1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
5 -- S Y S T E M . S O F T _ L I N K S --
9 -- Copyright (C) 1992-2019, Free Software Foundation, Inc. --
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. --
18 -- As a special exception under Section 7 of GPL version 3, you are granted --
19 -- additional permissions described in the GCC Runtime Library Exception, --
20 -- version 3.1, as published by the Free Software Foundation. --
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/>. --
27 -- GNAT was originally developed by the GNAT team at New York University. --
28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
30 ------------------------------------------------------------------------------
32 pragma Compiler_Unit_Warning;
35 -- We must turn polling off for this unit, because otherwise we get an
36 -- infinite loop from the code within the Poll routine itself.
38 pragma Warnings (Off);
39 -- Disable warnings as System.Soft_Links.Initialize is not Preelaborate. It is
40 -- safe to with this unit as its elaboration routine will only be initializing
41 -- NT_TSD, which is part of this package spec.
42 with System.Soft_Links.Initialize;
45 package body System.Soft_Links is
47 Stack_Limit : aliased System.Address := System.Null_Address;
48 pragma Export (C, Stack_Limit, "__gnat_stack_limit");
49 -- Needed for Vx6Cert (Vx653mc) GOS cert and ravenscar-cert runtimes,
50 -- VxMILS cert, ravenscar-cert and full runtimes, Vx 5 default runtime
56 procedure Abort_Defer_NT is
61 ----------------------
62 -- Abort_Handler_NT --
63 ----------------------
65 procedure Abort_Handler_NT is
70 ----------------------
71 -- Abort_Undefer_NT --
72 ----------------------
74 procedure Abort_Undefer_NT is
83 procedure Adafinal_NT is
85 -- Handle normal task termination by the environment task, but only
86 -- for the normal task termination. In the case of Abnormal and
87 -- Unhandled_Exception they must have been handled before, and the
88 -- task termination soft link must have been changed so the task
89 -- termination routine is not executed twice.
91 Task_Termination_Handler.all (Ada.Exceptions.Null_Occurrence);
93 -- Finalize all library-level controlled objects if needed
95 if Finalize_Library_Objects /= null then
96 Finalize_Library_Objects.all;
100 ---------------------------
101 -- Check_Abort_Status_NT --
102 ---------------------------
104 function Check_Abort_Status_NT return Integer is
106 return Boolean'Pos (False);
107 end Check_Abort_Status_NT;
109 ------------------------
110 -- Complete_Master_NT --
111 ------------------------
113 procedure Complete_Master_NT is
116 end Complete_Master_NT;
123 (New_TSD : in out TSD;
124 Sec_Stack : SST.SS_Stack_Ptr;
125 Sec_Stack_Size : System.Parameters.Size_Type)
128 New_TSD.Jmpbuf_Address := Null_Address;
130 New_TSD.Sec_Stack_Ptr := Sec_Stack;
131 SST.SS_Init (New_TSD.Sec_Stack_Ptr, Sec_Stack_Size);
134 -----------------------
135 -- Current_Master_NT --
136 -----------------------
138 function Current_Master_NT return Integer is
141 end Current_Master_NT;
147 procedure Destroy_TSD (Old_TSD : in out TSD) is
149 SST.SS_Free (Old_TSD.Sec_Stack_Ptr);
152 ---------------------
153 -- Enter_Master_NT --
154 ---------------------
156 procedure Enter_Master_NT is
161 --------------------------
162 -- Get_Current_Excep_NT --
163 --------------------------
165 function Get_Current_Excep_NT return EOA is
167 return NT_TSD.Current_Excep'Access;
168 end Get_Current_Excep_NT;
170 ------------------------
171 -- Get_GNAT_Exception --
172 ------------------------
174 function Get_GNAT_Exception return Ada.Exceptions.Exception_Id is
176 return Ada.Exceptions.Exception_Identity (Get_Current_Excep.all.all);
177 end Get_GNAT_Exception;
179 ---------------------------
180 -- Get_Jmpbuf_Address_NT --
181 ---------------------------
183 function Get_Jmpbuf_Address_NT return Address is
185 return NT_TSD.Jmpbuf_Address;
186 end Get_Jmpbuf_Address_NT;
188 -----------------------------
189 -- Get_Jmpbuf_Address_Soft --
190 -----------------------------
192 function Get_Jmpbuf_Address_Soft return Address is
194 return Get_Jmpbuf_Address.all;
195 end Get_Jmpbuf_Address_Soft;
197 ----------------------
198 -- Get_Sec_Stack_NT --
199 ----------------------
201 function Get_Sec_Stack_NT return SST.SS_Stack_Ptr is
203 return NT_TSD.Sec_Stack_Ptr;
204 end Get_Sec_Stack_NT;
206 -----------------------------
207 -- Get_Sec_Stack_Soft --
208 -----------------------------
210 function Get_Sec_Stack_Soft return SST.SS_Stack_Ptr is
212 return Get_Sec_Stack.all;
213 end Get_Sec_Stack_Soft;
215 -----------------------
216 -- Get_Stack_Info_NT --
217 -----------------------
219 function Get_Stack_Info_NT return Stack_Checking.Stack_Access is
221 return NT_TSD.Pri_Stack_Info'Access;
222 end Get_Stack_Info_NT;
224 -----------------------------
225 -- Save_Library_Occurrence --
226 -----------------------------
228 procedure Save_Library_Occurrence (E : EOA) is
231 if not Library_Exception_Set then
232 Library_Exception_Set := True;
234 Ada.Exceptions.Save_Occurrence (Library_Exception, E.all);
237 end Save_Library_Occurrence;
239 ---------------------------
240 -- Set_Jmpbuf_Address_NT --
241 ---------------------------
243 procedure Set_Jmpbuf_Address_NT (Addr : Address) is
245 NT_TSD.Jmpbuf_Address := Addr;
246 end Set_Jmpbuf_Address_NT;
248 procedure Set_Jmpbuf_Address_Soft (Addr : Address) is
250 Set_Jmpbuf_Address (Addr);
251 end Set_Jmpbuf_Address_Soft;
253 ----------------------
254 -- Set_Sec_Stack_NT --
255 ----------------------
257 procedure Set_Sec_Stack_NT (Stack : SST.SS_Stack_Ptr) is
259 NT_TSD.Sec_Stack_Ptr := Stack;
260 end Set_Sec_Stack_NT;
262 ------------------------
263 -- Set_Sec_Stack_Soft --
264 ------------------------
266 procedure Set_Sec_Stack_Soft (Stack : SST.SS_Stack_Ptr) is
268 Set_Sec_Stack (Stack);
269 end Set_Sec_Stack_Soft;
275 procedure Task_Lock_NT is
284 function Task_Name_NT return String is
289 -------------------------
290 -- Task_Termination_NT --
291 -------------------------
293 procedure Task_Termination_NT (Excep : EO) is
294 pragma Unreferenced (Excep);
297 end Task_Termination_NT;
303 procedure Task_Unlock_NT is
307 end System.Soft_Links;