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annotate gen/linker.cpp @ 1171:461a85f0db31

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Change meaning of optimization levels: -O0 now means 'no optimization' like with other compilers.
author Frits van Bommel <fvbommel wxs.nl>
date Sun, 29 Mar 2009 15:51:14 +0200
parents e40c65bd8c5d
children 847b767b2d0b
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1 #include "gen/linker.h"
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2 #include "gen/llvm.h"
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3 #include "llvm/Linker.h"
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4 #include "llvm/System/Program.h"
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5 #if _WIN32
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6 #include "llvm/Support/SystemUtils.h"
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7 #endif
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8
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9 #include "root.h"
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10 #include "mars.h"
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11 #include "module.h"
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12
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13 #define NO_COUT_LOGGER
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14 #include "gen/logger.h"
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15 #include "gen/cl_options.h"
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16 #include "gen/optimizer.h"
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17
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18 //////////////////////////////////////////////////////////////////////////////
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19
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20 // Is this useful?
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21 llvm::cl::opt<bool> quiet("quiet",
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22 llvm::cl::desc("Suppress output of link command (unless -v is also passed)"),
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23 llvm::cl::Hidden,
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24 llvm::cl::ZeroOrMore,
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25 llvm::cl::init(true));
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26
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27 //////////////////////////////////////////////////////////////////////////////
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28
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29 typedef std::vector<llvm::Module*> Module_vector;
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30
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31 void linkModules(llvm::Module* dst, const Module_vector& MV)
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32 {
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33 if (MV.empty())
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34 return;
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35
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36 llvm::Linker linker("ldc", dst);
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37
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38 std::string err;
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39 for (Module_vector::const_iterator i=MV.begin(); i!=MV.end(); ++i)
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40 {
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41 if (!linker.LinkInModule(*i, &err))
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42 {
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43 error("%s", err.c_str());
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44 fatal();
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45 }
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46 }
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47 }
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48
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49 //////////////////////////////////////////////////////////////////////////////
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50
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51 static llvm::sys::Path gExePath;
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52
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53 int linkExecutable(const char* argv0)
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54 {
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55 Logger::println("*** Linking executable ***");
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56
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57 // error string
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58 std::string errstr;
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59
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60 // find the llvm-ld program
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61 llvm::sys::Path ldpath = llvm::sys::Program::FindProgramByName("llvm-ld");
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62 if (ldpath.isEmpty())
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63 {
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64 ldpath.set("llvm-ld");
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65 }
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66
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67 // build arguments
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68 std::vector<const char*> args;
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69
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70 // first the program name ??
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71 args.push_back("llvm-ld");
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72
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73 // output filename
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74 std::string exestr;
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75 if (global.params.exefile)
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76 { // explicit
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77 exestr = global.params.exefile;
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78 }
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79 else
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80 { // inferred
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81 // try root module name
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82 if (Module::rootModule)
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83 exestr = Module::rootModule->toChars();
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84 else
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85 exestr = "a.out";
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86 }
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87 if (global.params.os == OSWindows && !(exestr.substr(exestr.length()-4) == ".exe"))
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88 exestr.append(".exe");
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89
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90 std::string outopt = "-o=" + exestr;
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91 args.push_back(outopt.c_str());
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92
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93 // set the global gExePath
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94 gExePath.set(exestr);
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95 assert(gExePath.isValid());
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96
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97 // create path to exe
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98 llvm::sys::Path exedir(gExePath);
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99 exedir.set(gExePath.getDirname());
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100 if (!exedir.exists())
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101 {
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102 exedir.createDirectoryOnDisk(true, &errstr);
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103 if (!errstr.empty())
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104 {
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105 error("failed to create path to linking output: %s\n%s", exedir.c_str(), errstr.c_str());
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106 fatal();
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107 }
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108 }
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109
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110 // strip debug info
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111 if (!global.params.symdebug)
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112 args.push_back("-strip-debug");
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113
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114 // optimization level
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115 if (!optimize())
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116 args.push_back("-disable-opt");
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117 else
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118 {
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119 const char* s = 0;
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120 switch(optLevel())
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121 {
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122 case 0:
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123 args.push_back("-disable-opt");
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124 break;
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125 case 1:
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diff changeset
126 args.push_back("-globaldce");
393
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diff changeset
127 args.push_back("-disable-opt");
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diff changeset
128 args.push_back("-globaldce");
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diff changeset
129 args.push_back("-mem2reg");
276
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130 case 2:
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lindquist
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131 case 3:
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lindquist
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132 case 4:
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lindquist
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133 case 5:
393
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diff changeset
134 // use default optimization
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diff changeset
135 break;
276
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diff changeset
136 default:
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137 assert(0);
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138 }
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139 }
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diff changeset
140
21f85bac0b1a [svn r297] Fixed: rewrote linker code to use LLVM's Program facilities instead of DMD's oldschool broken "native" approach.
