356 lines
13 KiB
OCaml
356 lines
13 KiB
OCaml
(**************************************************************************)
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(* *)
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(* OCaml *)
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(* *)
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(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
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(* *)
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(* Copyright 1996 Institut National de Recherche en Informatique et *)
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(* en Automatique. *)
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(* *)
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(* All rights reserved. This file is distributed under the terms of *)
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(* the GNU Lesser General Public License version 2.1, with the *)
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(* special exception on linking described in the file LICENSE. *)
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(* *)
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(**************************************************************************)
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open Config
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open Clflags
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open Compenv
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module Backend = struct
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(* See backend_intf.mli. *)
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let symbol_for_global' = Compilenv.symbol_for_global'
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let closure_symbol = Compilenv.closure_symbol
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let really_import_approx = Import_approx.really_import_approx
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let import_symbol = Import_approx.import_symbol
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let size_int = Arch.size_int
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let big_endian = Arch.big_endian
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let max_sensible_number_of_arguments =
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(* The "-1" is to allow for a potential closure environment parameter. *)
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Proc.max_arguments_for_tailcalls - 1
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end
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let backend = (module Backend : Backend_intf.S)
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let process_interface_file ppf name =
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let opref = output_prefix name in
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Optcompile.interface ppf name opref;
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if !make_package then objfiles := (opref ^ ".cmi") :: !objfiles
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let process_implementation_file ppf name =
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let opref = output_prefix name in
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Optcompile.implementation ppf name opref ~backend;
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objfiles := (opref ^ ".cmx") :: !objfiles
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let cmxa_present = ref false;;
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let process_file ppf name =
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if Filename.check_suffix name ".ml"
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|| Filename.check_suffix name ".mlt" then
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process_implementation_file ppf name
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else if Filename.check_suffix name !Config.interface_suffix then
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process_interface_file ppf name
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else if Filename.check_suffix name ".cmx" then
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objfiles := name :: !objfiles
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else if Filename.check_suffix name ".cmxa" then begin
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cmxa_present := true;
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objfiles := name :: !objfiles
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end else if Filename.check_suffix name ".cmi" && !make_package then
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objfiles := name :: !objfiles
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else if Filename.check_suffix name ext_obj
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|| Filename.check_suffix name ext_lib then
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ccobjs := name :: !ccobjs
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else if Filename.check_suffix name ".c" then begin
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Optcompile.c_file name;
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ccobjs := (Filename.chop_suffix (Filename.basename name) ".c" ^ ext_obj)
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:: !ccobjs
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end
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else
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raise(Arg.Bad("don't know what to do with " ^ name))
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let usage = "Usage: ocamlopt <options> <files>\nOptions are:"
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(* Error messages to standard error formatter *)
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let ppf = Format.err_formatter
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let process_thunks = ref []
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let schedule fn =
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process_thunks := fn :: !process_thunks
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let anonymous filename =
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schedule (fun () ->
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readenv ppf (Before_compile filename);
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process_file ppf filename)
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let impl filename =
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schedule (fun () ->
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readenv ppf (Before_compile filename);
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process_implementation_file ppf filename)
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let intf filename =
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schedule (fun () ->
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readenv ppf (Before_compile filename); process_interface_file ppf filename)
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let show_config () =
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Config.print_config stdout;
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exit 0;
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;;
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module Options = Main_args.Make_optcomp_options (struct
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let set r () = r := true
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let clear r () = r := false
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let _a = set make_archive
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let _absname = set Location.absname
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let _annot = set annotations
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let _binannot = set binary_annotations
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let _c = set compile_only
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let _cc s = c_compiler := Some s
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let _cclib s = ccobjs := Misc.rev_split_words s @ !ccobjs
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let _ccopt s = first_ccopts := s :: !first_ccopts
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let _clambda_checks () = clambda_checks := true
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let _compact = clear optimize_for_speed
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let _config () = show_config ()
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let _for_pack s = for_package := Some s
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let _g = set debug
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let _i () = print_types := true; compile_only := true
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let _I dir = include_dirs := dir :: !include_dirs
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let _impl = impl
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let _inline spec =
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Float_arg_helper.parse spec
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"Syntax: -inline <n> | <round>=<n>[,...]" inline_threshold
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let _inline_toplevel spec =
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Int_arg_helper.parse spec
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"Syntax: -inline-toplevel <n> | <round>=<n>[,...]"
