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https://github.com/RGBCube/serenity
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7413a7c509
This is a new NotesEntry type which will allow applications to embed arbitrary metadata in crashdumps (stored as a JSON string). It will be used to store an assertion message, for example.
92 lines
2.7 KiB
C++
92 lines
2.7 KiB
C++
/*
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* Copyright (c) 2020, The SerenityOS developers.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <AK/String.h>
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#include <AK/Types.h>
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#include <LibC/sys/arch/i386/regs.h>
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namespace ELF::Core {
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struct [[gnu::packed]] NotesEntryHeader
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{
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enum Type : u8 {
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Null = 0, // Terminates segment
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ProcessInfo,
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ThreadInfo,
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MemoryRegionInfo,
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Metadata,
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};
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Type type;
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};
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struct [[gnu::packed]] NotesEntry
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{
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NotesEntryHeader header;
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char data[];
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};
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struct [[gnu::packed]] ProcessInfo
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{
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NotesEntryHeader header;
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int pid;
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char executable_path[]; // Null terminated
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};
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struct [[gnu::packed]] ThreadInfo
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{
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NotesEntryHeader header;
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int tid;
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PtraceRegisters regs;
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};
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struct [[gnu::packed]] MemoryRegionInfo
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{
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NotesEntryHeader header;
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uint32_t region_start;
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uint32_t region_end;
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uint16_t program_header_index;
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char region_name[]; // Null terminated
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String object_name() const
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{
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StringView memory_region_name { region_name };
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if (memory_region_name.contains("Loader.so"))
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return "Loader.so";
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if (!memory_region_name.contains(":"))
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return {};
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return memory_region_name.substring_view(0, memory_region_name.find_first_of(":").value()).to_string();
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}
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};
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struct [[gnu::packed]] Metadata
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{
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NotesEntryHeader header;
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char json_data[]; // Null terminated
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};
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}
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