemented in this configuration!", cls);
+ log_println("JVM_GetClassConstantPool(env=%p, cls=%p): not implemented in this configuration!", env, cls);
return NULL;
#endif
}
jint JVM_ConstantPoolGetSize(JNIEnv *env, jobject unused, jobject jcpool)
{
- classinfo *cls = (classinfo*)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 = (classinfo*)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 (jclass)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 = (classinfo*)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 (jclass)c;
+ return (jclass) LLNI_classinfo_wrap(result);
}
jobject JVM_ConstantPoolGetMethodAt(JNIEnv *env, jobject unused, jobject jcpool, jint index)
{
constant_FMIref *ref;
- classinfo *cls = (classinfo*)jcpool;
+ classinfo *cls = LLNI_classinfo_unwrap(jcpool);
TRACEJVMCALLS("JVM_ConstantPoolGetMethodAt: jcpool=%p, index=%d", jcpool, index);
{
constant_FMIref *ref;
classinfo *c = NULL;
- classinfo *cls = (classinfo*)jcpool;
+ classinfo *cls = LLNI_classinfo_unwrap(jcpool);
TRACEJVMCALLS("JVM_ConstantPoolGetMethodAtIfLoaded: jcpool=%p, index=%d", jcpool, index);
return NULL;
}
- if (!resolve_classref(NULL,ref->p.classref,resolveLazy,true,true,&c)) {
+ if (!resolve_classref(NULL, ref->p.classref, resolveLazy, true, true, &c)) {
return NULL;
}
jobject JVM_ConstantPoolGetFieldAt(JNIEnv *env, jobject unused, jobject jcpool, jint index)
{
constant_FMIref *ref;
- classinfo *cls = (classinfo*)jcpool;
+ classinfo *cls = LLNI_classinfo_unwrap(jcpool);
TRACEJVMCALLS("JVM_ConstantPoolGetFieldAt: jcpool=%p, index=%d", jcpool, index);
{
constant_FMIref *ref;
classinfo *c;
- classinfo *cls = (classinfo*)jcpool;
+ classinfo *cls = LLNI_classinfo_unwrap(jcpool);
TRACEJVMCALLS("JVM_ConstantPoolGetFieldAtIfLoaded: jcpool=%p, index=%d", jcpool, index);
- ref = (constant_FMIref*)class_getconstant(
- (classinfo*)cls, index, CONSTANT_Fieldref);
+ ref = (constant_FMIref*)class_getconstant(cls, index, CONSTANT_Fieldref);
if (ref == NULL) {
return NULL;
}
- if (!resolve_classref(NULL,ref->p.classref,resolveLazy,true,true,&c)) {
+ if (!resolve_classref(NULL, ref->p.classref, resolveLazy, true, true, &c)) {
return NULL;
}
jint JVM_ConstantPoolGetIntAt(JNIEnv *env, jobject unused, jobject jcpool, jint index)
{
constant_integer *ref;
- classinfo *cls = (classinfo*)jcpool;
+ classinfo *cls = LLNI_classinfo_unwrap(jcpool);
TRACEJVMCALLS("JVM_ConstantPoolGetIntAt: jcpool=%p, index=%d", jcpool, index);
jlong JVM_ConstantPoolGetLongAt(JNIEnv *env, jobject unused, jobject jcpool, jint index)
{
constant_long *ref;
- classinfo *cls = (classinfo*)jcpool;
+ classinfo *cls = LLNI_classinfo_unwrap(jcpool);
TRACEJVMCALLS("JVM_ConstantPoolGetLongAt: jcpool=%p, index=%d", jcpool, index);
jfloat JVM_ConstantPoolGetFloatAt(JNIEnv *env, jobject unused, jobject jcpool, jint index)
{
constant_float *ref;
- classinfo *cls = (classinfo*)jcpool;
+ classinfo *cls = LLNI_classinfo_unwrap(jcpool);
TRACEJVMCALLS("JVM_ConstantPoolGetFloatAt: jcpool=%p, index=%d", jcpool, index);
jdouble JVM_ConstantPoolGetDoubleAt(JNIEnv *env, jobject unused, jobject jcpool, jint index)
{
constant_double *ref;
- classinfo *cls = (classinfo*)jcpool;
+ classinfo *cls = LLNI_classinfo_unwrap(jcpool);
TRACEJVMCALLS("JVM_ConstantPoolGetDoubleAt: jcpool=%p, index=%d", jcpool, index);
jstring JVM_ConstantPoolGetStringAt(JNIEnv *env, jobject unused, jobject jcpool, jint index)
{
utf *ref;
- classinfo *cls = (classinfo*)jcpool;
+ classinfo *cls = LLNI_classinfo_unwrap(jcpool);
TRACEJVMCALLS("JVM_ConstantPoolGetStringAt: jcpool=%p, index=%d", jcpool, index);
}
/* XXX: I hope literalstring_new is the right Function. */
- return (java_lang_String*)literalstring_new(ref);
+ return (jstring)literalstring_new(ref);
