public void compilePatch()
{
PatchCompiler.compilePatch(m_CodeAddr, romdir);
}
public byte[] makeDynamicLibrary()
{
try
{
const uint baseAddress = 0x02400000;
string make = "(make CODEADDR=0x" + baseAddress.ToString("X8")
+ " && make CODEADDR=0x" + (baseAddress + 4).ToString("X8")
+ " TARGET=newcode1)";
if (PatchCompiler.runProcess(make, romdir.FullName) != 0)
{
return(null);
}
byte[] code0 = File.ReadAllBytes(romdir.FullName + "/newcode.bin");
byte[] code1 = File.ReadAllBytes(romdir.FullName + "/newcode1.bin");
if (code0.Length != code1.Length)
{
MessageBox.Show("Generating DL failed: code lengths don't match");
return(null);
}
MemoryStream outputStream = new MemoryStream();
BinaryWriter output = new BinaryWriter(outputStream);
List <ushort> relocations = new List <ushort>();
output.Write((ulong)0);
output.Write((ulong)0);
uint alignedCodeSize = (uint)code0.Length & ~3U;
for (ushort i = 0; i < alignedCodeSize; i += 4)
{
uint word0 = BitConverter.ToUInt32(code0, i);
uint word1 = BitConverter.ToUInt32(code1, i);
if (word0 == word1)
{
output.Write(word0);
}
else if (word0 + 4 == word1) // word0 and word1 are pointers
{
output.Write(word0 - baseAddress + 0x10);
relocations.Add(i);
}
else if (word0 == word1 + 1 && word0 >> 24 == word1 >> 24) // word0 and word1 are branches
{
uint destAddr = getDestOfBranch((int)word0, baseAddress + i);
output.Write((destAddr >> 2) | (word0 & 0xff000000));
relocations.Add(i);
}
else
{
MessageBox.Show("Generating DL failed: code files don't match for an unknown reason\nnewcode.bin offset: 0x"
+ i.ToString("X4") + "\nmismatching words: 0x"
+ word0.ToString("X8") + " and 0x" + word1.ToString("X8"));
return(null);
}
}
for (uint i = alignedCodeSize; i < code0.Length; ++i)
{
output.Write(code0[i]);
}
alignStream(output.BaseStream, 4);
var relocationOffset = output.BaseStream.Position;
var addresses = getInitAndCleanup();
if (addresses == null)
{
return(null);
}
uint initFuncOffset = (((uint, uint))addresses).Item1 - baseAddress + 0x10;
uint cleanFuncOffset = (((uint, uint))addresses).Item2 - baseAddress + 0x10;
output.Seek(0, SeekOrigin.Begin);
output.Write((ushort)relocations.Count);
output.Write((ushort)relocationOffset);
output.Write((ushort)initFuncOffset);
output.Write((ushort)cleanFuncOffset);
output.Seek(0, SeekOrigin.End);
foreach (ushort relocation in relocations)
{
output.Write((ushort)(relocation + 0x10));
}
return(outputStream.ToArray());
}
catch (Exception ex)
{
new ExceptionMessageBox("Generating DL failed:", ex).ShowDialog();
return(null);
}
}