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141 // inlining
1170
e40c65bd8c5d Allow specific optimization passes to be requested from the command line.
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diff changeset
142 if (!(global.params.useInline || doInline()))
276
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143 {
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144 args.push_back("-disable-inlining");
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145 }
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146
21f85bac0b1a [svn r297] Fixed: rewrote linker code to use LLVM's Program facilities instead of DMD's oldschool broken "native" approach.
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147 // additional linker switches
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148 for (int i = 0; i < global.params.linkswitches->dim; i++)
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149 {
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150 char *p = (char *)global.params.linkswitches->data[i];
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151 args.push_back(p);
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152 }
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153
21f85bac0b1a [svn r297] Fixed: rewrote linker code to use LLVM's Program facilities instead of DMD's oldschool broken "native" approach.
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154 // native please
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diff changeset
155 args.push_back("-native");
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156
21f85bac0b1a [svn r297] Fixed: rewrote linker code to use LLVM's Program facilities instead of DMD's oldschool broken "native" approach.
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diff changeset
157
21f85bac0b1a [svn r297] Fixed: rewrote linker code to use LLVM's Program facilities instead of DMD's oldschool broken "native" approach.
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158 // user libs
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159 for (int i = 0; i < global.params.libfiles->dim; i++)
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160 {
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161 char *p = (char *)global.params.libfiles->data[i];
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162 args.push_back(p);
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163 }
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164
21f85bac0b1a [svn r297] Fixed: rewrote linker code to use LLVM's Program facilities instead of DMD's oldschool broken "native" approach.
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165 // default libs
637
29dc68c949b0 Applied the FreeBSD patch from Ralith, closes ticket #95 , slightly changed but basically the same. Thanx Ralith :)
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diff changeset
166 switch(global.params.os) {
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diff changeset
167 case OSLinux:
29dc68c949b0 Applied the FreeBSD patch from Ralith, closes ticket #95 , slightly changed but basically the same. Thanx Ralith :)
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diff changeset
168 case OSMacOSX:
29dc68c949b0 Applied the FreeBSD patch from Ralith, closes ticket #95 , slightly changed but basically the same. Thanx Ralith :)
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diff changeset
169 args.push_back("-ldl");
29dc68c949b0 Applied the FreeBSD patch from Ralith, closes ticket #95 , slightly changed but basically the same. Thanx Ralith :)
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diff changeset
170 case OSFreeBSD:
376
6788e98ec1cd Do only link to libpthread, libm and libdl on Linux.
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diff changeset
171 args.push_back("-lpthread");
6788e98ec1cd Do only link to libpthread, libm and libdl on Linux.
