86 lines
2.6 KiB
OCaml
86 lines
2.6 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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(* Automatique. Distributed only by permission. *)
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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 Format
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open Mach
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open Printmach
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open Linearize
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let label l =
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print_string "L"; print_int 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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open_hovbox 1;
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print_string "{";
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regsetaddr i.live;
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print_string "}";
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close_box();
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print_cut()
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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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label lbl; print_string ":"
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| Lbranch lbl ->
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print_string "goto "; label lbl
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| Lcondbranch(tst, lbl) ->
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print_string "if "; test tst i.arg; print_string " goto "; 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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print_cut();
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print_string "case "; print_int n;
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print_string ": goto "; label lbl in
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case 0 lbl0; case 1 lbl1; case 2 lbl2;
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print_cut(); print_string "endswitch"
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| Lswitch lblv ->
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print_string "switch "; reg i.arg.(0);
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for i = 0 to Array.length lblv - 1 do
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print_cut();
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print_string "case "; print_int i;
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print_string ": goto "; label lblv.(i)
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done;
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print_cut(); print_string "endswitch"
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| Lsetuptrap lbl ->
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print_string "setup trap "; 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 i =
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match i.desc with
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Lend -> ()
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| _ -> instr i; print_cut(); all_instr i.next
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let fundecl f =
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open_vbox 2;
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print_string f.fun_name; print_string ":"; print_cut();
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all_instr f.fun_body;
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close_box()
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