diff options
Diffstat (limited to 'src/internal/runtime/syscall/syscall_linux.go')
| -rw-r--r-- | src/internal/runtime/syscall/syscall_linux.go | 23 |
1 files changed, 0 insertions, 23 deletions
diff --git a/src/internal/runtime/syscall/syscall_linux.go b/src/internal/runtime/syscall/syscall_linux.go index cb88659394..83df825169 100644 --- a/src/internal/runtime/syscall/syscall_linux.go +++ b/src/internal/runtime/syscall/syscall_linux.go @@ -15,29 +15,6 @@ import ( // Syscall6 calls system call number 'num' with arguments a1-6. func Syscall6(num, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, errno uintptr) -// syscall_RawSyscall6 is a push linkname to export Syscall6 as -// syscall.RawSyscall6. -// -// //go:uintptrkeepalive because the uintptr argument may be converted pointers -// that need to be kept alive in the caller (this is implied for Syscall6 since -// it has no body). -// -// //go:nosplit because stack copying does not account for uintptrkeepalive, so -// the stack must not grow. Stack copying cannot blindly assume that all -// uintptr arguments are pointers, because some values may look like pointers, -// but not really be pointers, and adjusting their value would break the call. -// -// This is a separate wrapper because we can't export one function as two -// names. The assembly implementations name themselves Syscall6 would not be -// affected by a linkname. -// -//go:uintptrkeepalive -//go:nosplit -//go:linkname syscall_RawSyscall6 syscall.RawSyscall6 -func syscall_RawSyscall6(num, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, errno uintptr) { - return Syscall6(num, a1, a2, a3, a4, a5, a6) -} - func EpollCreate1(flags int32) (fd int32, errno uintptr) { r1, _, e := Syscall6(SYS_EPOLL_CREATE1, uintptr(flags), 0, 0, 0, 0, 0) return int32(r1), e |