SabreTools/SabreTools.Serialization
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Stricter with COFF tables

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This commit is contained in:
Matt Nadareski
2025-08-17 15:25:25 -04:00
parent c7b03c7765
commit adf9627045
1 changed files with 13 additions and 2 deletions
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15
SabreTools.Serialization/Deserializers/PortableExecutable.cs
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@@ -99,7 +99,8 @@ namespace SabreTools.Serialization.Deserializers
executable.COFFSymbolTable = ParseCOFFSymbolTable(data, coffFileHeader.NumberOfSymbols);
// Set the COFF string table
executable.COFFStringTable = ParseCOFFStringTable(data);
if (executable.COFFSymbolTable != null)
executable.COFFStringTable = ParseCOFFStringTable(data);
}
#endregion
@@ -400,7 +401,7 @@ namespace SabreTools.Serialization.Deserializers
/// <param name="data">Stream to parse</param>
/// <param name="count">Number of COFF symbol table entries to read</param>
/// <returns>Filled COFF symbol table on success, null on error</returns>
public static COFFSymbolTableEntry[] ParseCOFFSymbolTable(Stream data, uint count)
public static COFFSymbolTableEntry[]? ParseCOFFSymbolTable(Stream data, uint count)
{
var coffSymbolTable = new COFFSymbolTableEntry[count];
@@ -468,6 +469,10 @@ namespace SabreTools.Serialization.Deserializers
{
currentSymbolType = 6;
}
else
{
return null;
}
}
// Auxiliary Format 1: Function Definitions
@@ -543,6 +548,12 @@ namespace SabreTools.Serialization.Deserializers
auxSymbolsRemaining--;
}
// Invalid case, should never happen
else
{
return null;
}
// If we hit the last aux symbol, go back to normal format
if (auxSymbolsRemaining == 0)
currentSymbolType = 0;