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prims.cc (_Jv_NewObjectArray): Use _Jv_GetArrayElementFromElementType.

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* prims.cc (_Jv_NewObjectArray): Use
	_Jv_GetArrayElementFromElementType.
	(_Jv_NewPrimArray): Likewise.
	* java/lang/natObject.cc (clone): Use
	_Jv_GetArrayElementFromElementType instead of sizeof.
	* java/lang/natSystem.cc (arraycopy): Use
	_Jv_GetArrayElementFromElementType.
	* include/jvm.h (_Jv_GetArrayElementFromElementType): New
	function.

From-SVN: r30655
This commit is contained in:
Tom Tromey 1999-11-25 00:36:51 +00:00 • committed by Tom Tromey
parent fc39d37108
commit 93d4556218
5 changed files with 63 additions and 51 deletions
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30
libjava/include/jvm.h
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@ -114,6 +114,36 @@ _Jv_HashCode (jobject obj)
return (jint) obj;
}
// Return a raw pointer to the elements of an array given the array
// and its element type. You might think we could just pick a single
// array type and use elements() on it, but we can't because we must
// account for alignment of the element type.
inline char *
_Jv_GetArrayElementFromElementType (jobject array,
jclass element_type)
{
char *elts;
if (element_type == JvPrimClass (byte))
elts = (char *) elements ((jbyteArray) array);
else if (element_type == JvPrimClass (short))
elts = (char *) elements ((jshortArray) array);
else if (element_type == JvPrimClass (int))
elts = (char *) elements ((jintArray) array);
else if (element_type == JvPrimClass (long))
elts = (char *) elements ((jlongArray) array);
else if (element_type == JvPrimClass (boolean))
elts = (char *) elements ((jbooleanArray) array);
else if (element_type == JvPrimClass (char))
elts = (char *) elements ((jcharArray) array);
else if (element_type == JvPrimClass (float))
elts = (char *) elements ((jfloatArray) array);
else if (element_type == JvPrimClass (double))
elts = (char *) elements ((jdoubleArray) array);
else
elts = (char *) elements ((jobjectArray) array);
return elts;
}
extern "C" void _Jv_ThrowBadArrayIndex (jint bad_index);
extern "C" jobject _Jv_NewArray (jint type, jint size);
extern "C" jobject _Jv_NewMultiArray (jclass klass, jint dims, ...);