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172 args.push_back("-lm");
637
29dc68c949b0 Applied the FreeBSD patch from Ralith, closes ticket #95 , slightly changed but basically the same. Thanx Ralith :)
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diff changeset
173 break;
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diff changeset
174
29dc68c949b0 Applied the FreeBSD patch from Ralith, closes ticket #95 , slightly changed but basically the same. Thanx Ralith :)
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diff changeset
175 case OSWindows:
393
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diff changeset
176 // FIXME: I'd assume kernel32 etc
637
29dc68c949b0 Applied the FreeBSD patch from Ralith, closes ticket #95 , slightly changed but basically the same. Thanx Ralith :)
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diff changeset
177 break;
393
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diff changeset
178 }
276
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179
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180 // object files
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181 for (int i = 0; i < global.params.objfiles->dim; i++)
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182 {
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diff changeset
183 char *p = (char *)global.params.objfiles->data[i];
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184 args.push_back(p);
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185 }
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186
21f85bac0b1a [svn r297] Fixed: rewrote linker code to use LLVM's Program facilities instead of DMD's oldschool broken "native" approach.
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diff changeset
187 // print link command?
986
a8cb25d478c4 Use LLVM-style command line (instead of DMD-style)
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diff changeset
188 if (!quiet || global.params.verbose)
276
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189 {
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diff changeset
190 // Print it
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diff changeset
191 for (int i = 0; i < args.size(); i++)
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diff changeset
192 printf("%s ", args[i]);
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diff changeset
193 printf("\n");
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diff changeset
194 fflush(stdout);
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195 }
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diff changeset
196
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diff changeset
197 // terminate args list
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diff changeset
198 args.push_back(NULL);
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199
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diff changeset
200 // try to call linker!!!
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diff changeset
201 if (int status = llvm::sys::Program::ExecuteAndWait(ldpath, &args[0], NULL, NULL, 0,0, &errstr))
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diff changeset
202 {
21f85bac0b1a [svn r297] Fixed: rewrote linker code to use LLVM's Program facilities instead of DMD's oldschool broken "native" approach.
lindquist
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diff changeset
203 error("linking failed:\nstatus: %d", status);
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diff changeset
204 if (!errstr.empty())
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diff changeset
205 error("message: %s", errstr.c_str());
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diff changeset
206 fatal();
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diff changeset
207 }
21f85bac0b1a [svn r297] Fixed: rewrote linker code to use LLVM's Program facilities instead of DMD's oldschool broken "native" approach.
lindquist
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diff changeset
208 }
277
90a8c798b0db [svn r298] Eliminated the dmd/link.c source file entirely in favor of a llvm::sys based approach to the same functionality.
lindquist
parents: 276
diff changeset
209
90a8c798b0db [svn r298] Eliminated the dmd/link.c source file entirely in favor of a llvm::sys based approach to the same functionality.
lindquist
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diff changeset
210 //////////////////////////////////////////////////////////////////////////////
90a8c798b0db [svn r298] Eliminated the dmd/link.c source file entirely in favor of a llvm::sys based approach to the same functionality.
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diff changeset
211
677
075c1272a01d Link using gcc instead.
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diff changeset
212 int linkObjToExecutable(const char* argv0)
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213 {
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214 Logger::println("*** Linking executable ***");
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215
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216 // error string
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217 std::string errstr;
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218
890
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diff changeset
219 const char *cc;
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diff changeset
220 #if !_WIN32
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diff changeset
221 cc = getenv("CC");
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diff changeset
222 if (!cc)
5a03f3f74615 Apply afb's patch from #168 to use $CC instead of "gcc" for toobj and linker.
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diff changeset
223 #endif
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diff changeset
224 cc = "gcc";
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225
677
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diff changeset
226 // find gcc for linking
890
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diff changeset
227 llvm::sys::Path gcc = llvm::sys::Program::FindProgramByName(cc);
677
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diff changeset
228 if (gcc.isEmpty())
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diff changeset
229 {
890
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diff changeset
230 gcc.set(cc);
677
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diff changeset
231 }
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diff changeset
232
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233 // build arguments
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diff changeset
234 std::vector<const char*> args;
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diff changeset
235
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diff changeset
236 // first the program name ??
890
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diff changeset
237 args.push_back(cc);
677
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diff changeset
238
681
ca4a816f2440 Another link order fix.
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diff changeset
239 // object files
ca4a816f2440 Another link order fix.
