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|
-- GHDL Run Time (GRT) - Run Time Informations.
-- Copyright (C) 2002, 2003, 2004, 2005 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.
with System; use System;
with Grt.Types; use Grt.Types;
with Ada.Unchecked_Conversion;
package Grt.Rtis is
pragma Preelaborate (Grt.Rtis);
type Ghdl_Rtik is
(Ghdl_Rtik_Top,
Ghdl_Rtik_Library,
Ghdl_Rtik_Package,
Ghdl_Rtik_Package_Body,
Ghdl_Rtik_Entity,
Ghdl_Rtik_Architecture,
Ghdl_Rtik_Process,
Ghdl_Rtik_Block,
Ghdl_Rtik_If_Generate,
Ghdl_Rtik_For_Generate,
Ghdl_Rtik_Instance, --10
Ghdl_Rtik_Constant,
Ghdl_Rtik_Iterator,
Ghdl_Rtik_Variable,
Ghdl_Rtik_Signal,
Ghdl_Rtik_File, -- 15
Ghdl_Rtik_Port,
Ghdl_Rtik_Generic,
Ghdl_Rtik_Alias,
Ghdl_Rtik_Guard,
Ghdl_Rtik_Component, -- 20
Ghdl_Rtik_Attribute,
Ghdl_Rtik_Type_B2, -- Enum
Ghdl_Rtik_Type_E8,
Ghdl_Rtik_Type_E32,
Ghdl_Rtik_Type_I32, -- 25 Scalar
Ghdl_Rtik_Type_I64,
Ghdl_Rtik_Type_F64,
Ghdl_Rtik_Type_P32,
Ghdl_Rtik_Type_P64,
Ghdl_Rtik_Type_Access,
Ghdl_Rtik_Type_Array,
Ghdl_Rtik_Type_Record,
Ghdl_Rtik_Type_File,
Ghdl_Rtik_Subtype_Scalar,
Ghdl_Rtik_Subtype_Array,
Ghdl_Rtik_Subtype_Array_Ptr,
Ghdl_Rtik_Subtype_Unconstrained_Array,
Ghdl_Rtik_Subtype_Record,
Ghdl_Rtik_Subtype_Access,
Ghdl_Rtik_Type_Protected,
Ghdl_Rtik_Element,
Ghdl_Rtik_Unit,
Ghdl_Rtik_Attribute_Transaction,
Ghdl_Rtik_Attribute_Quiet,
Ghdl_Rtik_Attribute_Stable,
Ghdl_Rtik_Error);
for Ghdl_Rtik'Size use 8;
type Ghdl_Rti_Depth is range 0 .. 255;
for Ghdl_Rti_Depth'Size use 8;
type Ghdl_Rti_U8 is mod 2 ** 8;
for Ghdl_Rti_U8'Size use 8;
type Ghdl_Rti_Common is record
Kind : Ghdl_Rtik;
Depth : Ghdl_Rti_Depth;
Mode : Ghdl_Rti_U8;
Max_Depth : Ghdl_Rti_Depth;
end record;
type Ghdl_Rti_Access is access all Ghdl_Rti_Common;
-- Fat array of rti accesses.
