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-rw-r--r--driver/Driver.ml119
1 files changed, 9 insertions, 110 deletions
diff --git a/driver/Driver.ml b/driver/Driver.ml
index 5a7bd929..3e327437 100644
--- a/driver/Driver.ml
+++ b/driver/Driver.ml
@@ -16,6 +16,8 @@ open Clflags
open Timing
open Driveraux
open Frontend
+open Assembler
+open Linker
let dump_options = ref false
@@ -108,40 +110,6 @@ let compile_cminor_file ifile ofile =
ifile msg;
exit 2
-(* From asm to object file *)
-
-let assemble ifile ofile =
- let cmd = List.concat [
- Configuration.asm;
- ["-o"; ofile];
- List.rev !assembler_options;
- [ifile]
- ] in
- let exc = command cmd in
- if exc <> 0 then begin
- safe_remove ofile;
- command_error "assembler" exc;
- exit 2
- end
-
-(* Linking *)
-
-let linker exe_name files =
- let cmd = List.concat [
- Configuration.linker;
- ["-o"; exe_name];
- files;
- (if Configuration.has_runtime_lib
- then ["-L" ^ !stdlib_path; "-lcompcert"]
- else [])
- ] in
- let exc = command cmd in
- if exc <> 0 then begin
- command_error "linker" exc;
- exit 2
- end
-
-
(* Processing of a .c file *)
let process_c_file sourcename =
@@ -271,22 +239,6 @@ let process_h_file sourcename =
exit 2
end
-(* Record actions to be performed after parsing the command line *)
-
-let actions : ((string -> string) * string) list ref = ref []
-
-let push_action fn arg =
- actions := (fn, arg) :: !actions
-
-let push_linker_arg arg =
- push_action (fun s -> s) arg
-
-let perform_actions () =
- let rec perform = function
- | [] -> []
- | (fn, arg) :: rem -> let res = fn arg in res :: perform rem
- in perform (List.rev !actions)
-
let version_string =
if Version.buildnr <> "" && Version.tag <> "" then
sprintf "The CompCert C verified compiler, %s, Build: %s, Tag: %s\n" Version.version Version.buildnr Version.tag
@@ -314,30 +266,6 @@ let target_help = if Configuration.arch = "arm" then
else
""
-let gnu_linker_help =
-" -nostartfiles Do not use the standard system startup files when\n\
-\ linking\n\
-\ -nodefaultlibs Do not use the standard system libraries when\n\
-\ linking\n\
-\ -nostdlib Do not use the standard system startup files or\n\
-\ libraries when linking\n"
-
-let linker_help =
-"Linking options:\n\
-\ -l<lib> Link library <lib>\n\
-\ -L<dir> Add <dir> to search path for libraries\n" ^
- (if gnu_system then gnu_linker_help else "") ^
-" -s Remove all symbol table and relocation information from the\n\
-\ executable\n\
-\ -static Prevent linking with the shared libraries\n\
-\ -T <file> Use <file> as linker command file\n\
-\ -Wl,<opt> Pass option <opt> to the linker\n\
-\ -WUl,<opt> Pass option <opt> to the gcc or dcc used for linking\n\
-\ -Xlinker <opt> Pass <opt> as an option to the linker\n\
-\ -u <symb> Pretend the symbol <symb> is undefined to force linking of\n\
-\ library modules to define it.\n"
-
-
let usage_string =
version_string ^
"Usage: ccomp [options] <source files>\n\
@@ -387,9 +315,7 @@ Code generation options: (use -fno-<opt> to turn off -f<opt>)\n\
\ -falign-branch-targets <n> Set alignment (in bytes) of branch targets\n\
\ -falign-cond-branches <n> Set alignment (in bytes) of conditional branches\n" ^
target_help ^
-"Assembling options:\n\
-\ -Wa,<opt> Pass option <opt> to the assembler\n\
-\ -Xassembler <opt> Pass <opt> as an option to the assembler\n" ^
+ assembler_help ^
linker_help ^
"Tracing options:\n\
\ -dprepro Save C file after preprocessing in <file>.i\n\
@@ -463,11 +389,11 @@ let cmdline_actions =
(* Debugging options *)
Exact "-g", Self (fun s -> option_g := true;
option_gdwarf := 3);] @
- if gnu_system then
+ (if gnu_system then
[ Exact "-gdwarf-2", Self (fun s -> option_g:=true;
option_gdwarf := 2);
Exact "-gdwarf-3", Self (fun s -> option_g := true;
- option_gdwarf := 3);] else [] @
+ option_gdwarf := 3);] else []) @
[ Exact "-frename-static", Self (fun s -> option_rename_static:= true);
Exact "-gdepth", Integer (fun n -> if n = 0 || n <0 then begin
option_g := false
@@ -494,38 +420,11 @@ let cmdline_actions =
Exact "-marm", Unset option_mthumb; ]
else [] @
(* Assembling options *)
- [ Prefix "-Wa,", Self (fun s -> if gnu_system then
- assembler_options := s :: !assembler_options
- else
- assembler_options := List.rev_append (explode_comma_option s) !assembler_options);
- Exact "-Xassembler", String (fun s -> if gnu_system then
- assembler_options := s::"-Xassembler":: !assembler_options
- else
- assembler_options := s::!assembler_options );
+ assembler_actions @
(* Linking options *)
- Prefix "-l", Self push_linker_arg;
- Prefix "-L", Self push_linker_arg; ] @
- if gnu_system then
- [ Exact "-nostartfiles", Self push_linker_arg;
- Exact "-nodefaultlibs", Self push_linker_arg;
- Exact "-nostdlib", Self push_linker_arg;]
- else [] @
- [ Exact "-s", Self push_linker_arg;
- Exact "-static", Self push_linker_arg;
- Exact "-T", String (fun s -> if gnu_system then begin
- push_linker_arg ("-T");
- push_linker_arg(s)
- end else
- push_linker_arg ("-Wm"^s));
- Exact "-Xlinker", String (fun s -> if Configuration.system = "diab" then
- push_linker_arg ("-Wl,"^s)
- else
- push_linker_arg s);
- Prefix "-Wl,", Self push_linker_arg;
- Prefix "-WUl,", Self (fun s -> List.iter push_linker_arg (explode_comma_option s));
- Exact "-u", Self push_linker_arg;
+ linker_actions @
(* Tracing options *)
- Exact "-dprepro", Set option_dprepro;
+ [ Exact "-dprepro", Set option_dprepro;
Exact "-dparse", Set option_dparse;
Exact "-dc", Set option_dcmedium;
Exact "-dclight", Set option_dclight;
@@ -549,7 +448,7 @@ let cmdline_actions =
Exact "-trace", Self (fun _ -> Interp.trace := 2);
Exact "-random", Self (fun _ -> Interp.mode := Interp.Random);
Exact "-all", Self (fun _ -> Interp.mode := Interp.All)
- ]
+ ]
(* -f options: come in -f and -fno- variants *)
(* Language support options *)
@ f_opt "longdouble" option_flongdouble