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Kernel: Embed a ProcessInfo notes entry in coredumps

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Linus Groh 2020-12-30 13:19:53 +01:00 • committed by Andreas Kling
parent a28954a882
commit 6fe6e0a36a
2 changed files with 20 additions and 0 deletions
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19
Kernel/CoreDump.cpp
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@ -208,6 +208,24 @@ KResult CoreDump::write_notes_segment(ByteBuffer& notes_segment)
return KSuccess; return KSuccess;
} }
ByteBuffer CoreDump::create_notes_process_data() const
{
ByteBuffer process_data;
ELF::Core::ProcessInfo info {};
info.header.type = ELF::Core::NotesEntryHeader::Type::ProcessInfo;
info.pid = m_process->pid().value();
process_data.append((void*)&info, sizeof(info));
auto executable_path = String::empty();
if (auto executable = m_process->executable())
executable_path = executable->absolute_path();
process_data.append(executable_path.characters(), executable_path.length() + 1);
return process_data;
}
ByteBuffer CoreDump::create_notes_threads_data() const ByteBuffer CoreDump::create_notes_threads_data() const
{ {
ByteBuffer threads_data; ByteBuffer threads_data;
@ -259,6 +277,7 @@ ByteBuffer CoreDump::create_notes_segment_data() const
{ {
ByteBuffer notes_buffer; ByteBuffer notes_buffer;
notes_buffer += create_notes_process_data();
notes_buffer += create_notes_threads_data(); notes_buffer += create_notes_threads_data();
notes_buffer += create_notes_regions_data(); notes_buffer += create_notes_regions_data();

1
Kernel/CoreDump.h
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@ -54,6 +54,7 @@ private:
[[nodiscard]] KResult write_notes_segment(ByteBuffer&); [[nodiscard]] KResult write_notes_segment(ByteBuffer&);
ByteBuffer create_notes_segment_data() const; ByteBuffer create_notes_segment_data() const;
ByteBuffer create_notes_process_data() const;
ByteBuffer create_notes_threads_data() const; ByteBuffer create_notes_threads_data() const;
ByteBuffer create_notes_regions_data() const; ByteBuffer create_notes_regions_data() const;