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(* *********************************************************************)
(* *)
(* The Compcert verified compiler *)
(* *)
(* Xavier Leroy, INRIA Paris-Rocquencourt *)
(* *)
(* Copyright Institut National de Recherche en Informatique et en *)
(* Automatique. All rights reserved. This file is distributed *)
(* under the terms of the INRIA Non-Commercial License Agreement. *)
(* *)
(* *********************************************************************)
(* Identifiers referenced from an IA32 Asm instruction *)
open Datatypes
open AST
open Asm
let referenced_addr (Addrmode(base, ofs, const)) =
match const with
| Coq_inl n -> []
| Coq_inr(s, ofs) -> [s]
let referenced_builtin ef =
match ef with
| EF_vload_global(chunk, id, ofs) -> [id]
| EF_vstore_global(chunk, id, ofs) -> [id]
| _ -> []
let referenced_instr = function
| Pmov_rm (_, a) | Pmov_mr (a, _)
| Pmovsd_fm (_, a) | Pmovsd_mf(a, _)
| Pfld_m a | Pfstp_m a
| Pmovb_mr (a, _) | Pmovw_mr (a, _)
| Pmovzb_rm (_, a) | Pmovsb_rm (_, a)
| Pmovzw_rm (_, a) | Pmovsw_rm (_, a)
| Pcvtss2sd_fm (_, a) | Pcvtsd2ss_mf (a, _) | Plea (_, a) -> referenced_addr a
| Pjmp_s(s, _) -> [s]
| Pcall_s(s, _) -> [s]
| Pbuiltin(ef, args, res) -> referenced_builtin ef
| _ -> []
let code_of_function f = f.fn_code
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