1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
|
-- GCC back-end for ortho.
-- Copyright (C) 2002-1014 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;
with Interfaces; use Interfaces;
with Ortho_Ident;
use Ortho_Ident;
-- Interface to create nodes.
package Ortho_Gcc is
private
-- GCC supports nested subprograms.
Has_Nested_Subprograms : constant Boolean := True;
pragma Convention (C, O_Storage);
-- pragma Convention (C, ON_Op_Kind);
subtype Tree is System.Address;
NULL_TREE : constant Tree := System.Null_Address;
subtype Vec_Ptr is System.Address;
type O_Cnode is new Tree;
type O_Enode is new Tree;
type O_Lnode is new Tree;
type O_Gnode is new Tree;
type O_Tnode is new Tree;
type O_Fnode is new Tree;
type O_Dnode is new Tree;
type O_Snode is record
Beg_Label : Tree;
End_Label : Tree;
end record;
pragma Convention (C, O_Snode);
O_Cnode_Null : constant O_Cnode := O_Cnode (NULL_TREE);
O_Enode_Null : constant O_Enode := O_Enode (NULL_TREE);
O_Lnode_Null : constant O_Lnode := O_Lnode (NULL_TREE);
O_Gnode_Null : constant O_Gnode := O_Gnode (NULL_TREE);
O_Tnode_Null : constant O_Tnode := O_Tnode (NULL_TREE);
O_Fnode_Null : constant O_Fnode := O_Fnode (NULL_TREE);
O_Snode_Null : constant O_Snode := (NULL_TREE, NULL_TREE);
O_Dnode_Null : constant O_Dnode := O_Dnode (NULL_TREE);
pragma Inline (New_Lit);
pragma Inline (New_Obj);
pragma Inline (New_Obj_Value);
-- Efficiently append element EL to a chain.
-- FIRST is the first element of the chain (must NULL_TREE if the chain
-- is empty),
-- LAST is the last element of the chain (idem).
type Chain_Constr_Type is record
First : Tree;
Last : Tree;
end record;
pragma Convention (C, Chain_Constr_Type);
procedure Chain_Init (Constr : out Chain_Constr_Type);
pragma Import (C, Chain_Init);
procedure Chain_Append (Constr : in out Chain_Constr_Type; El : Tree);
pragma Import (C, Chain_Append);
-- Efficiently append element EL to a list.
type List_Constr_Type is record
First : Tree;
Last : Tree;
end record;
pragma Convention (C, List_Constr_Type);
procedure List_Init (Constr : out List_Constr_Type);
pragma Import (C, List_Init);
procedure List_Append (Constr : in out List_Constr_Type; El : Tree);
pragma Import (C, List_Append, "ortho_list_append");
type O_Loop_Block is record
Beg_Label : Tree;
End_Label : Tree;
end record;
pragma Convention (C, O_Loop_Block);
type O_Inter_List is record
Ident : O_Ident;
Storage : O_Storage;
-- Return type.
Rtype : O_Tnode;
-- List of parameter types.
Param_List : List_Constr_Type;
-- Chain of parameters declarations.
Param_Chain : Chain_Constr_Type;
end record;
pragma Convention (C, O_Inter_List);
type O_Element_List is record
Res : Tree;
Chain : Chain_Constr_Type;
end record;
pragma Convention (C, O_Element_List);
type O_Case_Block is record
Prev_Stmts : Tree;
Case_Type : Tree;
End_Label : Tree;
Add_Break : Integer;
end record;
pragma Convention (C, O_Case_Block);
type O_If_Block is record
Prev_Stmts : Tree;
If_Stmt : Tree;
end record;
pragma Convention (C, O_If_Block);
type O_Aggr_List is record
Atype : Tree;
Chain : Chain_Constr_Type;
end record;
type O_Record_Aggr_List is record
Atype : Tree;
Afield : Tree;
Vec : Vec_Ptr;
end record;
pragma Convention (C, O_Record_Aggr_List);
type O_Array_Aggr_List is record
Atype : Tree;
Vec : Vec_Ptr;
end record;
pragma Convention (C, O_Array_Aggr_List);
type O_Assoc_List is record
Subprg : Tree;
List : List_Constr_Type;
end record;
pragma Convention (C, O_Assoc_List);
type O_Enum_List is record
-- The enumeral_type node.
Res : Tree;
-- Chain of literals.
Chain : Chain_Constr_Type;
-- Numeral value (from 0 to nbr - 1) of the next literal to be declared.
