annotate gcc/ada/libgnat/system-vxworks7-ppc-rtp-smp.ads @ 131:84e7813d76e9

gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children 1830386684a0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
111
kono
parents:
diff changeset
1 ------------------------------------------------------------------------------
kono
parents:
diff changeset
2 -- --
kono
parents:
diff changeset
3 -- GNAT RUN-TIME COMPONENTS --
kono
parents:
diff changeset
4 -- --
kono
parents:
diff changeset
5 -- S Y S T E M --
kono
parents:
diff changeset
6 -- --
kono
parents:
diff changeset
7 -- S p e c --
kono
parents:
diff changeset
8 -- (VxWorks 7.x PPC RTP) --
kono
parents:
diff changeset
9 -- --
131
84e7813d76e9 gcc-8.2
mir3636
parents: 111
diff changeset
10 -- Copyright (C) 1992-2018, Free Software Foundation, Inc. --
111
kono
parents:
diff changeset
11 -- --
kono
parents:
diff changeset
12 -- This specification is derived from the Ada Reference Manual for use with --
kono
parents:
diff changeset
13 -- GNAT. The copyright notice above, and the license provisions that follow --
kono
parents:
diff changeset
14 -- apply solely to the contents of the part following the private keyword. --
kono
parents:
diff changeset
15 -- --
kono
parents:
diff changeset
16 -- GNAT is free software; you can redistribute it and/or modify it under --
kono
parents:
diff changeset
17 -- terms of the GNU General Public License as published by the Free Soft- --
kono
parents:
diff changeset
18 -- ware Foundation; either version 3, or (at your option) any later ver- --
kono
parents:
diff changeset
19 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
kono
parents:
diff changeset
20 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
kono
parents:
diff changeset
21 -- or FITNESS FOR A PARTICULAR PURPOSE. --
kono
parents:
diff changeset
22 -- --
kono
parents:
diff changeset
23 -- As a special exception under Section 7 of GPL version 3, you are granted --
kono
parents:
diff changeset
24 -- additional permissions described in the GCC Runtime Library Exception, --
kono
parents:
diff changeset
25 -- version 3.1, as published by the Free Software Foundation. --
kono
parents:
diff changeset
26 -- --
kono
parents:
diff changeset
27 -- You should have received a copy of the GNU General Public License and --
kono
parents:
diff changeset
28 -- a copy of the GCC Runtime Library Exception along with this program; --
kono
parents:
diff changeset
29 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
kono
parents:
diff changeset
30 -- <http://www.gnu.org/licenses/>. --
kono
parents:
diff changeset
31 -- --
kono
parents:
diff changeset
32 -- GNAT was originally developed by the GNAT team at New York University. --
kono
parents:
diff changeset
33 -- Extensive contributions were provided by Ada Core Technologies Inc. --
kono
parents:
diff changeset
34 -- --
kono
parents:
diff changeset
35 ------------------------------------------------------------------------------
kono
parents:
diff changeset
36
kono
parents:
diff changeset
37 -- This is the VxWorks version of this package for RTPs
kono
parents:
diff changeset
38
kono
parents:
diff changeset
39 package System is
kono
parents:
diff changeset
40 pragma Pure;
kono
parents:
diff changeset
41 -- Note that we take advantage of the implementation permission to make
kono
parents:
diff changeset
42 -- this unit Pure instead of Preelaborable; see RM 13.7.1(15). In Ada
kono
parents:
diff changeset
43 -- 2005, this is Pure in any case (AI-362).
