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annotate gen/linker.cpp @ 1404:11b122f92136

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Now that templates instantiations are no longer emitted for all modules that even blink at them they seem to break due to being linkonce (if compiled with any optimization level > 0), so let's give them weak linkage instead. The difference is that unreferenced linkonce symbols can be deleted, while weak symbols need to be preserved.
author Frits van Bommel <fvbommel wxs.nl>
date Thu, 21 May 2009 15:23:28 +0200
parents 2bebd938548f
children 2292878925f4
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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 #include "gen/programs.h"
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19 //////////////////////////////////////////////////////////////////////////////
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20
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21 // Is this useful?
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22 llvm::cl::opt<bool> quiet("quiet",
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23 llvm::cl::desc("Suppress output of link command (unless -v is also passed)"),
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24 llvm::cl::Hidden,
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25 llvm::cl::ZeroOrMore,
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26 llvm::cl::init(true));
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27
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28 //////////////////////////////////////////////////////////////////////////////
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29
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30 typedef std::vector<llvm::Module*> Module_vector;
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31
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32 void linkModules(llvm::Module* dst, const Module_vector& MV)
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33 {
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34 if (MV.empty())
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35 return;
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36
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37 llvm::Linker linker("ldc", dst);
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38
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39 std::string err;
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40 for (Module_vector::const_iterator i=MV.begin(); i!=MV.end(); ++i)
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41 {
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42 if (!linker.LinkInModule(*i, &err))
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43 {
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44 error("%s", err.c_str());
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45 fatal();
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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
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52 static llvm::sys::Path gExePath;
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53
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54 int linkExecutable(const char* argv0)
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55 {
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56 Logger::println("*** Linking executable ***");
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57
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58 // error string
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59 std::string errstr;
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60
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61 // find the llvm-ld program
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62 llvm::sys::Path ldpath = llvm::sys::Program::FindProgramByName("llvm-ld");
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63 if (ldpath.isEmpty())
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64 {
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65 ldpath.set("llvm-ld");
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66 }
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67
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68 // build arguments
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69 std::vector<const char*> args;
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70
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71 // first the program name ??
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72 args.push_back("llvm-ld");
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73
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74 // output filename
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75 std::string exestr;
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76 if (global.params.exefile)
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77 { // explicit
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78 exestr = global.params.exefile;
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79 }
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80 else
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81 { // inferred
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82 // try root module name
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83 if (Module::rootModule)
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84 exestr = Module::rootModule->toChars();
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85 else
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86 exestr = "a.out";
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87 }
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88 if (global.params.os == OSWindows && !(exestr.substr(exestr.length()-4) == ".exe"))
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89 exestr.append(".exe");
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90
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91 std::string outopt = "-o=" + exestr;
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92 args.push_back(outopt.c_str());
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93
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94 // set the global gExePath
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95 gExePath.set(exestr);
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96 assert(gExePath.isValid());
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97
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98 // create path to exe
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99 llvm::sys::Path exedir(gExePath);
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100 exedir.set(gExePath.getDirname());
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101 if (!exedir.exists())
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102 {
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103 exedir.createDirectoryOnDisk(true, &errstr);
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104 if (!errstr.empty())
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105 {
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106 error("failed to create path to linking output: %s\n%s", exedir.c_str(), errstr.c_str());
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107 fatal();
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108 }
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109 }
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110
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111 // strip debug info
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112 if (!global.params.symdebug)
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113 args.push_back("-strip-debug");
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114
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115 // optimization level
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116 if (!optimize())
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117 args.push_back("-disable-opt");
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118 else
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119 {
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120 const char* s = 0;
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121 switch(optLevel())
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122 {
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123 case 0:
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124 args.push_back("-disable-opt");
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125 break;
276
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parents: 244
diff changeset
126 case 1:
1171
461a85f0db31 Change meaning of optimization levels: -O0 now means 'no optimization' like with
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diff changeset
127 args.push_back("-globaldce");
393
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diff changeset
128 args.push_back("-disable-opt");
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diff changeset
129 args.push_back("-globaldce");
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diff changeset
130 args.push_back("-mem2reg");
276
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lindquist
parents: 244
diff changeset
131 case 2:
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lindquist
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diff changeset
132 case 3:
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lindquist
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diff changeset
133 case 4:
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lindquist
parents: 244
diff changeset
134 case 5:
393
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diff changeset
135 // use default optimization
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diff changeset
136 break;
276
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lindquist
parents: 244
diff changeset
137 default:
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lindquist
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diff changeset
138 assert(0);
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parents: 244
diff changeset
139 }
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
140 }
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
141
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
142 // inlining
1170
e40c65bd8c5d Allow specific optimization passes to be requested from the command line.
