mirror of
https://github.com/autc04/Retro68.git
synced 2025-01-13 01:30:55 +00:00
some dependency inversion: make sure gcc does not depend on retro68_tools
This commit is contained in:
Wolfgang Thaller
parent
90b7a3332d
commit
273f7eacba
@ -41,13 +41,12 @@ using std::string;
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using std::vector;
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using std::ofstream;
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string argvZero;
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string realLdPath;
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void RealLD(vector<string> args)
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{
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vector<const char*> argv;
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string realLD = argvZero + ".real";
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argv.push_back(realLD.c_str());
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argv.push_back(realLdPath.c_str());
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for(string& s : args)
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argv.push_back(s.c_str());
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argv.push_back(NULL);
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@ -90,134 +89,132 @@ int main(int argc, char *argv[])
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{
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vector<string> args;
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std::copy(argv + 1, argv+argc, std::back_inserter(args));
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argvZero = argv[0];
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realLdPath = string(argv[0]) + ".real";
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if(boost::algorithm::ends_with(argv[0], "ld"))
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if (char *path = getenv("RETRO68_REAL_LD"))
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realLdPath = path;
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string outputFile = "a.out";
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string entryPoint = "_start";
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bool elf2mac = false;
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bool flatoutput = false;
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bool segments = true;
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bool stripMacsbug = false;
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bool saveLdScript = false;
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SegmentMap segmentMap;
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vector<string> args2;
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for(auto p = args.begin(), e = args.end(); p != e; ++p)
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{
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string outputFile = "a.out";
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string entryPoint = "_start";
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bool elf2mac = false;
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bool flatoutput = false;
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bool segments = true;
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bool stripMacsbug = false;
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bool saveLdScript = false;
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SegmentMap segmentMap;
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vector<string> args2;
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for(auto p = args.begin(), e = args.end(); p != e; ++p)
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if(*p == "--elf2mac-real-ld")
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{
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if(*p == "-o")
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{
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++p;
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if(p == e)
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errx(EXIT_FAILURE, "-o missing argument");
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outputFile = *p;
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}
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else if(boost::algorithm::starts_with(*p, "-o"))
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{
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outputFile = (*p).substr(2);
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}
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else if(*p == "-elf2mac" || *p == "--elf2mac")
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{
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elf2mac = true;
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}
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else if(*p == "-e")
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{
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++p;
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if(p == e)
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errx(EXIT_FAILURE, "-e missing argument");
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entryPoint = *p;
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}
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else if(boost::algorithm::starts_with(*p, "-e"))
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{
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entryPoint = (*p).substr(2);
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}
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else if(*p == "--mac-flat")
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{
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elf2mac = true;
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flatoutput = true;
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segments = false;
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}
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else if(*p == "--mac-single")
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{
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elf2mac = true;
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flatoutput = false;
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segments = false;
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}
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else if(*p == "--mac-segments")
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{
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elf2mac = true;
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if(flatoutput)
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errx(EXIT_FAILURE, "--mac-segments can't be used with --mac-flat");
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++p;
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if(p == e)
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errx(EXIT_FAILURE, "--mac-segments missing argument");
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segmentMap = SegmentMap(*p);
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}
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else if(*p == "--mac-strip-macsbug")
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{
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stripMacsbug = true;
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}
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else if(*p == "--mac-keep-ldscript")
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{
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saveLdScript = true;
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}
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else
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{
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args2.push_back(*p);
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}
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++p;
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if(p == e)
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errx(EXIT_FAILURE, "--elf2mac-real-ld missing argument");
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realLdPath = *p;
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}
