use PT_FIRSTMACH;

pub type c_long = i64;
pub type c_ulong = u64;
pub type c_char = i8;
pub type c___greg_t = u64;
pub type __cpu_simple_lock_nv_t = ::c_uchar;

s! {
    pub struct mcontext_t {
        pub __gregs: [c___greg_t; 26],
        pub _mc_tlsbase: c___greg_t,
        pub __fpregs: [[::c_char;32]; 16],
    }

    pub struct ucontext_t {
        pub uc_flags: ::c_uint,
        pub uc_link: *mut ::ucontext_t,
        pub uc_sigmask: ::sigset_t,
        pub uc_stack: ::stack_t,
        pub uc_mcontext: ::mcontext_t,
    }
}

// should be pub(crate), but that requires Rust 1.18.0
cfg_if! {
    if #[cfg(libc_const_size_of)] {
        #[doc(hidden)]
        pub const _ALIGNBYTES: usize = ::mem::size_of::<::c_long>() - 1;
    } else {
        #[doc(hidden)]
        pub const _ALIGNBYTES: usize = 8 - 1;
    }
}

pub const PT_STEP: ::c_int = PT_FIRSTMACH + 0;
pub const PT_GETREGS: ::c_int = PT_FIRSTMACH + 1;
pub const PT_SETREGS: ::c_int = PT_FIRSTMACH + 2;
pub const PT_GETFPREGS: ::c_int = PT_FIRSTMACH + 3;
pub const PT_SETFPREGS: ::c_int = PT_FIRSTMACH + 4;