metaemu_hooks/
types.rs

1use thiserror::Error;
2use fugue::ir::{
3    Address,
4};
5pub enum HookAction<R> {
6    Pass,
7    Halt(R),
8}
9
10pub enum HookCBranchAction<R> {
11    Pass,
12    Flip,
13    Halt(R),
14}
15
16pub enum HookCallAction<R> {
17    Pass,
18    Skip,
19    Halt(R),
20}
21
22pub enum HookStepAction<R> {
23    Pass,
24    Skip,
25    Halt(R),
26    Branch((u32, Address)),     // (Priority, Address), priority: higher has more priority
27}
28
29// If the hook change will create a step state in a new address
30// The state_change flage shall be set
31pub struct HookOutcome<A> {
32    pub action: A,
33    pub state_changed: bool,
34}
35
36impl<A> From<A> for HookOutcome<A> {
37    fn from(action: A) -> Self {
38        Self { action, state_changed: false }
39    }
40}
41
42impl<A> HookOutcome<A> {
43    pub fn state_changed(self, changed: bool) -> Self {
44        Self { state_changed: changed, ..self }
45    }
46}
47
48#[derive(Debug, Error)]
49pub enum Error<E: std::error::Error + Send + Sync + 'static> {
50    #[error(transparent)]
51    State(E),
52    #[error("Hook Error")]
53    Hook(E),
54    #[error(transparent)]
55    Other(#[from] anyhow::Error),
56}
57
58impl<E> Error<E> where E: std::error::Error + Send + Sync + 'static {
59    pub fn state(error: E) -> Self {
60        Self::State(error)
61    }
62}
metaemu_hooks/types.rs

metaemu_hooks/
types.rs
