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|
(* *********************************************************************)
(* *)
(* The Compcert verified compiler *)
(* *)
(* Bernhard Schommer, AbsInt Angewandte Informatik GmbH *)
(* Michael Schmidt, AbsInt Angewandte Informatik GmbH *)
(* *)
(* AbsInt Angewandte Informatik GmbH. All rights reserved. This file *)
(* is distributed under the terms of the INRIA Non-Commercial *)
(* License Agreement. *)
(* *)
(* *********************************************************************)
(* Simple functions to serialize arm Asm to JSON *)
open Asm
open AST
open BinNums
open Camlcoq
open Json
module StringSet = Set.Make(String)
let mnemonic_names = StringSet.of_list
[ "Padc"; "Padd"; "Padds"; "Pand";"Pannot"; "Pasr"; "Pb"; "Pbc"; "Pbic";
"Pblreg"; "Pblsymb"; "Pbne"; "Pbreg"; "Pbsymb"; "Pbtbl"; "Pclz"; "Pcmp";
"Pcmn"; "Pconstants"; "Pfcpy_iif"; "Pfcpy_fii"; "Pfcpy_fi"; "Pfcpy_sf";
"Pflid_lbl"; "Pflis_lbl"; "Pdmb"; "Pdsb"; "Peor"; "Pfabsd"; "Pfabss";
"Pfaddd"; "Pfadds"; "Pfcmpd"; "Pfcmps"; "Pfcmpzd"; "Pfcmpzs"; "Pfcpyd";
"Pfcpy_fs"; "Pfcpy_if";"Pfcvtds"; "Pfcvtsd"; "Pfdivd"; "Pfdivs"; "Pfldd";
"Pflid"; "Pflds"; "Pflid_imm"; "Pflis_imm"; "Pfmuld"; "Pfmuls"; "Pfnegd";
"Pfnegs"; "Pfsitod"; "Pfsitos"; "Pfsqrt"; "Pfstd"; "Pfsts"; "Pfsubd";
"Pfsubs"; "Pftosizd"; "Pftosizs"; "Pftouizd"; "Pftouizs"; "Pfuitod";
"Pfuitos"; "Pinlineasm"; "Pisb"; "Plabel"; "Pldr"; "Ploadsymbol_lbl";
"Pldr_p"; "Pldrb"; "Pldrb_p"; "Pldrh"; "Pldrh_p"; "Pldrsb"; "Pldrsh";
"Plsl"; "Plsr"; "Pmla"; "Pmov"; "Pmovite"; "Pfmovite"; "Pmovt"; "Pmovw";
"Pmul"; "Pmvn"; "Ploadsymbol_imm"; "Pnop"; "Porr"; "Ppush"; "Prev";
"Prev16"; "Prsb"; "Prsbs"; "Prsc"; "Psbc"; "Psbfx"; "Psdiv"; "Psmull";
"Pstr"; "Pstr_p"; "Pstrb"; "Pstrb_p"; "Pstrh"; "Pstrh_p"; "Psub"; "Psubs";
"Pudiv";"Pumull" ]
type instruction_arg =
| ALabel of positive
| Atom of positive
| Data32 of Integers.Int.int
| Data64 of Integers.Int64.int
| DFreg of freg
| Float32 of Floats.float32
| Float64 of Floats.float
| Id
| Ireg of ireg
| Long of Integers.Int.int
| SFreg of freg
| SPreg of sreg
| Shift of shift_op
| String of string
| Symbol of ident * BinNums.coq_Z
| Condition of string
let makedata (c : code_constant) : instruction_arg =
match c with
| Asm.Float32(_, f) -> Data32 (Floats.Float32.to_bits f)
| Asm.Float64(_, f) -> Data64 (Floats.Float.to_bits f)
| Asm.Symbol(_, id, ofs) -> Symbol(id, ofs)
let pp_reg pp reg =
pp_jsingle_object pp "Register" pp_jstring reg
let pp_ireg pp reg =
pp_reg pp (TargetPrinter.int_reg_name reg)
let pp_freg pp reg =
pp_reg pp (TargetPrinter.float_reg_name reg)
let pp_single_freg pp reg =
pp_reg pp (TargetPrinter.single_float_reg_name reg)
let pp_single_param_reg pp reg =
pp_reg pp (TargetPrinter.single_param_reg_name reg)
let pp_shiftreg pp (r, op, n) =
pp_jobject_start pp;
pp_jmember ~first:true pp "Register" pp_jstring (TargetPrinter.int_reg_name r);
pp_jmember pp "Op" pp_jstring op;
