register2.java: New file.

* testsuite/libjava.jni/register2.java: New file.
	* testsuite/libjava.jni/register2.out: New file.
	* testsuite/libjava.jni/register2.c: New file.
	* java/lang/natClass.cc (_Jv_GetClassNameUtf8): New function.
	* java/lang/Class.h (_Jv_GetClassNameUtf8): Declare.
	* jni.cc (struct NativeMethodCacheEntry): New struct.
	(nathash): Changed type.
	(hash): Updated.
	(nathash_find_slot): Likewise.
	(nathash_find): Likewise.
	(natrehash): Likewise.
	(nathash_add): Likewise.
	(_Jv_JNI_RegisterNatives): Likewise.
	(_Jv_LookupJNIMethod): Likewise.
	Idea from Juerg Lehni <juerg@scratchdisk.com>

Co-Authored-By: Bryce McKinlay <mckinlay@redhat.com>

From-SVN: r117867

libjava/testsuite/libjava.jni/register2.c

@@ -0,0 +1,48 @@
+#include <stdlib.h>
+#include <assert.h>
+#include <register2.h>
+
+static int
+twentythree (JNIEnv *env, jclass k)
+{
+  return 23;
+}
+
+static int
+oneninetyseven (JNIEnv *env, jclass k)
+{
+  return 197;
+}
+
+JNIEXPORT jint JNICALL
+JNI_OnLoad (JavaVM *vm, void *nothing)
+{
+  JNIEnv *env;
+  JNINativeMethod meth;
+  jclass k;
+  jint r;
+
+  r = (*vm)->GetEnv (vm, (void **) &env, JNI_VERSION_1_2);
+  assert (r == JNI_OK);
+  k = (*env)->FindClass (env, "register2$I1");
+  assert (k != NULL);
+
+  meth.name = "doit";
+  meth.signature = "()I";
+  meth.fnPtr = twentythree;
+
+  r = (*env)->RegisterNatives (env, k, &meth, 1);
+  assert (r == JNI_OK);
+
+  k = (*env)->FindClass (env, "register2$I2");
+  assert (k != NULL);
+
+  meth.name = "doit";
+  meth.signature = "()I";
+  meth.fnPtr = oneninetyseven;
+
+  r = (*env)->RegisterNatives (env, k, &meth, 1);
+  assert (r == JNI_OK);
+
+  return JNI_VERSION_1_2;
+}

libjava/testsuite/libjava.jni/register2.java

@@ -0,0 +1,27 @@
+// Another test of RegisterNatives.
+// We neglected to track the class name in our internal hash table.
+// This is a regression test for the fix.
+
+public class register2
+{
+  static
+  {
+    System.loadLibrary ("register2");
+  }
+
+  static class I1
+  {
+    public static native int doit ();
+  }
+
+  static class I2
+  {
+    public static native int doit ();
+  }
+
+  public static void main (String[] args)
+  {
+    System.out.println (new I1().doit());
+    System.out.println (new I2().doit());
+  }
+}

libjava/testsuite/libjava.jni/register2.out

@@ -0,0 +1,2 @@
+23
+197