| //===--- ImageInspectionELF.cpp - ELF image inspection --------------------===// |
| // |
| // This source file is part of the Swift.org open source project |
| // |
| // Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors |
| // Licensed under Apache License v2.0 with Runtime Library Exception |
| // |
| // See https://swift.org/LICENSE.txt for license information |
| // See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors |
| // |
| //===----------------------------------------------------------------------===// |
| /// |
| /// \file |
| /// |
| /// This file includes routines that interact with ld*.so on ELF-based platforms |
| /// to extract runtime metadata embedded in dynamically linked ELF images |
| /// generated by the Swift compiler. |
| /// |
| //===----------------------------------------------------------------------===// |
| |
| #if defined(__ELF__) |
| |
| #include "../SwiftShims/MetadataSections.h" |
| #include "ImageInspection.h" |
| #include <dlfcn.h> |
| |
| using namespace swift; |
| |
| int swift::lookupSymbol(const void *address, SymbolInfo *info) { |
| Dl_info dlinfo; |
| if (dladdr(address, &dlinfo) == 0) { |
| return 0; |
| } |
| |
| info->fileName = dlinfo.dli_fname; |
| info->baseAddress = dlinfo.dli_fbase; |
| info->symbolName.reset(dlinfo.dli_sname); |
| info->symbolAddress = dlinfo.dli_saddr; |
| return 1; |
| } |
| |
| #endif // defined(__ELF__) |