pp_jmember pp "Amount" pp_z n;
pp_jobject_end pp
let pp_shiftop pp so =
let (r, op, n) = match so with
| SOimm n -> (None, None, Some n)
| SOreg r -> (Some r, None, None)
| SOlsl(r, n) -> (Some r, Some "lsl", Some n)
| SOlsr(r, n) -> (Some r, Some "lsr", Some n)
| SOasr(r, n) -> (Some r, Some "asr", Some n)
| SOror(r, n) -> (Some r, Some "ror", Some n)
in
match (r, op, n) with
| (None, None, Some n) -> pp_jsingle_object pp "Integer" pp_int64 n
| (Some r, None, None) -> pp_ireg pp r
| (Some r, Some op, Some n) -> pp_jsingle_object pp "ShiftedRegister" pp_shiftreg (r, op, n)
| _ -> assert false
let pp_testcond pp bit =
pp_jsingle_object pp "Condition" pp_jstring bit
let pp_label pp l =
pp_jsingle_object pp "Label" pp_jint32 (P.to_int32 l)
let pp_symbol pp (id, ofs) =
pp_jobject_start pp;
pp_jmember ~first:true pp "Name" pp_atom id;
pp_jmember pp "Offset" pp_z ofs;
pp_jobject_end pp
let pp_arg pp = function
| ALabel lbl -> pp_label pp lbl
| Atom a -> pp_atom_constant pp a
| Data32 i -> pp_jsingle_object pp "Data32" pp_int i
| Data64 i -> pp_jsingle_object pp "Data64" pp_int64 i
| DFreg fr -> pp_freg pp fr
| Float32 f -> pp_float32_constant pp f
| Float64 f -> pp_float64_constant pp f
| Id -> pp_id_const pp ()
| Ireg ir -> pp_ireg pp ir
| Long i -> pp_jsingle_object pp "Integer" pp_int64 i
| SFreg fr -> pp_single_freg pp fr
| SPreg sr -> pp_single_param_reg pp sr
| Shift so -> pp_shiftop pp so
| String s -> pp_jsingle_object pp "String" pp_jstring s
| Symbol (id, ofs) -> pp_jsingle_object pp "Symbol" pp_symbol (id, ofs)
| Condition b -> pp_testcond pp b
let pp_instructions pp ic =
let ic = List.filter (fun s -> match s with
| Pbuiltin (ef,args,_) ->
begin match ef with
| EF_inline_asm _ -> true
| EF_annot (kind,txt,targs) ->
P.to_int kind = 2 && AisAnnot.json_ais_annot TargetPrinter.preg_annot "r13" (camlstring_of_coqstring txt) args <> []
| _ -> false
end
(* Only debug relevant *)
| Pcfi_adjust _
| Pcfi_rel_offset _ -> false
| _ -> true) ic in
let instruction pp n args =
assert (StringSet.mem n mnemonic_names);
pp_jobject_start pp;
pp_jmember ~first:true pp "Instruction Name" pp_jstring n;
pp_jmember pp "Args" (pp_jarray pp_arg) args;
pp_jobject_end pp
in
let [@ocaml.warning "+4"] instruction pp = function
| Pbuiltin (ef, args, _) ->
begin match ef with
| EF_inline_asm _ ->
instruction pp "Pinlineasm" [Id];
Diagnostics.(warning no_loc Inline_asm_sdump "inline assembler is not supported in sdump")
| EF_annot (kind,txt, targs) ->
begin match P.to_int kind with
| 2 ->
let annots = AisAnnot.json_ais_annot TargetPrinter.preg_annot "r13" (camlstring_of_coqstring txt) args in
let annots = List.map (function
| AisAnnot.String s -> String s
| AisAnnot.Symbol s -> Atom s
| AisAnnot.Label _ -> assert false (* should never happen *)
) annots in
instruction pp "Pannot" annots
| _ -> assert false
end
(* Builtins that are not exported to JSON *)
| EF_annot_val _
| EF_builtin _
| EF_debug _
| EF_external _
| EF_free
| EF_malloc
