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89a38b72b7
This implements the dladdr() function which lets the caller look up the symbol name, symbol address as well as library name and library base address for an arbitrary address.
40 lines
982 B
C
40 lines
982 B
C
/*
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* Copyright (c) 2021, Gunnar Beutner <gunnar@beutner.name>
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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/String.h>
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struct DlErrorMessage {
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DlErrorMessage(String&& other)
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: text(move(other))
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{
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}
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// The virtual destructor is required because we're passing this
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// struct to the dynamic loader - whose operator delete differs
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// from the one in libc.so
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virtual ~DlErrorMessage() { }
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String text;
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};
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struct __Dl_info;
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typedef struct __Dl_info Dl_info;
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typedef Result<void, DlErrorMessage> (*DlCloseFunction)(void*);
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typedef Result<void*, DlErrorMessage> (*DlOpenFunction)(const char*, int);
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typedef Result<void*, DlErrorMessage> (*DlSymFunction)(void*, const char*);
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typedef Result<void, DlErrorMessage> (*DlAddrFunction)(void*, Dl_info*);
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extern "C" {
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extern DlCloseFunction __dlclose;
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extern DlOpenFunction __dlopen;
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extern DlSymFunction __dlsym;
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extern DlAddrFunction __dladdr;
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}
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