dwarf-synthesis/DwarfSynth/c_bindings/ml_dwarf_write.ml

47 lines
1.2 KiB
OCaml

(* copy here as quick hack / restructure the file directory *)
type pre_c_pre_dwarf_entry = {
location: int64;
cfa_offset: int64;
cfa_offset_reg: int
}
type pre_c_pre_dwarf_fde = {
num: int;
initial_location: int64;
end_location: int64;
name: string;
entries: pre_c_pre_dwarf_entry array
}
type pre_c_pre_dwarf = {
num_fde: int;
fdes: pre_c_pre_dwarf_fde array
}
let dump_pre_c_pre_dwarf_entry e =
Printf.printf " %8Lx %d+%Ld \n" e.location e.cfa_offset_reg e.cfa_offset
let dump_pre_c_pre_dwarf_fde f =
Printf.printf "%s %Lx %Lx\n" f.name f.initial_location f.end_location;
for i = 0 to Array.length f.entries - 1 do
dump_pre_c_pre_dwarf_entry f.entries.(i)
done
let dump_pre_c_pre_dwarf p =
for i = 0 to Array.length p.fdes - 1 do
dump_pre_c_pre_dwarf_fde p.fdes.(i)
done
external write_dwarf : string -> pre_c_pre_dwarf -> int = "caml_write_dwarf"
(* use: ml_dwarf_write <marshalled_data> <executable> *)
let _ =
let fd = open_in_bin Sys.argv.(1) in
let pre_c_dwarf = ((Marshal.from_channel fd): pre_c_pre_dwarf) in
dump_pre_c_pre_dwarf pre_c_dwarf;
write_dwarf Sys.argv.(2) pre_c_dwarf