Initial commit.

tools/maptool/maptool.cpp

@@ -0,0 +1,164 @@
+// MapSak.cpp : Defines the entry point for the console application.
+//
+
+#include <stdio.h>
+#include <tchar.h>
+#include <string>
+#include <iostream>
+#include <fstream>
+#include <vector>
+#include <algorithm>
+
+
+using std::string;
+
+struct MapSymbol
+{
+	unsigned long address;
+	unsigned long size;
+	std::string name;
+};
+
+struct MapSymbolSizeLess
+{
+	operator()(const MapSymbol &a, const MapSymbol &b)
+	{
+		return a.size < b.size;
+	}
+};
+
+struct MapSymbolSizeGreater
+{
+	operator()(const MapSymbol &a, const MapSymbol &b)
+	{
+		return a.size > b.size;
+	}
+};
+
+struct MapSymbolAddressLess
+{
+	operator()(const MapSymbol &a, const MapSymbol &b)
+	{
+		return a.address < b.address;
+	}
+};
+
+int _tmain(int argc, _TCHAR* argv[])
+{
+	std::ifstream infile;
+	std::string oneLine;
+	std::string oneToken;
+	MapSymbol ms;
+	std::vector<MapSymbol> symbols;
+
+	infile.open(argv[1]);
+	if (!infile)
+		return -1;
+
+	// Always skip the first seven lines
+	for (int i = 0; i < 7; ++i)
+		std::getline(infile, oneLine);
+
+	// Now skip over all CODE/DATA lines, find "Address" header line
+	do
+	{
+		std::getline(infile, oneLine);
+	} while(oneLine.find("Address") == string::npos);
+
+	// OK. Get one more blank line
+	std::getline(infile, oneLine);
+
+	// Now we have to get a whole bunch of lines, and actually do things
+	while(1)
+	{
+		// Read the first token
+		infile >> oneToken;
+
+		// Did we finally reach the blank line?
+		if (oneToken == "entry")
+			break;
+
+		// OK. That was the wacky format address. Get the symbol name
+		infile >> ms.name;
+		// And the full address
+		infile >> oneToken;
+		ms.address = strtoul(oneToken.c_str(), NULL, 16);
+
+		// Add to the vector
+		symbols.push_back(ms);
+
+		// Now we just grab the rest of the line. We don't need it
+		std::getline(infile, oneLine);
+	}
+
+	// Sort what we have by address
+	std::sort(symbols.begin(), symbols.end(), MapSymbolAddressLess());
+
+	// Calculate sizes for everything we've read thus far
+	// (except for the actual last synmbol, which we can't figure out)
+	size_t j = 0;
+	size_t lastSym = symbols.size() - 1;
+	for ( ; j < lastSym; ++j)
+		symbols[j].size = symbols[j+1].address - symbols[j].address;
+
+	// No reason to keep the last symbol around, we know nothing
+	symbols.pop_back();
+
+	// OK. Skip a couple lines
+	do
+	{
+		std::getline(infile, oneLine);
+	} while (oneLine.find("Static") == string::npos);
+
+	// Skip another blank line
+	std::getline(infile, oneLine);
+
+	// Now we do it again, for the second batch of symbols...
+	while(!infile.eof())
+	{
+		// Read the first token
+		infile >> oneToken;
+
+		// Did we finally reach the blank line?
+		if (oneToken.empty())
+			break;
+
+		// OK. That was the wacky format address. Get the symbol name
+		infile >> ms.name;
+		// And the full address
+		infile >> oneToken;
+		ms.address = strtoul(oneToken.c_str(), NULL, 16);
+
+		// Add to the vector
+		symbols.push_back(ms);
+
+		// Now we just grab the rest of the line. We don't need it
+		std::getline(infile, oneLine);
+	}
+
+	// Sort the new batch
+	std::sort(symbols.begin() + lastSym, symbols.end(), MapSymbolAddressLess());
+
+	// OK. Do it again
+	j = lastSym;
+	lastSym = symbols.size() - 1;
+	for( ; j < lastSym; ++j)
+		symbols[j].size = symbols[j+1].address - symbols[j].address;
+
+	// No reason to keep the last symbol around, we know nothing
+	symbols.pop_back();
+
+	// Close off the file
+	infile.close();
+
+	// Sort the list by size
+	std::sort(symbols.begin(), symbols.end(), MapSymbolSizeGreater());
+
+	// Print out the ten largest symbols?
+	for (j = 0; j < symbols.size(); ++j)
+		std::cout << symbols[j].name << "    [" << symbols[j].size << "]\n";
+	std::cout << std::endl;
+
+	return 0;
+}
+