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parents: 677
diff changeset
240 for (int i = 0; i < global.params.objfiles->dim; i++)
ca4a816f2440 Another link order fix.
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parents: 677
diff changeset
241 {
ca4a816f2440 Another link order fix.
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diff changeset
242 char *p = (char *)global.params.objfiles->data[i];
ca4a816f2440 Another link order fix.
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diff changeset
243 args.push_back(p);
ca4a816f2440 Another link order fix.
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diff changeset
244 }
ca4a816f2440 Another link order fix.
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diff changeset
245
677
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diff changeset
246 // output filename
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diff changeset
247 std::string exestr;
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diff changeset
248 if (global.params.exefile)
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diff changeset
249 { // explicit
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diff changeset
250 exestr = global.params.exefile;
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251 }
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252 else
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diff changeset
253 { // inferred
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diff changeset
254 // try root module name
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diff changeset
255 if (Module::rootModule)
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diff changeset
256 exestr = Module::rootModule->toChars();
701
855e0ef78fa2 Guess exe name from first object name if none specified.
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diff changeset
257 else if (global.params.objfiles->dim)
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diff changeset
258 exestr = FileName::removeExt((char*)global.params.objfiles->data[0]);
677
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259 else
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260 exestr = "a.out";
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261 }
863
6c850977a941 modified gen/linker.cpp to only append .exe suffix on windows if not already present
elrood
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diff changeset
262 if (global.params.os == OSWindows && !(exestr.rfind(".exe") == exestr.length()-4))
677
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263 exestr.append(".exe");
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264
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diff changeset
265 args.push_back("-o");
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diff changeset
266 args.push_back(exestr.c_str());
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267
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268 // set the global gExePath
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269 gExePath.set(exestr);
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270 assert(gExePath.isValid());
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271
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272 // create path to exe
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273 llvm::sys::Path exedir(gExePath);
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274 exedir.set(gExePath.getDirname());
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275 if (!exedir.exists())
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276 {
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277 exedir.createDirectoryOnDisk(true, &errstr);
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278 if (!errstr.empty())
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279 {
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280 error("failed to create path to linking output: %s\n%s", exedir.c_str(), errstr.c_str());
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281 fatal();
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282 }
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283 }
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284
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285 // additional linker switches
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286 for (int i = 0; i < global.params.linkswitches->dim; i++)
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287 {
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288 char *p = (char *)global.params.linkswitches->data[i];
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diff changeset
289 args.push_back(p);
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290 }
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291
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292 // user libs
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293 for (int i = 0; i < global.params.libfiles->dim; i++)
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294 {
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295 char *p = (char *)global.params.libfiles->data[i];
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296 args.push_back(p);
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297 }
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298
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299 // default libs
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diff changeset
300 switch(global.params.os) {
900
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 890
diff changeset
301 case OSLinux:
677
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diff changeset
302 case OSMacOSX:
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diff changeset
303 args.push_back("-ldl");
900
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
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304 // fallthrough
677
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diff changeset
305 case OSFreeBSD:
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diff changeset
306 args.push_back("-lpthread");
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diff changeset
307 args.push_back("-lm");
075c1272a01d Link using gcc instead.
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diff changeset
308 break;
075c1272a01d Link using gcc instead.
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diff changeset
309
900
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 890
diff changeset
310 case OSSolaris:
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 890
diff changeset
311 args.push_back("-lm");
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 890
diff changeset
312 args.push_back("-lumem");
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 890
diff changeset
313 // solaris TODO
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 890
diff changeset
314 break;
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
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parents: 890
diff changeset
315
677
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diff changeset
316 case OSWindows:
075c1272a01d Link using gcc instead.
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diff changeset
317 // FIXME: I'd assume kernel32 etc
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diff changeset
318 break;
075c1272a01d Link using gcc instead.
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diff changeset
319 }
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diff changeset
320
902
893d72ab95d0 Add -m64 switch to gcc calls on 64-bit platforms.