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diff changeset
143 if (!(global.params.useInline || doInline()))
276
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parents: 244
diff changeset
144 {
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
145 args.push_back("-disable-inlining");
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lindquist
parents: 244
diff changeset
146 }
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lindquist
parents: 244
diff changeset
147
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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148 // additional linker switches
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diff changeset
149 for (int i = 0; i < global.params.linkswitches->dim; i++)
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diff changeset
150 {
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
151 char *p = (char *)global.params.linkswitches->data[i];
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diff changeset
152 args.push_back(p);
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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.
lindquist
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diff changeset
154
21f85bac0b1a [svn r297] Fixed: rewrote linker code to use LLVM's Program facilities instead of DMD's oldschool broken "native" approach.
lindquist
parents: 244
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155 // native please
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diff changeset
156 args.push_back("-native");
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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.
lindquist
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diff changeset
158
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
159 // user libs
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diff changeset
160 for (int i = 0; i < global.params.libfiles->dim; i++)
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lindquist
parents: 244
diff changeset
161 {
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
162 char *p = (char *)global.params.libfiles->data[i];
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diff changeset
163 args.push_back(p);
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lindquist
parents: 244
diff changeset
164 }
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diff changeset
165
21f85bac0b1a [svn r297] Fixed: rewrote linker code to use LLVM's Program facilities instead of DMD's oldschool broken "native" approach.
lindquist
parents: 244
diff changeset
166 // 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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parents: 567
diff changeset
167 switch(global.params.os) {
29dc68c949b0 Applied the FreeBSD patch from Ralith, closes ticket #95 , slightly changed but basically the same. Thanx Ralith :)
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parents: 567
diff changeset
168 case OSLinux:
29dc68c949b0 Applied the FreeBSD patch from Ralith, closes ticket #95 , slightly changed but basically the same. Thanx Ralith :)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 567
diff changeset
169 case OSMacOSX:
29dc68c949b0 Applied the FreeBSD patch from Ralith, closes ticket #95 , slightly changed but basically the same. Thanx Ralith :)
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parents: 567
diff changeset
170 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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parents: 567
diff changeset
171 case OSFreeBSD:
376
6788e98ec1cd Do only link to libpthread, libm and libdl on Linux.
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parents: 325
diff changeset
172 args.push_back("-lpthread");
6788e98ec1cd Do only link to libpthread, libm and libdl on Linux.
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parents: 325
diff changeset
173 args.push_back("-lm");
637
29dc68c949b0 Applied the FreeBSD patch from Ralith, closes ticket #95 , slightly changed but basically the same. Thanx Ralith :)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 567
diff changeset
174 break;
29dc68c949b0 Applied the FreeBSD patch from Ralith, closes ticket #95 , slightly changed but basically the same. Thanx Ralith :)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 567
diff changeset
175
29dc68c949b0 Applied the FreeBSD patch from Ralith, closes ticket #95 , slightly changed but basically the same. Thanx Ralith :)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 567
diff changeset
176 case OSWindows:
393
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parents: 376
diff changeset
177 // 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 :)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 567
diff changeset
178 break;
393
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diff changeset
179 }
276
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diff changeset
180
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lindquist
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diff changeset
181 // object files
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
182 for (int i = 0; i < global.params.objfiles->dim; i++)
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
183 {
21f85bac0b1a [svn r297] Fixed: rewrote linker code to use LLVM's Program facilities instead of DMD's oldschool broken "native" approach.
lindquist
parents: 244
diff changeset
184 char *p = (char *)global.params.objfiles->data[i];
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parents: 244
diff changeset
185 args.push_back(p);
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lindquist
parents: 244
diff changeset
186 }
21f85bac0b1a [svn r297] Fixed: rewrote linker code to use LLVM's Program facilities instead of DMD's oldschool broken "native" approach.
lindquist
parents: 244
diff changeset
187
21f85bac0b1a [svn r297] Fixed: rewrote linker code to use LLVM's Program facilities instead of DMD's oldschool broken "native" approach.
lindquist
parents: 244
diff changeset
188 // print link command?