| EF_memcpy _
| EF_runtime _
| EF_vload _
| EF_vstore _ -> assert false
end
(* Stackframe, should not occur *)
| Pallocframe _ -> assert false
| Pfreeframe _ -> assert false
(* Call Frame Information, only debug relevant and not exported *)
| Pcfi_adjust _ -> assert false
| Pcfi_rel_offset _ -> assert false
(* Should be eliminated in constant expansion step *)
| Pflis(r1, f) -> assert false
| Ploadsymbol(r1, id, ofs) -> assert false
(* ARM instructions *)
| Padc(r1, r2, so) -> instruction pp "Padc" [Ireg r1; Ireg r2; Shift so]
| Padd(r1, r2, so) -> instruction pp "Padd" [Ireg r1; Ireg r2; Shift so]
| Padds(r1, r2, so) -> instruction pp "Padds" [Ireg r1; Ireg r2; Shift so]
| Pand(r1, r2, so) -> instruction pp "Pand" [Ireg r1; Ireg r2; Shift so]
| Pasr(r1, r2, r3) -> instruction pp "Pasr" [Ireg r1; Ireg r2; Ireg r3]
| Pb(lbl) -> instruction pp "Pb" [ALabel lbl]
| Pbc(bit, lbl) -> instruction pp "Pbc" [Condition (TargetPrinter.condition_name bit); ALabel lbl]
| Pbic(r1, r2, so) -> instruction pp "Pbic" [Ireg r1; Ireg r2; Shift so]
| Pblreg(r, sg) -> instruction pp "Pblreg" [Ireg r]
| Pblsymb(id, sg) -> instruction pp "Pblsymb" [Atom id]
| Pbne(lbl) -> instruction pp "Pbne" [ALabel lbl]
| Pbreg(r, sg) -> instruction pp "Pbreg" [Ireg r]
| Pbsymb(id, sg) -> instruction pp "Pbsymb" [Atom id]
| Pbtbl(r, tbl) -> instruction pp "Pbtbl" ((Ireg r)::(List.map (fun a -> ALabel a) tbl))
| Pclz(r1, r2) -> instruction pp "Pclz" [Ireg r1; Ireg r2]
| Pcmp(r1,so) -> instruction pp "Pcmp" [Ireg r1; Shift so]
| Pcmn(r1,so) -> instruction pp "Pcmn" [Ireg r1; Shift so]
| Pdmb -> instruction pp "Pdmb" []
| Pdsb -> instruction pp "Pdsb" []
| Peor(r1, r2, so) -> instruction pp "Peor" [Ireg r1; Ireg r2; Shift so]
| Pfabsd(r1, r2) -> instruction pp "Pfabsd" [DFreg r1; DFreg r2]
| Pfabss(r1, r2) -> instruction pp "Pfabss" [SFreg r1; SFreg r2]
| Pfaddd(r1, r2, r3) -> instruction pp "Pfaddd" [DFreg r1; DFreg r2; DFreg r3]
| Pfadds(r1, r2, r3) -> instruction pp "Pfadds" [SFreg r1; SFreg r2; SFreg r3]
| Pfcmpd(r1, r2) -> instruction pp "Pfcmpd" [DFreg r1; DFreg r2]
| Pfcmps(r1, r2) -> instruction pp "Pfcmps" [SFreg r1; SFreg r2]
| Pfcmpzd(r1) -> instruction pp "Pfcmpzd" [DFreg r1]
| Pfcmpzs(r1) -> instruction pp "Pfcmpzs" [SFreg r1]
| Pfcpyd(r1, r2) -> instruction pp "Pfcpyd" [DFreg r1; DFreg r2]
| Pfcvtds(r1, r2) -> instruction pp "Pfcvtds" [DFreg r1; SFreg r2]
| Pfcvtsd(r1, r2) -> instruction pp "Pfcvtsd" [SFreg r1; DFreg r2]
| Pfdivd(r1, r2, r3) -> instruction pp "Pfdivd" [DFreg r1; DFreg r2; DFreg r3]
| Pfdivs(r1, r2, r3) -> instruction pp "Pfdivs" [SFreg r1; SFreg r2; SFreg r3]
| Pfldd(r1, r2, n) | Pfldd_a(r1, r2, n) -> instruction pp "Pfldd" [DFreg r1; Ireg r2; Long n]
| Pflds(r1, r2, n) -> instruction pp "Pflds" [SFreg r1; Ireg r2; Long n]
| Pflid(r1, f) -> instruction pp "Pflid" [DFreg r1; Float64 f]
| Pfmuld(r1, r2, r3) -> instruction pp "Pfmuld" [DFreg r1; DFreg r2; DFreg r3]
| Pfmuls(r1, r2, r3) -> instruction pp "Pfmuls" [SFreg r1; SFreg r2; SFreg r3]
