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