summaryrefslogtreecommitdiff
path: root/src/registers.rs
blob: 80b4a9b5f6dc9d3e19e26897c577863154bde5ac (plain)
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
use nix::libc::user_regs_struct;

/// Struct used to manipulate registers data from https://docs.rs/libc/0.2.147/libc/struct.user_regs_struct.html
pub struct RegistersData {
    orig_rax: u64,
    rdi: u64,
    rsi: u64,
    rdx: u64,
    rax: u64,
}

impl RegistersData {
    /// Create new `RegistersData` from an `user_regs_struct`'C structure
    pub fn new(registers: user_regs_struct) -> RegistersData {
        RegistersData {
            orig_rax: registers.orig_rax,
            rdi: registers.rdi,
            rsi: registers.rsi,
            rdx: registers.rdx,
            rax: registers.rax,
        }
    }

    /// Returns a good string which shows the output for a line
    pub fn output(&self) -> String {
        format!(
            "{}({:x}, {:x}, {:x}, ...) = {:x}",
            self.orig_rax, self.rdi, self.rsi, self.rdx, self.rax
        )
    }
}