}
jstring JVM_ConstantPoolGetUTF8At(JNIEnv *env, jobject unused, jobject jcpool, jint index)
{
utf *ref;
- classinfo *cls = (classinfo*)jcpool;
+ classinfo *cls = LLNI_classinfo_unwrap(jcpool);
TRACEJVMCALLS("JVM_ConstantPoolGetUTF8At: jcpool=%p, index=%d", jcpool, index);
}
/* XXX: I hope literalstring_new is the right Function. */
- return (java_lang_String*)literalstring_new(ref);
+ return (jstring)literalstring_new(ref);
}
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;
}
jobject JVM_AssertionStatusDirectives(JNIEnv *env, jclass unused)
{
- classinfo *c;
+ classinfo *c;
java_lang_AssertionStatusDirectives *o;
- java_objectarray *classes;
- java_objectarray *packages;
+ java_handle_objectarray_t *classes;
+ java_handle_objectarray_t *packages;
#if PRINTJVM || 1
log_println("JVM_AssertionStatusDirectives");
jint JVM_Available(jint fd, jlong *pbytes)
{
- TRACEJVMCALLS("JVM_Available(fd=%d, pbytes=%p)", fd, pbytes);
-
#if defined(FIONREAD)
- if (ioctl(fd, FIONREAD, pbytes) < 0)
- return 0;
+ int bytes;
- return 1;
-#elif defined(HAVE_FSTAT)
- struct stat statBuffer;
- off_t n;
- int result;
+ TRACEJVMCALLS("JVM_Available(fd=%d, pbytes=%p)", fd, pbytes);
*pbytes = 0;
- if ((fstat(fd, &statBuffer) == 0) && S_ISREG (statBuffer.st_mode)) {
- n = lseek (fd, 0, SEEK_CUR);
+ if (ioctl(fd, FIONREAD, &bytes) < 0)
+ return 0;
- 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 = bytes;
- *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;
+ return 1;
#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: IMPLEMENT ME!");
+ log_println("JVM_GetSystemPackage(env=%p, name=%p)");
+ javastring_print((java_handle_t *) name);
+ printf("\n");
+
+ return NULL;
}
jint JVM_GetArrayLength(JNIEnv *env, jobject arr)
{
- java_arrayheader *a;
+ java_handle_t *a;
TRACEJVMCALLS("JVM_GetArrayLength(arr=%p)", arr);
- a = (java_arrayheader *) arr;
-
- if (a == NULL) {
- exceptions_throw_nullpointerexception();
- return 0;
- }
+ a = (java_handle_t *) arr;
- if (!class_is_array(a->objheader.vftbl->class)) {
-/* exceptions_throw_illegalargumentexception("Argument is not an array"); */
- exceptions_throw_illegalargumentexception();
- return 0;
- }
-
- return a->size;
+ return array_length_get(a);
}
jobject JVM_GetArrayElement(JNIEnv *env, jobject arr, jint index)
{
-/* log_println("JVM_GetArrayElement: IMPLEMENT ME!"); */
+ java_handle_t *a;
+ java_handle_t *o;
- java_arrayheader *a;
- java_objectheader *o = NULL;
+ TRACEJVMCALLS("JVM_GetArrayElement(env=%p, arr=%p, index=%d)", env, arr, index);
- TRACEJVMCALLS("JVM_GetArrayElement: arr=%p, index=%d", arr, index);
+ a = (java_handle_t *) arr;
- a = (java_arrayheader *) arr;
+/* if (!class_is_array(a->objheader.vftbl->class)) { */
+/* exceptions_throw_illegalargumentexception(); */
+/* return NULL; */
+/* } */
- if (a == NULL) {
- exceptions_throw_nullpointerexception();
- return NULL;
- }
+ o = array_element_get(a, index);
- if (!class_is_array(a->objheader.vftbl->class)) {
- exceptions_throw_illegalargumentexception();
- return NULL;
- }
-
- if (index < 0 || index > a->size ) {
- exceptions_new_arrayindexoutofboundsexception(index);
- return NULL;
- }
-
- switch (a->objheader.vftbl->arraydesc->arraytype) {
- case ARRAYTYPE_INT:
- o = builtin_new(class_java_lang_Integer);
- if (o != NULL)
- ((java_lang_Integer*)o)->value = ((java_intarray*)a)->data[index];
- break;
- case ARRAYTYPE_LONG:
- o = builtin_new(class_java_lang_Long);
- if (o != NULL)
- ((java_lang_Long*)o)->value = ((java_longarray*)a)->data[index];
- break;
- case ARRAYTYPE_FLOAT:
- o = builtin_new(class_java_lang_Float);
- if (o != NULL)
- ((java_lang_Float*)o)->value = ((java_floatarray*)a)->data[index];
- break;
