279 lines
9.1 KiB
OCaml
279 lines
9.1 KiB
OCaml
(***********************************************************************)
|
|
(* *)
|
|
(* OCaml *)
|
|
(* *)
|
|
(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
|
|
(* Mehdi Dogguy, PPS laboratory, University Paris Diderot *)
|
|
(* *)
|
|
(* Copyright 1996 Institut National de Recherche en Informatique et *)
|
|
(* en Automatique. Modifications Copyright 2010 Mehdi Dogguy, *)
|
|
(* used and distributed as part of OCaml by permission from *)
|
|
(* the author. This file is distributed under the terms of the *)
|
|
(* Q Public License version 1.0. *)
|
|
(* *)
|
|
(***********************************************************************)
|
|
|
|
(* Dump info on .cmi, .cmo, .cmx, .cma, .cmxa, .cmxs files
|
|
and on bytecode executables. *)
|
|
|
|
open Printf
|
|
open Misc
|
|
open Config
|
|
open Cmo_format
|
|
open Clambda
|
|
|
|
let input_stringlist ic len =
|
|
let get_string_list sect len =
|
|
let rec fold s e acc =
|
|
if e != len then
|
|
if sect.[e] = '\000' then
|
|
fold (e+1) (e+1) (String.sub sect s (e-s) :: acc)
|
|
else fold s (e+1) acc
|
|
else acc
|
|
in fold 0 0 []
|
|
in
|
|
let sect = Misc.input_bytes ic len in
|
|
get_string_list sect len
|
|
|
|
let print_name_crc (name, crc) =
|
|
printf "\t%s\t%s\n" (Digest.to_hex crc) name
|
|
|
|
let print_line name =
|
|
printf "\t%s\n" name
|
|
|
|
let print_cmo_infos cu =
|
|
printf "Unit name: %s\n" cu.cu_name;
|
|
print_string "Interfaces imported:\n";
|
|
List.iter print_name_crc cu.cu_imports;
|
|
printf "Uses unsafe features: ";
|
|
(match cu.cu_primitives with
|
|
| [] -> printf "no\n"
|
|
| l ->
|
|
printf "YES\n";
|
|
printf "Primitives declared in this module:\n";
|
|
List.iter print_line l);
|
|
printf "Force link: %s\n" (if cu.cu_force_link then "YES" else "no")
|
|
|
|
let rec print_approx_infos ppf = function
|
|
Value_closure(fundesc, approx) ->
|
|
Format.fprintf ppf "@[<2>function %s@ arity %i"
|
|
fundesc.fun_label fundesc.fun_arity;
|
|
if fundesc.fun_closed then begin
|
|
Format.fprintf ppf "@ (closed)"
|
|
end;
|
|
if fundesc.fun_inline <> None then begin
|
|
Format.fprintf ppf "@ (inline)"
|
|
end;
|
|
Format.fprintf ppf "@ -> @ %a@]" print_approx_infos approx
|
|
| Value_tuple approx ->
|
|
let tuple ppf approx =
|
|
for i = 0 to Array.length approx - 1 do
|
|
if i > 0 then Format.fprintf ppf ";@ ";
|
|
Format.fprintf ppf "%i: %a" i print_approx_infos approx.(i)
|
|
done in
|
|
Format.fprintf ppf "@[<hov 1>(%a)@]" tuple approx
|
|
| Value_unknown ->
|
|
Format.fprintf ppf "_"
|
|
| Value_integer n ->
|
|
Format.fprintf ppf "%d" n
|
|
| Value_constptr n ->
|
|
Format.fprintf ppf "%dp" n
|
|
|
|
let print_spaced_string s =
|
|
printf " %s" s
|
|
|
|
let print_cma_infos (lib : Cmo_format.library) =
|
|
printf "Force custom: %s\n" (if lib.lib_custom then "YES" else "no");
|
|
