Add dump2def source file

TestPrograms/dump2def.cxx

@@ -0,0 +1,145 @@
+// dump2def.cxx - Written and placed in public domain by Jeffrey Walton
+//                Create a module definitions file from a dumpbin file/
+//                dump2def can be used to create a list of exports from
+//                a static library. Then, the exports can used to build
+//                a dynamic link library with the same exports.
+
+#include <iostream>
+#include <fstream>
+#include <sstream>
+#include <string>
+#include <vector>
+#include <set>
+
+typedef std::set<std::string> SymbolMap;
+
+void PrintHelpAndExit(int code)
+{
+	std::cout << "dump2def - create a module definitions file from a dumpbin file" << std::endl;
+	std::cout << "           Written and placed in public domain by Jeffrey Walton" << std::endl;
+	std::cout << std::endl;
+
+	std::cout << "Usage: " << std::endl;
+
+	std::cout << "  dump2def <infile>" << std::endl;
+	std::cout << "    - Create a def file from <infile> and write it to a file with" << std::endl;
+	std::cout << "      the same name as <infile> but using the .def extension" << std::endl;
+
+	std::cout << "  dump2def <infile> <outfile>" << std::endl;
+	std::cout << "    - Create a def file from <infile> and write it to <outfile>" << std::endl;
+
+	std::exit(code);
+}
+
+int main(int argc, char* argv[])
+{
+	// ******************** Handle Options ******************** //
+
+	// Convenience item
+	std::vector<std::string> opts;
+	for (size_t i=0; i<argc; ++i)
+		opts.push_back(argv[i]);
+
+	// Look for help
+	std::string opt = opts.size() < 3 ? "" : opts[1].substr(0,2);
+	if (opt == "/h" || opt == "-h" || opt == "/?" || opt == "-?")
+		PrintHelpAndExit(0);
+
+	// Add <outfile> as needed
+	if (opts.size() == 2)
+	{
+		std::string outfile = opts[1];
+		std::string::size_type pos = outfile.length() < 5 ? std::string::npos : outfile.length() - 5;
+		if (pos == std::string::npos || outfile.substr(pos) != ".dump")
+			PrintHelpAndExit(1);
+
+		outfile.replace(pos, 5, ".def");
+		opts.push_back(outfile);
+	}
+
+	// Check or exit
+	if (opts.size() != 3)
+		PrintHelpAndExit(1);
+
+	// ******************** Read MAP file ******************** //
+
+	SymbolMap symbols;
+
+	try
+	{
+		std::ifstream infile(opts[1].c_str());
+		std::string::size_type pos;
+		std::string line;
+
+		// Find start of the symbol table
+		while (std::getline(infile, line))
+		{
+			pos = line.find("public symbols");
+			if (pos == std::string::npos) { continue; }		
+
+			// Eat the whitespace after the table heading
+			infile >> std::ws;
+			break;
+		}
+
+		while (std::getline(infile, line))
+		{
+			// End of table
+			if (line.empty()) { break; }
+
+			std::istringstream iss(line);
+			std::string address, symbol;
+			iss >> address >> symbol;
+
+			symbols.insert(symbol);
+		}
+	}
+	catch (const std::exception& ex)
+	{
+		std::cerr << "Unexpected exception:" << std::endl;
+		std::cerr << ex.what() << std::endl;
+		std::cerr << std::endl;
+
+		PrintHelpAndExit(1);
+	}
+
+	// ******************** Write DEF file ******************** //
+
+	try
+	{
+		std::ofstream outfile(opts[2].c_str());
+
+		// Library name, cryptopp.dll
+		std::string name = opts[2];
+		std::string::size_type pos = name.find_last_of(".");
+
+		if (pos != std::string::npos)
+			name.erase(pos);
+
+		outfile << "LIBRARY " << name << std::endl;
+		outfile << "DESCRIPTION \"Crypto++ Library\"" << std::endl;		
+		outfile << "EXPORTS" << std::endl;
+		outfile << std::endl;
+
+		outfile << "\t;; " << symbols.size() << " symbols" << std::endl;
+
+		// Symbols from our object files
+		SymbolMap::const_iterator it = symbols.begin();
+		for ( ; it != symbols.end(); ++it)
+			outfile << "\t" << *it << std::endl;
+	}
+	catch (const std::exception& ex)
+	{
+		std::cerr << "Unexpected exception:" << std::endl;
+		std::cerr << ex.what() << std::endl;
+		std::cerr << std::endl;
+
+		PrintHelpAndExit(1);
+	}
+
+	std::cout << std::endl;
+	std::cout << symbols.size() << " library symbols";
+	std::cout << std::endl;
+
+	return 0;
+}