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--  GHDL Run Time (GRT) -  misc subprograms.
--  Copyright (C) 2002 - 2016 Tristan Gingold
--
--  GHDL is free software; you can redistribute it and/or modify it under
--  the terms of the GNU General Public License as published by the Free
--  Software Foundation; either version 2, or (at your option) any later
--  version.
--
--  GHDL is distributed in the hope that it will be useful, but WITHOUT ANY
--  WARRANTY; without even the implied warranty of MERCHANTABILITY or
--  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
--  for more details.
--
--  You should have received a copy of the GNU General Public License
--  along with GCC; see the file COPYING.  If not, write to the Free
--  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
--  02111-1307, USA.
--
--  As a special exception, if other files instantiate generics from this
--  unit, or you link this unit with other files to produce an executable,
--  this unit does not by itself cause the resulting executable to be
--  covered by the GNU General Public License. This exception does not
--  however invalidate any other reasons why the executable file might be
--  covered by the GNU Public License.
with Grt.Types; use Grt.Types;

package Grt.Lib is
   pragma Preelaborate (Grt.Lib);

   procedure Ghdl_Memcpy
     (Dest : Ghdl_Ptr; Src : Ghdl_Ptr; Size : Ghdl_Index_Type);

   procedure Ghdl_Assert_Failed
     (Str : Std_String_Ptr; Severity : Integer; Loc : Ghdl_Location_Ptr);
   procedure Ghdl_Ieee_Assert_Failed
     (Str : Std_String_Ptr; Severity : Integer; Loc : Ghdl_Location_Ptr);

   procedure Ghdl_Psl_Assert_Failed
     (Str : Std_String_Ptr;
      Severity : Integer;
      Loc : Ghdl_Location_Ptr);

   --  Called when a sequence is covered (in a cover directive)
   procedure Ghdl_Psl_Cover
     (Str : Std_String_Ptr; Severity : Integer; Loc : Ghdl_Location_Ptr);

   procedure Ghdl_Psl_Cover_Failed
     (Str : Std_String_Ptr; Severity : Integer; Loc : Ghdl_Location_Ptr);

   procedure Ghdl_Report
     (Str : Std_String_Ptr; Severity : Integer; Loc : Ghdl_Location_Ptr);

   Note_Severity    : constant Integer := 0;
   Warning_Severity : constant Integer := 1;
   Error_Severity   : constant Integer := 2;
   Failure_Severity : constant Integer := 3;

   procedure Ghdl_Bound_Check_Failed_L1 (Filename : Ghdl_C_String;
                                         Line: Ghdl_I32);

   --  Program error has occured:
   --  * configuration of an already configured block.
   procedure Ghdl_Program_Error (Filename : Ghdl_C_String;
                                 Line : Ghdl_I32;
                                 Code : Ghdl_Index_Type);

   function Ghdl_Integer_Exp (V : Ghdl_I32; E : Ghdl_I32)
     return Ghdl_I32;

   function Ghdl_Malloc (Size : Ghdl_Index_Type) return Ghdl_Ptr;

   --  Allocate and clear SIZE bytes.
   function Ghdl_Malloc0 (Size : Ghdl_Index_Type) return Ghdl_Ptr;

   procedure Ghdl_Deallocate (Ptr : Ghdl_Ptr);

   function Ghdl_Real_Exp (X : Ghdl_Real; Exp : Ghdl_I32)
     return Ghdl_Real;

   type Ghdl_Std_Ulogic_Boolean_Array_Type is array (Ghdl_E8 range 0 .. 8)
     of Ghdl_B1;

   Ghdl_Std_Ulogic_To_Boolean_Array :
     constant Ghdl_Std_Ulogic_Boolean_Array_Type := (False, --  U
                                                     False, --  X
                                                     False, --  0
                                                     True,  --  1
                                                     False, --  Z
                                                     False, --  W
                                                     False, --  L
                                                     True,  --  H
                                                     False  --  -
                                                    );

   function Ghdl_Get_Resolution_Limit return Std_Time;

   procedure Ghdl_Control_Simulation
     (Stop : Ghdl_B1; Has_Status : Ghdl_B1; Status : Std_Integer);
private
   pragma Export (C, Ghdl_Memcpy, "__ghdl_memcpy");

   pragma Export (C, Ghdl_Assert_Failed, "__ghdl_assert_failed");
   pragma Export (C, Ghdl_Ieee_Assert_Failed, "__ghdl_ieee_assert_failed");
   pragma Export (C, Ghdl_Psl_Assert_Failed, "__ghdl_psl_assert_failed");
   pragma Export (C, Ghdl_Psl_Cover, "__ghdl_psl_cover");
   pragma Export (C, Ghdl_Psl_Cover_Failed, "__ghdl_psl_cover_failed");
   pragma Export (C, Ghdl_Report, "__ghdl_report");

   pragma Export (C, Ghdl_Bound_Check_Failed_L1,
                  "__ghdl_bound_check_failed_l1");
   pragma Export (C, Ghdl_Program_Error, "__ghdl_program_error");

   pragma Export (C, Ghdl_Malloc, "__ghdl_malloc");
   pragma Export (C, Ghdl_Malloc0, "__ghdl_malloc0");
   pragma Export (C, Ghdl_Deallocate, "__ghdl_deallocate");

   pragma Export (C, Ghdl_Integer_Exp, "__ghdl_integer_exp");
   pragma Export (C, Ghdl_Real_Exp, "__ghdl_real_exp");

   pragma Export (C, Ghdl_Std_Ulogic_To_Boolean_Array,
                  "__ghdl_std_ulogic_to_boolean_array");

   pragma Export (C, Ghdl_Get_Resolution_Limit,
                  "std__env__get_resolution_limit");
   pragma Export (Ada, Ghdl_Control_Simulation,
                  "std__env__control_simulation");
end Grt.Lib;