ocaml/tools/objinfo.ml

76 lines
2.6 KiB
OCaml

(***********************************************************************)
(* *)
(* Objective Caml *)
(* *)
(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
(* *)
(* Copyright 1996 Institut National de Recherche en Informatique et *)
(* Automatique. Distributed only by permission. *)
(* *)
(***********************************************************************)
(* $Id$ *)
(* Dump a compilation unit description *)
open Config
open Emitcode
let print_digest d =
for i = 0 to String.length d - 1 do
Printf.printf "%02x" (Char.code d.[i])
done
let print_info cu =
print_string " Unit name: "; print_string cu.cu_name; print_newline();
print_string " Digest of interface implemented: ";
print_digest cu.cu_interface; print_newline();
print_string " Interfaces imported:"; print_newline();
List.iter
(fun (name, digest) ->
print_string "\t"; print_digest digest; print_string "\t";
print_string name; print_newline())
cu.cu_imports;
print_string " Uses unsafe features: ";
begin match cu.cu_primitives with
[] -> print_string "no"; print_newline()
| l -> print_string "YES"; print_newline();
print_string " Primitives declared in this module:";
print_newline();
List.iter
(fun name -> print_string "\t"; print_string name; print_newline())
l
end
let dump_obj filename =
print_string "File "; print_string filename; print_newline();
let ic = open_in_bin filename in
let buffer = String.create (String.length cmo_magic_number) in
really_input ic buffer 0 (String.length cmo_magic_number);
if buffer = cmo_magic_number then begin
let cu_pos = input_binary_int ic in
seek_in ic cu_pos;
let cu = (input_value ic : compilation_unit) in
close_in ic;
print_info cu
end else
if buffer = cma_magic_number then begin
let toc_pos = input_binary_int ic in
seek_in ic toc_pos;
let toc = (input_value ic : compilation_unit list) in
close_in ic;
List.iter print_info toc
end else begin
prerr_endline "Not an object file"; exit 2
end
let main() =
for i = 1 to Array.length Sys.argv - 1 do
dump_obj Sys.argv.(i)
done;
exit 0
let _ = Printexc.catch main (); exit 0