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if(elf2mac)
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else if(*p == "-o")
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{
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char tmpfile[] = "/tmp/ldscriptXXXXXX";
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int fd = mkstemp(tmpfile);
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if(fd < 0)
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errx(EXIT_FAILURE, "can't create temp file");
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{
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ofstream out(tmpfile);
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if(segments)
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{
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segmentMap.CreateLdScript(out, entryPoint, stripMacsbug);
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}
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else
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{
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CreateFlatLdScript(out, entryPoint, stripMacsbug);
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}
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}
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args2.push_back("-o");
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args2.push_back(outputFile + ".gdb");
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args2.push_back("-T");
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args2.push_back(tmpfile);
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RealLD(args2);
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if(saveLdScript)
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std::cerr << "Ld Script at: " << tmpfile << std::endl;
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else
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unlink(tmpfile);
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Object theObject(outputFile + ".gdb");
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++p;
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if(p == e)
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errx(EXIT_FAILURE, "-o missing argument");
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outputFile = *p;
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}
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else if(boost::algorithm::starts_with(*p, "-o"))
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{
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outputFile = (*p).substr(2);
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}
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else if(*p == "-elf2mac" || *p == "--elf2mac")
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{
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elf2mac = true;
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}
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else if(*p == "-e")
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{
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++p;
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if(p == e)
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errx(EXIT_FAILURE, "-e missing argument");
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entryPoint = *p;
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}
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else if(boost::algorithm::starts_with(*p, "-e"))
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{
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entryPoint = (*p).substr(2);
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}
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else if(*p == "--mac-flat")
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{
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elf2mac = true;
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flatoutput = true;
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segments = false;
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}
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else if(*p == "--mac-single")
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{
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elf2mac = true;
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flatoutput = false;
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segments = false;
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}
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else if(*p == "--mac-segments")
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{
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elf2mac = true;
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if(flatoutput)
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theObject.FlatCode(outputFile);
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else if(segments)
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theObject.MultiSegmentApp(outputFile, segmentMap);
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else
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theObject.SingleSegmentApp(outputFile);
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errx(EXIT_FAILURE, "--mac-segments can't be used with --mac-flat");
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++p;
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if(p == e)
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errx(EXIT_FAILURE, "--mac-segments missing argument");
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segmentMap = SegmentMap(*p);
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}
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else if(*p == "--mac-strip-macsbug")
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{
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stripMacsbug = true;
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}
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else if(*p == "--mac-keep-ldscript")
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{
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saveLdScript = true;
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}
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else
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{
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RealLD(args);
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args2.push_back(*p);
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}
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return 0;
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}
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if(elf2mac)
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{
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char tmpfile[] = "/tmp/ldscriptXXXXXX";
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int fd = mkstemp(tmpfile);
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if(fd < 0)
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errx(EXIT_FAILURE, "can't create temp file");
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{
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ofstream out(tmpfile);
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if(segments)
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{
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segmentMap.CreateLdScript(out, entryPoint, stripMacsbug);
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}
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else
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{
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CreateFlatLdScript(out, entryPoint, stripMacsbug);
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}
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}
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args2.push_back("-o");
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args2.push_back(outputFile + ".gdb");
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args2.push_back("-T");
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args2.push_back(tmpfile);
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RealLD(args2);
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if(saveLdScript)
