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ocaml/0002-ocamlbyteinfo-ocamlplugininfo-Useful-utilities-from-.patch

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From 118057a71576cb39d71633bf80a37815bf4ff932 Mon Sep 17 00:00:00 2001
From: "Richard W.M. Jones" <rjones@redhat.com>
Date: Tue, 29 May 2012 20:40:36 +0100
Subject: [PATCH 2/8] ocamlbyteinfo, ocamlplugininfo: Useful utilities from
Debian, sent upstream.
See:
http://git.debian.org/?p=pkg-ocaml-maint/packages/ocaml.git;a=tree;f=debian/ocamlbyteinfo;hb=HEAD
---
ocamlbyteinfo.ml | 101 +++++++++++++++++++++++++++++++++++++++++
ocamlplugininfo.ml | 109 +++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 210 insertions(+)
create mode 100644 ocamlbyteinfo.ml
create mode 100644 ocamlplugininfo.ml
diff --git a/ocamlbyteinfo.ml b/ocamlbyteinfo.ml
new file mode 100644
index 000000000..0a537e4d5
--- /dev/null
+++ b/ocamlbyteinfo.ml
@@ -0,0 +1,101 @@
+(***********************************************************************)
+(* *)
+(* Objective Caml *)
+(* *)
+(* Xavier Leroy, projet Gallium, INRIA Rocquencourt *)
+(* *)
+(* Copyright 2009 Institut National de Recherche en Informatique et *)
+(* en Automatique. All rights reserved. This file is distributed *)
+(* under the terms of the GNU Library General Public License, with *)
+(* the special exception on linking described in file ../../LICENSE. *)
+(* *)
+(***********************************************************************)
+
+(* $Id$ *)
+
+(* Dumps a bytecode binary file *)
+
+open Sys
+open Dynlinkaux
+
+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 = Bytes.create len in
+ let _ = really_input ic sect 0 len in
+ get_string_list (Bytes.to_string sect) len
+
+let print = Printf.printf
+let perr s =
+ Printf.eprintf "%s\n" s;
+ exit(1)
+let p_title title = print "%s:\n" title
+
+let p_section title format pdata = function
+ | [] -> ()
+ | l ->
+ p_title title;
+ List.iter
+ (fun (name, data) -> print format (pdata data) name)
+ l
+
+let p_list title format = function
+ | [] -> ()
+ | l ->
+ p_title title;
+ List.iter
+ (fun name -> print format name)
+ l
+
+let _ =
+ try
+ let input_name = Sys.argv.(1) in
+ let ic = open_in_bin input_name in
+ Bytesections.read_toc ic;
+ 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"
+ "\t%s\t%s\n"
+ Digest.to_hex
+ (input_value ic : (string * Digest.t) list)
+ | "DLLS" ->
+ p_list
+ "Used Dlls" "\t%s\n"
+ (input_stringlist ic len)
+ | "DLPT" ->
+ p_list
+ "Additional Dll paths"
+ "\t%s\n"
+ (input_stringlist ic len)
+ | "PRIM" ->
+ let prims = (input_stringlist ic len) in
+ print "Uses unsafe features: ";
+ begin match prims with
+ [] -> print "no\n"
+ | l -> print "YES\n";
+ p_list "Primitives declared in this module"
+ "\t%s\n"
+ l
+ end
+ | _ -> ()
+ with Not_found | Failure _ | Invalid_argument _ -> ()
+ )
+ ["CRCS"; "DLLS"; "DLPT"; "PRIM"];
+ close_in ic
+ with
+ | Sys_error msg ->
+ perr msg
+ | Invalid_argument("index out of bounds") ->
+ perr (Printf.sprintf "Usage: %s filename" Sys.argv.(0))
diff --git a/ocamlplugininfo.ml b/ocamlplugininfo.ml
