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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 Clflags
open Commandline
open Debug
open Driveraux
let default_debug =
{
init = DebugInformation.init;
atom_global = DebugInformation.atom_global;
set_composite_size = DebugInformation.set_composite_size;
set_member_offset = DebugInformation.set_member_offset;
set_bitfield_offset = DebugInformation.set_bitfield_offset;
insert_global_declaration = DebugInformation.insert_global_declaration;
add_fun_addr = (fun _ _ _ -> ());
generate_debug_info = (fun _ _ -> None);
all_files_iter = DebugInformation.all_files_iter;
insert_local_declaration = DebugInformation.insert_local_declaration;
atom_local_variable = DebugInformation.atom_local_variable;
enter_scope = DebugInformation.enter_scope;
enter_function_scope = DebugInformation.enter_function_scope;
add_lvar_scope = DebugInformation.add_lvar_scope;
open_scope = DebugInformation.open_scope;
close_scope = DebugInformation.close_scope;
start_live_range = DebugInformation.start_live_range;
end_live_range = DebugInformation.end_live_range;
stack_variable = DebugInformation.stack_variable;
add_label = DebugInformation.add_label;
atom_parameter = DebugInformation.atom_parameter;
compute_diab_file_enum = DebugInformation.compute_diab_file_enum;
compute_gnu_file_enum = DebugInformation.compute_gnu_file_enum;
exists_section = DebugInformation.exists_section;
remove_unused = DebugInformation.remove_unused;
remove_unused_function = DebugInformation.remove_unused_function;
variable_printed = DebugInformation.variable_printed;
add_diab_info = (fun _ _ _ _ -> ());
}
let init_debug () =
implem :=
if Configuration.system = "diab" then
let gen = (fun a b -> Some (Dwarfgen.gen_diab_debug_info a b)) in
{default_debug with generate_debug_info = gen;
add_diab_info = DebugInformation.add_diab_info;
add_fun_addr = DebugInformation.diab_add_fun_addr;}
else
{default_debug with generate_debug_info = (fun a b -> Some (Dwarfgen.gen_gnu_debug_info a b));
add_fun_addr = DebugInformation.gnu_add_fun_addr}
let init_none () =
implem := default_implem
let init () =
if !option_g then
init_debug ()
else
init_none ()
let gnu_debugging_help =
" -gdwarf- Generate debug information in DWARF v2 or DWARF v3\n"
let debugging_help =
"Debugging options:\n\
\ -g Generate debugging information\n\
\ -g<n> Control generation of debugging information\n\
\ (<n>=0: none, <n>=1: only-globals, <n>=2: globals + locals \n\
\ without locations, <n>=3: full;)\n"
^ (if gnu_system then gnu_debugging_help else "")
let gnu_debugging_actions =
let version version () =
option_g:=true;
option_gdwarf:=version
in
[Exact "-gdwarf-2", Unit (version 2);
Exact "-gdwarf-3", Unit (version 3);]
let debugging_actions =
let depth depth () =
option_g:=true;
option_gdepth := depth
in
[Exact "-g", Unit (depth 3);
Exact "-g0", Unset option_g;
Exact "-g1", Unit (depth 1);
Exact "-g2", Unit (depth 2);
Exact "-g3", Unit (depth 3);]
@
(if gnu_system then gnu_debugging_actions else [])
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