type Ghdl_Rti_Array is array (Ghdl_Index_Type) of Ghdl_Rti_Access;
type Ghdl_Rti_Arr_Acc is access Ghdl_Rti_Array;
type Ghdl_Rti_Loc (Rel : Boolean := False) is record
case Rel is
when True =>
Off : Ghdl_Index_Type;
when False =>
Addr : Address;
end case;
end record;
pragma Unchecked_Union (Ghdl_Rti_Loc);
type Ghdl_C_String_Array is array (Ghdl_Index_Type) of Ghdl_C_String;
type Ghdl_C_String_Array_Ptr is access Ghdl_C_String_Array;
type Ghdl_Rtin_Block is record
Common : Ghdl_Rti_Common;
Name : Ghdl_C_String;
Loc : Ghdl_Rti_Loc;
Parent : Ghdl_Rti_Access;
Size : Ghdl_Index_Type;
Nbr_Child : Ghdl_Index_Type;
Children : Ghdl_Rti_Arr_Acc;
end record;
type Ghdl_Rtin_Block_Acc is access Ghdl_Rtin_Block;
function To_Ghdl_Rtin_Block_Acc is new Ada.Unchecked_Conversion
(Source => Ghdl_Rti_Access, Target => Ghdl_Rtin_Block_Acc);
function To_Ghdl_Rti_Access is new Ada.Unchecked_Conversion
(Source => Ghdl_Rtin_Block_Acc, Target => Ghdl_Rti_Access);
type Ghdl_Rtin_Object is record
Common : Ghdl_Rti_Common;
Name : Ghdl_C_String;
Loc : Ghdl_Rti_Loc;
Obj_Type : Ghdl_Rti_Access;
end record;
type Ghdl_Rtin_Object_Acc is access Ghdl_Rtin_Object;
function To_Ghdl_Rtin_Object_Acc is new Ada.Unchecked_Conversion
(Source => Ghdl_Rti_Access, Target => Ghdl_Rtin_Object_Acc);
function To_Ghdl_Rti_Access is new Ada.Unchecked_Conversion
(Source => Ghdl_Rtin_Object_Acc, Target => Ghdl_Rti_Access);
type Ghdl_Rtin_Instance is record
Common : Ghdl_Rti_Common;
Name : Ghdl_C_String;
Loc : Ghdl_Rti_Loc;
Parent : Ghdl_Rti_Access;
Instance : Ghdl_Rti_Access;
end record;
type Ghdl_Rtin_Instance_Acc is access Ghdl_Rtin_Instance;
function To_Ghdl_Rtin_Instance_Acc is new Ada.Unchecked_Conversion
(Source => Ghdl_Rti_Access, Target => Ghdl_Rtin_Instance_Acc);
-- Must be kept in sync with grt.types.mode_signal_type.
Ghdl_Rti_Signal_Mode_Mask : constant Ghdl_Rti_U8 := 15;
Ghdl_Rti_Signal_Mode_None : constant Ghdl_Rti_U8 := 0;
Ghdl_Rti_Signal_Mode_Linkage : constant Ghdl_Rti_U8 := 1;
Ghdl_Rti_Signal_Mode_Buffer : constant Ghdl_Rti_U8 := 2;
Ghdl_Rti_Signal_Mode_Out : constant Ghdl_Rti_U8 := 3;
Ghdl_Rti_Signal_Mode_Inout : constant Ghdl_Rti_U8 := 4;
Ghdl_Rti_Signal_Mode_In : constant Ghdl_Rti_U8 := 5;
Ghdl_Rti_Signal_Kind_Mask : constant Ghdl_Rti_U8 := 48;
Ghdl_Rti_Signal_Kind_No : constant Ghdl_Rti_U8 := 0;
Ghdl_Rti_Signal_Kind_Register : constant Ghdl_Rti_U8 := 16;
Ghdl_Rti_Signal_Kind_Bus : constant Ghdl_Rti_U8 := 32;
Ghdl_Rti_Signal_Has_Active : constant Ghdl_Rti_U8 := 64;
type Ghdl_Rtin_Component is record
Common : Ghdl_Rti_Common;
Name : Ghdl_C_String;
Nbr_Child : Ghdl_Index_Type;
Children : Ghdl_Rti_Arr_Acc;
end record;
type Ghdl_Rtin_Component_Acc is access Ghdl_Rtin_Component;
function To_Ghdl_Rtin_Component_Acc is new Ada.Unchecked_Conversion
(Source => Ghdl_Rti_Access, Target => Ghdl_Rtin_Component_Acc);
type Ghdl_Rtin_Type_Enum is record
Common : Ghdl_Rti_Common;
Name : Ghdl_C_String;
Nbr : Ghdl_Index_Type;
Names : Ghdl_C_String_Array_Ptr;
end record;
type Ghdl_Rtin_Type_Enum_Acc is access Ghdl_Rtin_Type_Enum;
function To_Ghdl_Rtin_Type_Enum_Acc is new Ada.Unchecked_Conversion
(Source => Ghdl_Rti_Access, Target => Ghdl_Rtin_Type_Enum_Acc);
type Ghdl_Rtin_Type_Scalar is record
Common : Ghdl_Rti_Common;
Name : Ghdl_C_String;
end record;
type Ghdl_Rtin_Type_Scalar_Acc is access Ghdl_Rtin_Type_Scalar;
function To_Ghdl_Rtin_Type_Scalar_Acc is new Ada.Unchecked_Conversion
(Source => Ghdl_Rti_Access, Target => Ghdl_Rtin_Type_Scalar_Acc);
type Ghdl_Rtin_Subtype_Scalar is record
Common : Ghdl_Rti_Common;
Name : Ghdl_C_String;
Basetype : Ghdl_Rti_Access;
Range_Loc : Ghdl_Rti_Loc;
end record;
type Ghdl_Rtin_Subtype_Scalar_Acc is access Ghdl_Rtin_Subtype_Scalar;
function To_Ghdl_Rtin_Subtype_Scalar_Acc is new Ada.Unchecked_Conversion
(Source => Ghdl_Rti_Access, Target => Ghdl_Rtin_Subtype_Scalar_Acc);
function To_Ghdl_Rti_Access is new Ada.Unchecked_Conversion
(Source => Ghdl_Rtin_Subtype_Scalar_Acc, Target => Ghdl_Rti_Access);
-- True if the type is complex.
