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-- GHDL Run Time (GRT) - Run Time Informations.
-- Copyright (C) 2002 - 2014 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 System; use System;
with Grt.Types; use Grt.Types;
with Ada.Unchecked_Conversion;
package Grt.Rtis is
pragma Preelaborate (Grt.Rtis);
-- To keep in sync with:
-- * trans-rtis.ads
-- * grt.disp_rti.Disp_Kind
type Ghdl_Rtik is
(Ghdl_Rtik_Top,
Ghdl_Rtik_Library, -- use scalar
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_Case_Generate,
Ghdl_Rtik_For_Generate, -- 10
Ghdl_Rtik_Generate_Body,
Ghdl_Rtik_Instance,
Ghdl_Rtik_Constant,
Ghdl_Rtik_Iterator,
Ghdl_Rtik_Variable,
Ghdl_Rtik_Signal,
Ghdl_Rtik_File,
Ghdl_Rtik_Port,
Ghdl_Rtik_Generic,
Ghdl_Rtik_Alias, -- 20
Ghdl_Rtik_Guard,
Ghdl_Rtik_Component,
Ghdl_Rtik_Attribute,
Ghdl_Rtik_Type_B1, -- Rtin_Type_Enum
Ghdl_Rtik_Type_E8, -- Rtin_Type_Enum
Ghdl_Rtik_Type_E32,
Ghdl_Rtik_Type_I32, -- Rtin_Type_Scalar
Ghdl_Rtik_Type_I64, -- Rtin_Type_Scalar
Ghdl_Rtik_Type_F64, -- Rtin_Type_Scalar
Ghdl_Rtik_Type_P32, -- 30 -- Rtin_Type_Physical
Ghdl_Rtik_Type_P64, -- Rtin_Type_Physical
Ghdl_Rtik_Type_Access, -- Rtin_Type_Fileacc
Ghdl_Rtik_Type_Array, -- Rtin_Type_Array
Ghdl_Rtik_Type_Record, -- Rtin_Type_Record
Ghdl_Rtik_Type_Unbounded_Record, -- Rtin_Type_Record
Ghdl_Rtik_Type_File, -- Rtin_Type_Fileacc
Ghdl_Rtik_Subtype_Scalar, -- Rtin_Subtype_Scalar
Ghdl_Rtik_Subtype_Array, -- Rtin_Subtype_Composite
Ghdl_Rtik_Subtype_Unconstrained_Array,
Ghdl_Rtik_Subtype_Record, -- 40 -- Rtin_Subtype_Composite
Ghdl_Rtik_Subtype_Unbounded_Record,
Ghdl_Rtik_Subtype_Access, -- Rtin_Type_Fileacc
Ghdl_Rtik_Type_Protected,
Ghdl_Rtik_Element,
Ghdl_Rtik_Unit64,
Ghdl_Rtik_Unitptr,
Ghdl_Rtik_Attribute_Transaction,
Ghdl_Rtik_Attribute_Quiet,
Ghdl_Rtik_Attribute_Stable,
Ghdl_Rtik_Psl_Assert,
Ghdl_Rtik_Psl_Cover,
Ghdl_Rtik_Psl_Endpoint,
Ghdl_Rtik_Error);
for Ghdl_Rtik'Size use 8;
subtype Ghdl_Rtiks_Psl is
Ghdl_Rtik range Ghdl_Rtik_Psl_Assert .. Ghdl_Rtik_Psl_Cover;
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;
-- This structure is common to all RTI nodes.
type Ghdl_Rti_Common is record
-- Kind of the RTI, list is above.
Kind : Ghdl_Rtik;
Depth : Ghdl_Rti_Depth;
-- * array types and subtypes, record types, protected types:
-- bit 0: set for complex type
-- bit 1: set for anonymous type definition
-- bit 2: set only for physical type with non-static units (time)
-- * record elements:
-- bit 0: set for complex type (copy of the type complex bit).
-- * signals:
-- bit 0-3: mode (1: linkage, 2: buffer, 3 : out, 4 : inout, 5: in)
-- bit 4-5: kind (0 : none, 1 : register, 2 : bus)
-- bit 6: set if has 'active attributes
Mode : Ghdl_Rti_U8;
-- * Types and subtypes definition:
-- maximum depth of all RTIs referenced.
