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40a8b009db
This actually allows us to re-introduce the ldd utility as a symlink to our dynamic loader, so now ldd behaves exactly like on Linux - it will load all dynamic dependencies for an ELF exectuable. This has the advantage that running ldd on an ELF executable will provide an exact preview of how the order in which the dynamic loader loads the executable and its dependencies.
30 lines
829 B
C++
30 lines
829 B
C++
/*
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* Copyright (c) 2021, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Result.h>
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#include <AK/Vector.h>
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#include <LibELF/DynamicObject.h>
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namespace ELF {
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using EntryPointFunction = int (*)(int, char**, char**);
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class DynamicLinker {
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public:
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static Optional<DynamicObject::SymbolLookupResult> lookup_global_symbol(StringView symbol);
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static EntryPointFunction linker_main(ByteString&& main_program_path, int fd, bool is_secure, char** envp);
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static int iterate_over_loaded_shared_objects(int (*callback)(struct dl_phdr_info* info, size_t size, void* data), void* data);
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static Optional<ByteString> resolve_library(ByteString const& name, DynamicObject const& parent_object);
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private:
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DynamicLinker() = delete;
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~DynamicLinker() = delete;
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};
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}
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