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.
This is a new NotesEntry type which contains information related to the
coredump's process:
- PID
- executable path
Having these in the coredump explicitly avoids having to parse them from
the coredump filename and backtrace, respectively.
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).
