59 lines
1.9 KiB
OCaml
59 lines
1.9 KiB
OCaml
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(***********************************************************************)
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(* *)
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(* OCaml *)
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(* *)
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(* Xavier Leroy, projet Gallium, INRIA Paris *)
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(* *)
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(* Copyright 2015 Institut National de Recherche en Informatique et *)
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(* en Automatique. All rights reserved. This file is distributed *)
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(* under the terms of the Q Public License version 1.0. *)
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(* *)
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(***********************************************************************)
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(* Copy a bytecode executable, removing debugging information
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from the copy.
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Usage: expunge <source file> <dest file>
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*)
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open Printf
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open Misc
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let stripdebug infile outfile =
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let ic = open_in_bin infile in
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Bytesections.read_toc ic;
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let toc = Bytesections.toc() in
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let pos_first_section = Bytesections.pos_first_section ic in
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let oc =
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open_out_gen [Open_wronly; Open_creat; Open_trunc; Open_binary] 0o777
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outfile in
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(* Copy the file up to the first section as is *)
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seek_in ic 0;
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copy_file_chunk ic oc pos_first_section;
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(* Copy each section except DBUG *)
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Bytesections.init_record oc;
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List.iter
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(fun (name, len) ->
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if name = "DBUG" then begin
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seek_in ic (in_channel_length ic + len)
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end else begin
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copy_file_chunk ic oc len;
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Bytesections.record oc name
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end)
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toc;
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(* Rewrite the toc and trailer *)
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Bytesections.write_toc_and_trailer oc;
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(* Done *)
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close_in ic;
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close_out oc
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let _ =
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if Array.length Sys.argv = 3
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then stripdebug Sys.argv.(1) Sys.argv.(2)
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else begin
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eprintf "Usage: stripdebug <source file> <destination file>\n";
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exit 2
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end
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