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