| Commit message (Collapse) | Author | Age | Files | Lines |
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Yet another redrawing of responsibilities between convert and its helpers.
In the process I discovered a bug in `write-stream-buffered` which ended
up taking me through a detour to extract `browse_trace` into its own tool.
It turns out just having long buffers is enough to need browse_trace. Simple
operations like clearing a stream swamp a flat view of the trace.
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Considering how much trouble a merge phase would be (commit 4978), it seems
simpler to just add the extra syntax for controlling the entry point of
the generated ELF binary.
But I wouldn't have noticed this if I hadn't taken the time to write out
the commit messages of 4976 and 4978.
Even if we happened to already have linked list primitives built, this
may still be a good idea considering that I'm saving quite a lot of code
in duplicated entrypoints.
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Starting to build up Phase 2 (apps/pack) out of recently designed primitives.
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Cleaner way to compare streams in tests.
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Clean up primitives for converting from/to hex chars.
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We want slice-equal? for length-prefixed strings, not null-terminated "kernel"
strings.
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In the process of building slice primitives I found an out-of-bounds access
in write-byte.
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Fix CI.
a) Update canonical binaries.
b) Fix an out-of-bounds access in `clear-stream`. This also required supporting
a new instruction in `subx run` to load an imm8 into rm8.
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We only can't use rm32=5 when mod=0. Totally fine when it's mod=1.
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More mnemonic register usage in write-stream.
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Our first buffer overflow!
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Clean up a few things:
a) Call scan-next-byte in hex.subx with the right number of args. Turns
out tests continue to work fine if they never use the other args.
b) Tear down a test for 'stop' in the right order. Not important since we
have no EBP to restore. But can still be misleading.
c) Have 'check-ints-equal' return nothing. Handy for it to not mess up
EAX. I never use the result anyway, and the name also is imperative suggesting
callers won't expect a return value.
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New helper: print an error message, then a numeric byte, then abort.
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New helper: printing a string to a buffered file.
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Better to use EDI as a mnemonic for 'destination'.
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Fix CI since 4827.
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This is likely a sub-optimal interface, but I'm trying not to agonize.
The whole point of Mu is to permit radical changes at any point in time.
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I was 'returning' a phantom value from 'write' when the underlying '_write'
returns nothing.
In general, returning counts of bytes written is not so useful for error
checking when my primitives abstract away from that. We'll come back to
error signalling later.
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Fix CI.
It's kind of a hassle (and wasteful) that I need to redefine 'main' in
every single layer.
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Long-standing and long-copied typo has been messing with our exit status
on test failures.
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Extract a helper that we'll need for 'read'.
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