1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
10 -- Copyright (C) 2003, Ada Core Technologies, Inc. --
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, 59 Temple Place - Suite 330, Boston, --
21 -- MA 02111-1307, USA. --
23 -- GNAT was originally developed by the GNAT team at New York University. --
24 -- Extensive contributions were provided by Ada Core Technologies Inc. --
26 ------------------------------------------------------------------------------
28 -- This package provides a set of target dependent routines to build
29 -- libraries (static only on HP-UX).
31 -- This is the HP-UX version of the body.
35 with Namet; use Namet;
37 with Output; use Output;
41 package body MLib.Tgt is
43 No_Arguments : aliased Argument_List := (1 .. 0 => null);
44 Empty_Argument_List : constant Argument_List_Access := No_Arguments'Access;
46 Wl_Init_String : aliased String := "-Wl,+init";
47 Wl_Init : constant String_Access := Wl_Init_String'Access;
48 Wl_Fini_String : aliased String := "-Wl,+fini";
49 Wl_Fini : constant String_Access := Wl_Fini_String'Access;
51 Init_Fini_List : constant Argument_List_Access :=
52 new Argument_List'(1 => Wl_Init,
56 -- Used to put switches for automatic elaboration/finalization
61 function Archive_Builder return String is
66 -----------------------------
67 -- Archive_Builder_Options --
68 -----------------------------
70 function Archive_Builder_Options return String_List_Access is
72 return new String_List'(1 => new String'("cr"));
73 end Archive_Builder_Options;
79 function Archive_Ext return String is
88 function Archive_Indexer return String is
93 ---------------------------
94 -- Build_Dynamic_Library --
95 ---------------------------
97 procedure Build_Dynamic_Library
98 (Ofiles : Argument_List;
99 Foreign : Argument_List;
100 Afiles : Argument_List;
101 Options : Argument_List;
102 Interfaces : Argument_List;
103 Lib_Filename : String;
105 Symbol_Data : Symbol_Record;
106 Driver_Name : Name_Id := No_Name;
107 Lib_Address : String := "";
108 Lib_Version : String := "";
109 Relocatable : Boolean := False;
110 Auto_Init : Boolean := False)
112 pragma Unreferenced (Foreign);
113 pragma Unreferenced (Afiles);
114 pragma Unreferenced (Interfaces);
115 pragma Unreferenced (Symbol_Data);
116 pragma Unreferenced (Lib_Address);
117 pragma Unreferenced (Relocatable);
119 Lib_File : constant String :=
120 Lib_Dir & Directory_Separator & "lib" &
121 MLib.Fil.Ext_To (Lib_Filename, DLL_Ext);
123 Version_Arg : String_Access;
124 Symbolic_Link_Needed : Boolean := False;
126 Init_Fini : Argument_List_Access := Empty_Argument_List;
128 Common_Options : constant Argument_List :=
129 Options & new String'(PIC_Option);
130 -- Common set of options to the gcc command performing the link.
