-- --
-- GNAT COMPILER COMPONENTS --
-- --
--- M L I B . T G T --
--- (VMS Version) --
+-- M L I B . T G T . V M S --
-- --
-- B o d y --
-- --
--- Copyright (C) 2003-2004, Free Software Foundation, Inc. --
+-- Copyright (C) 2003-2007, 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- --
+-- ware Foundation; either version 3, 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. --
+-- Public License distributed with GNAT; see file COPYING3. If not, go to --
+-- http://www.gnu.org/licenses for a complete copy of the license. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
--- This is the VMS version of the body
+-- This is the part of MLib.Tgt.Specific common to both VMS versions
-with Ada.Characters.Handling; use Ada.Characters.Handling;
+package body MLib.Tgt.VMS is
-with GNAT.Directory_Operations; use GNAT.Directory_Operations;
-with GNAT.OS_Lib; use GNAT.OS_Lib;
+ -- Non default subprograms. See comments in mlib-tgt.ads
-with MLib.Fil;
-with MLib.Utl;
-with Namet; use Namet;
-with Opt; use Opt;
-with Output; use Output;
-with Prj.Com;
-with System; use System;
-with System.Case_Util; use System.Case_Util;
+ function Archive_Ext return String;
-package body MLib.Tgt is
+ function Default_Symbol_File_Name return String;
- use GNAT;
+ function DLL_Ext return String;
- Empty_Argument_List : aliased Argument_List := (1 .. 0 => null);
- Additional_Objects : Argument_List_Access := Empty_Argument_List'Access;
- -- Used to add the generated auto-init object files for auto-initializing
- -- stand-alone libraries.
+ function Is_Object_Ext (Ext : String) return Boolean;
- Macro_Name : constant String := "mcr gnu:[bin]gcc -c -x assembler";
- -- The name of the command to invoke the macro-assembler
+ function Is_Archive_Ext (Ext : String) return Boolean;
- VMS_Options : Argument_List := (1 .. 1 => null);
+ function Libgnat return String;
- Gnatsym_Name : constant String := "gnatsym";
+ function Object_Ext return String;
- Gnatsym_Path : String_Access;
+ function Library_Major_Minor_Id_Supported return Boolean;
- Arguments : Argument_List_Access := null;
- Last_Argument : Natural := 0;
-
- Success : Boolean := False;
-
- Shared_Libgcc : aliased String := "-shared-libgcc";
-
- No_Shared_Libgcc_Switch : aliased Argument_List := (1 .. 0 => null);
- Shared_Libgcc_Switch : aliased Argument_List :=
- (1 => Shared_Libgcc'Access);
- Link_With_Shared_Libgcc : Argument_List_Access :=
- No_Shared_Libgcc_Switch'Access;
-
- ------------------------------
- -- Target dependent section --
- ------------------------------
-
- function Popen (Command, Mode : System.Address) return System.Address;
- pragma Import (C, Popen);
-
- function Pclose (File : System.Address) return Integer;
- pragma Import (C, Pclose);
-
- ---------------------
- -- 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;
+ function PIC_Option return String;
-----------------
-- Archive_Ext --
return "olb";
end Archive_Ext;
- ---------------------
- -- Archive_Indexer --
- ---------------------
-
- function Archive_Indexer return String is
- begin
- return "ranlib";
- end Archive_Indexer;
-
- ---------------------------
- -- Build_Dynamic_Library --
- ---------------------------
-
- procedure Build_Dynamic_Library
- (Ofiles : Argument_List;
- Foreign : Argument_List;
- Afiles : Argument_List;
- Options : Argument_List;
- Interfaces : Argument_List;
- Lib_Filename : String;
- Lib_Dir : String;
- Symbol_Data : Symbol_Record;
- Driver_Name : Name_Id := No_Name;
- Lib_Address : String := "";
- Lib_Version : String := "";
- Relocatable : Boolean := False;
- Auto_Init : Boolean := False)
- is
- pragma Unreferenced (Foreign);
- pragma Unreferenced (Afiles);
- pragma Unreferenced (Lib_Address);
- pragma Unreferenced (Relocatable);
-
- Lib_File : constant String :=
- Lib_Dir & Directory_Separator & "lib" &
- Fil.Ext_To (Lib_Filename, DLL_Ext);
-
- Opts : Argument_List := Options;
- Last_Opt : Natural := Opts'Last;
- Opts2 : Argument_List (Options'Range);
- Last_Opt2 : Natural := Opts2'First - 1;
-
- Inter : constant Argument_List := Interfaces;
-
- function Is_Interface (Obj_File : String) return Boolean;
- -- For a Stand-Alone Library, returns True if Obj_File is the object
- -- file name of an interface of the SAL.
