gcc/ada/bindusg.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT COMPILER COMPONENTS                         --
   4 --                                                                          --
   5 --                             B I N D U S G                                --
   6 --                                                                          --
   7 --                                 B o d y                                  --
   8 --                                                                          --
   9 --          Copyright (C) 1992-2017, Free Software Foundation, Inc.         --
  10 --                                                                          --
  11 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  12 -- terms of the  GNU General Public License as published  by the Free Soft- --
  13 -- ware  Foundation;  either version 3,  or (at your option) any later ver- --
  14 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  15 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  16 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  17 -- for  more details.  You should have  received  a copy of the GNU General --
  18 -- Public License  distributed with GNAT; see file COPYING3.  If not, go to --
  19 -- http://www.gnu.org/licenses for a complete copy of the license.          --
  20 --                                                                          --
  21 -- GNAT was originally developed  by the GNAT team at  New York University. --
  22 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  23 --                                                                          --
  24 ------------------------------------------------------------------------------
  25
  26 with Osint;  use Osint;
  27 with Output; use Output;
  28 with Switch; use Switch;
  29
  30 with System.WCh_Con; use System.WCh_Con;
  31
  32 package body Bindusg is
  33
  34    Already_Displayed : Boolean := False;
  35    --  Set True if Display called, used to avoid showing usage information
  36    --  more than once.
  37
  38    -------------
  39    -- Display --
  40    -------------
  41
  42    procedure Display is
  43    begin
  44       if Already_Displayed then
  45          return;
  46       else
  47          Already_Displayed := True;
  48       end if;
  49
  50       --  Usage line
  51
  52       Write_Str ("Usage: ");
  53       Write_Program_Name;
  54       Write_Char (' ');
  55       Write_Str ("switches lfile");
  56       Write_Eol;
  57       Write_Eol;
  58
  59       Display_Usage_Version_And_Help;
  60
  61       --  Line for @response_file
  62
  63       Write_Line
  64         ("  @<resp_file> Get arguments from response file");
  65       Write_Eol;
  66
  67       --  Line for -aO switch
  68
  69       Write_Line
  70         ("  -aOdir    Specify library files search path");
  71
  72       --  Line for -aI switch
  73
  74       Write_Line
  75         ("  -aIdir    Specify source files search path");
  76
  77       --  Line for a switch
  78
  79       Write_Line
  80         ("  -a        Automatically initialize elaboration procedure");
  81
  82       --  Lines for -A switch
  83
  84       Write_Line
  85         ("  -A        Give list of ALI files in partition");
  86       Write_Line
  87         ("  -A=file   Write ALI file list to named file");
  88
  89       --  Line for -b switch
  90
  91       Write_Line
  92         ("  -b        Generate brief messages to stderr even if verbose mode "
  93          & "set");
  94
  95       --  Line for -c switch
  96
  97       Write_Line
  98         ("  -c        Check only, no generation of binder output file");
  99
 100       --  Line for -d switch
 101
 102       Write_Line
 103         ("  -dnn[k|m] Default primary stack size = nn [kilo|mega] bytes");
 104
 105       --  Line for D switch
 106
 107       Write_Line
 108         ("  -Dnn[k|m] Default secondary stack size = nn [kilo|mega] bytes");
 109
 110       --  Line for -e switch
 111
 112       Write_Line
 113         ("  -e        Output complete list of elaboration order dependencies");
 114
 115       --  Line for -E switch
 116
 117       Write_Line
 118         ("  -Ea       Store tracebacks in exception occurrences");
 119       Write_Line
 120         ("  -Es       Store tracebacks in exception occurrences,");
 121       Write_Line
 122         ("            and enable symbolic tracebacks");
 123       Write_Line
 124         ("  -E        Same as -Ea");
 125
 126       --  Line for -f switch
 127
 128       Write_Line
 129         ("  -ffile    Force elaboration order from given file");
 130
 131       --  Line for -F switch
 132
 133       Write_Line
 134         ("  -F        Force checking of elaboration Flags");
 135
 136       --  Line for -h switch
 137
 138       Write_Line
 139         ("  -h        Output this usage (help) information");
 140
 141       --  Lines for -I switch
 142
 143       Write_Line
 144         ("  -Idir     Specify library and source files search path");
 145       Write_Line
 146         ("  -I-       Don't look for sources & library files in default "
