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Diffstat (limited to 'gcc/ada/s-elaall.ads')
| -rw-r--r-- | gcc/ada/s-elaall.ads | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/gcc/ada/s-elaall.ads b/gcc/ada/s-elaall.ads new file mode 100644 index 00000000000..f1cf62002da --- /dev/null +++ b/gcc/ada/s-elaall.ads @@ -0,0 +1,57 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUN-TIME COMPONENTS -- +-- -- +-- S Y S T E M . E L A B O R A T I O N _ A L L O C A T O R S -- +-- -- +-- S p e c -- +-- -- +-- Copyright (C) 2014, 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 provides the interfaces for proper handling of restriction +-- No_Standard_Allocators_After_Elaboration. It is used only by programs +-- which use this restriction. + +package System.Elaboration_Allocators is + pragma Preelaborate; + + procedure Mark_Start_Of_Elaboration; + -- Called right at the start of main elaboration if the program activates + -- restriction No_Standard_Allocators_After_Elaboration. We don't want to + -- rely on the normal elaboration mechanism for marking this event, since + -- that would require us to be sure to elaborate this first, which would + -- be awkward, and it is convenient to have this package be Preelaborate. + + procedure Mark_End_Of_Elaboration; + -- Called when main elaboration is complete if the program has activated + -- restriction No_Standard_Allocators_After_Elaboration. This is the point + -- beyond which any standard allocator use will violate the restriction. + + procedure Check_Standard_Allocator; + -- Called as part of every allocator in a program for which the restriction + -- No_Standard_Allocators_After_Elaboration is active. This will raise an + -- exception (Program_Error with an appropriate message) if it is called + -- after the call to Mark_End_Of_Elaboration. + +end System.Elaboration_Allocators; |