- -- For other libraries, always return True.
-
- function Option_File_Name return String;
- -- Returns Symbol_File, if not empty. Otherwise, returns "symvec.opt"
-
- function Version_String return String;
- -- Returns Lib_Version if not empty, otherwise returns "1".
- -- Fails gnatmake if Lib_Version is not the image of a positive number.
-
- ------------------
- -- Is_Interface --
- ------------------
-
- function Is_Interface (Obj_File : String) return Boolean is
- ALI : constant String :=
- Fil.Ext_To
- (Filename => To_Lower (Base_Name (Obj_File)),
- New_Ext => "ali");
-
- begin
- if Inter'Length = 0 then
- return True;
-
- elsif ALI'Length > 2 and then
- ALI (ALI'First .. ALI'First + 1) = "b$"
- then
- return True;
-
- else
- for J in Inter'Range loop
- if Inter (J).all = ALI then
- return True;
- end if;
- end loop;
-
- return False;
- end if;
- end Is_Interface;
-
- ----------------------
- -- Option_File_Name --
- ----------------------
-
- function Option_File_Name return String is
- begin
- if Symbol_Data.Symbol_File = No_Name then
- return "symvec.opt";
- else
- Get_Name_String (Symbol_Data.Symbol_File);
- To_Lower (Name_Buffer (1 .. Name_Len));
- return Name_Buffer (1 .. Name_Len);
- end if;
- end Option_File_Name;
-
- --------------------
- -- Version_String --
- --------------------
-
- function Version_String return String is
- Version : Integer := 0;
- begin
- if Lib_Version = "" then
- return "1";
-
- else
- begin
- Version := Integer'Value (Lib_Version);
-
- if Version <= 0 then
- raise Constraint_Error;
- end if;
-
- return Lib_Version;
-
- exception
- when Constraint_Error =>
- Fail ("illegal version """, Lib_Version,
- """ (on VMS version must be a positive number)");
- return "";
- end;
- end if;
- end Version_String;
-
- Opt_File_Name : constant String := Option_File_Name;
- Version : constant String := Version_String;
- For_Linker_Opt : String_Access;
-
- -- Start of processing for Build_Dynamic_Library
-
- begin
- -- Invoke gcc with -shared-libgcc, but only for GCC 3 or higher
-
- if GCC_Version >= 3 then
- Link_With_Shared_Libgcc := Shared_Libgcc_Switch'Access;
- else
- Link_With_Shared_Libgcc := No_Shared_Libgcc_Switch'Access;
- end if;
-
- -- If option file name does not ends with ".opt", append "/OPTIONS"
- -- to its specification for the VMS linker.
-
- if Opt_File_Name'Length > 4
- and then
- Opt_File_Name (Opt_File_Name'Last - 3 .. Opt_File_Name'Last) = ".opt"
- then
- For_Linker_Opt := new String'("--for-linker=" & Opt_File_Name);
- else
- For_Linker_Opt :=
- new String'("--for-linker=" & Opt_File_Name & "/OPTIONS");
- end if;
-
- VMS_Options (VMS_Options'First) := For_Linker_Opt;
-
- for J in Inter'Range loop
- To_Lower (Inter (J).all);
- end loop;
-
- -- "gnatsym" is necessary for building the option file
-
- if Gnatsym_Path = null then
- Gnatsym_Path := OS_Lib.Locate_Exec_On_Path (Gnatsym_Name);
-
- if Gnatsym_Path = null then
- Fail (Gnatsym_Name, " not found in path");
- end if;
- end if;
-
- -- For auto-initialization of a stand-alone library, we create
- -- a macro-assembly file and we invoke the macro-assembler.
-
- if Auto_Init then
- declare
- Macro_File_Name : constant String := Lib_Filename & "$init.asm";
- Macro_File : File_Descriptor;
- Init_Proc : String := Lib_Filename & "INIT";
- Popen_Result : System.Address;
- Pclose_Result : Integer;
- Len : Natural;
- OK : Boolean := True;
-
- Command : constant String :=
- Macro_Name & " " & Macro_File_Name & ASCII.NUL;
- -- The command to invoke the assembler on the generated auto-init
- -- assembly file.