- case ARRAYTYPE_DOUBLE:
- o = builtin_new(class_java_lang_Double);
- if (o != NULL)
- ((java_lang_Double*)o)->value = ((java_doublearray*)a)->data[index];
- break;
- case ARRAYTYPE_BYTE:
- o = builtin_new(class_java_lang_Byte);
- if (o != NULL)
- ((java_lang_Byte*)o)->value = ((java_bytearray*)a)->data[index];
- break;
- case ARRAYTYPE_CHAR:
- o = builtin_new(class_java_lang_Character);
- if (o != NULL)
- ((java_lang_Character*)o)->value = ((java_chararray*)a)->data[index];
- break;
- case ARRAYTYPE_SHORT:
- o = builtin_new(class_java_lang_Short);
- if (o != NULL)
- ((java_lang_Short*)o)->value = ((java_shortarray*)a)->data[index];
- break;
- case ARRAYTYPE_BOOLEAN:
- o = builtin_new(class_java_lang_Boolean);
- if (o != NULL)
- ((java_lang_Boolean*)o)->value = ((java_booleanarray*)a)->data[index];
- break;
- case ARRAYTYPE_OBJECT:
- o = ((java_objectarray*)a)->data[index];
- break;
- }
-
- return (jobject)o;
+ return (jobject) o;
}
void JVM_SetArrayElement(JNIEnv *env, jobject arr, jint index, jobject val)
{
- log_println("JVM_SetArrayElement: IMPLEMENT ME!");
+ java_handle_t *a;
+ java_handle_t *value;
+
+ 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, value);
}
jobject JVM_NewArray(JNIEnv *env, jclass eltClass, jint length)
{
- classinfo *c;
- classinfo *pc;
- java_arrayheader *a;
- java_objectarray *oa;
+ classinfo *c;
+ classinfo *pc;
+ java_handle_t *a;
+ java_handle_objectarray_t *oa;
- c = (classinfo *) eltClass;
+ TRACEJVMCALLS("JVM_NewArray(env=%p, eltClass=%p, length=%d)", env, eltClass, length);
+
+ c = LLNI_classinfo_unwrap(eltClass);
-#if PRINTJVM
- log_println("JVM_NewArray(eltClass=%p, length=%d)", eltClass, length);
-#endif
/* create primitive or object array */
if (class_is_primitive(c)) {
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:
jstring JVM_InternString(JNIEnv *env, jstring str)
{
-#if PRINTJVM
- log_println("JVM_InternString: str=%p", str);
-#endif
- return (jstring) _Jv_java_lang_String_intern((java_lang_String *) str);
+ TRACEJVMCALLS("JVM_InternString(env=%p, str=%p)", env, str);
+
+ return (jstring) javastring_intern((java_handle_t *) str);
}
JNIEXPORT void* JNICALL JVM_RawMonitorCreate(void)
{
- java_objectheader *o;
+ java_object_t *o;
#if PRINTJVM
log_println("JVM_RawMonitorCreate");
#endif
- o = NEW(java_objectheader);
+ o = NEW(java_object_t);
lock_init_object_lock(o);
#if PRINTJVM
log_println("JVM_RawMonitorDestroy: mon=%p", mon);
#endif
- FREE(mon, java_objectheader);
+ FREE(mon, java_object_t);
}
#if PRINTJVM
log_println("JVM_RawMonitorEnter: mon=%p", mon);
#endif
- (void) lock_monitor_enter((java_objectheader *) mon);
+ (void) lock_monitor_enter((java_object_t *) mon);
return 0;
}
#if PRINTJVM
log_println("JVM_RawMonitorExit: mon=%p", mon);
#endif
- (void) lock_monitor_exit((java_objectheader *) mon);
+ (void) lock_monitor_exit((java_object_t *) mon);
}
#if PRINTJVM
log_println("JVM_InvokeMethod: method=%p, obj=%p, args0=%p", method, obj, args0);
#endif
- return (jobject) _Jv_java_lang_reflect_Method_invoke((java_lang_reflect_Method *) method, (java_lang_Object *) obj, (java_objectarray *) args0);
+ return (jobject) _Jv_java_lang_reflect_Method_invoke((java_lang_reflect_Method *) method, (java_lang_Object *) obj, (java_handle_objectarray_t *) args0);
}
#if PRINTJVM
log_println("JVM_NewInstanceFromConstructor: c=%p, args0=%p", c, args0);
#endif
- return (jobject) _Jv_java_lang_reflect_Constructor_newInstance(env, (java_lang_reflect_Constructor *) c, (java_objectarray *) args0);
+ return (jobject) _Jv_java_lang_reflect_Constructor_newInstance(env, (java_lang_reflect_Constructor *) c, (java_handle_objectarray_t *) args0);
}
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;
}