------------------------------------------------------------------------------ -- -- -- GNAT COMPILER COMPONENTS -- -- -- -- M L I B . T G T -- -- (Windows Version) -- -- -- -- B o d y -- -- -- -- Copyright (C) 2002-2005, Free Software Foundation, 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 Windows version of the body. Works only with GCC versions -- supporting the "-shared" option. with Ada.Characters.Handling; use Ada.Characters.Handling; with Ada.Text_IO; use Ada; use Ada.Text_IO; with GNAT.OS_Lib; use GNAT.OS_Lib; with Namet; use Namet; with Opt; with Output; use Output; with Prj.Com; with MLib.Fil; with MLib.Utl; package body MLib.Tgt is package Files renames MLib.Fil; package Tools renames MLib.Utl; --------------------- -- 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 (Symbol_Data); pragma Unreferenced (Interfaces); pragma Unreferenced (Lib_Version); Lib_File : constant String := Lib_Dir & Directory_Separator & Files.Ext_To (Lib_Filename, DLL_Ext); -- Start of processing for Build_Dynamic_Library begin if Opt.Verbose_Mode then Write_Str ("building relocatable shared library "); Write_Line (Lib_File); end if; -- Generate auto-init routine if in Auto_Init mode if Auto_Init then declare Compile_Only : aliased String := "-c"; GCC : constant String_Access := Locate_Exec_On_Path ("gcc.exe"); Filename : constant String := To_Lower (Lib_Filename); Autoinit_Spec : constant String := Filename & "_autoinit.ads"; Autoinit_Body : aliased String := Filename & "_autoinit.adb"; Autoinit_Obj : aliased String := Filename & "_autoinit.o"; Autoinit_Ali : constant String := Filename & "_autoinit.ali"; Init_Proc : constant String := Lib_Filename & "init"; Final_Proc : constant String := Lib_Filename & "final"; Autoinit_Opt : constant Argument_List := (1 => Autoinit_Obj'Unchecked_Access); Arguments : constant Argument_List (1 .. 2) := (Compile_Only'Unchecked_Access, Autoinit_Body'Unchecked_Access); File : Text_IO.File_Type; Success : Boolean; begin if Opt.Verbose_Mode then Write_Str ("Creating auto-init Ada file """); Write_Str (Autoinit_Spec); Write_Str (""" and """); Write_Str (Autoinit_Body); Write_Line (""""); end if; -- Create the spec Create (File, Out_File, Autoinit_Spec); Put_Line (File, "package " & Lib_Filename & "_autoinit is"); New_Line (File); Put_Line (File, " type HINSTANCE is new Integer;"); Put_Line (File, " type DWORD is new Integer;"); Put_Line (File, " type LPVOID is new Integer;"); Put_Line (File, " type BOOL is new Integer;"); New_Line (File); Put_Line (File, " function DllMain"); Put_Line (File, " (hinstdll : HINSTANCE;"); Put_Line (File, " fdwreason : DWORD;"); Put_Line (File, " lpvreserved : LPVOID)"); Put_Line (File, " return BOOL;"); Put_Line (File, " pragma Export (Stdcall, DllMain, ""DllMain"");"); New_Line (File); Put_Line (File, "end " & Lib_Filename & "_autoinit;"); Close (File); -- Create the body Create (File, Out_File, Autoinit_Body); Put_Line (File, "package body " & Lib_Filename & "_autoinit is"); New_Line (File); Put_Line (File, " DLL_PROCESS_DETACH : constant := 0;"); Put_Line (File, " DLL_PROCESS_ATTACH : constant := 1;"); Put_Line (File, " DLL_THREAD_ATTACH : constant := 2;"); Put_Line (File, " DLL_THREAD_DETACH : constant := 3;"); New_Line (File); Put_Line (File, " procedure " & Init_Proc & ";"); Put (File, " pragma Import (C, " & Init_Proc); Put_Line (File, ", """ & Init_Proc & """);"); New_Line (File); Put_Line (File, " procedure " & Final_Proc & ";"); Put (File, " pragma Import (C, " & Final_Proc); Put_Line (File, ", """ & Final_Proc & """);"); New_Line (File); Put_Line (File, " function DllMain"); Put_Line (File, " (hinstdll : HINSTANCE;"); Put_Line (File, " fdwreason : DWORD;"); Put_Line (File, " lpvreserved : LPVOID)"); Put_Line (File, " return BOOL"); Put_Line (File, " is"); Put_Line (File, " pragma Unreferenced (hinstDLL);"); Put_Line (File, " pragma Unreferenced (lpvReserved);"); Put_Line (File, " begin"); Put_Line (File, " case fdwReason is"); Put_Line (File, " when DLL_PROCESS_ATTACH =>"); Put_Line (File, " " & Init_Proc & ";"); Put_Line (File, " when DLL_PROCESS_DETACH =>"); Put_Line (File, " " & Final_Proc & ";"); Put_Line (File, " when DLL_THREAD_ATTACH =>"); Put_Line (File, " null;"); Put_Line (File, " when DLL_THREAD_DETACH =>"); Put_Line (File, " null;"); Put_Line (File, " when others =>"); Put_Line (File, " null;"); Put_Line (File, " end case;"); Put_Line (File, " return 1;"); Put_Line (File, " exception"); Put_Line (File, " when others =>"); Put_Line (File, " return 0;"); Put_Line (File, " end DllMain;"); New_Line (File); Put_Line (File, "end " & Lib_Filename & "_autoinit;"); Close (File); -- Compile the auto-init file Spawn (GCC.all, Arguments, Success); if not Success then Fail ("unable to compile the auto-init unit for library """, Lib_Filename, """"); end if; -- Build the SAL library Tools.Gcc (Output_File => Lib_File, Objects => Ofiles, Options => Tools.No_Argument_List, Options_2 => Options & Options_2 & Autoinit_Opt, Driver_Name => Driver_Name); -- Remove generated files if Opt.Verbose_Mode then Write_Str ("deleting auto-init generated files"); Write_Eol; end if; Delete_File (Autoinit_Spec, Success); Delete_File (Autoinit_Body, Success); Delete_File (Autoinit_Obj, Success); Delete_File (Autoinit_Ali, Success); end; else Tools.Gcc (Output_File => Lib_File, Objects => Ofiles, Options => Tools.No_Argument_List, Options_2 => Options & Options_2, Driver_Name => Driver_Name); end if; end Build_Dynamic_Library; ------------- -- DLL_Ext -- ------------- function DLL_Ext return String is begin return "dll"; 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 = ".dll"; 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" & MLib.Fil.Ext_To (Lib_Name, Archive_Ext)); else return Is_Regular_File (Lib_Dir & Directory_Separator & MLib.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 if In_Tree.Projects.Table (Project).Library_Kind = Static then Name_Len := 3; Name_Buffer (1 .. Name_Len) := "lib"; Add_Str_To_Name_Buffer (Fil.Ext_To (Lib_Name, Archive_Ext)); else Name_Len := 0; 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 ""; 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;