69a9f7f06a
Kernel: Move VMM from a class to a namespace
...
Also, rename the ugly Paging::VirtualMemoryManager name to just 'VMM'. Which is now used instead of kernelVMM.
2022-10-12 20:02:25 +02:00
5f8376409d
Kernel, libc: Implement EFAULT
2022-10-12 19:25:35 +02:00
e37ff67da2
Make exec return an error if the loaded executable would use more memory than is currently available
2022-10-12 19:22:08 +02:00
4091799701
Kernel, libc: Add ENOEXEC (Exec format error)
2022-10-12 19:15:44 +02:00
8a7ddfca80
exec: Use check_elf_image()
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This allows exec to recover if an error should occur when loading the executable.
Thus, the calling process will be notified instead of killed.
2022-10-12 18:43:48 +02:00
e9df5fd663
exec: Copy pathname into kernel memory, since the user memory where it resides is going to be freed
2022-10-12 18:04:20 +02:00
f8b3567042
Kernel: Add an exec() syscall
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Very bare-bones for now. Doesn't support arguments or environment (we don't have that stuff right now), and the executable is not a valid ELF, it terminates the task.
But it's a start!
2022-10-12 17:42:01 +02:00