findshlibs/
unsupported.rs

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
//! The fallback implementation of the [SharedLibrary
//! trait](../trait.SharedLibrary.html) that does nothing.

use crate::Segment as SegmentTrait;
use crate::SharedLibrary as SharedLibraryTrait;
use crate::{Bias, IterationControl, SharedLibraryId, Svma};

use std::ffi::OsStr;
use std::marker::PhantomData;
use std::usize;

/// An unsupported segment
#[derive(Debug)]
pub struct Segment<'a> {
    phantom: PhantomData<&'a SharedLibrary<'a>>,
}

impl<'a> SegmentTrait for Segment<'a> {
    type SharedLibrary = SharedLibrary<'a>;

    #[inline]
    fn name(&self) -> &str {
        unreachable!()
    }

    #[inline]
    fn stated_virtual_memory_address(&self) -> Svma {
        unreachable!()
    }

    #[inline]
    fn len(&self) -> usize {
        unreachable!()
    }
}

/// An iterator over Mach-O segments.
#[derive(Debug)]
pub struct SegmentIter<'a> {
    phantom: PhantomData<&'a SharedLibrary<'a>>,
}

impl<'a> Iterator for SegmentIter<'a> {
    type Item = Segment<'a>;

    fn next(&mut self) -> Option<Self::Item> {
        None
    }
}

/// The fallback implementation of the [SharedLibrary
/// trait](../trait.SharedLibrary.html).
#[derive(Debug)]
pub struct SharedLibrary<'a> {
    phantom: PhantomData<&'a SharedLibrary<'a>>,
}

impl<'a> SharedLibraryTrait for SharedLibrary<'a> {
    type Segment = Segment<'a>;
    type SegmentIter = SegmentIter<'a>;

    #[inline]
    fn name(&self) -> &OsStr {
        unreachable!()
    }

    fn id(&self) -> Option<SharedLibraryId> {
        unreachable!()
    }

    fn segments(&self) -> Self::SegmentIter {
        SegmentIter {
            phantom: PhantomData,
        }
    }

    #[inline]
    fn virtual_memory_bias(&self) -> Bias {
        unreachable!()
    }

    fn each<F, C>(_f: F)
    where
        F: FnMut(&Self) -> C,
        C: Into<IterationControl>,
    {
    }
}