diff options
Diffstat (limited to 'driver/Frontend.ml')
| -rw-r--r-- | driver/Frontend.ml | 33 |
1 files changed, 28 insertions, 5 deletions
diff --git a/driver/Frontend.ml b/driver/Frontend.ml index b29bb7f3..b9db0d23 100644 --- a/driver/Frontend.ml +++ b/driver/Frontend.ml @@ -11,21 +11,43 @@ (* *) (* *********************************************************************) +open Printf open Clflags open Commandline open Driveraux (* Common frontend functions between clightgen and ccomp *) +(* Split the version number into major.minor *) + +let re_version = Str.regexp {|\([0-9]+\)\.\([0-9]+\)|} + +let (v_major, v_minor) = + let get n = int_of_string (Str.matched_group n Version.version) in + assert (Str.string_match re_version Version.version 0); + (get 1, get 2) + +let v_number = + assert (v_minor < 100); + 100 * v_major + v_minor + +(* Predefined macros: version numbers, C11 features *) + let predefined_macros = - [ + let macros = [ "-D__COMPCERT__"; + sprintf "-D__COMPCERT_MAJOR__=%d" v_major; + sprintf "-D__COMPCERT_MINOR__=%d" v_minor; + sprintf "-D__COMPCERT_VERSION__=%d" v_number; "-U__STDC_IEC_559_COMPLEX__"; "-D__STDC_NO_ATOMICS__"; "-D__STDC_NO_COMPLEX__"; "-D__STDC_NO_THREADS__"; "-D__STDC_NO_VLA__" - ] + ] in + if Version.buildnr = "" + then macros + else sprintf "-D__COMPCERT_BUILDNR__=%s" Version.buildnr :: macros (* From C to preprocessed C *) @@ -95,9 +117,10 @@ let init () = then Machine.rv64 else Machine.rv32 | "mppa_k1c" -> Machine.mppa_k1c + | "aarch64" -> Machine.aarch64 | _ -> assert false end; - Builtins.set C2C.builtins; + Env.set_builtins C2C.builtins; Cutil.declare_attributes C2C.attributes; CPragmas.initialize() @@ -110,7 +133,7 @@ let gnu_prepro_opt_key key s = let gnu_prepro_opt s = prepro_options := s::!prepro_options -(* Add gnu preprocessor option s and the implict -E *) +(* Add gnu preprocessor option s and the implicit -E *) let gnu_prepro_opt_e s = prepro_options := s :: !prepro_options; option_E := true @@ -150,7 +173,7 @@ let prepro_actions = [ @ (if Configuration.gnu_toolchain then gnu_prepro_actions else []) let gnu_prepro_help = -{| -M Ouput a rule suitable for make describing the +{| -M Output a rule suitable for make describing the dependencies of the main source file -MM Like -M but do not mention system header files -MF <file> Specifies file <file> as output file for -M or -MM |