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860a3bbce3
This may seem like a no-op change, however it shrinks down the Kernel by a bit: .text -432 .unmap_after_init -60 .data -480 .debug_info -673 .debug_aranges 8 .debug_ranges -232 .debug_line -558 .debug_str -308 .debug_frame -40 With '= default', the compiler can do more inlining, hence the savings. I intentionally omitted some opportunities for '= default', because they would increase the Kernel size.
68 lines
2.5 KiB
C++
68 lines
2.5 KiB
C++
/*
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* Copyright (c) 2019-2020, Jesse Buhagiar <jooster669@gmail.com>
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* Copyright (c) 2020, Itamar S. <itamar8910@gmail.com>
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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/LexicalPath.h>
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#include <AK/NonnullRefPtr.h>
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#include <AK/OwnPtr.h>
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#include <Kernel/Forward.h>
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#include <LibELF/exec_elf.h>
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namespace Kernel {
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class Process;
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class CoreDump {
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public:
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static OwnPtr<CoreDump> create(NonnullRefPtr<Process>, const String& output_path);
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~CoreDump() = default;
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[[nodiscard]] KResult write();
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private:
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CoreDump(NonnullRefPtr<Process>, NonnullRefPtr<FileDescription>&&);
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static RefPtr<FileDescription> create_target_file(const Process&, const String& output_path);
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[[nodiscard]] KResult write_elf_header();
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[[nodiscard]] KResult write_program_headers(size_t notes_size);
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[[nodiscard]] KResult write_regions();
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[[nodiscard]] KResult write_notes_segment(ByteBuffer&);
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ByteBuffer create_notes_segment_data() const;
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ByteBuffer create_notes_process_data() const;
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ByteBuffer create_notes_threads_data() const;
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ByteBuffer create_notes_regions_data() const;
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ByteBuffer create_notes_metadata_data() const;
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NonnullRefPtr<Process> m_process;
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NonnullRefPtr<FileDescription> m_fd;
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const size_t m_num_program_headers;
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};
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}
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