Source: syscall_darwin_libSystem.go in package golang.org/x/sys/unix

+build darwin,go1.12


package unix

import "unsafe"

Implemented in the runtime package (runtime/sys_darwin.go)

func syscall_syscall(fn, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
func syscall_syscall6(fn, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
func syscall_syscall6X(fn, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
func syscall_syscall9(fn, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err Errno) // 32-bit only
func syscall_rawSyscall(fn, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
func syscall_rawSyscall6(fn, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
func syscall_syscallPtr(fn, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)

go:linkname syscall_syscall syscall.syscallgo:linkname syscall_syscall6 syscall.syscall6go:linkname syscall_syscall6X syscall.syscall6Xgo:linkname syscall_syscall9 syscall.syscall9go:linkname syscall_rawSyscall syscall.rawSyscallgo:linkname syscall_rawSyscall6 syscall.rawSyscall6go:linkname syscall_syscallPtr syscall.syscallPtr

Find the entry point for f. See comments in runtime/proc.go for the function of the same name.go:nosplit

func funcPC(f func()) uintptr {
	return **(**uintptr)(unsafe.Pointer(&f))