Cross Reference: /openjdk7/jdk/test/sun/misc/CopyMemory.java

Lines Matching refs:unsafe
26  * @summary Minimal test for unsafe.copyMemory() and unsafe.setMemory()
62     private static void set(Unsafe unsafe, long addr, int ofs, int len, int value) {
64             unsafe.putByte(null, addr + ofs + i, (byte)value);
68     private static void check(Unsafe unsafe, long addr, int ofs, int len, int value) {
70             int r = unsafe.getByte(null, addr + ofs + i) & 0xff;
88     private static void testSetByteArray(Unsafe unsafe) throws Exception {
96             unsafe.setMemory(b, Unsafe.ARRAY_BYTE_BASE_OFFSET + ofs, len, (byte)val);
103     private static void testSetRawMemory(Unsafe unsafe) throws Exception {
107             set(unsafe, b, 0, BUFFER_SIZE, FILLER);
111             unsafe.setMemory(null, b + ofs, len, (byte)val);
112             check(unsafe, b, 0, ofs - 1, FILLER);
113             check(unsafe, b, ofs, len, val);
114             check(unsafe, b, ofs + len, BUFFER_SIZE - (ofs + len), FILLER);
118     private static void testCopyByteArrayToByteArray(Unsafe unsafe) throws Exception {
130             unsafe.copyMemory(b1, Unsafe.ARRAY_BYTE_BASE_OFFSET + ofs,
138     private static void testCopyByteArrayToRawMemory(Unsafe unsafe) throws Exception {
144             set(unsafe, b2, 0, BUFFER_SIZE, FILLER2);
150             unsafe.copyMemory(b1, Unsafe.ARRAY_BYTE_BASE_OFFSET + ofs,
152             check(unsafe, b2, 0, ofs2 - 1, FILLER2);
153             check(unsafe, b2, ofs2, len, val);
154             check(unsafe, b2, ofs2 + len, BUFFER_SIZE - (ofs2 + len), FILLER2);
158     private static void testCopyRawMemoryToByteArray(Unsafe unsafe) throws Exception {
163             set(unsafe, b1, 0, BUFFER_SIZE, FILLER);
168             set(unsafe, b1, ofs, len, val);
170             unsafe.copyMemory(null, b1 + ofs,
178     private static void testCopyRawMemoryToRawMemory(Unsafe unsafe) throws Exception {
183             set(unsafe, b1, 0, BUFFER_SIZE, FILLER);
184             set(unsafe, b2, 0, BUFFER_SIZE, FILLER2);
188             set(unsafe, b1, ofs, len, val);
190             unsafe.copyMemory(null, b1 + ofs,
192             check(unsafe, b2, 0, ofs2 - 1, FILLER2);
193             check(unsafe, b2, ofs2, len, val);
194             check(unsafe, b2, ofs2 + len, BUFFER_SIZE - (ofs2 + len), FILLER2);
205         Unsafe unsafe = getUnsafe();
207         testSetByteArray(unsafe);
208         testSetRawMemory(unsafe);
209         testCopyByteArrayToByteArray(unsafe);
210         testCopyByteArrayToRawMemory(unsafe);
211         testCopyRawMemoryToByteArray(unsafe);
212         testCopyRawMemoryToRawMemory(unsafe);