-
- Mode : constant String := "r" & ASCII.NUL;
- -- The mode for the invocation of Popen
-
- begin
- To_Upper (Init_Proc);
-
- if Verbose_Mode then
- Write_Str ("Creating auto-init assembly file """);
- Write_Str (Macro_File_Name);
- Write_Line ("""");
- end if;
-
- -- Create and write the auto-init assembly file
-
- declare
- First_Line : constant String :=
- ASCII.HT & ".section LIB$INITIALIZE,GBL,NOWRT" &
- ASCII.LF;
- Second_Line : constant String :=
- ASCII.HT & ".long " & Init_Proc & ASCII.LF;
- -- First and second lines of the auto-init assembly file
-
- begin
- Macro_File := Create_File (Macro_File_Name, Text);
- OK := Macro_File /= Invalid_FD;
-
- if OK then
- Len := Write
- (Macro_File, First_Line (First_Line'First)'Address,
- First_Line'Length);
- OK := Len = First_Line'Length;
- end if;
-
- if OK then
- Len := Write
- (Macro_File, Second_Line (Second_Line'First)'Address,
- Second_Line'Length);
- OK := Len = Second_Line'Length;
- end if;
-
- if OK then
- Close (Macro_File, OK);
- end if;
-
- if not OK then
- Fail ("creation of auto-init assembly file """,
- Macro_File_Name, """ failed");
- end if;
- end;
-
- -- Invoke the macro-assembler
-
- if Verbose_Mode then
- Write_Str ("Assembling auto-init assembly file """);
- Write_Str (Macro_File_Name);
- Write_Line ("""");
- end if;
-
- Popen_Result := Popen (Command (Command'First)'Address,
- Mode (Mode'First)'Address);
-
- if Popen_Result = Null_Address then
- Fail ("assembly of auto-init assembly file """,
- Macro_File_Name, """ failed");
- end if;
-
- -- Wait for the end of execution of the macro-assembler
-
- Pclose_Result := Pclose (Popen_Result);
-
- if Pclose_Result < 0 then
- Fail ("assembly of auto init assembly file """,
- Macro_File_Name, """ failed");
- end if;
-
- -- Add the generated object file to the list of objects to be
- -- included in the library.
-
- Additional_Objects :=
- new Argument_List'
- (1 => new String'(Lib_Filename & "$init.obj"));
- end;
- end if;
-
- -- Allocate the argument list and put the symbol file name, the
- -- reference (if any) and the policy (if not autonomous).
-
- Arguments := new Argument_List (1 .. Ofiles'Length + 8);
-
- Last_Argument := 0;
-
- -- Verbosity
-
- if Verbose_Mode then
- Last_Argument := Last_Argument + 1;
- Arguments (Last_Argument) := new String'("-v");
- end if;
-
- -- Version number (major ID)
-
- if Lib_Version /= "" then
- Last_Argument := Last_Argument + 1;
- Arguments (Last_Argument) := new String'("-V");
- Last_Argument := Last_Argument + 1;
- Arguments (Last_Argument) := new String'(Version);
- end if;
-
- -- Symbol file
-
- Last_Argument := Last_Argument + 1;
- Arguments (Last_Argument) := new String'("-s");
- Last_Argument := Last_Argument + 1;
- Arguments (Last_Argument) := new String'(Opt_File_Name);
-
- -- Reference Symbol File
-
- if Symbol_Data.Reference /= No_Name then
- Last_Argument := Last_Argument + 1;
- Arguments (Last_Argument) := new String'("-r");
- Last_Argument := Last_Argument + 1;
- Arguments (Last_Argument) :=
- new String'(Get_Name_String (Symbol_Data.Reference));
- end if;
-
- -- Policy
-
- case Symbol_Data.Symbol_Policy is
- when Autonomous =>
- null;
-
- when Compliant =>
- Last_Argument := Last_Argument + 1;
- Arguments (Last_Argument) := new String'("-c");
-
- when Controlled =>
- Last_Argument := Last_Argument + 1;
- Arguments (Last_Argument) := new String'("-C");
- end case;
-
- -- Add each relevant object file
-
- for Index in Ofiles'Range loop
- if Is_Interface (Ofiles (Index).all) then
- Last_Argument := Last_Argument + 1;
- Arguments (Last_Argument) := new String'(Ofiles (Index).all);
- end if;
- end loop;
-
- -- Spawn gnatsym
-
- Spawn (Program_Name => Gnatsym_Path.all,
- Args => Arguments (1 .. Last_Argument),
- Success => Success);
-
- if not Success then
- Fail ("unable to create symbol file for library """,
- Lib_Filename, """");
- end if;
-
- Free (Arguments);
-
- -- Move all the -l switches from Opts to Opts2
-
- declare
- Index : Natural := Opts'First;
- Opt : String_Access;
-
- begin
- while Index <= Last_Opt loop
- Opt := Opts (Index);
-
- if Opt'Length > 2 and then
- Opt (Opt'First .. Opt'First + 1) = "-l"
- then
- if Index < Last_Opt then
- Opts (Index .. Last_Opt - 1) :=
- Opts (Index + 1 .. Last_Opt);
- end if;
-
- Last_Opt := Last_Opt - 1;
-
- Last_Opt2 := Last_Opt2 + 1;
- Opts2 (Last_Opt2) := Opt;
-
- else
- Index := Index + 1;
- end if;
- end loop;
- end;
-
- -- Invoke gcc to build the library
-
- Utl.Gcc
- (Output_File => Lib_File,
- Objects => Ofiles & Additional_Objects.all,
- Options => VMS_Options,
- Options_2 => Link_With_Shared_Libgcc.all &
- Opts (Opts'First .. Last_Opt) &
- Opts2 (Opts2'First .. Last_Opt2),
- Driver_Name => Driver_Name);
-
- -- The auto-init object file need to be deleted, so that it will not
- -- be included in the library as a regular object file, otherwise
- -- it will be included twice when the library will be built next
- -- time, which may lead to errors.
