Choosing ABI for a function

Aviram Hassan

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Nov 8, 2022, 3:55:14 PM11/8/22

to golang-nuts

Hi,

I see that some runtime functions have both `abi0` interface and `ABIInternal`.

I was wondering what makes the compiler do so, and if I can make it do the same for my defined functions?

A bit of a background - I'm doing a bit of a lowlevel fun, and I want to hook Go functions using just Go code (no assembly) so I want to have the same interface as the original ones.

Thanks!

Ian Lance Taylor

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Nov 8, 2022, 5:15:06 PM11/8/22

to Aviram Hassan, golang-nuts

There is background information for this at
https://go.googlesource.com/proposal/+/refs/heads/master/design/27539-internal-abi.md
.

Ian

Aviram Hassan

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Nov 9, 2022, 5:15:46 PM11/9/22

to Ian Lance Taylor, golang-nuts

Thank you.

I found that the best way (or only?) is to have an assembly function reference a Go function, then the compiler creates a wrapper that can be used.

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