gcc/ada/mlib-tgt-solaris.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT COMPILER COMPONENTS                         --
   4 --                                                                          --
   5 --                             M L I B . T G T                              --
   6 --                            (Solaris Version)                             --
   7 --                                                                          --
   8 --                                 B o d y                                  --
   9 --                                                                          --
  10 --              Copyright (C) 2002-2005 Free Software Foundation, Inc.      --
  11 --                                                                          --
  12 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  13 -- terms of the  GNU General Public License as published  by the Free Soft- --
  14 -- ware  Foundation;  either version 2,  or (at your option) any later ver- --
  15 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  16 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  17 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  18 -- for  more details.  You should have  received  a copy of the GNU General --
  19 -- Public License  distributed with GNAT;  see file COPYING.  If not, write --
  20 -- to  the  Free Software Foundation,  51  Franklin  Street,  Fifth  Floor, --
  21 -- Boston, MA 02110-1301, USA.                                              --
  22 --                                                                          --
  23 -- GNAT was originally developed  by the GNAT team at  New York University. --
  24 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  25 --                                                                          --
  26 ------------------------------------------------------------------------------
  27
  28 --  This package provides a set of target dependent routines to build
  29 --  static, dynamic and shared libraries.
  30
  31 --  This is the Solaris version of the body
  32
  33 with MLib.Fil;
  34 with MLib.Utl;
  35 with Namet;  use Namet;
  36 with Opt;
  37 with Output; use Output;
  38 with Prj.Com;
  39 with System;
  40
  41 package body MLib.Tgt is
  42
  43    ---------------------
  44    -- Archive_Builder --
  45    ---------------------
  46
  47    function Archive_Builder return String is
  48    begin
  49       return "ar";
  50    end Archive_Builder;
  51
  52    -----------------------------
  53    -- Archive_Builder_Options --
  54    -----------------------------
  55
  56    function Archive_Builder_Options return String_List_Access is
  57    begin
  58       return new String_List'(1 => new String'("cr"));
  59    end Archive_Builder_Options;
  60
  61    -----------------
  62    -- Archive_Ext --
  63    -----------------
  64
  65    function Archive_Ext return  String is
  66    begin
  67       return "a";
  68    end Archive_Ext;
  69
  70    ---------------------
  71    -- Archive_Indexer --
  72    ---------------------
  73
  74    function Archive_Indexer return String is
  75    begin
  76       return "ranlib";
  77    end Archive_Indexer;
  78
  79    -----------------------------
  80    -- Archive_Indexer_Options --
  81    -----------------------------
  82
  83    function Archive_Indexer_Options return String_List_Access is
  84    begin
  85       return new String_List (1 .. 0);
  86    end Archive_Indexer_Options;
  87
  88    ---------------------------
  89    -- Build_Dynamic_Library --
  90    ---------------------------
  91
  92    procedure Build_Dynamic_Library
  93      (Ofiles       : Argument_List;
  94       Foreign      : Argument_List;
  95       Afiles       : Argument_List;
  96       Options      : Argument_List;
  97       Options_2    : Argument_List;
  98       Interfaces   : Argument_List;
  99       Lib_Filename : String;
 100       Lib_Dir      : String;
 101       Symbol_Data  : Symbol_Record;
 102       Driver_Name  : Name_Id := No_Name;
 103       Lib_Version  : String  := "";
 104       Auto_Init    : Boolean := False)
 105    is
 106       pragma Unreferenced (Foreign);
 107       pragma Unreferenced (Afiles);
 108       pragma Unreferenced (Interfaces);
 109       pragma Unreferenced (Symbol_Data);
 110       pragma Unreferenced (Auto_Init);
 111
 112       Lib_File : constant String :=
 113                    Lib_Dir & Directory_Separator & "lib" &
 114                    Fil.Ext_To (Lib_Filename, DLL_Ext);
 115
 116       Version_Arg          : String_Access;
 117       Symbolic_Link_Needed : Boolean := False;
 118
 119    begin
 120       if Opt.Verbose_Mode then
 121          Write_Str ("building relocatable shared library ");
 122          Write_Line (Lib_File);
 123       end if;
 124
 125       if Lib_Version = "" then
 126          Utl.Gcc
 127            (Output_File => Lib_File,
 128             Objects     => Ofiles,
 129             Options     => Options,
 130             Options_2   => Options_2,
 131             Driver_Name => Driver_Name);
 132
 133       else
 134          Version_Arg := new String'("-Wl,-h," & Lib_Version);
 135
 136          if Is_Absolute_Path (Lib_Version) then
 137             Utl.Gcc
 138               (Output_File => Lib_Version,
 139                Objects     => Ofiles,
 140                Options     => Options & Version_Arg,
 141                Options_2   => Options_2,
 142                Driver_Name => Driver_Name);
 143             Symbolic_Link_Needed := Lib_Version /= Lib_File;
 144
 145          else
 146             Utl.Gcc
 147               (Output_File => Lib_Dir & Directory_Separator & Lib_Version,
 148                Objects     => Ofiles,
 149                Options     => Options & Version_Arg,
 150                Options_2   => Options_2,
 151                Driver_Name => Driver_Name);
 152             Symbolic_Link_Needed :=
 153               Lib_Dir & Directory_Separator & Lib_Version /= Lib_File;
 154          end if;
 155
 156          if Symbolic_Link_Needed then
 157             declare