printf "Extra C object files:";
|
|
(* PR#4949: print in linking order *)
|
|
List.iter print_spaced_string (List.rev lib.lib_ccobjs);
|
|
printf "\nExtra C options:";
|
|
List.iter print_spaced_string lib.lib_ccopts;
|
|
printf "\n";
|
|
print_string "Extra dynamically-loaded libraries:";
|
|
List.iter print_spaced_string lib.lib_dllibs;
|
|
printf "\n";
|
|
List.iter print_cmo_infos lib.lib_units
|
|
|
|
let print_cmi_infos name sign crcs =
|
|
printf "Unit name: %s\n" name;
|
|
printf "Interfaces imported:\n";
|
|
List.iter print_name_crc crcs
|
|
|
|
let print_general_infos name crc defines cmi cmx =
|
|
printf "Name: %s\n" name;
|
|
printf "CRC of implementation: %s\n" (Digest.to_hex crc);
|
|
printf "Globals defined:\n";
|
|
List.iter print_line defines;
|
|
printf "Interfaces imported:\n";
|
|
List.iter print_name_crc cmi;
|
|
printf "Implementations imported:\n";
|
|
List.iter print_name_crc cmx
|
|
|
|
open Cmx_format
|
|
|
|
let print_cmx_infos (ui, crc) =
|
|
print_general_infos
|
|
ui.ui_name crc ui.ui_defines ui.ui_imports_cmi ui.ui_imports_cmx;
|
|
printf "Approximation:\n";
|
|
Format.fprintf Format.std_formatter " %a@." print_approx_infos ui.ui_approx;
|
|
let pr_funs _ fns =
|
|
List.iter (fun arity -> printf " %d" arity) fns in
|
|
printf "Currying functions:%a\n" pr_funs ui.ui_curry_fun;
|
|
printf "Apply functions:%a\n" pr_funs ui.ui_apply_fun;
|
|
printf "Send functions:%a\n" pr_funs ui.ui_send_fun;
|
|
printf "Force link: %s\n" (if ui.ui_force_link then "YES" else "no")
|
|
|
|
let print_cmxa_infos (lib : Cmx_format.library_infos) =
|
|
printf "Extra C object files:";
|
|
List.iter print_spaced_string (List.rev lib.lib_ccobjs);
|
|
printf "\nExtra C options:";
|
|
List.iter print_spaced_string lib.lib_ccopts;
|
|
printf "\n";
|
|
List.iter print_cmx_infos lib.lib_units
|
|
|
|
let print_cmxs_infos header =
|
|
List.iter
|
|
(fun ui ->
|
|
print_general_infos
|
|
ui.dynu_name
|
|
ui.dynu_crc
|
|
ui.dynu_defines
|
|
ui.dynu_imports_cmi
|
|
ui.dynu_imports_cmx)
|
|
header.dynu_units
|
|
|
|
let p_title title = printf "%s:\n" title
|
|
|
|
let p_section title = function
|
|
| [] -> ()
|
|
| l ->
|
|
p_title title;
|
|
List.iter print_name_crc l
|
|
|
|
let p_list title print = function
|
|
| [] -> ()
|
|
| l ->
|
|
p_title title;
|
|
List.iter print l
|
|
|
|
let dump_byte ic =
|
|
Bytesections.read_toc ic;
|
|
let toc = Bytesections.toc () in
|
|
let toc = List.sort Pervasives.compare toc in
|
|
List.iter
|
|
(fun (section, _) ->
|
|
try
|
|
let len = Bytesections.seek_section ic section in
|
|
if len > 0 then match section with
|
|
| "CRCS" ->
|
|
p_section
|
|
"Imported units"
|
|
(input_value ic : (string * Digest.t) list)
|
|
| "DLLS" ->
|
|
p_list
|
|
"Used DLLs"
|
|
print_line
|
|
(input_stringlist ic len)
|
|
| "DLPT" ->
|
|
p_list
|
|
"Additional DLL paths"
|
|
print_line
|
|
(input_stringlist ic len)