986
a8cb25d478c4 Use LLVM-style command line (instead of DMD-style)
Frits van Bommel <fvbommel wxs.nl>
parents: 902
diff changeset
189 if (!quiet || global.params.verbose)
276
21f85bac0b1a [svn r297] Fixed: rewrote linker code to use LLVM's Program facilities instead of DMD's oldschool broken "native" approach.
lindquist
parents: 244
diff changeset
190 {
21f85bac0b1a [svn r297] Fixed: rewrote linker code to use LLVM's Program facilities instead of DMD's oldschool broken "native" approach.
lindquist
parents: 244
diff changeset
191 // Print it
21f85bac0b1a [svn r297] Fixed: rewrote linker code to use LLVM's Program facilities instead of DMD's oldschool broken "native" approach.
lindquist
parents: 244
diff changeset
192 for (int i = 0; i < args.size(); i++)
21f85bac0b1a [svn r297] Fixed: rewrote linker code to use LLVM's Program facilities instead of DMD's oldschool broken "native" approach.
lindquist
parents: 244
diff changeset
193 printf("%s ", args[i]);
21f85bac0b1a [svn r297] Fixed: rewrote linker code to use LLVM's Program facilities instead of DMD's oldschool broken "native" approach.
lindquist
parents: 244
diff changeset
194 printf("\n");
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lindquist
parents: 244
diff changeset
195 fflush(stdout);
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lindquist
parents: 244
diff changeset
196 }
21f85bac0b1a [svn r297] Fixed: rewrote linker code to use LLVM's Program facilities instead of DMD's oldschool broken "native" approach.
lindquist
parents: 244
diff changeset
197
21f85bac0b1a [svn r297] Fixed: rewrote linker code to use LLVM's Program facilities instead of DMD's oldschool broken "native" approach.
lindquist
parents: 244
diff changeset
198 // terminate args list
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parents: 244
diff changeset
199 args.push_back(NULL);
21f85bac0b1a [svn r297] Fixed: rewrote linker code to use LLVM's Program facilities instead of DMD's oldschool broken "native" approach.
lindquist
parents: 244
diff changeset
200
21f85bac0b1a [svn r297] Fixed: rewrote linker code to use LLVM's Program facilities instead of DMD's oldschool broken "native" approach.
lindquist
parents: 244
diff changeset
201 // try to call linker!!!
21f85bac0b1a [svn r297] Fixed: rewrote linker code to use LLVM's Program facilities instead of DMD's oldschool broken "native" approach.
lindquist
parents: 244
diff changeset
202 if (int status = llvm::sys::Program::ExecuteAndWait(ldpath, &args[0], NULL, NULL, 0,0, &errstr))
21f85bac0b1a [svn r297] Fixed: rewrote linker code to use LLVM's Program facilities instead of DMD's oldschool broken "native" approach.
lindquist
parents: 244
diff changeset
203 {
21f85bac0b1a [svn r297] Fixed: rewrote linker code to use LLVM's Program facilities instead of DMD's oldschool broken "native" approach.
lindquist
parents: 244
diff changeset
204 error("linking failed:\nstatus: %d", status);
21f85bac0b1a [svn r297] Fixed: rewrote linker code to use LLVM's Program facilities instead of DMD's oldschool broken "native" approach.
lindquist
parents: 244
diff changeset
205 if (!errstr.empty())
21f85bac0b1a [svn r297] Fixed: rewrote linker code to use LLVM's Program facilities instead of DMD's oldschool broken "native" approach.
lindquist
parents: 244
diff changeset
206 error("message: %s", errstr.c_str());
21f85bac0b1a [svn r297] Fixed: rewrote linker code to use LLVM's Program facilities instead of DMD's oldschool broken "native" approach.
lindquist
parents: 244
diff changeset
207 fatal();
21f85bac0b1a [svn r297] Fixed: rewrote linker code to use LLVM's Program facilities instead of DMD's oldschool broken "native" approach.
lindquist
parents: 244
diff changeset
208 }
21f85bac0b1a [svn r297] Fixed: rewrote linker code to use LLVM's Program facilities instead of DMD's oldschool broken "native" approach.
lindquist
parents: 244
diff changeset
209 }
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
210
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
211 //////////////////////////////////////////////////////////////////////////////
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
212
677
075c1272a01d Link using gcc instead.
Christian Kamm <kamm incasoftware de>
parents: 663
diff changeset
213 int linkObjToExecutable(const char* argv0)
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parents: 663
diff changeset
214 {
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parents: 663
diff changeset
215 Logger::println("*** Linking executable ***");
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diff changeset
216
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diff changeset
217 // error string
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diff changeset
218 std::string errstr;
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diff changeset
219
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diff changeset
220 // find gcc for linking
1299
847b767b2d0b Factor out the code to find gcc, and add a command-line option to override the
Frits van Bommel <fvbommel wxs.nl>
parents: 1171
diff changeset
221 llvm::sys::Path gcc = getGcc();
847b767b2d0b Factor out the code to find gcc, and add a command-line option to override the
Frits van Bommel <fvbommel wxs.nl>
parents: 1171
diff changeset
222 // get a string version for argv[0]
847b767b2d0b Factor out the code to find gcc, and add a command-line option to override the
Frits van Bommel <fvbommel wxs.nl>
parents: 1171
diff changeset
223 std::string gccStr = gcc.toString();
677
075c1272a01d Link using gcc instead.
