Matteo Martincigh | d73cecb | 2019-07-24 09:15:00 +0100 | [diff] [blame] | 1 | // |
| 2 | // Copyright © 2017 Arm Ltd. All rights reserved. |
| 3 | // SPDX-License-Identifier: MIT |
| 4 | // |
| 5 | |
| 6 | #include "DynamicBackendUtils.hpp" |
| 7 | |
| 8 | namespace armnn |
| 9 | { |
| 10 | |
| 11 | void* DynamicBackendUtils::OpenHandle(const std::string& sharedObjectPath) |
| 12 | { |
| 13 | if (sharedObjectPath.empty()) |
| 14 | { |
| 15 | throw RuntimeException("OpenHandle error: shared object path must not be empty"); |
| 16 | } |
| 17 | |
| 18 | void* sharedObjectHandle = dlopen(sharedObjectPath.c_str(), RTLD_LAZY | RTLD_GLOBAL); |
| 19 | if (!sharedObjectHandle) |
| 20 | { |
Matteo Martincigh | b19d2e9 | 2019-07-25 14:04:40 +0100 | [diff] [blame] | 21 | throw RuntimeException(boost::str(boost::format("OpenHandle error: %1%") % GetDlError())); |
Matteo Martincigh | d73cecb | 2019-07-24 09:15:00 +0100 | [diff] [blame] | 22 | } |
| 23 | |
| 24 | return sharedObjectHandle; |
| 25 | } |
| 26 | |
| 27 | void DynamicBackendUtils::CloseHandle(const void* sharedObjectHandle) |
| 28 | { |
| 29 | if (!sharedObjectHandle) |
| 30 | { |
| 31 | return; |
| 32 | } |
| 33 | |
| 34 | dlclose(const_cast<void*>(sharedObjectHandle)); |
| 35 | } |
| 36 | |
Matteo Martincigh | ac60d28 | 2019-07-25 15:25:44 +0100 | [diff] [blame] | 37 | bool DynamicBackendUtils::IsBackendCompatible(const BackendVersion &backendVersion) |
| 38 | { |
| 39 | BackendVersion backendApiVersion = IBackendInternal::GetApiVersion(); |
| 40 | |
| 41 | return IsBackendCompatibleImpl(backendApiVersion, backendVersion); |
| 42 | } |
| 43 | |
| 44 | bool DynamicBackendUtils::IsBackendCompatibleImpl(const BackendVersion &backendApiVersion, |
| 45 | const BackendVersion &backendVersion) |
| 46 | { |
| 47 | return backendVersion.m_Major == backendApiVersion.m_Major && |
| 48 | backendVersion.m_Minor <= backendApiVersion.m_Minor; |
| 49 | } |
| 50 | |
Matteo Martincigh | d73cecb | 2019-07-24 09:15:00 +0100 | [diff] [blame] | 51 | std::string DynamicBackendUtils::GetDlError() |
| 52 | { |
| 53 | const char* errorMessage = dlerror(); |
| 54 | if (!errorMessage) |
| 55 | { |
| 56 | return ""; |
| 57 | } |
| 58 | |
| 59 | return std::string(errorMessage); |
| 60 | } |
| 61 | |
| 62 | } // namespace armnn |