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a76c4d0a00
In Go 1.17 we will introduce a register-based ABI on some platforms, as well as ABI wrappers to bridge the ABIs. For Darwin syscall wrappers, it needs to be called directly, instead of through wrappers. Currently, it is written as that the syscall functions are defined in assembly and their addresses are taken from Go using funcPC. In Go 1.17 this will result in the address of the ABI wrapper, which is undesired. In the syscall package in the standard library we changed to use a compiler intrinsic internal/abi.FuncPCABI0 to take the address of the syscall function. But that is not available to this repo and not available in older versions of Go. Here we take a different approach: taking the address directly from assembly. This also ensures we get the address of the defined syscall function, not the ABI wrapper. Updates golang/go#45702. Change-Id: Ia7480d0fb0ca4fb9bf2f36d2deb1e3e5e4eb8284 Reviewed-on: https://go-review.googlesource.com/c/sys/+/317894 Trust: Cherry Mui <cherryyz@google.com> Run-TryBot: Cherry Mui <cherryyz@google.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Than McIntosh <thanm@google.com>
sys
This repository holds supplemental Go packages for low-level interactions with the operating system.
Download/Install
The easiest way to install is to run go get -u golang.org/x/sys. You can
also manually git clone the repository to $GOPATH/src/golang.org/x/sys.
Report Issues / Send Patches
This repository uses Gerrit for code changes. To learn how to submit changes to this repository, see https://golang.org/doc/contribute.html.
The main issue tracker for the sys repository is located at https://github.com/golang/go/issues. Prefix your issue with "x/sys:" in the subject line, so it is easy to find.