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inline_toplevel_threshold
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let _inlining_report () = inlining_report := true
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let _dump_pass pass = set_dumped_pass pass true
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let _rounds n = simplify_rounds := Some n
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let _inline_max_unroll spec =
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Int_arg_helper.parse spec
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"Syntax: -inline-max-unroll <n> | <round>=<n>[,...]"
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inline_max_unroll
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let _classic_inlining () = classic_inlining := true
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let _inline_call_cost spec =
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Int_arg_helper.parse spec
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"Syntax: -inline-call-cost <n> | <round>=<n>[,...]"
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inline_call_cost
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let _inline_alloc_cost spec =
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Int_arg_helper.parse spec
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"Syntax: -inline-alloc-cost <n> | <round>=<n>[,...]"
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inline_alloc_cost
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let _inline_prim_cost spec =
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Int_arg_helper.parse spec
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"Syntax: -inline-prim-cost <n> | <round>=<n>[,...]"
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inline_prim_cost
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let _inline_branch_cost spec =
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Int_arg_helper.parse spec
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"Syntax: -inline-branch-cost <n> | <round>=<n>[,...]"
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inline_branch_cost
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let _inline_indirect_cost spec =
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Int_arg_helper.parse spec
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"Syntax: -inline-indirect-cost <n> | <round>=<n>[,...]"
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inline_indirect_cost
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let _inline_lifting_benefit spec =
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Int_arg_helper.parse spec
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"Syntax: -inline-lifting-benefit <n> | <round>=<n>[,...]"
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inline_lifting_benefit
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let _inline_branch_factor spec =
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Float_arg_helper.parse spec
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"Syntax: -inline-branch-factor <n> | <round>=<n>[,...]"
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inline_branch_factor
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let _intf = intf
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let _intf_suffix s = Config.interface_suffix := s
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let _keep_docs = set keep_docs
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let _no_keep_docs = clear keep_docs
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let _keep_locs = set keep_locs
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let _no_keep_locs = clear keep_locs
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let _labels = clear classic
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let _linkall = set link_everything
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let _inline_max_depth spec =
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Int_arg_helper.parse spec
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"Syntax: -inline-max-depth <n> | <round>=<n>[,...]"
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inline_max_depth
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let _alias_deps = clear transparent_modules
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let _no_alias_deps = set transparent_modules
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let _app_funct = set applicative_functors
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let _no_app_funct = clear applicative_functors
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let _no_float_const_prop = clear float_const_prop
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let _noassert = set noassert
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let _noautolink = set no_auto_link
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let _nodynlink = clear dlcode
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let _nolabels = set classic
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let _nostdlib = set no_std_include
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let _no_unbox_free_vars_of_closures = clear unbox_free_vars_of_closures
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let _no_unbox_specialised_args = clear unbox_specialised_args
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let _o s = output_name := Some s
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(* CR-someday mshinwell: should stop e.g. -O2 -classic-inlining
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lgesbert: could be done in main() below, like for -pack and -c, but that
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would prevent overriding using OCAMLPARAM.
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mshinwell: We're going to defer this for the moment and add a note in
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the manual that the behaviour is unspecified in cases such as this.
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We should refactor the code so that the user's requirements are
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collected, then checked all at once for illegal combinations, and then
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transformed into the settings of the individual parameters.
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*)
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let _o2 () =
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default_simplify_rounds := 2;
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use_inlining_arguments_set o2_arguments;
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use_inlining_arguments_set ~round:0 o1_arguments
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let _o3 () =
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default_simplify_rounds := 3;
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use_inlining_arguments_set o3_arguments;
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use_inlining_arguments_set ~round:1 o2_arguments;
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use_inlining_arguments_set ~round:0 o1_arguments
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let _open s = open_modules := s :: !open_modules
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let _output_obj = set output_c_object
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let _output_complete_obj () =
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set output_c_object (); set output_complete_object ()
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let _p = set gprofile
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let _pack = set make_package
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let _pp s = preprocessor := Some s
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let _ppx s = first_ppx := s :: !first_ppx
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let _principal = set principal
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let _no_principal = clear principal
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let _rectypes = set recursive_types
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let _no_rectypes = clear recursive_types
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let _remove_unused_arguments = set remove_unused_arguments
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let _runtime_variant s = runtime_variant := s
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let _safe_string = clear unsafe_string
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let _short_paths = clear real_paths
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let _strict_sequence = set strict_sequence
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let _no_strict_sequence = clear strict_sequence
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let _strict_formats = set strict_formats
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let _no_strict_formats = clear strict_formats
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let _shared () = shared := true; dlcode := true
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let _S = set keep_asm_file
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let _thread = set use_threads
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let _unbox_closures = set unbox_closures
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let _unbox_closures_factor f = unbox_closures_factor := f
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let _unsafe = set fast
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let _unsafe_string = set unsafe_string
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let _v () = print_version_and_library "native-code compiler"