kono
parents:
diff changeset
44
kono
parents:
diff changeset
45 pragma No_Elaboration_Code_All;
kono
parents:
diff changeset
46 -- Allow the use of that restriction in units that WITH this unit
kono
parents:
diff changeset
47
kono
parents:
diff changeset
48 type Name is (SYSTEM_NAME_GNAT);
kono
parents:
diff changeset
49 System_Name : constant Name := SYSTEM_NAME_GNAT;
kono
parents:
diff changeset
50
kono
parents:
diff changeset
51 -- System-Dependent Named Numbers
kono
parents:
diff changeset
52
kono
parents:
diff changeset
53 Min_Int : constant := Long_Long_Integer'First;
kono
parents:
diff changeset
54 Max_Int : constant := Long_Long_Integer'Last;
kono
parents:
diff changeset
55
kono
parents:
diff changeset
56 Max_Binary_Modulus : constant := 2 ** Long_Long_Integer'Size;
kono
parents:
diff changeset
57 Max_Nonbinary_Modulus : constant := 2 ** Integer'Size - 1;
kono
parents:
diff changeset
58
kono
parents:
diff changeset
59 Max_Base_Digits : constant := Long_Long_Float'Digits;
kono
parents:
diff changeset
60 Max_Digits : constant := Long_Long_Float'Digits;
kono
parents:
diff changeset
61
kono
parents:
diff changeset
62 Max_Mantissa : constant := 63;
kono
parents:
diff changeset
63 Fine_Delta : constant := 2.0 ** (-Max_Mantissa);
kono
parents:
diff changeset
64
kono
parents:
diff changeset
65 Tick : constant := 1.0 / 60.0;
kono
parents:
diff changeset
66
kono
parents:
diff changeset
67 -- Storage-related Declarations
kono
parents:
diff changeset
68
kono
parents:
diff changeset
69 type Address is private;
kono
parents:
diff changeset
70 pragma Preelaborable_Initialization (Address);
kono
parents:
diff changeset
71 Null_Address : constant Address;
kono
parents:
diff changeset
72
kono
parents:
diff changeset
73 Storage_Unit : constant := 8;
kono
parents:
diff changeset
74 Word_Size : constant := 32;
kono
parents:
diff changeset
75 Memory_Size : constant := 2 ** 32;
kono
parents:
diff changeset
76
kono
parents:
diff changeset
77 -- Address comparison
kono
parents:
diff changeset
78
kono
parents:
diff changeset
79 function "<" (Left, Right : Address) return Boolean;
kono
parents:
diff changeset
80 function "<=" (Left, Right : Address) return Boolean;
kono
parents:
diff changeset
81 function ">" (Left, Right : Address) return Boolean;
kono
parents:
diff changeset
82 function ">=" (Left, Right : Address) return Boolean;
kono
parents:
diff changeset
83 function "=" (Left, Right : Address) return Boolean;
kono
parents:
diff changeset
84
kono
parents:
diff changeset
85 pragma Import (Intrinsic, "<");
kono
parents:
diff changeset
86 pragma Import (Intrinsic, "<=");
kono
parents:
diff changeset
87 pragma Import (Intrinsic, ">");
kono
parents:
diff changeset
88 pragma Import (Intrinsic, ">=");
kono
parents:
diff changeset
89 pragma Import (Intrinsic, "=");
kono
parents:
diff changeset
90
kono
parents:
diff changeset
91 -- Other System-Dependent Declarations
kono
parents:
diff changeset
92
kono
parents:
diff changeset
93 type Bit_Order is (High_Order_First, Low_Order_First);
kono
parents:
diff changeset
94 Default_Bit_Order : constant Bit_Order := High_Order_First;
kono
parents:
diff changeset
95 pragma Warnings (Off, Default_Bit_Order); -- kill constant condition warning
kono
parents:
diff changeset
96
kono
parents:
diff changeset
97 -- Priority-related Declarations (RM D.1)
kono
parents:
diff changeset
98
kono
parents:
diff changeset
99 -- Ada priorities are mapped to VxWorks priorities using the following
kono
parents:
diff changeset
100 -- transformation: 255 - Ada Priority
kono
parents:
diff changeset
101
kono
parents:
diff changeset
102 -- Ada priorities are used as follows:
kono
parents:
diff changeset
103
kono
parents:
diff changeset
104 -- 256 is reserved for the VxWorks kernel
kono
parents:
diff changeset
105 -- 248 - 255 correspond to hardware interrupt levels 0 .. 7
kono
parents:
diff changeset
106 -- 247 is a catchall default "interrupt" priority for signals,
kono
parents:
diff changeset
107 -- allowing higher priority than normal tasks, but lower than
kono
parents:
diff changeset
108 -- hardware priority levels. Protected Object ceilings can
kono
parents:
diff changeset
109 -- override these values.
