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SymbolServer: Add symbolication service for out-of-process ELF parsing

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This patch adds SymbolServer, a service daemon that provides
symbolication of ELF binaries. It has a very simple IPC API at the
moment that only turns addresses into symbol names.

This can be used to implement symbolication without having to do
in-process ELF parsing yourself. :^)
This commit is contained in:
Andreas Kling 2021-02-04 19:58:21 +01:00
parent 54d28df97d
commit aefd206038
11 changed files with 285 additions and 0 deletions
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54
Userland/Services/SymbolServer/ClientConnection.h Normal file
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/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <AK/HashMap.h>
#include <LibIPC/ClientConnection.h>
#include <LibWeb/Forward.h>
#include <SymbolServer/Forward.h>
#include <SymbolServer/SymbolClientEndpoint.h>
#include <SymbolServer/SymbolServerEndpoint.h>
namespace SymbolServer {
class ClientConnection final
: public IPC::ClientConnection<SymbolClientEndpoint, SymbolServerEndpoint>
, public SymbolServerEndpoint {
C_OBJECT(ClientConnection);
public:
explicit ClientConnection(NonnullRefPtr<Core::LocalSocket>, int client_id);
~ClientConnection() override;
virtual void die() override;
private:
virtual OwnPtr<Messages::SymbolServer::GreetResponse> handle(const Messages::SymbolServer::Greet&) override;
virtual OwnPtr<Messages::SymbolServer::SymbolicateResponse> handle(const Messages::SymbolServer::Symbolicate&) override;
};
}