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PE: Fix calculation of GlobalOffset

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This commit is contained in:
Katy Coe
2019-10-29 01:15:48 +01:00
parent 858be5fa3e
commit e260a92f1b
2 changed files with 13 additions and 6 deletions
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12
Il2CppInspector/FileFormatReaders/PEReader.cs
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@@ -10,6 +10,9 @@ using System.Linq;
namespace Il2CppInspector
{
// References:
// PE Header file: https://github.com/dotnet/llilc/blob/master/include/clr/ntimage.h
// PE format specification: https://docs.microsoft.com/en-us/windows/win32/debug/pe-format?redirectedfrom=MSDN
internal class PEReader : FileFormatReader<PEReader>
{
private COFFHeader coff;
@@ -96,7 +99,8 @@ namespace Il2CppInspector
pFuncTable += 8;
}
GlobalOffset = pe.ImageBase;
// Get base of code
GlobalOffset = pe.ImageBase + pe.BaseOfCode - sections.First(x => x.Name == ".text").PointerToRawData;
return true;
}
@@ -113,9 +117,9 @@ namespace Il2CppInspector
if (uiAddr == 0)
return 0;
var section = sections.First(x => uiAddr - GlobalOffset >= x.VirtualAddress &&
uiAddr - GlobalOffset < x.VirtualAddress + x.SizeOfRawData);
return (uint) (uiAddr - section.VirtualAddress - GlobalOffset + section.PointerToRawData);
var section = sections.First(x => uiAddr - pe.ImageBase >= x.VirtualAddress &&
uiAddr - pe.ImageBase < x.VirtualAddress + x.SizeOfRawData);
return (uint) (uiAddr - section.VirtualAddress - pe.ImageBase + section.PointerToRawData);
}
}
}