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Encapsulate RAM management.
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Simpler.
Now it's clear that what commit 4291 got wrong was an
alignment-violating address for both the entrypoint and the start of the
segment.
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Second attempt at commit 4291. We'll now not copy the headers into
memory, but we'll still allocate space for them. Still some security
benefits, and I'm gaining confidence that I understand the ELF format.
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Learning to use the data segment.
Currently, subx can only run the teensy files generated from flat
assembler:
test4
test5
test7
This is not a priority to fix. These files are just useful references to
have around.
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Undo 4291; turns out the generated ELF binary was no longer running
natively on 32-bit Linux. Even with p_align set to 0.
Agh, not worth my time.
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Undo 4306.
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Doesn't compile.
I'm still not sure how to represent types and global variables.
Types won't be in the final binary.
But globals will. Perhaps I should first figure out what that looks like.
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No need for it once the program's loaded. And we keep programs from
running the header as code.
This also simplifies the header computation in the translator.
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Clarify a few happy accidents.
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The source 'language' is still entirely open. We'll see how it evolves
as I write programs in machine code.
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