Christian Kamm <kamm incasoftware de>
parents: 900
diff changeset
321 //FIXME: enforce 64 bit
893d72ab95d0 Add -m64 switch to gcc calls on 64-bit platforms.
Christian Kamm <kamm incasoftware de>
parents: 900
diff changeset
322 if (global.params.is64bit)
893d72ab95d0 Add -m64 switch to gcc calls on 64-bit platforms.
Christian Kamm <kamm incasoftware de>
parents: 900
diff changeset
323 args.push_back("-m64");
1026
f756c47f310a Pass -m32/-m64 on to gcc when assembling and linking
Frits van Bommel <fvbommel wxs.nl>
parents: 994
diff changeset
324 else
f756c47f310a Pass -m32/-m64 on to gcc when assembling and linking
Frits van Bommel <fvbommel wxs.nl>
parents: 994
diff changeset
325 // Assume 32-bit?
f756c47f310a Pass -m32/-m64 on to gcc when assembling and linking
Frits van Bommel <fvbommel wxs.nl>
parents: 994
diff changeset
326 args.push_back("-m32");
902
893d72ab95d0 Add -m64 switch to gcc calls on 64-bit platforms.
Christian Kamm <kamm incasoftware de>
parents: 900
diff changeset
327
677
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diff changeset
328 // print link command?
986
a8cb25d478c4 Use LLVM-style command line (instead of DMD-style)
Frits van Bommel <fvbommel wxs.nl>
parents: 902
diff changeset
329 if (!quiet || global.params.verbose)
677
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330 {
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diff changeset
331 // Print it
075c1272a01d Link using gcc instead.
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diff changeset
332 for (int i = 0; i < args.size(); i++)
075c1272a01d Link using gcc instead.
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diff changeset
333 printf("%s ", args[i]);
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diff changeset
334 printf("\n");
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diff changeset
335 fflush(stdout);
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diff changeset
336 }
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diff changeset
337
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diff changeset
338 Logger::println("Linking with: ");
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diff changeset
339 std::vector<const char*>::const_iterator I = args.begin(), E = args.end();
994
18ad5601dff7 Use LLVM OStream wrapper instead of <iostream> in the logger.
Frits van Bommel <fvbommel wxs.nl>
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diff changeset
340 llvm::OStream logstr = Logger::cout();
677
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diff changeset
341 for (; I != E; ++I)
075c1272a01d Link using gcc instead.
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diff changeset
342 if (*I)
075c1272a01d Link using gcc instead.
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343 logstr << "'" << *I << "'" << " ";
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344 logstr << "\n" << std::flush;
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345
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346
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diff changeset
347 // terminate args list
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348 args.push_back(NULL);
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349
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diff changeset
350 // try to call linker!!!
075c1272a01d Link using gcc instead.
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diff changeset
351 if (int status = llvm::sys::Program::ExecuteAndWait(gcc, &args[0], NULL, NULL, 0,0, &errstr))
075c1272a01d Link using gcc instead.
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352 {
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diff changeset
353 error("linking failed:\nstatus: %d", status);
075c1272a01d Link using gcc instead.
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diff changeset
354 if (!errstr.empty())
075c1272a01d Link using gcc instead.
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diff changeset
355 error("message: %s", errstr.c_str());
075c1272a01d Link using gcc instead.
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diff changeset
356 fatal();
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diff changeset
357 }
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diff changeset
358 }
075c1272a01d Link using gcc instead.
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359
075c1272a01d Link using gcc instead.