| Pfnegd(r1, r2) -> instruction pp "Pfnegd" [DFreg r1; DFreg r2]
| Pfnegs(r1, r2) -> instruction pp "Pfnegs" [SFreg r1; SFreg r2]
| Pfsitod(r1, r2) -> instruction pp "Pfsitod" [DFreg r1; Ireg r2]
| Pfsitos(r1, r2) -> instruction pp "Pfsitos" [SFreg r1; Ireg r2]
| Pfsqrt(r1, r2) -> instruction pp "Pfsqrt" [DFreg r1; DFreg r2]
| Pfstd(r1, r2, n) | Pfstd_a(r1, r2, n) -> instruction pp "Pfstd" [DFreg r1; Ireg r2; Long n]
| Pfsts(r1, r2, n) -> instruction pp "Pfsts" [SFreg r1; Ireg r2; Long n]
| Pfsubd(r1, r2, r3) -> instruction pp "Pfsubd" [DFreg r1; DFreg r2; DFreg r3]
| Pfsubs(r1, r2, r3) -> instruction pp "Pfsubs" [SFreg r1; SFreg r2; SFreg r3]
| Pftosizd(r1, r2) -> instruction pp "Pftosizd" [Ireg r1; DFreg r2]
| Pftosizs(r1, r2) -> instruction pp "Pftosizs" [Ireg r1; SFreg r2]
| Pftouizd(r1, r2) -> instruction pp "Pftouizd" [Ireg r1; DFreg r2]
| Pftouizs(r1, r2) -> instruction pp "Pftouizs" [Ireg r1; SFreg r2]
| Pfuitod(r1, r2) -> instruction pp "Pfuitod" [DFreg r1; Ireg r2]
| Pfuitos(r1, r2) -> instruction pp "Pfuitos" [SFreg r1; Ireg r2]
| Pisb -> instruction pp "Pisb" []
| Plabel l -> instruction pp "Plabel" [ALabel l]
| Pldr(r1, r2, so) | Pldr_a(r1, r2, so) -> instruction pp "Pldr" [Ireg r1; Ireg r2; Shift so]
| Pldr_p(r1, r2, so) -> instruction pp "Pldr_p" [Ireg r1; Ireg r2; Shift so]
| Pldrb(r1, r2, so) -> instruction pp "Pldrb" [Ireg r1; Ireg r2; Shift so]
| Pldrb_p(r1, r2, so) -> instruction pp "Pldrb_p" [Ireg r1; Ireg r2; Shift so]
| Pldrh(r1, r2, so) -> instruction pp "Pldrh" [Ireg r1; Ireg r2; Shift so]
| Pldrh_p(r1, r2, so) -> instruction pp "Pldrh_p" [Ireg r1; Ireg r2; Shift so]
| Pldrsb(r1, r2, so) -> instruction pp "Pldrsb" [Ireg r1; Ireg r2; Shift so]
| Pldrsh(r1, r2, so) -> instruction pp "Pldrsh" [Ireg r1; Ireg r2; Shift so]
| Plsl(r1, r2, r3) -> instruction pp "Plsl" [Ireg r1; Ireg r2; Ireg r3]
| Plsr(r1, r2, r3) -> instruction pp "Plsr" [Ireg r1; Ireg r2; Ireg r3]
| Pmla(r1, r2, r3, r4) -> instruction pp "Pmla" [Ireg r1; Ireg r2; Ireg r3; Ireg r4]
| Pmov(r1, so) -> instruction pp "Pmov" [Ireg r1; Shift so]
| Pmovite(cond, r1, so1, so2) -> instruction pp "Pmovite" [Ireg r1; Condition (TargetPrinter.condition_name cond); Shift so1; Condition (TargetPrinter.neg_condition_name cond); Shift so2]
| Pfmovite(cond, r1, r2, r3) -> instruction pp "Pfmovite" [DFreg r1; Condition (TargetPrinter.condition_name cond); DFreg r2; Condition (TargetPrinter.neg_condition_name cond); DFreg r3]
| Pmovt(r1, n) -> instruction pp "Pmovt" [Ireg r1; Long n]
| Pmovw(r1, n) -> instruction pp "Pmovw" [Ireg r1; Long n]
| Pmul(r1, r2, r3) -> instruction pp "Pmul" [Ireg r1; Ireg r2; Ireg r3]
| Pmvn(r1, so) -> instruction pp "Pmvn" [Ireg r1; Shift so]
| Pnop -> instruction pp "Pnop" []
| Porr(r1, r2, so) -> instruction pp "Porr" [Ireg r1; Ireg r2; Shift so]
| Ppush(rl) -> instruction pp "Ppush" (List.map (fun r -> Ireg r) rl)
| Prev(r1, r2) -> instruction pp "Prev" [Ireg r1; Ireg r2]