Num : Natural;
-- Size of the enumeration type.
Size : Natural;
end record;
pragma Convention (C, O_Enum_List);
pragma Import (C, New_Dyadic_Op);
pragma Import (C, New_Monadic_Op);
pragma Import (C, New_Compare_Op);
pragma Import (C, New_Convert_Ov);
pragma Import (C, New_Alloca);
pragma Import (C, New_Signed_Literal);
pragma Import (C, New_Unsigned_Literal);
pragma Import (C, New_Float_Literal);
pragma Import (C, New_Null_Access);
pragma Import (C, Start_Record_Type);
pragma Import (C, New_Record_Field);
pragma Import (C, Finish_Record_Type);
pragma Import (C, New_Uncomplete_Record_Type);
pragma Import (C, Start_Uncomplete_Record_Type);
pragma Import (C, Start_Union_Type);
pragma Import (C, New_Union_Field);
pragma Import (C, Finish_Union_Type);
pragma Import (C, New_Unsigned_Type);
pragma Import (C, New_Signed_Type);
pragma Import (C, New_Float_Type);
pragma Import (C, New_Access_Type);
pragma Import (C, Finish_Access_Type);
pragma Import (C, New_Array_Type);
pragma Import (C, New_Constrained_Array_Type);
pragma Import (C, New_Boolean_Type);
pragma Import (C, Start_Enum_Type);
pragma Import (C, New_Enum_Literal);
pragma Import (C, Finish_Enum_Type);
pragma Import (C, Start_Record_Aggr);
pragma Import (C, New_Record_Aggr_El);
pragma Import (C, Finish_Record_Aggr);
pragma Import (C, Start_Array_Aggr);
pragma Import (C, New_Array_Aggr_El);
pragma Import (C, Finish_Array_Aggr);
pragma Import (C, New_Union_Aggr);
pragma Import (C, New_Default_Value);
pragma Import (C, New_Indexed_Element);
pragma Import (C, New_Slice);
pragma Import (C, New_Selected_Element);
pragma Import (C, New_Access_Element);
pragma Import (C, New_Sizeof);
pragma Import (C, New_Alignof);
pragma Import (C, New_Offsetof);
pragma Import (C, New_Address);
pragma Import (C, New_Global_Address);
pragma Import (C, New_Unchecked_Address);
pragma Import (C, New_Global_Unchecked_Address);
pragma Import (C, New_Subprogram_Address);
pragma Import (C, New_Value);
pragma Import (C, New_Type_Decl);
pragma Import (C, New_Debug_Line_Decl);
pragma Import (C, New_Const_Decl);
pragma Import (C, New_Var_Decl);
pragma Import (C, Start_Init_Value);
pragma Import (C, Finish_Init_Value);
pragma Import (C, Start_Function_Decl);
pragma Import (C, Start_Procedure_Decl);
pragma Import (C, New_Interface_Decl);
pragma Import (C, Finish_Subprogram_Decl);
pragma Import (C, Start_Subprogram_Body);
pragma Import (C, Finish_Subprogram_Body);
pragma Import (C, New_Debug_Line_Stmt);
pragma Import (C, Start_Declare_Stmt);
pragma Import (C, Finish_Declare_Stmt);
pragma Import (C, Start_Association);
pragma Import (C, New_Association);
pragma Import (C, New_Function_Call);
pragma Import (C, New_Procedure_Call);
pragma Import (C, New_Assign_Stmt);
pragma Import (C, Start_If_Stmt);
pragma Import (C, New_Else_Stmt);
pragma Import (C, Finish_If_Stmt);
pragma Import (C, New_Return_Stmt);
pragma Import_Procedure (New_Return_Stmt,
"new_func_return_stmt", (O_Enode));
pragma Import_Procedure (New_Return_Stmt,
"new_proc_return_stmt", null);
pragma Import (C, Start_Loop_Stmt);
pragma Import (C, Finish_Loop_Stmt);
pragma Import (C, New_Exit_Stmt);
pragma Import (C, New_Next_Stmt);
pragma Import (C, Start_Case_Stmt);
pragma Import (C, Start_Choice);
pragma Import (C, New_Expr_Choice);
pragma Import (C, New_Range_Choice);
pragma Import (C, New_Default_Choice);
pragma Import (C, Finish_Choice);
pragma Import (C, Finish_Case_Stmt);
end Ortho_Gcc;
|
