Implement -mmemcpy-strategy= and -mmemset-strategy= options
[official-gcc.git] / gcc / ada / system-linux-sparc.ads
blobff93463cf8668d35d810e2c2fa6511a068c44428
1 ------------------------------------------------------------------------------
2 -- --
3 -- GNAT RUN-TIME COMPONENTS --
4 -- --
5 -- S Y S T E M --
6 -- --
7 -- S p e c --
8 -- (GNU/Linux-SPARC Version) --
9 -- --
10 -- Copyright (C) 1992-2012, Free Software Foundation, Inc. --
11 -- --
12 -- This specification is derived from the Ada Reference Manual for use with --
13 -- GNAT. The copyright notice above, and the license provisions that follow --
14 -- apply solely to the contents of the part following the private keyword. --
15 -- --
16 -- GNAT is free software; you can redistribute it and/or modify it under --
17 -- terms of the GNU General Public License as published by the Free Soft- --
18 -- ware Foundation; either version 3, or (at your option) any later ver- --
19 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
20 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
21 -- or FITNESS FOR A PARTICULAR PURPOSE. --
22 -- --
23 -- As a special exception under Section 7 of GPL version 3, you are granted --
24 -- additional permissions described in the GCC Runtime Library Exception, --
25 -- version 3.1, as published by the Free Software Foundation. --
26 -- --
27 -- You should have received a copy of the GNU General Public License and --
28 -- a copy of the GCC Runtime Library Exception along with this program; --
29 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
30 -- <http://www.gnu.org/licenses/>. --
31 -- --
32 -- GNAT was originally developed by the GNAT team at New York University. --
33 -- Extensive contributions were provided by Ada Core Technologies Inc. --
34 -- --
35 ------------------------------------------------------------------------------
37 package System is
38 pragma Pure (System);
39 -- Note that we take advantage of the implementation permission to
40 -- make this unit Pure instead of Preelaborable, see RM 13.7(36)
42 type Name is (SYSTEM_NAME_GNAT);
43 System_Name : constant Name := SYSTEM_NAME_GNAT;
45 -- System-Dependent Named Numbers
47 Min_Int : constant := Long_Long_Integer'First;
48 Max_Int : constant := Long_Long_Integer'Last;
50 Max_Binary_Modulus : constant := 2 ** Long_Long_Integer'Size;
51 Max_Nonbinary_Modulus : constant := Integer'Last;
53 Max_Base_Digits : constant := Long_Long_Float'Digits;
54 Max_Digits : constant := Long_Long_Float'Digits;
56 Max_Mantissa : constant := 63;
57 Fine_Delta : constant := 2.0 ** (-Max_Mantissa);
59 Tick : constant := 0.000_001;
61 -- Storage-related Declarations
63 type Address is private;
64 Null_Address : constant Address;
66 Storage_Unit : constant := 8;
67 Word_Size : constant := 32;
68 Memory_Size : constant := 2 ** 32;
70 -- Address comparison
72 function "<" (Left, Right : Address) return Boolean;
73 function "<=" (Left, Right : Address) return Boolean;
74 function ">" (Left, Right : Address) return Boolean;
75 function ">=" (Left, Right : Address) return Boolean;
76 function "=" (Left, Right : Address) return Boolean;
78 pragma Import (Intrinsic, "<");
79 pragma Import (Intrinsic, "<=");
80 pragma Import (Intrinsic, ">");
81 pragma Import (Intrinsic, ">=");
82 pragma Import (Intrinsic, "=");
84 -- Other System-Dependent Declarations
86 type Bit_Order is (High_Order_First, Low_Order_First);
87 Default_Bit_Order : constant Bit_Order := High_Order_First;
88 pragma Warnings (Off, Default_Bit_Order); -- kill constant condition warning
90 -- Priority-related Declarations (RM D.1)
92 Max_Priority : constant Positive := 30;
93 Max_Interrupt_Priority : constant Positive := 31;
95 subtype Any_Priority is Integer range 0 .. 31;
96 subtype Priority is Any_Priority range 0 .. 30;
97 subtype Interrupt_Priority is Any_Priority range 31 .. 31;
99 Default_Priority : constant Priority := 15;
101 private
103 type Address is mod Memory_Size;
104 Null_Address : constant Address := 0;
106 --------------------------------------
107 -- System Implementation Parameters --
108 --------------------------------------
110 -- These parameters provide information about the target that is used
111 -- by the compiler. They are in the private part of System, where they
112 -- can be accessed using the special circuitry in the Targparm unit
113 -- whose source should be consulted for more detailed descriptions
114 -- of the individual switch values.
116 Backend_Divide_Checks : constant Boolean := False;
117 Backend_Overflow_Checks : constant Boolean := True;
118 Command_Line_Args : constant Boolean := True;
119 Configurable_Run_Time : constant Boolean := False;
120 Denorm : constant Boolean := True;
121 Duration_32_Bits : constant Boolean := False;
122 Exit_Status_Supported : constant Boolean := True;
123 Fractional_Fixed_Ops : constant Boolean := False;
124 Frontend_Layout : constant Boolean := False;
125 Machine_Overflows : constant Boolean := False;
126 Machine_Rounds : constant Boolean := True;
127 Preallocated_Stacks : constant Boolean := False;
128 Signed_Zeros : constant Boolean := True;
129 Stack_Check_Default : constant Boolean := False;
130 Stack_Check_Probes : constant Boolean := True;
131 Stack_Check_Limits : constant Boolean := False;
132 Support_Aggregates : constant Boolean := True;
133 Support_Composite_Assign : constant Boolean := True;
134 Support_Composite_Compare : constant Boolean := True;
135 Support_Long_Shifts : constant Boolean := True;
136 Always_Compatible_Rep : constant Boolean := True;
137 Suppress_Standard_Library : constant Boolean := False;
138 Use_Ada_Main_Program_Name : constant Boolean := False;
139 ZCX_By_Default : constant Boolean := True;
141 end System;