[libc-commits] [libc] [libc] provide binary compatibility with syscall symbol (PR #117229)

[Nick Desaulniers via libc-commits]

nickdesaulniers wrote:

IIUC, it looks like the rust std lib is expecting to use C FFI to do syscalls:

https://codebrowser.dev/rust/rust/library/std/src/sys/pal/unix/weak.rs.html#158

IIUC, it doesn't matter if our syscall is a macro, if the runtime of the higher level language expects syscall to be a symbol and can't use the C preprocessor (such as rust).

https://github.com/llvm/llvm-project/pull/117229