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|
------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- M L I B . T G T --
-- (IRIX Version) --
-- --
-- B o d y --
-- --
-- Copyright (C) 2003-2005, Ada Core Technologies, Inc. --
-- --
-- GNAT is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- ware Foundation; either version 2, or (at your option) any later ver- --
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
-- for more details. You should have received a copy of the GNU General --
-- Public License distributed with GNAT; see file COPYING. If not, write --
-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
-- MA 02111-1307, USA. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
-- This package provides a set of target dependent routines to build
-- static, dynamic and shared libraries.
-- This is the IRIX version of the body.
with MLib.Fil;
with MLib.Utl;
with Namet; use Namet;
with Opt;
with Output; use Output;
with Prj.Com;
with System;
package body MLib.Tgt is
No_Arguments : aliased Argument_List := (1 .. 0 => null);
Empty_Argument_List : constant Argument_List_Access := No_Arguments'Access;
Wl_Init_String : aliased String := "-Wl,-init";
Wl_Init : constant String_Access := Wl_Init_String'Access;
Wl_Fini_String : aliased String := "-Wl,-fini";
Wl_Fini : constant String_Access := Wl_Fini_String'Access;
Init_Fini_List : constant Argument_List_Access :=
new Argument_List'(1 => Wl_Init,
2 => null,
3 => Wl_Fini,
4 => null);
-- Used to put switches for automatic elaboration/finalization
---------------------
-- Archive_Builder --
---------------------
function Archive_Builder return String is
begin
return "ar";
end Archive_Builder;
-----------------------------
-- Archive_Builder_Options --
-----------------------------
function Archive_Builder_Options return String_List_Access is
begin
return new String_List'(1 => new String'("cr"));
end Archive_Builder_Options;
-----------------
-- Archive_Ext --
-----------------
function Archive_Ext return String is
begin
return "a";
end Archive_Ext;
---------------------
-- Archive_Indexer --
---------------------
function Archive_Indexer return String is
begin
return "ranlib";
end Archive_Indexer;
-----------------------------
-- Archive_Indexer_Options --
-----------------------------
function Archive_Indexer_Options return String_List_Access is
begin
return new String_List (1 .. 0);
end Archive_Indexer_Options;
---------------------------
-- Build_Dynamic_Library --
---------------------------
procedure Build_Dynamic_Library
(Ofiles : Argument_List;
Foreign : Argument_List;
Afiles : Argument_List;
Options : Argument_List;
Options_2 : Argument_List;
Interfaces : Argument_List;
Lib_Filename : String;
Lib_Dir : String;
Symbol_Data : Symbol_Record;
Driver_Name : Name_Id := No_Name;
Lib_Version : String := "";
Auto_Init : Boolean := False)
is
pragma Unreferenced (Foreign);
pragma Unreferenced (Afiles);
pragma Unreferenced (Interfaces);
pragma Unreferenced (Symbol_Data);
Lib_File : constant String :=
Lib_Dir & Directory_Separator & "lib" &
MLib.Fil.Ext_To (Lib_Filename, DLL_Ext);
Version_Arg : String_Access;
Symbolic_Link_Needed : Boolean := False;
Init_Fini : Argument_List_Access := Empty_Argument_List;
N_Options : Argument_List := Options;
Options_Last : Natural := N_Options'Last;
-- After moving -lxxx to Options_2, N_Options up to index Options_Last
-- will contain the Options to pass to MLib.Utl.Gcc.
Real_Options_2 : Argument_List (1 .. Options'Length + Options_2'Length);
Real_Options_2_Last : Natural := 0;
-- Real_Options_2 up to index Real_Options_2_Last will contain the
-- Options_2 to pass to MLib.Utl.Gcc.
begin
if Opt.Verbose_Mode then
Write_Str ("building relocatable shared library ");
Write_Line (Lib_File);
end if;
-- If specified, add automatic elaboration/finalization
if Auto_Init then
Init_Fini := Init_Fini_List;
Init_Fini (2) := new String'("-Wl," & Lib_Filename & "init");
Init_Fini (4) := new String'("-Wl," & Lib_Filename & "final");
end if;
-- Move all -lxxx to Options_2
declare
Index : Natural := N_Options'First;
Arg : String_Access;
begin
while Index <= Options_Last loop
Arg := N_Options (Index);
if Arg'Length > 2
and then Arg (Arg'First .. Arg'First + 1) = "-l"
then
Real_Options_2_Last := Real_Options_2_Last + 1;
Real_Options_2 (Real_Options_2_Last) := Arg;
N_Options (Index .. Options_Last - 1) :=
N_Options (Index + 1 .. Options_Last);
Options_Last := Options_Last - 1;
else
Index := Index + 1;
end if;
end loop;
end;
-- Add to Real_Options_2 the argument Options_2
Real_Options_2
(Real_Options_2_Last + 1 .. Real_Options_2_Last + Options_2'Length) :=
Options_2;
Real_Options_2_Last := Real_Options_2_Last + Options_2'Length;
if Lib_Version = "" then
MLib.Utl.Gcc
(Output_File => Lib_File,
