source/mingwdlltool.cpp

   1 #include <cstdlib>
   2 #include <msp/fs/utils.h>
   3 #include <msp/strings/format.h>
   4 #include "architecture.h"
   5 #include "builder.h"
   6 #include "component.h"
   7 #include "exportdefinitions.h"
   8 #include "externaltask.h"
   9 #include "importlibrary.h"
  10 #include "installedfile.h"
  11 #include "mingwdlltool.h"
  12 #include "objectfile.h"
  13 #include "sharedlibrary.h"
  14 #include "sourcepackage.h"
  15
  16 using namespace std;
  17 using namespace Msp;
  18
  19 MingwDllTool::MingwDllTool(Builder &b, const Architecture &a):
  20         Tool(b, a, "DLL")
  21 {
  22         string command = "dlltool";
  23         if(architecture->is_cross())
  24                 command = format("%s-%s", architecture->get_cross_prefix(), command);
  25         executable = builder.get_vfs().find_binary(command);
  26 }
  27
  28 Target *MingwDllTool::create_target(const list<Target *> &sources, const string &) const
  29 {
  30         if(sources.size()!=1)
  31                 throw invalid_argument("MingwDllTool::create_target");
  32         SharedLibrary &shlib = dynamic_cast<SharedLibrary &>(*sources.front());
  33
  34         list<ObjectFile *> objs;
  35         const Target::Dependencies &depends = shlib.get_dependencies();
  36         for(Target::Dependencies::const_iterator i=depends.begin(); i!=depends.end(); ++i)
  37                 if(ObjectFile *obj = dynamic_cast<ObjectFile *>(*i))
  38                         objs.push_back(obj);
  39
  40         ExportDefinitions *exp = new ExportDefinitions(builder, *shlib.get_component(), objs);
  41         exp->set_tool(*this);
  42
  43         ImportLibrary *imp = new ImportLibrary(builder, *shlib.get_component(), shlib, *exp);
  44         imp->set_tool(*this);
  45
  46         return imp;
  47 }
  48
  49 Target *MingwDllTool::create_install(Target &target) const
  50 {
  51         if(ImportLibrary *imp = dynamic_cast<ImportLibrary *>(&target))
  52         {
  53                 const Tool &copy = builder.get_toolchain().get_tool("CP");
  54                 InstalledFile *inst_tgt = dynamic_cast<InstalledFile *>(copy.create_target(target));
  55                 string link_name = format("lib%s.dll.a", imp->get_shared_library()->get_libname());
  56                 if(link_name!=FS::basename(inst_tgt->get_path()))
  57                         inst_tgt->set_symlink(link_name);
  58                 return inst_tgt;
  59         }
  60         else
  61                 return 0;
  62 }
  63
  64 Task *MingwDllTool::run(const Target &target) const
  65 {
  66         const ImportLibrary *imp = dynamic_cast<const ImportLibrary *>(&target);
  67         const ExportDefinitions *exp = 0;
  68         if(imp)
  69                 exp = &dynamic_cast<const ExportDefinitions &>(*imp->get_dependencies().front());
  70         else
  71                 exp = dynamic_cast<const ExportDefinitions *>(&target);
  72         if(!imp && !exp)
  73                 throw invalid_argument("MingwDllTool::run");
  74
  75         vector<string> argv;
  76         argv.push_back(executable->get_path().str());
  77
  78         /* dlltool is stupid and puts temporary files in the working directory by
  79         default */
  80         argv.push_back("--temp-prefix");
  81         char random[8];
  82         for(unsigned i=0; i<8; ++i)
  83                 random[i] = 'a'+(rand()%26);
  84         argv.push_back(string("/tmp/")+string(random, 8));
  85
  86         const Component &comp = *target.get_component();
  87         FS::Path work_dir = comp.get_package().get_source_directory();
  88
  89         if(imp)
  90         {
  91                 const SharedLibrary &shlib = *imp->get_shared_library();
  92
  93                 argv.push_back("-d");
  94                 argv.push_back(relative(exp->get_path(), work_dir).str());
  95
  96                 argv.push_back("-D");
  97                 if(shlib.get_install_filename().empty())
  98                         argv.push_back(FS::basename(shlib.get_path()));
  99                 else
 100                         argv.push_back(shlib.get_install_filename());
 101
 102                 argv.push_back("-l");
 103                 argv.push_back(relative(imp->get_path(), work_dir).str());
 104         }
 105         else
 106         {
 107                 const Target::Dependencies &depends = exp->get_dependencies();
 108                 for(Target::Dependencies::const_iterator i=depends.begin(); i!=depends.end(); ++i)
 109                 {
 110                         if(ObjectFile *obj = dynamic_cast<ObjectFile *>(*i))
 111                                 argv.push_back(relative(obj->get_path(), work_dir).str());
 112                 }
 113
 114                 // XXX Should use dllexport, but that has some other problems to solve
 115                 argv.push_back("--export-all-symbols");
 116
 117                 argv.push_back("-z");
 118                 argv.push_back(relative(exp->get_path(), work_dir).str());
 119         }
 120
 121         return new ExternalTask(argv, work_dir);
 122 }