kono
parents:
diff changeset
110 -- 246 is used by the Interrupt_Manager task
kono
parents:
diff changeset
111
kono
parents:
diff changeset
112 Max_Priority : constant Positive := 245;
kono
parents:
diff changeset
113 Max_Interrupt_Priority : constant Positive := 255;
kono
parents:
diff changeset
114
kono
parents:
diff changeset
115 subtype Any_Priority is Integer range 0 .. 255;
kono
parents:
diff changeset
116 subtype Priority is Any_Priority range 0 .. 245;
kono
parents:
diff changeset
117 subtype Interrupt_Priority is Any_Priority range 246 .. 255;
kono
parents:
diff changeset
118
kono
parents:
diff changeset
119 Default_Priority : constant Priority := 122;
kono
parents:
diff changeset
120
kono
parents:
diff changeset
121 private
kono
parents:
diff changeset
122
131
84e7813d76e9 gcc-8.2
mir3636
parents: 111
diff changeset
123 pragma Linker_Options ("--specs=vxworks7-gnat-crtbe-link.spec");
111
kono
parents:
diff changeset
124 -- Pull in crtbegin/crtend objects and register exceptions for ZCX.
kono
parents:
diff changeset
125 -- This is commented out by our Makefile for SJLJ runtimes.
kono
parents:
diff changeset
126
kono
parents:
diff changeset
127 pragma Linker_Options ("--specs=vxworks7-rtp-base-link.spec");
kono
parents:
diff changeset
128 -- Define the symbol wrs_rtp_base
kono
parents:
diff changeset
129
kono
parents:
diff changeset
130 type Address is mod Memory_Size;
kono
parents:
diff changeset
131 Null_Address : constant Address := 0;
kono
parents:
diff changeset
132
kono
parents:
diff changeset
133 --------------------------------------
kono
parents:
diff changeset
134 -- System Implementation Parameters --
kono
parents:
diff changeset
135 --------------------------------------
kono
parents:
diff changeset
136
kono
parents:
diff changeset
137 -- These parameters provide information about the target that is used
kono
parents:
diff changeset
138 -- by the compiler. They are in the private part of System, where they
kono
parents:
diff changeset
139 -- can be accessed using the special circuitry in the Targparm unit
kono
parents:
diff changeset
140 -- whose source should be consulted for more detailed descriptions
kono
parents:
diff changeset
141 -- of the individual switch values.
kono
parents:
diff changeset
142
kono
parents:
diff changeset
143 Backend_Divide_Checks : constant Boolean := False;
kono
parents:
diff changeset
144 Backend_Overflow_Checks : constant Boolean := True;
kono
parents:
diff changeset
145 Command_Line_Args : constant Boolean := True;
kono
parents:
diff changeset
146 Configurable_Run_Time : constant Boolean := False;
kono
parents:
diff changeset
147 Denorm : constant Boolean := True;
kono
parents:
diff changeset
148 Duration_32_Bits : constant Boolean := False;
kono
parents:
diff changeset
149 Exit_Status_Supported : constant Boolean := True;
kono
parents:
diff changeset
150 Fractional_Fixed_Ops : constant Boolean := False;
kono
parents:
diff changeset
151 Frontend_Layout : constant Boolean := False;
kono
parents:
diff changeset
152 Machine_Overflows : constant Boolean := False;
kono
parents:
diff changeset
153 Machine_Rounds : constant Boolean := True;
kono
parents:
diff changeset
154 Preallocated_Stacks : constant Boolean := False;
kono
parents:
diff changeset
155 Signed_Zeros : constant Boolean := True;
kono
parents:
diff changeset
156 Stack_Check_Default : constant Boolean := False;
kono
parents:
diff changeset
157 Stack_Check_Probes : constant Boolean := True;
kono
parents:
diff changeset
158 Stack_Check_Limits : constant Boolean := False;
kono
parents:
diff changeset
159 Support_Aggregates : constant Boolean := True;
kono
parents:
diff changeset
160 Support_Composite_Assign : constant Boolean := True;
kono
parents:
diff changeset
161 Support_Composite_Compare : constant Boolean := True;
kono
parents:
diff changeset
162 Support_Long_Shifts : constant Boolean := True;
kono
parents:
diff changeset
163 Always_Compatible_Rep : constant Boolean := False;
kono
parents:
diff changeset
164 Suppress_Standard_Library : constant Boolean := False;
kono
parents:
diff changeset
165 Use_Ada_Main_Program_Name : constant Boolean := False;
kono
parents:
diff changeset
166 Frontend_Exceptions : constant Boolean := False;
kono
parents:
diff changeset
167 ZCX_By_Default : constant Boolean := True;
kono
parents:
diff changeset
168
kono
parents:
diff changeset
169 Executable_Extension : constant String := ".vxe";
kono
parents:
diff changeset
170
kono
parents:
diff changeset
171 end System;