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parents: 663
diff changeset
224
075c1272a01d Link using gcc instead.
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parents: 663
diff changeset
225 // build arguments
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parents: 663
diff changeset
226 std::vector<const char*> args;
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diff changeset
227
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diff changeset
228 // first the program name ??
1299
847b767b2d0b Factor out the code to find gcc, and add a command-line option to override the
Frits van Bommel <fvbommel wxs.nl>
parents: 1171
diff changeset
229 args.push_back(gccStr.c_str());
677
075c1272a01d Link using gcc instead.
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parents: 663
diff changeset
230
681
ca4a816f2440 Another link order fix.
Christian Kamm <kamm incasoftware de>
parents: 677
diff changeset
231 // object files
ca4a816f2440 Another link order fix.
Christian Kamm <kamm incasoftware de>
parents: 677
diff changeset
232 for (int i = 0; i < global.params.objfiles->dim; i++)
ca4a816f2440 Another link order fix.
Christian Kamm <kamm incasoftware de>
parents: 677
diff changeset
233 {
ca4a816f2440 Another link order fix.
Christian Kamm <kamm incasoftware de>
parents: 677
diff changeset
234 char *p = (char *)global.params.objfiles->data[i];
ca4a816f2440 Another link order fix.
Christian Kamm <kamm incasoftware de>
parents: 677
diff changeset
235 args.push_back(p);
ca4a816f2440 Another link order fix.
Christian Kamm <kamm incasoftware de>
parents: 677
diff changeset
236 }
ca4a816f2440 Another link order fix.
Christian Kamm <kamm incasoftware de>
parents: 677
diff changeset
237
677
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parents: 663
diff changeset
238 // output filename
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parents: 663
diff changeset
239 std::string exestr;
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diff changeset
240 if (global.params.exefile)
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parents: 663
diff changeset
241 { // explicit
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diff changeset
242 exestr = global.params.exefile;
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parents: 663
diff changeset
243 }
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parents: 663
diff changeset
244 else
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parents: 663
diff changeset
245 { // inferred
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parents: 663
diff changeset
246 // try root module name
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parents: 663
diff changeset
247 if (Module::rootModule)
075c1272a01d Link using gcc instead.
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parents: 663
diff changeset
248 exestr = Module::rootModule->toChars();
701
855e0ef78fa2 Guess exe name from first object name if none specified.
Christian Kamm <kamm incasoftware de>
parents: 681
diff changeset
249 else if (global.params.objfiles->dim)
855e0ef78fa2 Guess exe name from first object name if none specified.
Christian Kamm <kamm incasoftware de>
parents: 681
diff changeset
250 exestr = FileName::removeExt((char*)global.params.objfiles->data[0]);
677
075c1272a01d Link using gcc instead.
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parents: 663
diff changeset
251 else
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parents: 663
diff changeset
252 exestr = "a.out";
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parents: 663
diff changeset
253 }
863
6c850977a941 modified gen/linker.cpp to only append .exe suffix on windows if not already present
elrood
parents: 701
diff changeset
254 if (global.params.os == OSWindows && !(exestr.rfind(".exe") == exestr.length()-4))
677
075c1272a01d Link using gcc instead.
