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Kernel: Generate a coredump file when a process crashes

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When a process crashes, we generate a coredump file and write it in
/tmp/coredumps/.

The coredump file is an ELF file of type ET_CORE.
It contains a segment for every userspace memory region of the process,
and an additional PT_NOTE segment that contains the registers state for
each thread, and a additional data about memory regions
(e.g their name).
This commit is contained in:
Itamar 2020-11-06 10:09:51 +02:00 • committed by Andreas Kling
parent efe4da57df
commit b4842d33bb
11 changed files with 427 additions and 1 deletions
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4
Kernel/Syscalls/exit.cpp
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@ -33,8 +33,10 @@ void Process::sys$exit(int status)
{
cli();
if (status != 0)
if (status != 0) {
dump_backtrace();
set_dump_core(true);
}
m_termination_status = status;
m_termination_signal = 0;