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|
(***********************************************************************)
(* *)
(* Objective Caml *)
(* *)
(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
(* *)
(* Copyright 1996 Institut National de Recherche en Informatique et *)
(* en Automatique. All rights reserved. This file is distributed *)
(* under the terms of the Q Public License version 1.0. *)
(* *)
(***********************************************************************)
(* $Id$ *)
(* Pretty-printing of linearized machine code *)
open Formatmsg
open Mach
open Printmach
open Linearize
let label l =
print_string "L"; print_int l
let instr i =
match i.desc with
Lend -> ()
| Lop op ->
begin match op with
Ialloc _ | Icall_ind | Icall_imm _ | Iextcall(_, _) ->
open_box 1;
print_string "{";
regsetaddr i.live;
print_string "}";
close_box();
print_cut()
| _ -> ()
end;
operation op i.arg i.res
| Lreloadretaddr ->
print_string "reload retaddr"
| Lreturn ->
print_string "return "; regs i.arg
| Llabel lbl ->
label lbl; print_string ":"
| Lbranch lbl ->
print_string "goto "; label lbl
| Lcondbranch(tst, lbl) ->
print_string "if "; test tst i.arg; print_string " goto "; label lbl
| Lcondbranch3(lbl0, lbl1, lbl2) ->
print_string "switch3 "; reg i.arg.(0);
let case n = function
None -> ()
| Some lbl ->
print_cut();
print_string "case "; print_int n;
print_string ": goto "; label lbl in
case 0 lbl0; case 1 lbl1; case 2 lbl2;
print_cut(); print_string "endswitch"
| Lswitch lblv ->
print_string "switch "; reg i.arg.(0);
for i = 0 to Array.length lblv - 1 do
print_cut();
print_string "case "; print_int i;
print_string ": goto "; label lblv.(i)
done;
print_cut(); print_string "endswitch"
| Lsetuptrap lbl ->
print_string "setup trap "; label lbl
| Lpushtrap ->
print_string "push trap"
| Lpoptrap ->
print_string "pop trap"
| Lraise ->
print_string "raise "; reg i.arg.(0)
let rec all_instr i =
match i.desc with
Lend -> ()
| _ -> instr i; print_cut(); all_instr i.next
let fundecl f =
open_vbox 2;
print_string f.fun_name; print_string ":"; print_cut();
all_instr f.fun_body;
close_box()
|
