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------------------------------------------------------------------------------
-- --
-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
-- --
-- S Y S T E M . T A S K I N G . S T A G E S . G E T _ S T A C K _ B A S E --
-- --
-- B o d y --
-- --
-- Copyright (C) 1992-2025, Free Software Foundation, Inc. --
-- --
-- GNARL 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/>. --
-- --
-- GNARL was developed by the GNARL team at Florida State University. --
-- Extensive contributions were provided by Ada Core Technologies, Inc. --
-- --
------------------------------------------------------------------------------
with Interfaces.CHERI;
-- This is the version for CHERI targets where we can derive the stack base
-- from the upper bound of the capability stack pointer (CSP).
separate (System.Tasking.Stages)
function Get_Stack_Base (Self_ID : Task_Id) return System.Address is
pragma Unreferenced (Self_ID);
use type SSE.Integer_Address;
CSP : constant System.Address := Interfaces.CHERI.Get_CSP;
begin
return Interfaces.CHERI.Capability_With_Address
(Cap => CSP,
Addr => Interfaces.CHERI.Get_Base (CSP) +
SSE.Integer_Address
(Interfaces.CHERI.Get_Length (CSP)));
end Get_Stack_Base;
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