new file mode 100644
index 000000000..e28800f31
--- /dev/null
+++ b/ocamlplugininfo.ml
@@ -0,0 +1,109 @@
+(***********************************************************************)
+(* *)
+(* Objective Caml *)
+(* *)
+(* Xavier Leroy, projet Gallium, INRIA Rocquencourt *)
+(* *)
+(* Copyright 2009 Institut National de Recherche en Informatique et *)
+(* en Automatique. All rights reserved. This file is distributed *)
+(* under the terms of the GNU Library General Public License, with *)
+(* the special exception on linking described in file ../../LICENSE. *)
+(* *)
+(***********************************************************************)
+
+(* $Id$ *)
+
+(* Dumps a .cmxs file *)
+
+open Natdynlink
+open Format
+
+let file =
+ try
+ Sys.argv.(1)
+ with _ -> begin
+ Printf.eprintf "Usage: %s file.cmxs\n" Sys.argv.(0);
+ exit(1)
+ end
+
+exception Abnormal_exit
+
+let error s e =
+ let eprint = Printf.eprintf in
+ let print_exc s = function
+ | End_of_file ->
+ eprint "%s: %s\n" s file
+ | Abnormal_exit ->
+ eprint "%s\n" s
+ | e -> eprint "%s\n" (Printexc.to_string e)
+ in
+ print_exc s e;
+ exit(1)
+
+let read_in command =
+ let cmd = Printf.sprintf command file in
+ let ic = Unix.open_process_in cmd in
+ try
+ let line = input_line ic in
+ begin match (Unix.close_process_in ic) with
+ | Unix.WEXITED 0 -> Str.split (Str.regexp "[ ]+") line
+ | Unix.WEXITED _ | Unix.WSIGNALED _ | Unix.WSTOPPED _ ->
+ error
+ (Printf.sprintf
+ "Command \"%s\" exited abnormally"
+ cmd
+ )
+ Abnormal_exit
+ end
+ with e -> error "File is empty" e
+
+let get_offset adr_off adr_sec =
+ try
+ let adr = List.nth adr_off 4 in
+ let off = List.nth adr_off 5 in
+ let sec = List.hd adr_sec in
+
+ let (!) x = Int64.of_string ("0x" ^ x) in
+ let (+) = Int64.add in
+ let (-) = Int64.sub in
+
+ Int64.to_int (!off + !sec - !adr)
+
+ with Failure _ | Invalid_argument _ ->
+ error
+ "Command output doesn't have the expected format"
+ Abnormal_exit
+
+let print_infos name crc defines cmi cmx =
+ let print_name_crc (name, crc) =
+ printf "@ %s (%s)" name (Digest.to_hex crc)
+ in
+ let pr_imports ppf imps = List.iter print_name_crc imps in
+ printf "Name: %s@." name;
+ printf "CRC of implementation: %s@." (Digest.to_hex crc);
+ printf "@[<hov 2>Globals defined:";
+ List.iter (fun s -> printf "@ %s" s) defines;
+ printf "@]@.";
+ printf "@[<v 2>Interfaces imported:%a@]@." pr_imports cmi;
+ printf "@[<v 2>Implementations imported:%a@]@." pr_imports cmx
+
+let _ =
+ let adr_off = read_in "objdump -h %s | grep ' .data '" in
+ let adr_sec = read_in "objdump -T %s | grep ' caml_plugin_header$'" in
+
+ let ic = open_in file in
+ let _ = seek_in ic (get_offset adr_off adr_sec) in
+ let header = (input_value ic : Natdynlink.dynheader) in
+ if header.magic <> Natdynlink.dyn_magic_number then
+ raise(Error(Natdynlink.Not_a_bytecode_file file))
+ else begin
+ List.iter
+ (fun ui ->
+ print_infos
+ ui.name
+ ui.crc
+ ui.defines
+ ui.imports_cmi
+ ui.imports_cmx)
+ header.units
+ end
--
2.17.1
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