File : g-secsta-minimal.ads
1 ------------------------------------------------------------------------------
2 -- --
3 -- GNAT RUN-TIME COMPONENTS --
4 -- --
5 -- G N A T . S E C O N D A R Y _ S T A C K --
6 -- --
7 -- S p e c --
8 -- --
9 -- Copyright (C) 2013, AdaCore --
10 -- --
11 -- GNAT is free software; you can redistribute it and/or modify it under --
12 -- terms of the GNU General Public License as published by the Free Soft- --
13 -- ware Foundation; either version 3, or (at your option) any later ver- --
14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
16 -- or FITNESS FOR A PARTICULAR PURPOSE. --
17 -- --
18 -- --
19 -- --
20 -- --
21 -- --
22 -- You should have received a copy of the GNU General Public License and --
23 -- a copy of the GCC Runtime Library Exception along with this program; --
24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
25 -- <http://www.gnu.org/licenses/>. --
26 -- --
27 -- GNAT was originally developed by the GNAT team at New York University. --
28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
29 -- --
30 ------------------------------------------------------------------------------
31
32 -- This package provides facilities for modifying the secondary stack pointer.
33
34 with System; use System;
35 with System.Secondary_Stack;
36 with System.Tasking;
37
38 package GNAT.Secondary_Stack is
39 function Get_Sec_Stack return Address
40 renames System.Tasking.Get_Sec_Stack;
41 -- Return the address of the task specific secondary stack, as expected by
42 -- System.Secondary_Stack.
43
44 procedure Set_Sec_Stack (Stk : Address)
45 renames System.Tasking.Set_Sec_Stack;
46 -- Set the secondary stack pointer for the current task
47
48 procedure SS_Init (Stack : System.Address; Size : Natural)
49 renames System.Secondary_Stack.SS_Init;
50 -- Initialize secondary stack Stack. Must be called once before using it.
51 -- The value Size is the size of the stack in bytes. The minimal size
52 -- is 16 bytes, and the stack must be aligned at least on
53 -- Standard'Maximum_Alignment.
54 end GNAT.Secondary_Stack;