Function read_u64

crates/virtual-machine/src/elf_parser.rs:121–131

Read a 64-bit little-endian value from bytes at the given offset

(bytes: &[u8], offset: usize)

    let slice = bytes
        .get(offset..end)
        .ok_or_else(|| VmError::Other("ELF read out of bounds".to_owned()))?;
    Ok(u64::from_le_bytes([
        slice[0], slice[1], slice[2], slice[3], slice[4], slice[5], slice[6], slice[7],
    ]))
}

/// Align a value up to the nearest multiple of alignment
pub fn align_up(value: u64, alignment: u64) -> u64 {
    let alignment = alignment.max(1);
    (value + alignment - 1) & !(alignment - 1)
}