-
- if Auto_Init then
- declare
- Auto_Init_Object_File_Name : constant String :=
- Lib_Filename & "$init.obj";
- Disregard : Boolean;
-
- begin
- if Verbose_Mode then
- Write_Str ("deleting auto-init object file """);
- Write_Str (Auto_Init_Object_File_Name);
- Write_Line ("""");
- end if;
-
- Delete_File (Auto_Init_Object_File_Name, Success => Disregard);
- end;
- end if;
- end Build_Dynamic_Library;
-
- -------------------------
- -- Default_DLL_Address --
- -------------------------
+ ------------------------------
+ -- Default_Symbol_File_Name --
+ ------------------------------
- function Default_DLL_Address return String is
+ function Default_Symbol_File_Name return String is
begin
- return "";
- end Default_DLL_Address;
+ return "symvec.opt";
+ end Default_Symbol_File_Name;
-------------
-- DLL_Ext --
return "exe";
end DLL_Ext;
- --------------------
- -- Dynamic_Option --
- --------------------
-
- function Dynamic_Option return String is
- begin
- return "-shared";
- end Dynamic_Option;
-
-------------------
-- Is_Object_Ext --
-------------------
return Ext = ".obj";
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 --
--------------------
if Osint.Find_File (Name_Enter, Osint.Library) /= No_File then
return Libgnat_A;
-
else
return Libgnat_Olb;
end if;
end Libgnat;
- ------------------------
- -- Library_Exists_For --
- ------------------------
+ --------------------------------------
+ -- Library_Major_Minor_Id_Supported --
+ --------------------------------------
- function Library_Exists_For (Project : Project_Id) return Boolean is
+ function Library_Major_Minor_Id_Supported return Boolean is
begin
- if not Projects.Table (Project).Library then
- Fail ("INTERNAL ERROR: Library_Exists_For called " &
- "for non library project");
- return False;
-
- else
- declare
- Lib_Dir : constant String :=
- Get_Name_String (Projects.Table (Project).Library_Dir);
- Lib_Name : constant String :=
- Get_Name_String (Projects.Table (Project).Library_Name);
-
- begin
- if 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) return Name_Id is
- begin
- if not 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 (Projects.Table (Project).Library_Name);
-
- begin
- Name_Len := 3;
- Name_Buffer (1 .. Name_Len) := "lib";
-
- if 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;
+ return False;
+ end Library_Major_Minor_Id_Supported;
----------------
-- Object_Ext --
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;
+-- Package initialization
+
+begin
+ Archive_Ext_Ptr := Archive_Ext'Access;
+ Default_Symbol_File_Name_Ptr := Default_Symbol_File_Name'Access;
+ DLL_Ext_Ptr := DLL_Ext'Access;
+ Is_Object_Ext_Ptr := Is_Object_Ext'Access;
+ Is_Archive_Ext_Ptr := Is_Archive_Ext'Access;
+ Libgnat_Ptr := Libgnat'Access;
+ Object_Ext_Ptr := Object_Ext'Access;
+ PIC_Option_Ptr := PIC_Option'Access;
+ Library_Major_Minor_Id_Supported_Ptr :=
+ Library_Major_Minor_Id_Supported'Access;
+
+end MLib.Tgt.VMS;
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