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Diffstat (limited to 'gcc/ada/libgnat/s-soliin.ads')
| -rw-r--r-- | gcc/ada/libgnat/s-soliin.ads | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/gcc/ada/libgnat/s-soliin.ads b/gcc/ada/libgnat/s-soliin.ads new file mode 100644 index 00000000000..ba9cf745f48 --- /dev/null +++ b/gcc/ada/libgnat/s-soliin.ads @@ -0,0 +1,48 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT COMPILER COMPONENTS -- +-- -- +-- S Y S T E M . S O F T _ L I N K S . I N I T I A L I Z E -- +-- -- +-- S p e c -- +-- -- +-- Copyright (C) 2017, 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. -- +-- -- +-- As a special exception under Section 7 of GPL version 3, you are granted -- +-- additional permissions described in the GCC Runtime Library Exception, -- +-- version 3.1, as published by the Free Software Foundation. -- +-- -- +-- You should have received a copy of the GNU General Public License and -- +-- a copy of the GCC Runtime Library Exception along with this program; -- +-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- +-- <http://www.gnu.org/licenses/>. -- +-- -- +-- GNAT was originally developed by the GNAT team at New York University. -- +-- Extensive contributions were provided by Ada Core Technologies Inc. -- +-- -- +------------------------------------------------------------------------------ + +-- This package exists to initialize the TSD record of the main task and in +-- the process, allocate and initialize the secondary stack for the main task. +-- The initialization routine is contained within its own package because +-- System.Soft_Links and System.Secondary_Stack are both Preelaborate packages +-- that are the parents to other Preelaborate System packages. + +-- Ideally, the secondary stack would be set up via __gnat_runtime_initialize +-- to have the secondary stack active as early as possible and to remove the +-- awkwardness of System.Soft_Links depending on a non-Preelaborate package. +-- However, as this procedure only exists from 2014, for bootstrapping +-- purposes the elaboration mechanism is used instead to perform these +-- functions. + +package System.Soft_Links.Initialize is + pragma Elaborate_Body; + -- Allow this package to have a body +end System.Soft_Links.Initialize; |