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//! Provide exec-file path for the target.
use crate::common::Pid;
use crate::target::Target;
use crate::target::TargetResult;
/// Target Extension - Provide current exec-file.
///
/// NOTE: this extension is primarily intended to be used alongside the [`Host
/// I/O Extensions`](crate::target::ext::host_io), which enables the GDB client
/// to read the executable file directly from the target
pub trait ExecFile: Target {
/// Get full absolute path of the file that was executed to create
/// process `pid` running on the remote system.
///
/// If `pid` is `None`, return the filename corresponding to the
/// currently executing process.
///
/// Return the number of bytes written into `buf` (which may be less than
/// `length`).
///
/// If `offset` is greater than the length of the underlying data, return
/// `Ok(0)`.
fn get_exec_file(
&self,
pid: Option<Pid>,
offset: u64,
length: usize,
buf: &mut [u8],
) -> TargetResult<usize, Self>;
}
define_ext!(ExecFileOps, ExecFile);
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