131 -- On HPUX, this command eventually resorts to collect2, which may
132 -- generate a C file and compile it on the fly. This compilation shall
133 -- also generate position independant code for the final link to
136 if Opt.Verbose_Mode then
137 Write_Str ("building relocatable shared library ");
138 Write_Line (Lib_File);
141 -- If specified, add automatic elaboration/finalization
143 Init_Fini := Init_Fini_List;
144 Init_Fini (2) := new String'("-Wl," & Lib_Filename & "init");
145 Init_Fini (4) := new String'("-Wl," & Lib_Filename & "final");
148 if Lib_Version = "" then
150 (Output_File => Lib_File,
152 Options => Common_Options & Init_Fini.all,
153 Driver_Name => Driver_Name);
156 Version_Arg := new String'("-Wl,+h," & Lib_Version);
158 if Is_Absolute_Path (Lib_Version) then
160 (Output_File => Lib_Version,
162 Options => Common_Options & Version_Arg & Init_Fini.all,
163 Driver_Name => Driver_Name);
164 Symbolic_Link_Needed := Lib_Version /= Lib_File;
168 (Output_File => Lib_Dir & Directory_Separator & Lib_Version,
170 Options => Common_Options & Version_Arg & Init_Fini.all,
171 Driver_Name => Driver_Name);
172 Symbolic_Link_Needed :=
173 Lib_Dir & Directory_Separator & Lib_Version /= Lib_File;
176 if Symbolic_Link_Needed then
179 Oldpath : String (1 .. Lib_Version'Length + 1);
180 Newpath : String (1 .. Lib_File'Length + 1);
183 pragma Unreferenced (Result);
186 (Oldpath : System.Address;
187 Newpath : System.Address) return Integer;
188 pragma Import (C, Symlink, "__gnat_symlink");
191 Oldpath (1 .. Lib_Version'Length) := Lib_Version;
192 Oldpath (Oldpath'Last) := ASCII.NUL;
193 Newpath (1 .. Lib_File'Length) := Lib_File;
194 Newpath (Newpath'Last) := ASCII.NUL;
196 Delete_File (Lib_File, Success);
198 Result := Symlink (Oldpath'Address, Newpath'Address);
202 end Build_Dynamic_Library;
204 -------------------------
205 -- Default_DLL_Address --
206 -------------------------
208 function Default_DLL_Address return String is
211 end Default_DLL_Address;
217 function DLL_Ext return String is
226 function Dynamic_Option return String is
235 function Is_Object_Ext (Ext : String) return Boolean is
244 function Is_C_Ext (Ext : String) return Boolean is
253 function Is_Archive_Ext (Ext : String) return Boolean is
255 return Ext = ".a" or else Ext = ".so";
262 function Libgnat return String is
267 ------------------------
268 -- Library_Exists_For --
269 ------------------------
271 function Library_Exists_For (Project : Project_Id) return Boolean is
273 if not Projects.Table (Project).Library then
274 Prj.Com.Fail ("INTERNAL ERROR: Library_Exists_For called " &
275 "for non library project");
280 Lib_Dir : constant String :=
281 Get_Name_String (Projects.Table (Project).Library_Dir);
282 Lib_Name : constant String :=
283 Get_Name_String (Projects.Table (Project).Library_Name);
286 if Projects.Table (Project).Library_Kind = Static then
287 return Is_Regular_File
288 (Lib_Dir & Directory_Separator & "lib" &
289 Fil.Ext_To (Lib_Name, Archive_Ext));
292 return Is_Regular_File
293 (Lib_Dir & Directory_Separator & "lib" &
294 Fil.Ext_To (Lib_Name, DLL_Ext));
298 end Library_Exists_For;
300 ---------------------------
301 -- Library_File_Name_For --
302 ---------------------------
304 function Library_File_Name_For (Project : Project_Id) return Name_Id is
306 if not Projects.Table (Project).Library then
307 Prj.Com.Fail ("INTERNAL ERROR: Library_File_Name_For called " &
308 "for non library project");
313 Lib_Name : constant String :=
314 Get_Name_String (Projects.Table (Project).Library_Name);
318 Name_Buffer (1 .. Name_Len) := "lib";
320 if Projects.Table (Project).Library_Kind = Static then
321 Add_Str_To_Name_Buffer (Fil.Ext_To (Lib_Name, Archive_Ext));
324 Add_Str_To_Name_Buffer (Fil.Ext_To (Lib_Name, DLL_Ext));
330 end Library_File_Name_For;
332 --------------------------------
333 -- Linker_Library_Path_Option --
334 --------------------------------
336 function Linker_Library_Path_Option return String_Access is
338 return new String'("-Wl,+b,");
339 end Linker_Library_Path_Option;
345 function Object_Ext return String is
354 function PIC_Option return String is
359 -----------------------------------------------
360 -- Standalone_Library_Auto_Init_Is_Supported --
361 -----------------------------------------------
363 function Standalone_Library_Auto_Init_Is_Supported return Boolean is
366 end Standalone_Library_Auto_Init_Is_Supported;
368 ---------------------------
369 -- Support_For_Libraries --
370 ---------------------------
372 function Support_For_Libraries return Library_Support is
375 end Support_For_Libraries;