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Add PE COFF file header parsing to builder

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This commit is contained in:
Matt Nadareski
2022-11-08 14:12:05 -08:00
parent 70b8c1f9b7
commit 0a5ae3b090
1 changed files with 49 additions and 5 deletions
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54
BurnOutSharp.Builder/PortableExecutable.cs
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@@ -55,6 +55,18 @@ namespace BurnOutSharp.Builder
#endregion
#region COFF File Header
// Try to parse the COFF file header
var coffFileHeader = ParseCOFFFileHeader(data, ref offset);
if (coffFileHeader == null)
return null;
// Set the COFF file header
executable.COFFFileHeader = coffFileHeader;
#endregion
// TODO: Implement PE parsing
return null;
}
@@ -65,10 +77,20 @@ namespace BurnOutSharp.Builder
/// <param name="data">Byte array to parse</param>
/// <param name="offset">Offset into the byte array</param>
/// <returns>Filled COFF file header on success, null on error</returns>
private static COFFFileHeader ParseCOFFFileHeader(byte[] data, int offset)
private static COFFFileHeader ParseCOFFFileHeader(byte[] data, ref int offset)
{
// TODO: Implement PE COFF file header parsing
return null;
// TODO: Use marshalling here instead of building
var fileHeader = new COFFFileHeader();
fileHeader.Machine = (MachineType)data.ReadUInt16(ref offset);
fileHeader.NumberOfSections = data.ReadUInt16(ref offset);
fileHeader.TimeDateStamp = data.ReadUInt32(ref offset);
fileHeader.PointerToSymbolTable = data.ReadUInt32(ref offset);
fileHeader.NumberOfSymbols = data.ReadUInt32(ref offset);
fileHeader.SizeOfOptionalHeader = data.ReadUInt16(ref offset);
fileHeader.Characteristics = (Characteristics)data.ReadUInt16(ref offset);
return fileHeader;
}
#endregion
@@ -121,6 +143,18 @@ namespace BurnOutSharp.Builder
#endregion
#region COFF File Header
// Try to parse the COFF file header
var coffFileHeader = ParseCOFFFileHeader(data);
if (coffFileHeader == null)
return null;
// Set the COFF file header
executable.COFFFileHeader = coffFileHeader;
#endregion
// TODO: Implement PE parsing
return null;
}
@@ -132,8 +166,18 @@ namespace BurnOutSharp.Builder
/// <returns>Filled executable header on success, null on error</returns>
private static COFFFileHeader ParseCOFFFileHeader(Stream data)
{
// TODO: Implement PE COFF file header parsing
return null;
// TODO: Use marshalling here instead of building
var fileHeader = new COFFFileHeader();
fileHeader.Machine = (MachineType)data.ReadUInt16();
fileHeader.NumberOfSections = data.ReadUInt16();
fileHeader.TimeDateStamp = data.ReadUInt32();
fileHeader.PointerToSymbolTable = data.ReadUInt32();
fileHeader.NumberOfSymbols = data.ReadUInt32();
fileHeader.SizeOfOptionalHeader = data.ReadUInt16();
fileHeader.Characteristics = (Characteristics)data.ReadUInt16();
return fileHeader;
}
#endregion