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diff changeset
360 //////////////////////////////////////////////////////////////////////////////
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361
277
90a8c798b0db [svn r298] Eliminated the dmd/link.c source file entirely in favor of a llvm::sys based approach to the same functionality.
lindquist
parents: 276
diff changeset
362 void deleteExecutable()
90a8c798b0db [svn r298] Eliminated the dmd/link.c source file entirely in favor of a llvm::sys based approach to the same functionality.
lindquist
parents: 276
diff changeset
363 {
90a8c798b0db [svn r298] Eliminated the dmd/link.c source file entirely in favor of a llvm::sys based approach to the same functionality.
lindquist
parents: 276
diff changeset
364 if (!gExePath.isEmpty())
90a8c798b0db [svn r298] Eliminated the dmd/link.c source file entirely in favor of a llvm::sys based approach to the same functionality.
lindquist
parents: 276
diff changeset
365 {
90a8c798b0db [svn r298] Eliminated the dmd/link.c source file entirely in favor of a llvm::sys based approach to the same functionality.
lindquist
parents: 276
diff changeset
366 assert(gExePath.isValid());
90a8c798b0db [svn r298] Eliminated the dmd/link.c source file entirely in favor of a llvm::sys based approach to the same functionality.
lindquist
parents: 276
diff changeset
367 assert(!gExePath.isDirectory());
90a8c798b0db [svn r298] Eliminated the dmd/link.c source file entirely in favor of a llvm::sys based approach to the same functionality.
lindquist
parents: 276
diff changeset
368 gExePath.eraseFromDisk(false);
90a8c798b0db [svn r298] Eliminated the dmd/link.c source file entirely in favor of a llvm::sys based approach to the same functionality.
lindquist
parents: 276
diff changeset
369 }
90a8c798b0db [svn r298] Eliminated the dmd/link.c source file entirely in favor of a llvm::sys based approach to the same functionality.
lindquist
parents: 276
diff changeset
370 }
90a8c798b0db [svn r298] Eliminated the dmd/link.c source file entirely in favor of a llvm::sys based approach to the same functionality.
lindquist
parents: 276
diff changeset
371
90a8c798b0db [svn r298] Eliminated the dmd/link.c source file entirely in favor of a llvm::sys based approach to the same functionality.
lindquist
parents: 276
diff changeset
372 //////////////////////////////////////////////////////////////////////////////
90a8c798b0db [svn r298] Eliminated the dmd/link.c source file entirely in favor of a llvm::sys based approach to the same functionality.
lindquist
parents: 276
diff changeset
373
90a8c798b0db [svn r298] Eliminated the dmd/link.c source file entirely in favor of a llvm::sys based approach to the same functionality.
lindquist
parents: 276
diff changeset
374 int runExectuable()
90a8c798b0db [svn r298] Eliminated the dmd/link.c source file entirely in favor of a llvm::sys based approach to the same functionality.
lindquist
parents: 276
diff changeset
375 {
90a8c798b0db [svn r298] Eliminated the dmd/link.c source file entirely in favor of a llvm::sys based approach to the same functionality.
lindquist
parents: 276
diff changeset
376 assert(!gExePath.isEmpty());
90a8c798b0db [svn r298] Eliminated the dmd/link.c source file entirely in favor of a llvm::sys based approach to the same functionality.
lindquist
parents: 276
diff changeset
377 assert(gExePath.isValid());
90a8c798b0db [svn r298] Eliminated the dmd/link.c source file entirely in favor of a llvm::sys based approach to the same functionality.
lindquist
parents: 276
diff changeset
378
90a8c798b0db [svn r298] Eliminated the dmd/link.c source file entirely in favor of a llvm::sys based approach to the same functionality.
lindquist
parents: 276
diff changeset
379 // build arguments
90a8c798b0db [svn r298] Eliminated the dmd/link.c source file entirely in favor of a llvm::sys based approach to the same functionality.
lindquist
parents: 276
diff changeset
380 std::vector<const char*> args;
986
a8cb25d478c4 Use LLVM-style command line (instead of DMD-style)
Frits van Bommel <fvbommel wxs.nl>
parents: 902
diff changeset
381 // args[0] should be the name of the executable
a8cb25d478c4 Use LLVM-style command line (instead of DMD-style)
Frits van Bommel <fvbommel wxs.nl>
parents: 902
diff changeset
382 args.push_back(gExePath.toString().c_str());
a8cb25d478c4 Use LLVM-style command line (instead of DMD-style)
Frits van Bommel <fvbommel wxs.nl>
parents: 902
diff changeset
383 // Skip first argument to -run; it's a D source file.
