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(* *********************************************************************)
(* *)
(* The Compcert verified compiler *)
(* *)
(* Bernhard Schommer, 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. *)
(* *)
(* *********************************************************************)
open C
open Camlcoq
open Dwarfgen
open DwarfTypes
(* Interface for generating and printing debug information *)
(* Record used for stroring references to the actual implementation functions *)
type implem =
{
mutable init: string -> unit;
mutable atom_function: ident -> atom -> unit;
mutable atom_global_variable: ident -> atom -> unit;
mutable set_composite_size: ident -> struct_or_union -> int option -> unit;
mutable set_member_offset: ident -> string -> int -> unit;
mutable set_bitfield_offset: ident -> string -> int -> string -> int -> unit;
mutable insert_global_declaration: Env.t -> globdecl -> unit;
mutable add_fun_addr: atom -> (int * int) -> unit;
mutable generate_debug_info: unit -> dw_entry option;
mutable all_files_iter: (string -> unit) -> unit;
mutable insert_local_declaration: storage -> ident -> typ -> location -> unit;
mutable atom_local_variable: ident -> atom -> unit;
mutable enter_scope: int -> int -> int -> unit;
mutable enter_function_scope: ident -> int -> unit;
mutable add_lvar_scope: int -> ident -> int -> unit;
}
let implem =
{
init = (fun _ -> ());
atom_function = (fun _ _ -> ());
atom_global_variable = (fun _ _ -> ());
set_composite_size = (fun _ _ _ -> ());
set_member_offset = (fun _ _ _ -> ());
set_bitfield_offset = (fun _ _ _ _ _ -> ());
insert_global_declaration = (fun _ _ -> ());
add_fun_addr = (fun _ _ -> ());
generate_debug_info = (fun _ -> None);
all_files_iter = (fun _ -> ());
insert_local_declaration = (fun _ _ _ _ -> ());
atom_local_variable = (fun _ _ -> ());
enter_scope = (fun _ _ _ -> ());
enter_function_scope = (fun _ _ -> ());
add_lvar_scope = (fun _ _ _ -> ());
}
let init () =
if !Clflags.option_g then begin
implem.init <- DebugInformation.init;
implem.atom_function <- DebugInformation.atom_function;
implem.atom_global_variable <- DebugInformation.atom_global_variable;
implem.set_composite_size <- DebugInformation.set_composite_size;
implem.set_member_offset <- DebugInformation.set_member_offset;
implem.set_bitfield_offset <- DebugInformation.set_bitfield_offset;
implem.insert_global_declaration <- DebugInformation.insert_global_declaration;
implem.add_fun_addr <- DebugInformation.add_fun_addr;
implem.generate_debug_info <- (fun () -> Some (Dwarfgen.gen_debug_info ()));
implem.all_files_iter <- (fun f -> DebugInformation.StringSet.iter f !DebugInformation.all_files);
implem.insert_local_declaration <- DebugInformation.insert_local_declaration;
implem.atom_local_variable <- DebugInformation.atom_local_variable;
implem.enter_scope <- DebugInformation.enter_scope;
implem.enter_function_scope <- DebugInformation.enter_function_scope;
implem.add_lvar_scope <- DebugInformation.add_lvar_scope;
end else begin
implem.init <- (fun _ -> ());
implem.atom_function <- (fun _ _ -> ());
implem.atom_global_variable <- (fun _ _ -> ());
implem.set_composite_size <- (fun _ _ _ -> ());
implem.set_member_offset <- (fun _ _ _ -> ());
implem.set_bitfield_offset <- (fun _ _ _ _ _ -> ());
implem.insert_global_declaration <- (fun _ _ -> ());
implem.add_fun_addr <- (fun _ _ -> ());
implem.generate_debug_info <- (fun _ -> None);
implem.all_files_iter <- (fun _ -> ());
implem.insert_local_declaration <- (fun _ _ _ _ -> ());
implem.atom_local_variable <- (fun _ _ -> ());
implem.enter_scope <- (fun _ _ _ -> ());
implem.enter_function_scope <- (fun _ _ -> ());
implem.add_lvar_scope <- (fun _ _ _ -> ());
end
let init_compile_unit name = implem.init name
let atom_function id atom = implem.atom_function id atom
let atom_global_variable id atom = implem.atom_global_variable id atom
let set_composite_size id sou size = implem.set_composite_size id sou size
let set_member_offset id field off = implem.set_member_offset id field off
let set_bitfield_offset id field off underlying size = implem.set_bitfield_offset id field off underlying size
let insert_global_declaration env dec = implem.insert_global_declaration env dec
let add_fun_addr atom addr = implem.add_fun_addr atom addr
let generate_debug_info () = implem.generate_debug_info ()
let all_files_iter f = implem.all_files_iter f
let insert_local_declaration sto id ty loc = implem.insert_local_declaration sto id ty loc
let atom_local_variable id atom = implem.atom_local_variable id atom
let enter_scope p_id id = implem.enter_scope p_id id
let enter_function_scope fun_id sc_id = implem.enter_function_scope fun_id sc_id
let add_lvar_scope fun_id var_id s_id = implem.add_lvar_scope fun_id var_id s_id
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