Added feature for memcpy to Symbol

1. Currently works only for __attribute__((addrspace(1))
2. Need to pass in string for name of the variable
3. Added test to check functionality

Change-Id: I4c3cc1bf151cb5423e4aef59fcc4ad5693b31641

tests/src/deviceLib/hipTestDeviceSymbol.cpp

@@ -0,0 +1,54 @@
+/*
+Copyright (c) 2015-2016 Advanced Micro Devices, Inc. All rights reserved.
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+#include<hip/hip_runtime.h>
+#include<hip/hip_runtime_api.h>
+#include<iostream>
+
+#define NUM 1024
+#define SIZE 1024*4
+
+__attribute__((address_space(1))) int global[NUM];
+
+
+__global__ void Assign(hipLaunchParm lp, int* Out)
+{
+    int tid = hipThreadIdx_x + hipBlockIdx_x * hipBlockDim_x;
+    Out[tid] = global[tid];
+}
+
+int main()
+{
+    int *A, *B, *Ad;
+    A = new int[NUM];
+    B = new int[NUM];
+    for(unsigned i=0;i<NUM;i++)
+    {
+        A[i] = -1*i;
+        B[i] = 0;
+    }
+
+    hipMalloc((void**)&Ad, SIZE);
+    hipMemcpyToSymbol("global", A, SIZE, 0, hipMemcpyHostToDevice);
+    hipLaunchKernel(Assign, dim3(1,1,1), dim3(NUM,1,1), 0, 0, Ad);
+    hipMemcpy(B, Ad, SIZE, hipMemcpyDeviceToHost);
+    for(unsigned i=0;i<NUM;i++) {
+        assert(A[i] == B[i]);
+    }
+}