| Prev16(r1, r2) -> instruction pp "Prev16" [Ireg r1; Ireg r2]
| Prsb(r1, r2, so) -> instruction pp "Prsb" [Ireg r1; Ireg r2; Shift so]
| Prsbs(r1, r2, so) -> instruction pp "Prsbs" [Ireg r1; Ireg r2; Shift so]
| Prsc(r1, r2, so) -> instruction pp "Prsc" [Ireg r1; Ireg r2; Shift so]
| Psbc(r1, r2, so) -> instruction pp "Psbc" [Ireg r1; Ireg r2; Shift so]
| Psbfx(r1, r2, lsb, sz) -> instruction pp "Psbfx" [Ireg r1; Ireg r2; Long lsb; Long sz]
| Psdiv -> instruction pp "Psdiv" [Ireg IR0; Ireg IR0; Ireg IR1]
| Psmull(r1, r2, r3, r4) -> instruction pp "Psmull" [Ireg r1; Ireg r2; Ireg r3; Ireg r4]
| Pstr(r1, r2, so) | Pstr_a(r1, r2, so) -> instruction pp "Pstr" [Ireg r1; Ireg r2; Shift so]
| Pstr_p(r1, r2, so) -> instruction pp "Pstr_p" [Ireg r1; Ireg r2; Shift so]
| Pstrb(r1, r2, so) -> instruction pp "Pstrb" [Ireg r1; Ireg r2; Shift so]
| Pstrb_p(r1, r2, so) -> instruction pp "Pstrb_p" [Ireg r1; Ireg r2; Shift so]
| Pstrh(r1, r2, so) -> instruction pp "Pstrh" [Ireg r1; Ireg r2; Shift so]
| Pstrh_p(r1, r2, so) -> instruction pp "Pstrh_p" [Ireg r1; Ireg r2; Shift so]
| Psub(r1, r2, so) -> instruction pp "Psub" [Ireg r1; Ireg r2; Shift so]
| Psubs(r1, r2, so) -> instruction pp "Psubs" [Ireg r1; Ireg r2; Shift so]
| Pudiv -> instruction pp "Pudiv" [Ireg IR0; Ireg IR0; Ireg IR1]
| Pumull(r1, r2, r3, r4) -> instruction pp "Pumull" [Ireg r1; Ireg r2; Ireg r3; Ireg r4]
(* Fixup instructions for calling conventions *)
| Pfcpy_fs(r1, r2) -> instruction pp "Pfcpy_fs" [SFreg r1; SPreg r2]
| Pfcpy_sf(r1, r2) -> instruction pp "Pfcpy_sf" [SPreg r1; SFreg r2]
| Pfcpy_fii(r1, r2, r3) -> instruction pp "Pfcpy_fii" [DFreg r1; Ireg r2; Ireg r3]
| Pfcpy_fi(r1, r2) -> instruction pp "Pfcpy_fi" [SFreg r1; Ireg r2]
| Pfcpy_iif(r1, r2, r3) -> instruction pp "Pfcpy_iif" [Ireg r1; Ireg r2; DFreg r3]
| Pfcpy_if (r1,r2) -> instruction pp "Pfcpy_if" [Ireg r1; SFreg r2]
(* Pseudo instructions from constant expansion step *)
| Pconstants consts -> instruction pp "Pconstants" (List.map makedata consts)
| Ploadsymbol_imm (r1,id,ofs) -> instruction pp "Ploadsymbol_imm" [Ireg r1; Symbol (id,ofs)]
| Pflid_lbl (r1,lbl,f) -> instruction pp "Pflid_lbl" [DFreg r1; ALabel lbl; Float64 f]
| Pflis_lbl (r1,lbl,f) -> instruction pp "Pflis_lbl" [SFreg r1; ALabel lbl; Float32 f]
| Pflid_imm (r1,f) -> instruction pp "Pflid_imm" [DFreg r1; Float64 f]
| Pflis_imm (r1,f) -> instruction pp "Pflis_imm" [SFreg r1; Float32 f]
| Ploadsymbol_lbl (r1,lbl,id,ofs) -> instruction pp "Ploadsymbol_lbl" [Ireg r1; ALabel lbl; Symbol (id,ofs)]
in
pp_jarray instruction pp ic
let destination : string option ref = ref None
let sdump_folder : string ref = ref ""
let print_if prog sourcename =
match !destination with
| None -> ()
| Some f ->
let f = Filename.concat !sdump_folder f in
let oc = open_out_bin f in
JsonAST.pp_ast oc pp_instructions prog sourcename;
close_out oc
let pp_mnemonics pp =
JsonAST.pp_mnemonics pp (StringSet.elements mnemonic_names)
|