Ghdl_Rti_Type_Complex_Mask : constant Ghdl_Rti_U8 := 1;
Ghdl_Rti_Type_Complex : constant Ghdl_Rti_U8 := 1;
type Ghdl_Rtin_Type_Array is record
Common : Ghdl_Rti_Common;
Name : Ghdl_C_String;
Element : Ghdl_Rti_Access;
Nbr_Dim : Ghdl_Index_Type;
Indexes : Ghdl_Rti_Arr_Acc;
end record;
type Ghdl_Rtin_Type_Array_Acc is access Ghdl_Rtin_Type_Array;
function To_Ghdl_Rtin_Type_Array_Acc is new Ada.Unchecked_Conversion
(Source => Ghdl_Rti_Access, Target => Ghdl_Rtin_Type_Array_Acc);
function To_Ghdl_Rti_Access is new Ada.Unchecked_Conversion
(Source => Ghdl_Rtin_Type_Array_Acc, Target => Ghdl_Rti_Access);
type Ghdl_Rtin_Subtype_Array is record
Common : Ghdl_Rti_Common;
Name : Ghdl_C_String;
Basetype : Ghdl_Rtin_Type_Array_Acc;
Bounds : Ghdl_Rti_Loc;
Valsize : Ghdl_Rti_Loc;
Sigsize : Ghdl_Rti_Loc;
end record;
type Ghdl_Rtin_Subtype_Array_Acc is access Ghdl_Rtin_Subtype_Array;
function To_Ghdl_Rtin_Subtype_Array_Acc is new Ada.Unchecked_Conversion
(Source => Ghdl_Rti_Access, Target => Ghdl_Rtin_Subtype_Array_Acc);
function To_Ghdl_Rti_Access is new Ada.Unchecked_Conversion
(Source => Ghdl_Rtin_Subtype_Array_Acc, Target => Ghdl_Rti_Access);
type Ghdl_Rtin_Type_Fileacc is record
Common : Ghdl_Rti_Common;
Name : Ghdl_C_String;
Base : Ghdl_Rti_Access;
end record;
type Ghdl_Rtin_Type_Fileacc_Acc is access Ghdl_Rtin_Type_Fileacc;
function To_Ghdl_Rtin_Type_Fileacc_Acc is new Ada.Unchecked_Conversion
(Source => Ghdl_Rti_Access, Target => Ghdl_Rtin_Type_Fileacc_Acc);
type Ghdl_Rtin_Element is record
Common : Ghdl_Rti_Common;
Name : Ghdl_C_String;
Eltype : Ghdl_Rti_Access;
Val_Off : Ghdl_Index_Type;
Sig_Off : Ghdl_Index_Type;
end record;
type Ghdl_Rtin_Element_Acc is access Ghdl_Rtin_Element;
function To_Ghdl_Rtin_Element_Acc is new Ada.Unchecked_Conversion
(Source => Ghdl_Rti_Access, Target => Ghdl_Rtin_Element_Acc);
type Ghdl_Rtin_Type_Record is record
Common : Ghdl_Rti_Common;
Name : Ghdl_C_String;
Nbrel : Ghdl_Index_Type;
Elements : Ghdl_Rti_Arr_Acc;
end record;
type Ghdl_Rtin_Type_Record_Acc is access Ghdl_Rtin_Type_Record;
function To_Ghdl_Rtin_Type_Record_Acc is new Ada.Unchecked_Conversion
(Source => Ghdl_Rti_Access, Target => Ghdl_Rtin_Type_Record_Acc);
-- MODE is never used. Refer to mode field of physical type.
