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