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-rw-r--r--Tests/CudaOnly/ResolveDeviceSymbols/main.cu85
1 files changed, 85 insertions, 0 deletions
diff --git a/Tests/CudaOnly/ResolveDeviceSymbols/main.cu b/Tests/CudaOnly/ResolveDeviceSymbols/main.cu
new file mode 100644
index 0000000..b4b5b9e
--- /dev/null
+++ b/Tests/CudaOnly/ResolveDeviceSymbols/main.cu
@@ -0,0 +1,85 @@
+
+#include <iostream>
+
+#include "file1.h"
+#include "file2.h"
+
+int file2_launch_kernel(int x);
+
+result_type_dynamic __device__ file2_func(int x);
+static __global__ void main_kernel(result_type_dynamic& r, int x)
+{
+ // call function that was not device linked to us, this will cause
+ // a runtime failure of "invalid device function"
+ r = file2_func(x);
+}
+
+int main_launch_kernel(int x)
+{
+ result_type_dynamic r;
+ main_kernel<<<1, 1>>>(r, x);
+ return r.sum;
+}
+
+int choose_cuda_device()
+{
+ int nDevices = 0;
+ cudaError_t err = cudaGetDeviceCount(&nDevices);
+ if (err != cudaSuccess) {
+ std::cerr << "Failed to retrieve the number of CUDA enabled devices"
+ << std::endl;
+ return 1;
+ }
+ for (int i = 0; i < nDevices; ++i) {
+ cudaDeviceProp prop;
+ cudaError_t err = cudaGetDeviceProperties(&prop, i);
+ if (err != cudaSuccess) {
+ std::cerr << "Could not retrieve properties from CUDA device " << i
+ << std::endl;
+ return 1;
+ }
+ std::cout << "prop.major: " << prop.major << std::endl;
+ if (prop.major >= 3) {
+ err = cudaSetDevice(i);
+ if (err != cudaSuccess) {
+ std::cout << "Could not select CUDA device " << i << std::endl;
+ } else {
+ return 0;
+ }
+ }
+ }
+
+ std::cout << "Could not find a CUDA enabled card supporting compute >=3.0"
+ << std::endl;
+
+ return 1;
+}
+
+int main(int argc, char** argv)
+{
+ int ret = choose_cuda_device();
+ if (ret) {
+ return 0;
+ }
+
+ cudaError_t err;
+ file2_launch_kernel(42);
+ err = cudaGetLastError();
+ if (err != cudaSuccess) {
+ std::cerr << "file2_launch_kernel: kernel launch failed: "
+ << cudaGetErrorString(err) << std::endl;
+ return 1;
+ }
+
+ main_launch_kernel(1);
+ err = cudaGetLastError();
+ if (err == cudaSuccess) {
+ // This kernel launch should fail as the file2_func was device linked
+ // into the static library and is not usable by the executable
+ std::cerr << "main_launch_kernel: kernel launch should have failed"
+ << std::endl;
+ return 1;
+ }
+
+ return 0;
+}