a8cb25d478c4 Use LLVM-style command line (instead of DMD-style)
Frits van Bommel <fvbommel wxs.nl>
parents: 902
diff changeset
384 for (size_t i = 1, length = opts::runargs.size(); i < length; i++)
277
90a8c798b0db [svn r298] Eliminated the dmd/link.c source file entirely in favor of a llvm::sys based approach to the same functionality.
lindquist
parents: 276
diff changeset
385 {
986
a8cb25d478c4 Use LLVM-style command line (instead of DMD-style)
Frits van Bommel <fvbommel wxs.nl>
parents: 902
diff changeset
386 args.push_back(opts::runargs[i].c_str());
277
90a8c798b0db [svn r298] Eliminated the dmd/link.c source file entirely in favor of a llvm::sys based approach to the same functionality.
lindquist
parents: 276
diff changeset
387 }
90a8c798b0db [svn r298] Eliminated the dmd/link.c source file entirely in favor of a llvm::sys based approach to the same functionality.
lindquist
parents: 276
diff changeset
388 // terminate args list
90a8c798b0db [svn r298] Eliminated the dmd/link.c source file entirely in favor of a llvm::sys based approach to the same functionality.
lindquist
parents: 276
diff changeset
389 args.push_back(NULL);
90a8c798b0db [svn r298] Eliminated the dmd/link.c source file entirely in favor of a llvm::sys based approach to the same functionality.
lindquist
parents: 276
diff changeset
390
90a8c798b0db [svn r298] Eliminated the dmd/link.c source file entirely in favor of a llvm::sys based approach to the same functionality.
lindquist
parents: 276
diff changeset
391 // try to call linker!!!
90a8c798b0db [svn r298] Eliminated the dmd/link.c source file entirely in favor of a llvm::sys based approach to the same functionality.
lindquist
parents: 276
diff changeset
392 std::string errstr;
90a8c798b0db [svn r298] Eliminated the dmd/link.c source file entirely in favor of a llvm::sys based approach to the same functionality.
lindquist
parents: 276
diff changeset
393 int status = llvm::sys::Program::ExecuteAndWait(gExePath, &args[0], NULL, NULL, 0,0, &errstr);
90a8c798b0db [svn r298] Eliminated the dmd/link.c source file entirely in favor of a llvm::sys based approach to the same functionality.
lindquist
parents: 276
diff changeset
394 if (!errstr.empty())
90a8c798b0db [svn r298] Eliminated the dmd/link.c source file entirely in favor of a llvm::sys based approach to the same functionality.
lindquist
parents: 276
diff changeset
395 {
90a8c798b0db [svn r298] Eliminated the dmd/link.c source file entirely in favor of a llvm::sys based approach to the same functionality.
lindquist
parents: 276
diff changeset
396 error("failed to execute program");
90a8c798b0db [svn r298] Eliminated the dmd/link.c source file entirely in favor of a llvm::sys based approach to the same functionality.
lindquist
parents: 276
diff changeset
397 if (!errstr.empty())
90a8c798b0db [svn r298] Eliminated the dmd/link.c source file entirely in favor of a llvm::sys based approach to the same functionality.
lindquist
parents: 276
diff changeset
398 error("error message: %s", errstr.c_str());
90a8c798b0db [svn r298] Eliminated the dmd/link.c source file entirely in favor of a llvm::sys based approach to the same functionality.
lindquist
parents: 276
diff changeset
399 fatal();
90a8c798b0db [svn r298] Eliminated the dmd/link.c source file entirely in favor of a llvm::sys based approach to the same functionality.
lindquist
parents: 276
diff changeset
400 }
278
30941d8ee320 [svn r299] forgot to return status in runExecutable
lindquist
parents: 277
diff changeset
401 return status;
277
90a8c798b0db [svn r298] Eliminated the dmd/link.c source file entirely in favor of a llvm::sys based approach to the same functionality.
lindquist
parents: 276
diff changeset
402 }