public boolean copyFromChannel(FileChannel channel, TableStats stats) throws IOException {
if (channel.position() < channel.size()) {
clear();
buffer.clear();
channel.read(buffer);
memorySize = buffer.position();
while (position < memorySize) {
long recordPtr = address + position;
if (remain() < SizeOf.SIZE_OF_INT) {
channel.position(channel.position() - remain());
memorySize = (int) (memorySize - remain());
return true;
}
int recordSize = UNSAFE.getInt(recordPtr);
if (remain() < recordSize) {
channel.position(channel.position() - remain());
memorySize = (int) (memorySize - remain());
return true;
}
position += recordSize;
rowNum++;
}
return true;
} else {
return false;
}
}
public static int getFunctionIndex(LLVMAddress addr) {
int functionIndex = UNSAFE.getInt(LLVMMemory.extractAddr(addr));
return functionIndex;
}