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let _version () = print_version_string ()
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let _vnum () = print_version_string ()
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let _verbose = set verbose
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let _w s = Warnings.parse_options false s
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let _warn_error s = Warnings.parse_options true s
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let _warn_help = Warnings.help_warnings
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let _color option =
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begin match Clflags.parse_color_setting option with
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| None -> ()
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| Some setting -> Clflags.color := setting
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end
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let _where () = print_standard_library ()
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let _nopervasives = set nopervasives
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let _dsource = set dump_source
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let _dparsetree = set dump_parsetree
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let _dtypedtree = set dump_typedtree
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let _drawlambda = set dump_rawlambda
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let _dlambda = set dump_lambda
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let _drawclambda = set dump_rawclambda
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let _dclambda = set dump_clambda
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let _drawflambda = set dump_rawflambda
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let _dflambda = set dump_flambda
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let _dflambda_let stamp = dump_flambda_let := Some stamp
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let _dflambda_verbose () =
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set dump_flambda ();
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set dump_flambda_verbose ()
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let _dflambda_no_invariants = clear flambda_invariant_checks
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let _dcmm = set dump_cmm
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let _dsel = set dump_selection
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let _dcombine = set dump_combine
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let _dcse = set dump_cse
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let _dlive () = dump_live := true; Printmach.print_live := true
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let _dspill = set dump_spill
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let _dsplit = set dump_split
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let _dinterf = set dump_interf
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let _dprefer = set dump_prefer
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let _dalloc = set dump_regalloc
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let _dreload = set dump_reload
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let _dscheduling = set dump_scheduling
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let _dlinear = set dump_linear
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let _dstartup = set keep_startup_file
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let _dtimings = set print_timings
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let _opaque = set opaque
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let anonymous = anonymous
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end);;
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let main () =
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native_code := true;
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let ppf = Format.err_formatter in
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try
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readenv ppf Before_args;
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Arg.parse (Arch.command_line_options @ Options.list) anonymous usage;
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if !output_name <> None && !compile_only &&
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List.length !process_thunks > 1 then
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fatal "Options -c -o are incompatible with compiling multiple files";
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let final_output_name = !output_name in
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if !output_name <> None && not !compile_only then
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(* We're invoked like: ocamlopt -o foo bar.c baz.ml.
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Make sure the intermediate products don't clash with the final one. *)
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output_name := None;
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List.iter (fun f -> f ()) (List.rev !process_thunks);
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output_name := final_output_name;
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readenv ppf Before_link;
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if
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List.length (List.filter (fun x -> !x)
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[make_package; make_archive; shared;
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compile_only; output_c_object]) > 1
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then
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fatal "Please specify at most one of -pack, -a, -shared, -c, -output-obj";
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if !make_archive then begin
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if !cmxa_present then
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fatal "Option -a cannot be used with .cmxa input files.";
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Compmisc.init_path true;
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let target = extract_output !output_name in
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Asmlibrarian.create_archive (get_objfiles ~with_ocamlparam:false) target;
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Warnings.check_fatal ();
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end
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else if !make_package then begin
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Compmisc.init_path true;
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let target = extract_output !output_name in
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Asmpackager.package_files ppf (Compmisc.initial_env ())
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(get_objfiles ~with_ocamlparam:false) target ~backend;
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Warnings.check_fatal ();
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end
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else if !shared then begin
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Compmisc.init_path true;
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let target = extract_output !output_name in
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Asmlink.link_shared ppf (get_objfiles ~with_ocamlparam:false) target;
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Warnings.check_fatal ();
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end
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else if not !compile_only && !objfiles <> [] then begin
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let target =
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if !output_c_object then
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let s = extract_output !output_name in
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if (Filename.check_suffix s Config.ext_obj
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|| Filename.check_suffix s Config.ext_dll)
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then s
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else
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fatal
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(Printf.sprintf
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"The extension of the output file must be %s or %s"
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Config.ext_obj Config.ext_dll
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)
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else
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default_output !output_name
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in
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Compmisc.init_path true;
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Asmlink.link ppf (get_objfiles ~with_ocamlparam:true) target;
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Warnings.check_fatal ();
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end;
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with x ->
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Location.report_exception ppf x;
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exit 2
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let _ =
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Timings.(time All) main ();
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if !Clflags.print_timings then Timings.print Format.std_formatter;
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exit 0
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