+++ /dev/null
-------------------------------------------------------------------------------
--- --
--- GNAT COMPILER COMPONENTS --
--- --
--- S Y M B O L S --
--- --
--- B o d y --
--- --
--- Copyright (C) 2003-2020, 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 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 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 default version of this package, used when the creation
--- of symbol files is not supported.
-
-with Ada.Text_IO; use Ada.Text_IO;
-
-package body Symbols is
-
- ----------------
- -- Initialize --
- ----------------
-
- procedure Initialize
- (Symbol_File : String;
- Reference : String;
- Symbol_Policy : Policy;
- Quiet : Boolean;
- Version : String;
- Success : out Boolean)
- is
- pragma Unreferenced (Symbol_File);
- pragma Unreferenced (Reference);
- pragma Unreferenced (Symbol_Policy);
- pragma Unreferenced (Quiet);
- pragma Unreferenced (Version);
- begin
- Put_Line
- ("creation of symbol files is not supported on this platform");
- Success := False;
- end Initialize;
-
- ----------------
- -- Processing --
- ----------------
-
- package body Processing is
-
- -------------
- -- Process --
- -------------
-
- procedure Process
- (Object_File : String;
- Success : out Boolean)
- is
- pragma Unreferenced (Object_File);
- begin
- Success := False;
- end Process;
-
- end Processing;
-
- --------------
- -- Finalize --
- --------------
-
- procedure Finalize
- (Quiet : Boolean;
- Success : out Boolean)
- is
- pragma Unreferenced (Quiet);
- begin
- Success := False;
- end Finalize;
-
-end Symbols;
+++ /dev/null
-------------------------------------------------------------------------------
--- --
--- GNAT COMPILER COMPONENTS --
--- --
--- S Y M B O L S --
--- --
--- S p e c --
--- --
--- Copyright (C) 2003-2020, 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 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 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 package allows the creation of symbol files to be used for linking
--- libraries. The format of symbol files depends on the platform, so there is
--- several implementations of the body.
-
-with GNAT.Dynamic_Tables;
-
-with System.OS_Lib; use System.OS_Lib;
-
-package Symbols is
-
- type Policy is
- -- Symbol policy
-
- (Autonomous,
- -- Create a symbol file without considering any reference
-
- Compliant,
- -- Either create a symbol file with the same major and minor IDs if
- -- all symbols are already found in the reference file or with an
- -- incremented minor ID, if not.
-
- Controlled,
- -- Fail if symbols are not the same as those in the reference file
-
- Restricted,
- -- Restrict the symbols to those in the symbol file. Fail if some
- -- symbols in the symbol file are not exported from the object files.
-
- Direct);
- -- The reference symbol file is copied to the symbol file
-
- type Symbol_Kind is (Data, Proc);
- -- To distinguish between the different kinds of symbols
-
- type Symbol_Data is record
- Name : String_Access;
- Kind : Symbol_Kind := Data;
- Present : Boolean := True;
- end record;
- -- Data (name and kind) for each of the symbols
-
- package Symbol_Table is new GNAT.Dynamic_Tables
- (Table_Component_Type => Symbol_Data,
- Table_Index_Type => Natural,
- Table_Low_Bound => 0,
- Table_Initial => 100,
- Table_Increment => 100);
- -- The symbol tables
-
- Original_Symbols : Symbol_Table.Instance;
- -- The symbols, if any, found in the reference symbol table
-
- Complete_Symbols : Symbol_Table.Instance;
- -- The symbols, if any, found in the objects files
-
- procedure Initialize
- (Symbol_File : String;
- Reference : String;
- Symbol_Policy : Policy;
- Quiet : Boolean;
- Version : String;
- Success : out Boolean);
- -- Initialize a symbol file. This procedure must be called before
- -- Processing any object file. Depending on the platforms and the
- -- circumstances, additional messages may be issued if Quiet is False.
-
- package Processing is
-
- -- This package, containing a single visible procedure Process, exists
- -- so that it can be a subunits, for some platforms, the body of package
- -- Symbols is common, while the subunit Processing is not.
-
- procedure Process
- (Object_File : String;
- Success : out Boolean);
- -- Get the symbols from an object file. Success is set to True if the
- -- object file exists and has the expected format.
-
- end Processing;
-
- procedure Finalize
- (Quiet : Boolean;
- Success : out Boolean);
- -- Finalize the symbol file. This procedure should be called after
- -- Initialize (once) and Process (one or more times). If Success is
- -- True, the symbol file is written and closed, ready to be used for
- -- linking the library. Depending on the platforms and the circumstances,
- -- additional messages may be issued if Quiet is False.
-
-end Symbols;
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