-- * Others:
-- 0
Max_Depth : Ghdl_Rti_Depth;
end record;
pragma Convention (C, Ghdl_Rti_Common);
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;
subtype Ghdl_Rti_Loc is Integer_Address;
Null_Rti_Loc : constant Ghdl_Rti_Loc := 0;
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;
Linecol : Ghdl_Index_Type;
Parent : Ghdl_Rti_Access;
Nbr_Child : Ghdl_Index_Type;
Children : Ghdl_Rti_Arr_Acc;
end record;
pragma Convention (C, Ghdl_Rtin_Block);
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_Generate is record
Common : Ghdl_Rti_Common;
Name : Ghdl_C_String;
Loc : Ghdl_Rti_Loc;
Linecol : Ghdl_Index_Type;
Parent : Ghdl_Rti_Access;
-- Only for for_generate_statement.
Size : Ghdl_Index_Type;
Child : Ghdl_Rti_Access;
end record;
pragma Convention (C, Ghdl_Rtin_Generate);
type Ghdl_Rtin_Generate_Acc is access Ghdl_Rtin_Generate;
function To_Ghdl_Rtin_Generate_Acc is new Ada.Unchecked_Conversion
(Source => Ghdl_Rti_Access, Target => Ghdl_Rtin_Generate_Acc);
function To_Ghdl_Rti_Access is new Ada.Unchecked_Conversion
(Source => Ghdl_Rtin_Generate_Acc, Target => Ghdl_Rti_Access);
type Ghdl_Rtin_Block_Filename is record
Block : Ghdl_Rtin_Block;
Filename : Ghdl_C_String;
end record;
pragma Convention (C, Ghdl_Rtin_Block_Filename);
type Ghdl_Rtin_Block_Filename_Acc is access Ghdl_Rtin_Block_Filename;
function To_Ghdl_Rtin_Block_Filename_Acc is new Ada.Unchecked_Conversion
(Source => Ghdl_Rti_Access, Target => Ghdl_Rtin_Block_Filename_Acc);
type Ghdl_Rtin_Object is record
Common : Ghdl_Rti_Common;
Name : Ghdl_C_String;
-- Address of the object. For a signal, this is the address of the
-- signal, the value is just after the signal.
Loc : Ghdl_Rti_Loc;
-- Type of the object.
Obj_Type : Ghdl_Rti_Access;
-- Line and column of the declaration.
Linecol : Ghdl_Index_Type;
end record;
pragma Convention (C, Ghdl_Rtin_Object);
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;
Linecol : Ghdl_Index_Type;
Loc : Ghdl_Rti_Loc;
Parent : Ghdl_Rti_Access;
Instance : Ghdl_Rti_Access; -- Component or entity.
end record;
pragma Convention (C, Ghdl_Rtin_Instance);
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 := 3 * 16;
Ghdl_Rti_Signal_Kind_Offset : constant Ghdl_Rti_U8 := 1 * 16;
Ghdl_Rti_Signal_Kind_No : constant Ghdl_Rti_U8 := 0 * 16;
Ghdl_Rti_Signal_Kind_Register : constant Ghdl_Rti_U8 := 1 * 16;
Ghdl_Rti_Signal_Kind_Bus : constant Ghdl_Rti_U8 := 2 * 16;
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;
pragma Convention (C, Ghdl_Rtin_Component);
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;
-- Characters are represented as 'X', identifiers are represented as is,
-- extended identifiers are represented as is too.
Names : Ghdl_C_String_Array_Ptr;
end record;
pragma Convention (C, Ghdl_Rtin_Type_Enum);
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;
pragma Convention (C, Ghdl_Rtin_Type_Scalar);
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;
pragma Convention (C, Ghdl_Rtin_Subtype_Scalar);
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, set in Mode field.
