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111
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1 -- CD30005.A
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2 --
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3 -- Grant of Unlimited Rights
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4 --
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5 -- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
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6 -- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
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7 -- unlimited rights in the software and documentation contained herein.
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8 -- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
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9 -- this public release, the Government intends to confer upon all
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10 -- recipients unlimited rights equal to those held by the Government.
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11 -- These rights include rights to use, duplicate, release or disclose the
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12 -- released technical data and computer software in whole or in part, in
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13 -- any manner and for any purpose whatsoever, and to have or permit others
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14 -- to do so.
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15 --
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16 -- DISCLAIMER
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17 --
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18 -- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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19 -- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
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20 -- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
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21 -- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
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22 -- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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23 -- PARTICULAR PURPOSE OF SAID MATERIAL.
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24 --*
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25 --
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26 -- OBJECTIVE:
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27 -- Check that Address clauses are supported for imported subprograms.
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28 --
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29 -- TEST DESCRIPTION:
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30 -- This test imports a simple C function and specifies it's location.
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31 --
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32 -- The implementation may choose to implement
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33 -- Impdef.CD30005_1_Foreign_Address so as to dynamically call a C
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34 -- function that returns the appropriate address for the external
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35 -- function identified by Impdef.CD30005_1_External_Name.
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36 --
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37 -- TEST FILES:
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38 -- CD300050.AM
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39 -- CD300051.C -- the C function: (included below for reference)
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40 --
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41 -- SPECIAL REQUIREMENTS:
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42 -- The file CD300051.C must be compiled with a C compiler.
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43 -- Implementation dialects of C may require alteration of the C program
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44 -- syntax. The program is included here for reference:
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45 --
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46 -- int _cd30005_1( Value )
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47 -- {
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48 -- /* int Value */
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49 --
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50 -- return Value + 1;
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51 -- }
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52 --
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53 -- Implementations may require special linkage commands to include the
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54 -- C code.
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55 --
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56 -- APPLICABILITY CRITERIA:
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57 -- This test is not applicable to implementations not providing an interface
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58 -- to C language units. OTHERWISE:
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59 --
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60 -- All implementations must attempt to compile this test.
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61 --
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62 -- For implementations validating against Systems Programming Annex (C):
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63 -- this test must execute and report PASSED.
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64 --
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65 -- For implementations not validating against Annex C:
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66 -- this test may report compile time errors at one or more points
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67 -- indicated by "-- ANX-C RQMT", in which case it may be graded as inapplicable.
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68 -- Otherwise, the test must execute and report PASSED.
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69 --
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70 --
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71 -- CHANGE HISTORY:
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72 -- 22 JUL 95 SAIC Initial version
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73 -- 30 APR 96 SAIC Added commentary for 2.1
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74 -- 09 MAY 96 SAIC Changed reporting for 2.1
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75 -- 04 NOV 96 SAIC Added use type System.Address
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76 -- 16 FEB 98 EDS Modified documentation.
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77 -- 29 JUN 98 EDS Modified main program name.
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78 --!
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79
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80 ----------------------------------------------------------------- CD30005_0
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81
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82 with Impdef;
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83 package CD30005_0 is
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84
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85 -- Check that Address clauses are supported for imported subprograms.
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86
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87 type External_Func_Ref is access function(N:Integer) return Integer;
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88 pragma Convention( C, External_Func_Ref );
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89
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90
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91 function CD30005_1( I: Integer ) return Integer;
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92
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93 pragma Import( C, CD30005_1,
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94 Impdef.CD30005_1_External_Name ); -- N/A => ERROR.
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95
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96 for CD30005_1'Address use
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97 Impdef.CD30005_1_Foreign_Address; -- ANX-C RQMT.
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98
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99 procedure TC_Check_Imports;
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100
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101 end CD30005_0;
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102
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103 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
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104
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105 with Report;
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106 with System.Storage_Elements;
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107 with System.Address_To_Access_Conversions;
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108 package body CD30005_0 is
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109
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110 use type System.Address;
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111
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112 procedure TC_Check_Imports is
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113 S : External_Func_Ref := CD30005_1'Access;
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114 I,K : Integer := 99;
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115 begin
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116
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117 K := S.all(I);
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118 if K /= 100 then
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119 Report.Failed("C program returned" & Integer'Image(K));
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120 end if;
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121
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122 I := CD30005_1( I );
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123 if I /= 100 then
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124 Report.Failed("C program returned" & Integer'Image(I));
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125 end if;
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126
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127 if CD30005_1'Address /= Impdef.CD30005_1_Foreign_Address then
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128 Report.Failed("Address not that specified");
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129 end if;
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130
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131 end TC_Check_Imports;
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132
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133 end CD30005_0;
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134
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135 ------------------------------------------------------------------- CD300050
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136
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137 with Report;
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138 with CD30005_0;
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139
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140 procedure CD300050 is
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141
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142 begin -- Main test procedure.
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143
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144 Report.Test ("CD30005",
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145 "Check that Address clauses are supported for imported " &
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146 "subprograms" );
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147
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148 -- Check that Address clauses are supported for imported subprograms.
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149
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150 CD30005_0.TC_Check_Imports;
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151
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152 Report.Result;
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153
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154 end CD300050;
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