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parents: 663
diff changeset
255 exestr.append(".exe");
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parents: 663
diff changeset
256
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257 args.push_back("-o");
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258 args.push_back(exestr.c_str());
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259
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260 // set the global gExePath
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261 gExePath.set(exestr);
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262 assert(gExePath.isValid());
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263
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264 // create path to exe
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265 llvm::sys::Path exedir(gExePath);
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266 exedir.set(gExePath.getDirname());
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267 if (!exedir.exists())
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268 {
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269 exedir.createDirectoryOnDisk(true, &errstr);
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270 if (!errstr.empty())
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271 {
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272 error("failed to create path to linking output: %s\n%s", exedir.c_str(), errstr.c_str());
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273 fatal();
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274 }
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275 }
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276
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277 // additional linker switches
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278 for (int i = 0; i < global.params.linkswitches->dim; i++)
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279 {
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280 char *p = (char *)global.params.linkswitches->data[i];
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281 args.push_back(p);
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282 }
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283
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284 // user libs
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285 for (int i = 0; i < global.params.libfiles->dim; i++)
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286 {
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287 char *p = (char *)global.params.libfiles->data[i];
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288 args.push_back(p);
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289 }
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290
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291 // default libs
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292 switch(global.params.os) {
900
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
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293 case OSLinux:
677
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294 case OSMacOSX:
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295 args.push_back("-ldl");
900
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
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296 // fallthrough
677
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297 case OSFreeBSD:
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298 args.push_back("-lpthread");
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299 args.push_back("-lm");
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300 break;
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301
900
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
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diff changeset
302 case OSSolaris:
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
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303 args.push_back("-lm");
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
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304 args.push_back("-lumem");
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
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305 // solaris TODO
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
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306 break;
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307
677
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diff changeset
308 case OSWindows:
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309 // FIXME: I'd assume kernel32 etc
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310 break;
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311 }
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312
902
893d72ab95d0 Add -m64 switch to gcc calls on 64-bit platforms.
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parents: 900
diff changeset
313 //FIXME: enforce 64 bit
893d72ab95d0 Add -m64 switch to gcc calls on 64-bit platforms.
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314 if (global.params.is64bit)
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diff changeset
315 args.push_back("-m64");
1026
f756c47f310a Pass -m32/-m64 on to gcc when assembling and linking
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316 else
f756c47f310a Pass -m32/-m64 on to gcc when assembling and linking
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317 // Assume 32-bit?
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318 args.push_back("-m32");
902
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parents: 900
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319
677
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320 // print link command?
986
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parents: 902
diff changeset
321 if (!quiet || global.params.verbose)
677
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322 {
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323 // Print it
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324 for (int i = 0; i < args.size(); i++)
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325 printf("%s ", args[i]);
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326 printf("\n");
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327 fflush(stdout);
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328 }
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329
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330 Logger::println("Linking with: ");
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331 std::vector<const char*>::const_iterator I = args.begin(), E = args.end();
994
18ad5601dff7 Use LLVM OStream wrapper instead of <iostream> in the logger.
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diff changeset
332 llvm::OStream logstr = Logger::cout();
677
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333 for (; I != E; ++I)
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334 if (*I)
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335 logstr << "'" << *I << "'" << " ";
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336 logstr << "\n" << std::flush;
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337
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338
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339 // terminate args list
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340 args.push_back(NULL);
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341
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342 // try to call linker!!!
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343 if (int status = llvm::sys::Program::ExecuteAndWait(gcc, &args[0], NULL, NULL, 0,0, &errstr))
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344 {
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345 error("linking failed:\nstatus: %d", status);
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346 if (!errstr.empty())
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347 error("message: %s", errstr.c_str());
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348 fatal();
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349 }
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350 }
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351
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352 //////////////////////////////////////////////////////////////////////////////
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353
277
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354 void deleteExecutable()
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355 {
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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356 if (!gExePath.isEmpty())
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357 {
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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358 assert(gExePath.isValid());
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359 assert(!gExePath.isDirectory());
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360 gExePath.eraseFromDisk(false);
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lindquist
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diff changeset
361 }
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 }
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
363
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
364 //////////////////////////////////////////////////////////////////////////////
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365
1313
2bebd938548f Fix typo in function name
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diff changeset
366 int runExecutable()
277
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
367 {
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
368 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
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diff changeset
369 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
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
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diff changeset
371 // 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.
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diff changeset
372 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
373 // args[0] should be the name of the executable
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diff changeset
374 args.push_back(gExePath.toString().c_str());
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diff changeset
375 // Skip first argument to -run; it's a D source file.
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diff changeset
376 for (size_t i = 1, length = opts::runargs.size(); i < length; i++)
277
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diff changeset
377 {
986
a8cb25d478c4 Use LLVM-style command line (instead of DMD-style)
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parents: 902
diff changeset
378 args.push_back(opts::runargs[i].c_str());
277
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diff changeset
379 }
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
380 // 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.
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diff changeset
381 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.
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diff changeset
382
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diff changeset
383 // 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
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diff changeset
384 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.
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diff changeset
385 int status = llvm::sys::Program::ExecuteAndWait(gExePath, &args[0], NULL, NULL, 0,0, &errstr);
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lindquist
parents: 276
diff changeset
386 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
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
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diff changeset
388 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
389 if (!errstr.empty())
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lindquist
parents: 276
diff changeset
390 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
391 fatal();
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
392 }
278
30941d8ee320 [svn r299] forgot to return status in runExecutable
lindquist
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diff changeset
393 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.
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diff changeset
394 }