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Add a layer of indirection to access the active arch config.
Currently when importing sploit.arch.arch, the name will be bound to
whatever the current reference is and won't follow if another module
(user script) updates the reference in sploit.arch. A layer of
indirection seemlessly solves that issue and also provides a cleaner
interface for setting the active arch from the user script.
Signed-off-by: dusoleil <howcansocksbereal@gmail.com>
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This _should_ be accurate for ARMv7-a at least (including thumb mode).
We might want to later include ARMv8 details, which would primarily
include a 64-bit profile - I just don't have the details at the moment.
A namedtuple is now used as the implementation of type 'Arch', which
allows the definitions to be much more compact and table-like,
aiding readability.
Signed-off-by: Malfurious <m@lfurio.us>
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This was the name I had originally intended to use while factoring
architecture details out to the global scope. It's not terribly
different, but I feel the new context warrants some additional clarity.
Signed-off-by: Malfurious <m@lfurio.us>
Signed-off-by: dusoleil <howcansocksbereal@gmail.com>
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Add Arch class which specifies wordsize, endianness, alignment, and a
nop code for an architecture.
Add a couple predefined architectures for x86 and x86_64
Add a "configured" architecture which is set to x86_64 by default.
Added btoi and itob functions which will convert to and from bytes and
ints based on the current architecture config
Signed-off-by: dusoleil <howcansocksbereal@gmail.com>
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