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1 ------------------------------------------------------------------------------
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2 -- --
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3 -- GNAT COMPILER COMPONENTS --
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4 -- --
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5 -- M D L L . T O O L S --
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6 -- --
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7 -- B o d y --
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8 -- --
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131
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9 -- Copyright (C) 1992-2018, Free Software Foundation, Inc. --
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111
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10 -- --
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11 -- GNAT is free software; you can redistribute it and/or modify it under --
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12 -- terms of the GNU General Public License as published by the Free Soft- --
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13 -- ware Foundation; either version 3, or (at your option) any later ver- --
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14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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16 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
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17 -- for more details. You should have received a copy of the GNU General --
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18 -- Public License distributed with GNAT; see file COPYING3. If not, go to --
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19 -- http://www.gnu.org/licenses for a complete copy of the license. --
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20 -- --
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21 -- GNAT was originally developed by the GNAT team at New York University. --
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22 -- Extensive contributions were provided by Ada Core Technologies Inc. --
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23 -- --
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24 ------------------------------------------------------------------------------
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25
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26 -- Interface to externals tools used to build DLL and import libraries
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27
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28 with Ada.Text_IO;
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29 with Ada.Exceptions;
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30
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31 with GNAT.Directory_Operations;
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32 with Osint;
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33
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34 package body MDLL.Utl is
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35
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36 use Ada;
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37 use GNAT;
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38
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39 Dlltool_Name : constant String := "dlltool";
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40 Dlltool_Exec : OS_Lib.String_Access;
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41
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42 Gcc_Name : constant String := "gcc";
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43 Gcc_Exec : OS_Lib.String_Access;
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44
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45 Gnatbind_Name : constant String := "gnatbind";
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46 Gnatbind_Exec : OS_Lib.String_Access;
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47
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48 Gnatlink_Name : constant String := "gnatlink";
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49 Gnatlink_Exec : OS_Lib.String_Access;
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50
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51 procedure Print_Command
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52 (Tool_Name : String;
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53 Arguments : OS_Lib.Argument_List);
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54 -- display the command run when in Verbose mode
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55
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56 -------------------
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57 -- Print_Command --
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58 -------------------
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59
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60 procedure Print_Command
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61 (Tool_Name : String;
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62 Arguments : OS_Lib.Argument_List)
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63 is
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64 begin
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65 if Verbose then
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66 Text_IO.Put (Tool_Name);
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67 for K in Arguments'Range loop
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68 Text_IO.Put (" " & Arguments (K).all);
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69 end loop;
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70 Text_IO.New_Line;
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71 end if;
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72 end Print_Command;
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73
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74 -------------
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75 -- Dlltool --
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76 -------------
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77
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78 procedure Dlltool
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79 (Def_Filename : String;
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80 DLL_Name : String;
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81 Library : String;
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82 Exp_Table : String := "";
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83 Base_File : String := "";
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84 Build_Import : Boolean)
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85 is
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86 Arguments : OS_Lib.Argument_List (1 .. 11);
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87 A : Positive;
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88
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89 Success : Boolean;
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90
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91 Def_Opt : aliased String := "--def";
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92 Def_V : aliased String := Def_Filename;
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93 Dll_Opt : aliased String := "--dllname";
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94 Dll_V : aliased String := DLL_Name;
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95 Lib_Opt : aliased String := "--output-lib";
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96 Lib_V : aliased String := Library;
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97 Exp_Opt : aliased String := "--output-exp";
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98 Exp_V : aliased String := Exp_Table;
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99 Bas_Opt : aliased String := "--base-file";
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100 Bas_V : aliased String := Base_File;
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101 No_Suf_Opt : aliased String := "-k";
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102
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103 begin
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104 Arguments (1 .. 4) := (1 => Def_Opt'Unchecked_Access,
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105 2 => Def_V'Unchecked_Access,
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106 3 => Dll_Opt'Unchecked_Access,
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107 4 => Dll_V'Unchecked_Access);
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108 A := 4;
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109
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110 if Kill_Suffix then
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111 A := A + 1;
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112 Arguments (A) := No_Suf_Opt'Unchecked_Access;
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113 end if;
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114
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115 if Library /= "" and then Build_Import then
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116 A := A + 1;
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117 Arguments (A) := Lib_Opt'Unchecked_Access;
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118 A := A + 1;