Ghdl_Rti_Type_Complex_Mask : constant Ghdl_Rti_U8 := 1;
Ghdl_Rti_Type_Complex : constant Ghdl_Rti_U8 := 1;
-- True if the type is anonymous
Ghdl_Rti_Type_Anonymous_Mask : constant Ghdl_Rti_U8 := 2;
Ghdl_Rti_Type_Anonymous : constant Ghdl_Rti_U8 := 2;
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;
pragma Convention (C, Ghdl_Rtin_Type_Array);
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_Composite is record
Common : Ghdl_Rti_Common;
Name : Ghdl_C_String;
Basetype : Ghdl_Rti_Access;
Layout : Ghdl_Rti_Loc;
end record;
pragma Convention (C, Ghdl_Rtin_Subtype_Composite);
type Ghdl_Rtin_Subtype_Composite_Acc is access Ghdl_Rtin_Subtype_Composite;
function To_Ghdl_Rtin_Subtype_Composite_Acc is new Ada.Unchecked_Conversion
(Source => Ghdl_Rti_Access, Target => Ghdl_Rtin_Subtype_Composite_Acc);
function To_Ghdl_Rti_Access is new Ada.Unchecked_Conversion
(Source => Ghdl_Rtin_Subtype_Composite_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;
pragma Convention (C, Ghdl_Rtin_Type_Fileacc);
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);
-- Set in the mode field to know what Val_Off and Sig_Off are relative to.
-- This could also be extrated from the element type.
Ghdl_Rti_Element_Static : constant Ghdl_Rti_U8 := 0;
Ghdl_Rti_Element_Complex : constant Ghdl_Rti_U8 := 1;
Ghdl_Rti_Element_Unbounded : constant Ghdl_Rti_U8 := 2;
type Ghdl_Rtin_Element is record
Common : Ghdl_Rti_Common;
Name : Ghdl_C_String;
Eltype : Ghdl_Rti_Access;
-- For static element: offset in the record.
-- For complex element: offset in the type layout or object layout.
Val_Off : Ghdl_Index_Type;
Sig_Off : Ghdl_Index_Type;
-- For unbounded records: element layout offset in the layout.
Layout_Off : Ghdl_Index_Type;
end record;
pragma Convention (C, Ghdl_Rtin_Element);
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;
-- Layout variable for the record, if it is complex.
Layout : Ghdl_Rti_Loc;
end record;
pragma Convention (C, Ghdl_Rtin_Type_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);
type Ghdl_Rtin_Unit64 is record
Common : Ghdl_Rti_Common;
Name : Ghdl_C_String;
Value : Ghdl_I64;
end record;
pragma Convention (C, Ghdl_Rtin_Unit64);
type Ghdl_Rtin_Unit64_Acc is access Ghdl_Rtin_Unit64;
function To_Ghdl_Rtin_Unit64_Acc is new Ada.Unchecked_Conversion
(Source => Ghdl_Rti_Access, Target => Ghdl_Rtin_Unit64_Acc);
type Ghdl_Rtin_Unitptr is record
Common : Ghdl_Rti_Common;
Name : Ghdl_C_String;
Addr : Ghdl_Value_Ptr;
end record;
pragma Convention (C, Ghdl_Rtin_Unitptr);
type Ghdl_Rtin_Unitptr_Acc is access Ghdl_Rtin_Unitptr;
function To_Ghdl_Rtin_Unitptr_Acc is new Ada.Unchecked_Conversion
(Source => Ghdl_Rti_Access, Target => Ghdl_Rtin_Unitptr_Acc);
-- Mode field is set to 4 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;
pragma Convention (C, Ghdl_Rtin_Type_Physical);
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;
pragma Convention (C, Ghdl_Entity_Link_Type);
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;
pragma Convention (C, Ghdl_Component_Link_Type);
function To_Ghdl_Component_Link_Acc is new Ada.Unchecked_Conversion
(Source => Address, Target => Ghdl_Component_Link_Acc);
-- TOP rti.
Ghdl_Rti_Top : Ghdl_Rtin_Block :=
(Common => (Ghdl_Rtik_Top, 0, 0, 0),
Name => null,
Loc => Null_Rti_Loc,
Linecol => 0,
Parent => null,
Nbr_Child => 0,
Children => null);
-- Address of the top instance.
Ghdl_Rti_Top_Instance : Address;
-- 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);
procedure Ghdl_Rti_Add_Top (Max_Pkg : Ghdl_Index_Type;
Pkgs : Ghdl_Rti_Arr_Acc;
Top : Ghdl_Rti_Access;
Instance : Address);
pragma Export (C, Ghdl_Rti_Add_Top, "__ghdl_rti_add_top");
-- Register a package
procedure Ghdl_Rti_Add_Package (Pkg : Ghdl_Rti_Access);
pragma Export (C, Ghdl_Rti_Add_Package, "__ghdl_rti_add_package");
end Grt.Rtis;
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