There Is Life Before Main in Rust
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There Is Life Before Main in Rust
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Re: There Is Life Before Main in Rust
#2Author here, happy to answer any questions. I've been working on building some higher-level abstractions on link sections (specifically, link-time optimized collections like maps (1) and sorted slices (2)) and wanted to share the hard-fought knowledge from the last couple of months.
There's a decent amount of knowledge around pre-main work in Rust, but I think this is one of the first attempts to walk through mutable link sections, which open up a pretty wide world of optimization, IMO. Even without mutability, I figured there isn't nearly enough documentation on these approaches out there.
(1) https://docs.rs/scattered-collect/0.20.0/scattered_collect/m...
(2) https://docs.rs/scattered-collect/0.20.0/scattered_collect/s...
Re: There Is Life Before Main in Rust
#3> This post is 100% human-written. Claude was used for feedback and to assist with the linker symbol diagram. Cursor was used for feedback and to ensure examples were compilable.
Love this, I hope every blog have the same disclaimer about how AI is used.
Re: There Is Life Before Main in Rust
#4> This post is 100% human-written. Claude was used for feedback and to assist with the linker symbol diagram. Cursor was used for feedback and to ensure examples were compilable. Love this, I hope every blog have the same disclaimer about how AI is used.
If Claude gave feedback then it’s not really 100% human written is it?
Re: There Is Life Before Main in Rust
#5> This post is 100% human-written. Claude was used for feedback and to assist with the linker symbol diagram. Cursor was used for feedback and to ensure examples were compilable. Love this, I hope every blog have the same disclaimer about how AI is used.
If Claude gave feedback then it’s not really 100% human written is it?
If you merely get feedback from a human, are they now a co-author?
Re: There Is Life Before Main in Rust
#6The general lesson of these things is main is not that special and it pays to understand how your program actually starts. This has little/nothing to do with Rust or other language tools. On Linux, given a static ELF program, the kernel returns to the IP given by e_entry, which can proceed to do anything. If the program is dynamic (has a .interp) then it loads the interpreter and returns to its e_entry instead. The interpreter, in turn, can do absolutely whatever.
Re: There Is Life Before Main in Rust
#7> This post is 100% human-written. Claude was used for feedback and to assist with the linker symbol diagram. Cursor was used for feedback and to ensure examples were compilable. Love this, I hope every blog have the same disclaimer about how AI is used.
If Claude gave feedback then it’s not really 100% human written is it?
I'm pretty much hardline anti-AI and even I would say this is too far. If I read documentation or ask my wife to review something, those people did not write the final product. Perhaps it would be mentioned in a citation, like this person has.
Re: There Is Life Before Main in Rust
#8> This post is 100% human-written. Claude was used for feedback and to assist with the linker symbol diagram. Cursor was used for feedback and to ensure examples were compilable. Love this, I hope every blog have the same disclaimer about how AI is used.
If Claude gave feedback then it’s not really 100% human written is it?
It was written on a computer with a keyboard, so clearly it's 0% human written
Re: There Is Life Before Main in Rust
#9> This post is 100% human-written. Claude was used for feedback and to assist with the linker symbol diagram. Cursor was used for feedback and to ensure examples were compilable. Love this, I hope every blog have the same disclaimer about how AI is used.
If Claude gave feedback then it’s not really 100% human written is it?
Editors (as in, the human kind) are not co-writers either.
Re: There Is Life Before Main in Rust
#10> This post is 100% human-written. Claude was used for feedback and to assist with the linker symbol diagram. Cursor was used for feedback and to ensure examples were compilable. Love this, I hope every blog have the same disclaimer about how AI is used.
If Claude gave feedback then it’s not really 100% human written is it?
If you run spell check on a document is it no longer 100% human written?