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119 Arguments (A) := Lib_V'Unchecked_Access;
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120 end if;
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121
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122 if Exp_Table /= "" then
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123 A := A + 1;
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124 Arguments (A) := Exp_Opt'Unchecked_Access;
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125 A := A + 1;
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126 Arguments (A) := Exp_V'Unchecked_Access;
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127 end if;
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128
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129 if Base_File /= "" then
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130 A := A + 1;
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131 Arguments (A) := Bas_Opt'Unchecked_Access;
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132 A := A + 1;
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133 Arguments (A) := Bas_V'Unchecked_Access;
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134 end if;
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135
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136 Print_Command ("dlltool", Arguments (1 .. A));
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137
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138 OS_Lib.Spawn (Dlltool_Exec.all, Arguments (1 .. A), Success);
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139
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140 if not Success then
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141 Exceptions.Raise_Exception
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142 (Tools_Error'Identity, Dlltool_Name & " execution error.");
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143 end if;
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144 end Dlltool;
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145
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146 ---------
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147 -- Gcc --
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148 ---------
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149
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150 procedure Gcc
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151 (Output_File : String;
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152 Files : Argument_List;
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153 Options : Argument_List;
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154 Base_File : String := "";
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155 Build_Lib : Boolean := False)
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156 is
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157 use Osint;
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158
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159 Arguments : OS_Lib.Argument_List
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160 (1 .. 5 + Files'Length + Options'Length);
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161 A : Natural := 0;
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162
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163 Success : Boolean;
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164 C_Opt : aliased String := "-c";
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165 Out_Opt : aliased String := "-o";
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166 Out_V : aliased String := Output_File;
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167 Bas_Opt : aliased String := "-Wl,--base-file," & Base_File;
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168 Lib_Opt : aliased String := "-mdll";
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169 Lib_Dir : aliased String := "-L" & Object_Dir_Default_Prefix;
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170
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171 begin
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172 A := A + 1;
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173 if Build_Lib then
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174 Arguments (A) := Lib_Opt'Unchecked_Access;
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175 else
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176 Arguments (A) := C_Opt'Unchecked_Access;
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177 end if;
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178
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179 A := A + 1;
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180 Arguments (A .. A + 2) := (Out_Opt'Unchecked_Access,
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181 Out_V'Unchecked_Access,
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182 Lib_Dir'Unchecked_Access);
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183 A := A + 2;
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184
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185 if Base_File /= "" then
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186 A := A + 1;
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187 Arguments (A) := Bas_Opt'Unchecked_Access;
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188 end if;
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189
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190 A := A + 1;
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191 Arguments (A .. A + Files'Length - 1) := Files;
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192 A := A + Files'Length - 1;
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193
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194 if Build_Lib then
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195 A := A + 1;
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196 Arguments (A .. A + Options'Length - 1) := Options;
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197 A := A + Options'Length - 1;
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198 else
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199 declare
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200 Largs : Argument_List (Options'Range);
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201 L : Natural := Largs'First - 1;
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202 begin
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203 for K in Options'Range loop
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204 if Options (K) (1 .. 2) /= "-l" then
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205 L := L + 1;
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206 Largs (L) := Options (K);
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207 end if;
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208 end loop;
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209 A := A + 1;
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210 Arguments (A .. A + L - 1) := Largs (1 .. L);
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211 A := A + L - 1;
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212 end;
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213 end if;
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214
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215 Print_Command ("gcc", Arguments (1 .. A));
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216
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217 OS_Lib.Spawn (Gcc_Exec.all, Arguments (1 .. A), Success);
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218
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219 if not Success then
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220 Exceptions.Raise_Exception
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221 (Tools_Error'Identity, Gcc_Name & " execution error.");
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222 end if;
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223 end Gcc;
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224
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225 --------------
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226 -- Gnatbind --
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227 --------------
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228
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229 procedure Gnatbind
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230 (Alis : Argument_List;
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231 Args : Argument_List := Null_Argument_List)
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232 is
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233 Arguments : OS_Lib.Argument_List (1 .. 1 + Alis'Length + Args'Length);
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234 Success : Boolean;
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235
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236 No_Main_Opt : aliased String := "-n";
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237
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238 begin
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239 Arguments (1) := No_Main_Opt'Unchecked_Access;
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240 Arguments (2 .. 1 + Alis'Length) := Alis;
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241 Arguments (2 + Alis'Length .. Arguments'Last) := Args;
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242
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243 Print_Command ("gnatbind", Arguments);
