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package native
import (
"syscall"
sys "golang.org/x/sys/unix"
)
// ptraceAttach executes the sys.PtraceAttach call.
func ptraceAttach(pid int) error {
return sys.PtraceAttach(pid)
}
// ptraceDetach calls ptrace(PTRACE_DETACH).
func ptraceDetach(tid, sig int) error {
_, _, err := sys.Syscall6(sys.SYS_PTRACE, sys.PTRACE_DETACH, uintptr(tid), 1, uintptr(sig), 0, 0)
if err != syscall.Errno(0) {
return err
}
return nil
}
// ptraceCont executes ptrace PTRACE_CONT
func ptraceCont(tid, sig int) error {
return sys.PtraceCont(tid, sig)
}
// ptraceSingleStep executes ptrace PTRACE_SINGLESTEP
func ptraceSingleStep(pid, sig int) error {
_, _, e1 := sys.Syscall6(sys.SYS_PTRACE, uintptr(sys.PTRACE_SINGLESTEP), uintptr(pid), uintptr(0), uintptr(sig), 0, 0)
if e1 != 0 {
return e1
}
return nil
}
// remoteIovec is like golang.org/x/sys/unix.Iovec but uses uintptr for the
// base field instead of *byte so that we can use it with addresses that
// belong to the target process.
type remoteIovec struct {
base uintptr
len uintptr
}
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