asmcomp/asmlibrarian.ml

   1 (***********************************************************************)
   2 (*                                                                     *)
   3 (*                           Objective Caml                            *)
   4 (*                                                                     *)
   5 (*            Xavier Leroy, projet Cristal, INRIA Rocquencourt         *)
   6 (*                                                                     *)
   7 (*  Copyright 1996 Institut National de Recherche en Informatique et   *)
   8 (*  en Automatique.  All rights reserved.  This file is distributed    *)
   9 (*  under the terms of the Q Public License version 1.0.               *)
  10 (*                                                                     *)
  11 (***********************************************************************)
  12
  13 (* $Id$ *)
  14
  15 (* Build libraries of .cmx files *)
  16
  17 open Misc
  18 open Config
  19 open Compilenv
  20
  21 type error =
  22     File_not_found of string
  23   | Archiver_error of string
  24
  25 exception Error of error
  26
  27 let read_info name =
  28   let filename =
  29     try
  30       find_in_path !load_path name
  31     with Not_found ->
  32       raise(Error(File_not_found name)) in
  33   let (info, crc) = Compilenv.read_unit_info filename in
  34   info.ui_force_link <- !Clflags.link_everything;
  35   (* There is no need to keep the approximation in the .cmxa file,
  36      since the compiler will go looking directly for .cmx files.
  37      The linker, which is the only one that reads .cmxa files, does not
  38      need the approximation. *)
  39   info.ui_approx <- Clambda.Value_unknown;
  40   (Filename.chop_suffix filename ".cmx" ^ ext_obj, (info, crc))
  41
  42 let create_archive file_list lib_name =
  43   let archive_name = chop_extension_if_any lib_name ^ ext_lib in
  44   let outchan = open_out_bin lib_name in
  45   try
  46     output_string outchan cmxa_magic_number;
  47     let (objfile_list, descr_list) =
  48       List.split (List.map read_info file_list) in
  49     List.iter2
  50       (fun file_name (unit, crc) ->
  51         Asmlink.check_consistency file_name unit crc)
  52       file_list descr_list;
  53     let infos =
  54       { lib_units = descr_list;
  55         lib_ccobjs = !Clflags.ccobjs;
  56         lib_ccopts = !Clflags.ccopts } in
  57     output_value outchan infos;
  58     if Ccomp.create_archive archive_name objfile_list <> 0
  59     then raise(Error(Archiver_error archive_name));
  60     close_out outchan
  61   with x ->
  62     close_out outchan;
  63     remove_file lib_name;
  64     remove_file archive_name;
  65     raise x
  66
  67 open Format
  68
  69 let report_error ppf = function
  70   | File_not_found name ->
  71       fprintf ppf "Cannot find file %s" name
  72   | Archiver_error name ->
  73       fprintf ppf "Error while creating the library %s" name
  74