|
|
| "PRIM" ->
|
|
p_list
|
|
"Primitives used"
|
|
print_line
|
|
(input_stringlist ic len)
|
|
| _ -> ()
|
|
with _ -> ()
|
|
)
|
|
toc
|
|
|
|
let read_dyn_header filename ic =
|
|
let tempfile = Filename.temp_file "objinfo" ".out" in
|
|
let helper = Filename.concat Config.standard_library "objinfo_helper" in
|
|
try
|
|
try_finally
|
|
(fun () ->
|
|
let rc = Sys.command (sprintf "%s %s > %s"
|
|
(Filename.quote helper)
|
|
(Filename.quote filename)
|
|
tempfile) in
|
|
if rc <> 0 then failwith "cannot read";
|
|
let tc = open_in tempfile in
|
|
try_finally
|
|
(fun () ->
|
|
let ofs = Scanf.fscanf tc "%Ld" (fun x -> x) in
|
|
LargeFile.seek_in ic ofs;
|
|
Some(input_value ic : dynheader))
|
|
(fun () -> close_in tc))
|
|
(fun () -> remove_file tempfile)
|
|
with Failure _ | Sys_error _ -> None
|
|
|
|
let dump_obj filename =
|
|
printf "File %s\n" filename;
|
|
let ic = open_in_bin filename in
|
|
let len_magic_number = String.length cmo_magic_number in
|
|
let magic_number = Misc.input_bytes ic len_magic_number in
|
|
if magic_number = 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_cmo_infos cu
|
|
end else if magic_number = cma_magic_number then begin
|
|
let toc_pos = input_binary_int ic in
|
|
seek_in ic toc_pos;
|
|
let toc = (input_value ic : library) in
|
|
close_in ic;
|
|
print_cma_infos toc
|
|
end else if magic_number = cmi_magic_number then begin
|
|
let cmi = Cmi_format.input_cmi ic in
|
|
close_in ic;
|
|
print_cmi_infos cmi.Cmi_format.cmi_name cmi.Cmi_format.cmi_sign
|
|
cmi.Cmi_format.cmi_crcs
|
|
end else if magic_number = cmx_magic_number then begin
|
|
let ui = (input_value ic : unit_infos) in
|
|
let crc = Digest.input ic in
|
|
close_in ic;
|
|
print_cmx_infos (ui, crc)
|
|
end else if magic_number = cmxa_magic_number then begin
|
|
let li = (input_value ic : library_infos) in
|
|
close_in ic;
|
|
print_cmxa_infos li
|
|
end else begin
|
|
let pos_trailer = in_channel_length ic - len_magic_number in
|
|
let _ = seek_in ic pos_trailer in
|
|
let _ = really_input ic magic_number 0 len_magic_number in
|
|
if magic_number = Config.exec_magic_number then begin
|
|
dump_byte ic;
|
|
close_in ic
|
|
end else if Filename.check_suffix filename ".cmxs" then begin
|
|
flush stdout;
|
|
match read_dyn_header filename ic with
|
|
| None ->
|
|
printf "Unable to read info on file %s\n" filename;
|
|
exit 2
|
|
| Some header ->
|
|
if header.dynu_magic = Config.cmxs_magic_number then
|
|
print_cmxs_infos header
|
|
else begin
|
|
printf "Wrong magic number\n"; exit 2
|
|
end;
|
|
close_in ic
|
|
end else begin
|
|
printf "Not an OCaml object file\n"; exit 2
|
|
end
|
|
end
|
|
|
|
let arg_list = []
|
|
let arg_usage =
|
|
Printf.sprintf "%s [OPTIONS] FILES : give information on files" Sys.argv.(0)
|
|
|
|
let main() =
|
|
Arg.parse arg_list dump_obj arg_usage;
|
|
exit 0
|
|
|
|
let _ = main ()
|