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(**************************************************************************)
(* *)
(* OCaml *)
(* *)
(* Xavier Leroy, projet Gallium, INRIA Paris *)
(* *)
(* Copyright 2015 Institut National de Recherche en Informatique et *)
(* en Automatique. *)
(* *)
(* All rights reserved. This file is distributed under the terms of *)
(* the GNU Lesser General Public License version 2.1, with the *)
(* special exception on linking described in the file LICENSE. *)
(* *)
(**************************************************************************)
(* Copy a bytecode executable, removing debugging information
and #! header from the copy.
Usage: stripdebug <source file> <dest file>
*)
open Printf
open Misc
let stripdebug infile outfile =
let ic = open_in_bin infile in
Bytesections.read_toc ic;
let toc = Bytesections.toc() in
let pos_first_section = Bytesections.pos_first_section ic in
let oc =
open_out_gen [Open_wronly; Open_creat; Open_trunc; Open_binary] 0o777
outfile in
(* Skip the #! header, going straight to the first section. *)
seek_in ic pos_first_section;
(* Copy each section except DBUG *)
Bytesections.init_record oc;
List.iter
(fun (name, len) ->
if name = "DBUG" then begin
seek_in ic (in_channel_length ic + len)
end else begin
copy_file_chunk ic oc len;
Bytesections.record oc name
end)
toc;
(* Rewrite the toc and trailer *)
Bytesections.write_toc_and_trailer oc;
(* Done *)
close_in ic;
close_out oc
let _ =
if Array.length Sys.argv = 3
then stripdebug Sys.argv.(1) Sys.argv.(2)
else begin
eprintf "Usage: stripdebug <source file> <destination file>\n";
exit 2
end
|