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244
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245 OS_Lib.Spawn (Gnatbind_Exec.all, Arguments, Success);
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246
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247 -- Delete binder files on failure
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248
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249 if not Success then
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250 declare
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251 Base_Name : constant String :=
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252 Directory_Operations.Base_Name (Alis (Alis'First).all, ".ali");
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253 begin
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254 OS_Lib.Delete_File ("b~" & Base_Name & ".ads", Success);
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255 OS_Lib.Delete_File ("b~" & Base_Name & ".adb", Success);
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256 end;
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257
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258 Exceptions.Raise_Exception
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259 (Tools_Error'Identity, Gnatbind_Name & " execution error.");
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260 end if;
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261 end Gnatbind;
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262
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263 --------------
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264 -- Gnatlink --
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265 --------------
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266
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267 procedure Gnatlink
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268 (Ali : String;
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269 Args : Argument_List := Null_Argument_List)
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270 is
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271 Arguments : OS_Lib.Argument_List (1 .. 1 + Args'Length);
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272 Success : Boolean;
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273
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274 Ali_Name : aliased String := Ali;
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275
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276 begin
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277 Arguments (1) := Ali_Name'Unchecked_Access;
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278 Arguments (2 .. Arguments'Last) := Args;
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279
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280 Print_Command ("gnatlink", Arguments);
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281
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282 OS_Lib.Spawn (Gnatlink_Exec.all, Arguments, Success);
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283
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284 if not Success then
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285 -- Delete binder files
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286 declare
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287 Base_Name : constant String :=
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288 Directory_Operations.Base_Name (Ali, ".ali");
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289 begin
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290 OS_Lib.Delete_File ("b~" & Base_Name & ".ads", Success);
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291 OS_Lib.Delete_File ("b~" & Base_Name & ".adb", Success);
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292 OS_Lib.Delete_File ("b~" & Base_Name & ".ali", Success);
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293 OS_Lib.Delete_File ("b~" & Base_Name & ".o", Success);
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294 end;
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295
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296 Exceptions.Raise_Exception
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297 (Tools_Error'Identity, Gnatlink_Name & " execution error.");
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298 end if;
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299 end Gnatlink;
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300
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301 ------------
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302 -- Locate --
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303 ------------
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304
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305 procedure Locate is
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306 use type OS_Lib.String_Access;
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307 begin
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308 -- dlltool
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309
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310 if Dlltool_Exec = null then
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311 Dlltool_Exec := OS_Lib.Locate_Exec_On_Path (Dlltool_Name);
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312
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313 if Dlltool_Exec = null then
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314 Exceptions.Raise_Exception
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315 (Tools_Error'Identity, Dlltool_Name & " not found in path");
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316
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317 elsif Verbose then
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318 Text_IO.Put_Line ("using " & Dlltool_Exec.all);
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319 end if;
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320 end if;
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321
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322 -- gcc
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323
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324 if Gcc_Exec = null then
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325 Gcc_Exec := OS_Lib.Locate_Exec_On_Path (Gcc_Name);
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326
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327 if Gcc_Exec = null then
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328 Exceptions.Raise_Exception
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329 (Tools_Error'Identity, Gcc_Name & " not found in path");
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330
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331 elsif Verbose then
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332 Text_IO.Put_Line ("using " & Gcc_Exec.all);
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333 end if;
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334 end if;
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335
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336 -- gnatbind
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337
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338 if Gnatbind_Exec = null then
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339 Gnatbind_Exec := OS_Lib.Locate_Exec_On_Path (Gnatbind_Name);
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340
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341 if Gnatbind_Exec = null then
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342 Exceptions.Raise_Exception
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343 (Tools_Error'Identity, Gnatbind_Name & " not found in path");
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344
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345 elsif Verbose then
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346 Text_IO.Put_Line ("using " & Gnatbind_Exec.all);
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347 end if;
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348 end if;
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349
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350 -- gnatlink
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351
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352 if Gnatlink_Exec = null then
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353 Gnatlink_Exec := OS_Lib.Locate_Exec_On_Path (Gnatlink_Name);
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354
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355 if Gnatlink_Exec = null then
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356 Exceptions.Raise_Exception
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357 (Tools_Error'Identity, Gnatlink_Name & " not found in path");
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358
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359 elsif Verbose then
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360 Text_IO.Put_Line ("using " & Gnatlink_Exec.all);
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361 Text_IO.New_Line;
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362 end if;
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363 end if;
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364 end Locate;
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365
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366 end MDLL.Utl;
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