 147          & "directory");
 148
 149       --  Line for -K switch
 150
 151       Write_Line
 152         ("  -K        Give list of linker options specified for link");
 153
 154       --  Line for -l switch
 155
 156       Write_Line
 157         ("  -l        Output chosen elaboration order");
 158
 159       --  Line of -L switch
 160
 161       Write_Line
 162         ("  -Lxyz     Library build: adainit/final renamed to xyzinit/final, "
 163          & "implies -n");
 164
 165       --  Line for -m switch
 166
 167       Write_Line
 168         ("  -mnnn     Limit number of detected errors/warnings to nnn "
 169          & "(1-999999)");
 170
 171       --  Line for -M switch
 172
 173       Write_Line
 174         ("  -Mxyz     Rename generated main program from main to xyz");
 175
 176       --  Line for -n switch
 177
 178       Write_Line
 179         ("  -n        No Ada main program (foreign main routine)");
 180
 181       --  Line for -nostdinc
 182
 183       Write_Line
 184         ("  -nostdinc Don't look for source files in the system default "
 185          & "directory");
 186
 187       --  Line for -nostdlib
 188
 189       Write_Line
 190         ("  -nostdlib Don't look for library files in the system default "
 191          & "directory");
 192
 193       --  Line for -o switch
 194
 195       Write_Line
 196         ("  -o file   Give the output file name (default is b~xxx.adb)");
 197
 198       --  Line for -O switch
 199
 200       Write_Line
 201         ("  -O        Give list of objects required for link");
 202
 203       --  Line for -p switch
 204
 205       Write_Line
 206         ("  -p        Pessimistic (worst-case) elaboration order");
 207
 208       --  Line for -P switch
 209
 210       Write_Line
 211         ("  -P        Generate binder file suitable for CodePeer");
 212
 213       --  Line for Q switch
 214
 215       Write_Line
 216         ("  -Qnnn     Generate nnn default-sized secondary stacks");
 217
 218       --  Line for -r switch
 219
 220       Write_Line
 221         ("  -r        List restrictions that could be applied to this "
 222          & "partition");
 223
 224       --  Line for -R switch
 225
 226       Write_Line
 227         ("  -R        List sources referenced in closure");
 228
 229       --  Line for -s switch
 230
 231       Write_Line
 232         ("  -s        Require all source files to be present");
 233
 234       --  Line for -S?? switch
 235
 236       Write_Line
 237         ("  -S??      Sin/lo/hi/xx/ev Initialize_Scalars "
 238          & "invalid/low/high/hex/env var");
 239
 240       --  Line for -static
 241
 242       Write_Line
 243         ("  -static   Link against a static GNAT run time");
 244
 245       --  Line for -shared
 246
 247       Write_Line
 248         ("  -shared   Link against a shared GNAT run time");
 249
 250       --  Line for -t switch
 251
 252       Write_Line
 253         ("  -t        Tolerate time stamp and other consistency errors");
 254
 255       --  Line for -T switch
 256
 257       Write_Line
 258         ("  -Tn       Set time slice value to n milliseconds (n >= 0)");
 259
 260       --  Line for -u switch
 261
 262       Write_Line
 263         ("  -un       Enable dynamic stack analysis, with n results stored");
 264
 265       --  Line for -v switch
 266
 267       Write_Line
 268         ("  -v        Verbose mode. Error messages, header, summary output to "
 269          & "stdout");
 270
 271       --  Line for -V switch
 272
 273       Write_Line
 274         ("  -Vkey=val Record bind-time variable key with value val");
 275       --  Line for -w switch
 276
 277       Write_Line
 278         ("  -wx       Warning mode. (x=s/e for suppress/treat as error)");
 279
 280       --  Line for -W switch
 281
 282       Write_Str
 283         ("  -W?       Wide character encoding method (");
 284
 285       for J in WC_Encoding_Method loop
 286          Write_Char (WC_Encoding_Letters (J));
 287
 288          if J = WC_Encoding_Method'Last then
 289             Write_Char (')');
 290          else
 291             Write_Char ('/');
 292          end if;
 293       end loop;
 294
 295       Write_Eol;
 296
 297       --  Line for -x switch
 298
 299       Write_Line
 300         ("  -x        Exclude source files (check object consistency only)");
 301
 302       --  Line for -X switch
 303
 304       Write_Line
 305         ("  -Xnnn     Default exit status value = nnn");
 306
 307       --  Line for -y switch
 308
 309       Write_Line
 310         ("  -y        Enable leap seconds");
 311
 312       --  Line for -z switch
 313
 314       Write_Line
 315         ("  -z        No main subprogram (zero main)");
 316
 317       --  Line for -Z switch
 318
 319       Write_Line
 320         ("  -Z        Zero formatting in auxiliary outputs (-e, -K, -l, -R)");
 321
 322       --  Line for --RTS
 323
 324       Write_Line
 325         ("  --RTS=dir Specify the default source and object search path");
 326
 327       --  Line for sfile
 328
 329       Write_Line
 330         ("  lfile     Library file names");
 331    end Display;
 332
 333 end Bindusg;