Partition hip_hcc into sections

Separate files for different categories of HIP API.
Currently just #include into hip_hcc.cpp


[ROCm/hip commit: 655534b1ba]

projects/hip/src/hip_error.cpp

@@ -0,0 +1,75 @@
+//-------------------------------------------------------------------------------------------------
+//-------------------------------------------------------------------------------------------------
+// Error Handling
+//---
+/**
+ * @returns return code from last HIP called from the active host thread.
+ */
+hipError_t hipGetLastError()
+{
+    HIP_INIT_API();
+
+    // Return last error, but then reset the state:
+    hipError_t e = ihipLogStatus(tls_lastHipError);
+    tls_lastHipError = hipSuccess;
+    return e;
+}
+
+
+//---
+hipError_t hipPeakAtLastError()
+{
+    HIP_INIT_API();
+
+   
+    // peak at last error, but don't reset it. 
+    return ihipLogStatus(tls_lastHipError);
+}
+
+
+const char *ihipErrorString(hipError_t hip_error)
+{
+    switch (hip_error) {
+        case hipSuccess                     : return "hipSuccess";
+        case hipErrorMemoryAllocation       : return "hipErrorMemoryAllocation";
+        case hipErrorMemoryFree             : return "hipErrorMemoryFree";
+        case hipErrorUnknownSymbol          : return "hipErrorUnknownSymbol";
+        case hipErrorOutOfResources         : return "hipErrorOutOfResources";
+        case hipErrorInvalidValue           : return "hipErrorInvalidValue";
+        case hipErrorInvalidResourceHandle  : return "hipErrorInvalidResourceHandle";
+        case hipErrorInvalidDevice          : return "hipErrorInvalidDevice";
+        case hipErrorInvalidMemcpyDirection : return "hipErrorInvalidMemcpyDirection";
+        case hipErrorNoDevice               : return "hipErrorNoDevice";
+        case hipErrorNotReady               : return "hipErrorNotReady";
+        case hipErrorRuntimeMemory          : return "hipErrorRuntimeMemory";
+        case hipErrorRuntimeOther           : return "hipErrorRuntimeOther";
+        case hipErrorUnknown                : return "hipErrorUnknown";
+        case hipErrorTbd                    : return "hipErrorTbd";
+        default                             : return "hipErrorUnknown";
+    };
+};
+
+
+
+//---
+const char *hipGetErrorName(hipError_t hip_error)
+{
+    HIP_INIT_API(hip_error);
+
+    return ihipErrorString(hip_error);
+}
+
+
+/**
+ * @warning : hipGetErrorString returns string from hipGetErrorName
+ */
+
+//---
+const char *hipGetErrorString(hipError_t hip_error)
+{
+    std::call_once(hip_initialized, ihipInit);
+
+    // TODO - return a message explaining the error.
+    // TODO - This should be set up to return the same string reported in the the doxygen comments, somehow.
+    return hipGetErrorName(hip_error);
+}