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Once LibC is installed to the sysroot and its conflicts with libc++ are resolved, including LibC headers in such a way will cause errors with a modern LLVM-based toolchain.
87 lines
2.2 KiB
C++
87 lines
2.2 KiB
C++
/*
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* Copyright (c) 2020, 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/Types.h>
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#include <sys/arch/regs.h>
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#ifndef KERNEL
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# include <AK/DeprecatedString.h>
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#endif
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namespace ELF::Core {
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struct [[gnu::packed]] NotesEntryHeader {
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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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NotesEntryHeader header;
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char data[];
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};
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struct [[gnu::packed]] ProcessInfo {
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NotesEntryHeader header;
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// Information is stored as JSON blob to allow arbitrary
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// number and length of strings/objects/arrays.
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//
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// Keys:
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// - "pid" (int)
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// - "termination_signal" (u8)
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// - "executable_path" (DeprecatedString)
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// - "arguments" (Vector<DeprecatedString>)
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// - "environment" (Vector<DeprecatedString>)
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char json_data[]; // Null terminated
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};
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struct [[gnu::packed]] ThreadInfo {
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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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NotesEntryHeader header;
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uint64_t region_start;
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uint64_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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#ifndef KERNEL
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DeprecatedString object_name() const
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{
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StringView memory_region_name { region_name, strlen(region_name) };
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if (memory_region_name.contains("Loader.so"sv))
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return "Loader.so"sv;
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auto maybe_colon_index = memory_region_name.find(':');
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if (!maybe_colon_index.has_value())
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return {};
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return memory_region_name.substring_view(0, *maybe_colon_index).to_deprecated_string();
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}
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#endif
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};
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struct [[gnu::packed]] Metadata {
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NotesEntryHeader header;
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// Arbitrary metadata, set via SC_set_coredump_metadata.
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// Limited to 16 entries and 16 KiB keys/values by the kernel.
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//
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// Well-known keys:
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// - "assertion": Used by LibC's __assertion_failed() to store assertion info
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// - "pledge_violation": Used by the Kernel's require_promise() to store pledge violation info
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char json_data[]; // Null terminated
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};
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}
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