type Ghdl_Rti_Unit_Mode is (Unit_Mode_32, Unit_Mode_64, Unit_Mode_Addr);
type Ghdl_Rti_Unit_Val (Mode : Ghdl_Rti_Unit_Mode := Unit_Mode_64) is record
case Mode is
when Unit_Mode_32 =>
Unit_32 : Ghdl_I32;
when Unit_Mode_64 =>
Unit_64 : Ghdl_I64;
when Unit_Mode_Addr =>
Unit_Addr : Ghdl_Value_Ptr;
end case;
end record;
pragma Unchecked_Union (Ghdl_Rti_Unit_Val);
type Ghdl_Rtin_Unit is record
Common : Ghdl_Rti_Common;
Name : Ghdl_C_String;
Value : Ghdl_Rti_Unit_Val;
end record;
type Ghdl_Rtin_Unit_Acc is access Ghdl_Rtin_Unit;
function To_Ghdl_Rtin_Unit_Acc is new Ada.Unchecked_Conversion
(Source => Ghdl_Rti_Access, Target => Ghdl_Rtin_Unit_Acc);
-- Mode field is set to 1 if units value is per address. Otherwise,
-- mode is 0.
type Ghdl_Rtin_Type_Physical is record
Common : Ghdl_Rti_Common;
Name : Ghdl_C_String;
Nbr : Ghdl_Index_Type;
Units : Ghdl_Rti_Arr_Acc;
end record;
type Ghdl_Rtin_Type_Physical_Acc is access Ghdl_Rtin_Type_Physical;
function To_Ghdl_Rtin_Type_Physical_Acc is new Ada.Unchecked_Conversion
(Source => Ghdl_Rti_Access, Target => Ghdl_Rtin_Type_Physical_Acc);
-- Instance linkage.
-- At the beginning of a component structure (or the object for a direct
-- instantiation), there is a Ghdl_Component_Link_Type record.
-- These record contains a pointer to the instance (down link),
-- and RTIS to the statement and its parent (up link).
type Ghdl_Component_Link_Type;
type Ghdl_Component_Link_Acc is access Ghdl_Component_Link_Type;
-- At the beginning of an entity structure, there is a Ghdl_Link_Type,
-- which contains the RTI for the architecture (down-link) and a pointer
-- to the instantiation object (up-link).
type Ghdl_Entity_Link_Type is record
Rti : Ghdl_Rti_Access;
Parent : Ghdl_Component_Link_Acc;
end record;
type Ghdl_Entity_Link_Acc is access Ghdl_Entity_Link_Type;
function To_Ghdl_Entity_Link_Acc is new Ada.Unchecked_Conversion
(Source => Address, Target => Ghdl_Entity_Link_Acc);
type Ghdl_Component_Link_Type is record
Instance : Ghdl_Entity_Link_Acc;
Stmt : Ghdl_Rti_Access;
end record;
function To_Ghdl_Component_Link_Acc is new Ada.Unchecked_Conversion
(Source => Address, Target => Ghdl_Component_Link_Acc);
-- TOP rti.
Ghdl_Rti_Top_Ptr : Ghdl_Rtin_Block_Acc;
-- Address of the top instance.
Ghdl_Rti_Top_Instance : Ghdl_Rti_Access;
-- Instances have a pointer to their RTI at offset 0.
type Ghdl_Rti_Acc_Acc is access Ghdl_Rti_Access;
function To_Ghdl_Rti_Acc_Acc is new Ada.Unchecked_Conversion
(Source => Address, Target => Ghdl_Rti_Acc_Acc);
function To_Address is new Ada.Unchecked_Conversion
(Source => Ghdl_Rti_Access, Target => Address);
function To_Ghdl_Rti_Access is new Ada.Unchecked_Conversion
(Source => Address, Target => Ghdl_Rti_Access);
private
pragma Export (C, Ghdl_Rti_Top_Ptr, "__ghdl_rti_top_ptr");
pragma Export (C, Ghdl_Rti_Top_Instance, "__ghdl_rti_top_instance");
end Grt.Rtis;
|