 158                Success : Boolean;
 159                Oldpath : String (1 .. Lib_Version'Length + 1);
 160                Newpath : String (1 .. Lib_File'Length + 1);
 161
 162                Result : Integer;
 163                pragma Unreferenced (Result);
 164
 165                function Symlink
 166                  (Oldpath : System.Address;
 167                   Newpath : System.Address)
 168                   return    Integer;
 169                pragma Import (C, Symlink, "__gnat_symlink");
 170
 171             begin
 172                Oldpath (1 .. Lib_Version'Length) := Lib_Version;
 173                Oldpath (Oldpath'Last)            := ASCII.NUL;
 174                Newpath (1 .. Lib_File'Length)    := Lib_File;
 175                Newpath (Newpath'Last)            := ASCII.NUL;
 176
 177                Delete_File (Lib_File, Success);
 178
 179                Result := Symlink (Oldpath'Address, Newpath'Address);
 180             end;
 181          end if;
 182       end if;
 183    end Build_Dynamic_Library;
 184
 185    -------------
 186    -- DLL_Ext --
 187    -------------
 188
 189    function DLL_Ext return String is
 190    begin
 191       return "so";
 192    end DLL_Ext;
 193
 194    ----------------
 195    -- DLL_Prefix --
 196    ----------------
 197
 198    function DLL_Prefix return String is
 199    begin
 200       return "lib";
 201    end DLL_Prefix;
 202
 203    --------------------
 204    -- Dynamic_Option --
 205    --------------------
 206
 207    function Dynamic_Option return String is
 208    begin
 209       return "-shared";
 210    end Dynamic_Option;
 211
 212    -------------------
 213    -- Is_Object_Ext --
 214    -------------------
 215
 216    function Is_Object_Ext (Ext : String) return Boolean is
 217    begin
 218       return Ext = ".o";
 219    end Is_Object_Ext;
 220
 221    --------------
 222    -- Is_C_Ext --
 223    --------------
 224
 225    function Is_C_Ext (Ext : String) return Boolean is
 226    begin
 227       return Ext = ".c";
 228    end Is_C_Ext;
 229
 230    --------------------
 231    -- Is_Archive_Ext --
 232    --------------------
 233
 234    function Is_Archive_Ext (Ext : String) return Boolean is
 235    begin
 236       return Ext = ".a" or else Ext = ".so";
 237    end Is_Archive_Ext;
 238
 239    -------------
 240    -- Libgnat --
 241    -------------
 242
 243    function Libgnat return String is
 244    begin
 245       return "libgnat.a";
 246    end Libgnat;
 247
 248    ------------------------
 249    -- Library_Exists_For --
 250    ------------------------
 251
 252    function Library_Exists_For
 253      (Project : Project_Id; In_Tree : Project_Tree_Ref) return Boolean
 254    is
 255    begin
 256       if not In_Tree.Projects.Table (Project).Library then
 257          Prj.Com.Fail ("INTERNAL ERROR: Library_Exists_For called " &
 258                        "for non library project");
 259          return False;
 260
 261       else
 262          declare
 263             Lib_Dir : constant String :=
 264               Get_Name_String
 265                 (In_Tree.Projects.Table (Project).Library_Dir);
 266             Lib_Name : constant String :=
 267               Get_Name_String
 268                 (In_Tree.Projects.Table (Project).Library_Name);
 269
 270          begin
 271             if In_Tree.Projects.Table (Project).Library_Kind =
 272               Static
 273             then
 274                return Is_Regular_File
 275                  (Lib_Dir & Directory_Separator & "lib" &
 276                   Fil.Ext_To (Lib_Name, Archive_Ext));
 277
 278             else
 279                return Is_Regular_File
 280                  (Lib_Dir & Directory_Separator & "lib" &
 281                   Fil.Ext_To (Lib_Name, DLL_Ext));
 282             end if;
 283          end;
 284       end if;
 285    end Library_Exists_For;
 286
 287    ---------------------------
 288    -- Library_File_Name_For --
 289    ---------------------------
 290
 291    function Library_File_Name_For
 292      (Project : Project_Id;
 293       In_Tree : Project_Tree_Ref) return Name_Id
 294    is
 295    begin
 296       if not In_Tree.Projects.Table (Project).Library then
 297          Prj.Com.Fail ("INTERNAL ERROR: Library_File_Name_For called " &
 298                        "for non library project");
 299          return No_Name;
 300
 301       else
 302          declare
 303             Lib_Name : constant String :=
 304               Get_Name_String
 305                 (In_Tree.Projects.Table (Project).Library_Name);
 306
 307          begin
 308             Name_Len := 3;
 309             Name_Buffer (1 .. Name_Len) := "lib";
 310
 311             if In_Tree.Projects.Table (Project).Library_Kind =
 312               Static
 313             then
 314                Add_Str_To_Name_Buffer (Fil.Ext_To (Lib_Name, Archive_Ext));
 315
 316             else
 317                Add_Str_To_Name_Buffer (Fil.Ext_To (Lib_Name, DLL_Ext));
 318             end if;
 319
 320             return Name_Find;
 321          end;
 322       end if;
 323    end Library_File_Name_For;
 324
 325    ----------------
 326    -- Object_Ext --
 327    ----------------
 328
 329    function Object_Ext return String is
 330    begin
 331       return "o";
 332    end Object_Ext;
 333
 334    ----------------
 335    -- PIC_Option --
 336    ----------------
 337
 338    function PIC_Option return String is
 339    begin
 340       return "-fPIC";
 341    end PIC_Option;
 342
 343    -----------------------------------------------
 344    -- Standalone_Library_Auto_Init_Is_Supported --
 345    -----------------------------------------------
 346
 347    function Standalone_Library_Auto_Init_Is_Supported return Boolean is
 348    begin
 349       return True;
 350    end Standalone_Library_Auto_Init_Is_Supported;
 351
 352    ---------------------------
 353    -- Support_For_Libraries --
 354    ---------------------------
 355
 356    function Support_For_Libraries return Library_Support is
 357    begin
 358       return Full;
 359    end Support_For_Libraries;
 360
 361 end MLib.Tgt;