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std::cerr << "Ld Script at: " << tmpfile << std::endl;
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else
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unlink(tmpfile);
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Object theObject(outputFile + ".gdb");
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if(flatoutput)
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theObject.FlatCode(outputFile);
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else if(segments)
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theObject.MultiSegmentApp(outputFile, segmentMap);
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else
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theObject.SingleSegmentApp(outputFile);
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}
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else
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{
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if(argc != 2)
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errx(EXIT_FAILURE, "usage : %s file-name ", argv[0]);
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Object theObject(argv[1]);
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SegmentMap segmentMap;
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theObject.MultiSegmentApp("out.bin", segmentMap);
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RealLD(args);
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}
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return 0;
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}
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46
flake.nix
46
flake.nix
@ -154,32 +154,29 @@
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[ "--target=${stdenv.targetPlatform.config}" "--disable-doc" ]
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++ stdenv.targetPlatform.retro68BinutilsConfig or [ ];
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enableParallelBuilding = true;
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postInstall = let
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ld = "$out/bin/${stdenv.targetPlatform.config}-ld";
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ld_real = "$out/bin/${stdenv.targetPlatform.config}-ld.real";
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in ''
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mv ${ld} ${ld_real}
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echo "#!${stdenv.shell}" > ${ld}
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echo "exec \$'' + ''{RETRO68_LD_WRAPPER_${stdenv.targetPlatform.cmakeSystemName}-${ld_real}} \"\$@\"" >> ${ld}
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chmod +x ${ld}
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rm $out/${stdenv.targetPlatform.config}/bin/ld
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ln -s ${ld} $out/${stdenv.targetPlatform.config}/bin/ld
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'';
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};
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# retro68_binutils_with_tools -- binutils with ld wrapped by retro68_tools.Elf2Mac
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retro68_binutils_with_tools = with pkgs;
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if stdenv.targetPlatform.system == "m68k-macos" then
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symlinkJoin {
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name = "retro68_binutils_with_tools";
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paths = [ retro68_binutils buildPackages.retro68_tools ];
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# Move the real linker aside and install symlinks to Elf2Mac
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postBuild = ''
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mv $out/bin/m68k-apple-macos-ld $out/bin/m68k-apple-macos-ld.real
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mv $out/m68k-apple-macos/bin/ld $out/m68k-apple-macos/bin/ld.real
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ln -s $out/bin/Elf2Mac $out/bin/m68k-apple-macos-ld
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ln -s $out/bin/Elf2Mac $out/m68k-apple-macos/bin/ld
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'';
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}
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else
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retro68_binutils;
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# retro68_gcc -- gcc, without any wrappers
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retro68_gcc = with pkgs;
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stdenv.mkDerivation rec {
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name = "retro68_gcc";
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src = filterSrc (self + /gcc);
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buildInputs = [ retro68_binutils_with_tools gmp mpfr libmpc ];
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buildInputs = [ retro68_binutils gmp mpfr libmpc ];
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configureFlags = [
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"--target=${stdenv.targetPlatform.config}"
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"--enable-languages=c,c++"
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@ -192,7 +189,7 @@
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# nix does in-source builds by default, and something breaks
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buildCommand = ''
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mkdir -p $out/${stdenv.targetPlatform.config}/bin
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ln -s ${retro68_binutils_with_tools}/${stdenv.targetPlatform.config}/bin/* $out/${stdenv.targetPlatform.config}/bin/
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ln -s ${retro68_binutils}/${stdenv.targetPlatform.config}/bin/* $out/${stdenv.targetPlatform.config}/bin/
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export target_configargs="--disable-nls --enable-libstdcxx-dual-abi=no --disable-libstdcxx-verbose"
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$src/configure ${builtins.toString configureFlags} --prefix=$out
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@ -206,7 +203,7 @@
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# binutils -- binutils with the wrappers provided by nixpkgs
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binutils = if pkgs.stdenv.targetPlatform ? retro68 then
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pkgs.wrapBintoolsWith {
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bintools = pkgs.retro68_binutils_with_tools;
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bintools = pkgs.retro68_binutils;
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}
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else
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prev.binutils;
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@ -251,7 +248,12 @@
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};
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hook = pkgs.writeTextFile {
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name = "retro68_setup_hook";
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text = "export CMAKE_TOOLCHAIN_FILE=${toolchain}";
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text = ''
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export CMAKE_TOOLCHAIN_FILE=${toolchain}
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'' + (pkgs.lib.optionalString (systemName == "Retro68") ''
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export RETRO68_LD_WRAPPER_Retro68="${pkgs.buildPackages.retro68_tools}/bin/Elf2Mac"
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export RETRO68_REAL_LD="${pkgs.buildPackages.retro68_binutils}/bin/m68k-apple-macos-ld.real"
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'');
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};
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in pkgs.makeSetupHook { } hook;
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