| ------------------------------------------------------------------------------ |
| -- -- |
| -- 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) 1992-2026, 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; |
