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These types can be picked up by including <AK/Types.h>:
* u8, u16, u32, u64 (unsigned)
* i8, i16, i32, i64 (signed)
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kprintf() shows up in dmesg, dbgprintf() does not.
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Instead of PDE's and PTE's being weird wrappers around dword*, just have
MemoryManager::ensure_pte() return a PageDirectoryEntry&, which in turn has
a PageTableEntry* entries().
I've been trying to understand how things ended up this way, and I suspect
it was because I inadvertently invoked the PageDirectoryEntry copy ctor in
the original work on this, which must have made me very confused..
Anyways, now things are a bit saner and we can move forward towards a better
future, etc. :^)
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We'll now try to detect crashes that were due to dereferencing nullptr,
uninitialized malloc() memory, or recently free()'d memory.
It's not perfect but I think it's pretty good. :^)
Also added some color to the most important parts of the crash log,
and added some more modes to /bin/crash for exercising this code.
Fixes #243.
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Also print it in shiny red to make it extra easy to spot. :^)
Fixes #244.
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There's a ton of work that would need to be done before we could spin up on
another architecture, but let's at least try to separate things out a bit.
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