| //===--- amdgpu/impl/interop_hsa.cpp ------------------------------ C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| #include "interop_hsa.h" |
| #include "internal.h" |
| |
| hsa_status_t interop_hsa_get_symbol_info( |
| const std::map<std::string, atl_symbol_info_t> &SymbolInfoTable, |
| int DeviceId, const char *symbol, void **var_addr, unsigned int *var_size) { |
| /* |
| // Typical usage: |
| void *var_addr; |
| size_t var_size; |
| interop_hsa_get_symbol_addr(gpu_place, "symbol_name", &var_addr, |
| &var_size); |
| impl_memcpy(signal, host_add, var_addr, var_size); |
| */ |
| |
| if (!symbol || !var_addr || !var_size) |
| return HSA_STATUS_ERROR; |
| |
| // get the symbol info |
| std::string symbolStr = std::string(symbol); |
| auto It = SymbolInfoTable.find(symbolStr); |
| if (It != SymbolInfoTable.end()) { |
| atl_symbol_info_t info = It->second; |
| *var_addr = reinterpret_cast<void *>(info.addr); |
| *var_size = info.size; |
| return HSA_STATUS_SUCCESS; |
| } else { |
| *var_addr = NULL; |
| *var_size = 0; |
| return HSA_STATUS_ERROR; |
| } |
| } |