Objects => Ofiles,
Options => N_Options (N_Options'First .. Options_Last) &
Init_Fini.all,
Driver_Name => Driver_Name,
Options_2 => Real_Options_2 (1 .. Real_Options_2_Last));
else
Version_Arg := new String'("-Wl,-soname," & Lib_Version);
if Is_Absolute_Path (Lib_Version) then
MLib.Utl.Gcc
(Output_File => Lib_Version,
Objects => Ofiles,
Options => N_Options (N_Options'First .. Options_Last) &
Version_Arg & Init_Fini.all,
Driver_Name => Driver_Name,
Options_2 => Real_Options_2 (1 .. Real_Options_2_Last));
Symbolic_Link_Needed := Lib_Version /= Lib_File;
else
MLib.Utl.Gcc
(Output_File => Lib_Dir & Directory_Separator & Lib_Version,
Objects => Ofiles,
Options => N_Options (N_Options'First .. Options_Last) &
Version_Arg & Init_Fini.all,
Driver_Name => Driver_Name,
Options_2 => Real_Options_2 (1 .. Real_Options_2_Last));
Symbolic_Link_Needed :=
Lib_Dir & Directory_Separator & Lib_Version /= Lib_File;
end if;
if Symbolic_Link_Needed then
declare
Success : Boolean;
Oldpath : String (1 .. Lib_Version'Length + 1);
Newpath : String (1 .. Lib_File'Length + 1);
Result : Integer;
pragma Unreferenced (Result);
function Symlink
(Oldpath : System.Address;
Newpath : System.Address)
return Integer;
pragma Import (C, Symlink, "__gnat_symlink");
begin
Oldpath (1 .. Lib_Version'Length) := Lib_Version;
Oldpath (Oldpath'Last) := ASCII.NUL;
Newpath (1 .. Lib_File'Length) := Lib_File;
Newpath (Newpath'Last) := ASCII.NUL;
Delete_File (Lib_File, Success);
Result := Symlink (Oldpath'Address, Newpath'Address);
end;
end if;
end if;
end Build_Dynamic_Library;
-------------
-- DLL_Ext --
-------------
function DLL_Ext return String is
begin
return "so";
end DLL_Ext;
--------------------
-- Dynamic_Option --
--------------------
function Dynamic_Option return String is
begin
return "-shared";
end Dynamic_Option;
-------------------
-- Is_Object_Ext --
-------------------
function Is_Object_Ext (Ext : String) return Boolean is
begin
return Ext = ".o";
end Is_Object_Ext;
--------------
-- Is_C_Ext --
--------------
function Is_C_Ext (Ext : String) return Boolean is
begin
return Ext = ".c";
end Is_C_Ext;
--------------------
-- Is_Archive_Ext --
--------------------
function Is_Archive_Ext (Ext : String) return Boolean is
begin
return Ext = ".a" or else Ext = ".so";
end Is_Archive_Ext;
-------------
-- Libgnat --
-------------
function Libgnat return String is
begin
return "libgnat.a";
end Libgnat;
------------------------
-- Library_Exists_For --
------------------------
function Library_Exists_For
(Project : Project_Id; In_Tree : Project_Tree_Ref) return Boolean
is
begin
if not In_Tree.Projects.Table (Project).Library then
Prj.Com.Fail ("INTERNAL ERROR: Library_Exists_For called " &
"for non library project");
return False;
else
declare
Lib_Dir : constant String :=
Get_Name_String
(In_Tree.Projects.Table (Project).Library_Dir);
Lib_Name : constant String :=
Get_Name_String
(In_Tree.Projects.Table (Project).Library_Name);
begin
if In_Tree.Projects.Table (Project).Library_Kind =
Static
then
return Is_Regular_File
(Lib_Dir & Directory_Separator & "lib" &
Fil.Ext_To (Lib_Name, Archive_Ext));
else
return Is_Regular_File
(Lib_Dir & Directory_Separator & "lib" &
Fil.Ext_To (Lib_Name, DLL_Ext));
end if;
end;
end if;
end Library_Exists_For;
---------------------------
-- Library_File_Name_For --
---------------------------
function Library_File_Name_For
(Project : Project_Id;
In_Tree : Project_Tree_Ref) return Name_Id
is
begin
if not In_Tree.Projects.Table (Project).Library then
Prj.Com.Fail ("INTERNAL ERROR: Library_File_Name_For called " &
"for non library project");
return No_Name;
else
declare
Lib_Name : constant String :=
Get_Name_String
(In_Tree.Projects.Table (Project).Library_Name);
begin
Name_Len := 3;
Name_Buffer (1 .. Name_Len) := "lib";
if In_Tree.Projects.Table (Project).Library_Kind =
Static
then
Add_Str_To_Name_Buffer (Fil.Ext_To (Lib_Name, Archive_Ext));
else
Add_Str_To_Name_Buffer (Fil.Ext_To (Lib_Name, DLL_Ext));
end if;
return Name_Find;
end;
end if;
end Library_File_Name_For;
----------------
-- Object_Ext --
----------------
function Object_Ext return String is
begin
return "o";
end Object_Ext;
----------------
-- PIC_Option --
----------------
function PIC_Option return String is
begin
return "-fPIC";
end PIC_Option;
-----------------------------------------------
-- Standalone_Library_Auto_Init_Is_Supported --
-----------------------------------------------
function Standalone_Library_Auto_Init_Is_Supported return Boolean is
begin
return True;
end Standalone_Library_Auto_Init_Is_Supported;
---------------------------
-- Support_For_Libraries --
---------------------------
function Support_For_Libraries return Library_Support is
begin
return Full;
end Support_For_Libraries;
end MLib.Tgt;
|
