chizui/Il2CppInspectorRedux
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Make field offset reading use TryMapVATR to reduce exceptions

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This commit is contained in:
LukeFZ
2024-11-09 15:43:39 +01:00
parent e0e8d052ea
commit 3982e5fd99
1 changed files with 12 additions and 10 deletions
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22
Il2CppInspector.Common/IL2CPP/Il2CppInspector.cs
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@@ -203,19 +203,21 @@ namespace Il2CppInspector
for (var i = 0; i < TypeDefinitions.Length; i++) {
var def = TypeDefinitions[i];
var pFieldOffsets = Binary.FieldOffsetPointers[i];
if (pFieldOffsets != 0) {
bool available = true;
if (pFieldOffsets != 0)
{
// If the target address range is not mapped in the file, assume zeroes
try {
BinaryImage.Position = BinaryImage.MapVATR((ulong) pFieldOffsets);
if (BinaryImage.TryMapVATR((ulong)pFieldOffsets, out var fieldOffsetPosition))
{
BinaryImage.Position = fieldOffsetPosition;
var fieldOffsets = BinaryImage.ReadArray<uint>(def.FieldCount);
for (var fieldIndex = 0; fieldIndex < def.FieldCount; fieldIndex++)
offsets.Add(def.FieldIndex + fieldIndex, fieldOffsets[fieldIndex]);
}
catch (InvalidOperationException) {
available = false;
else
{
for (var fieldIndex = 0; fieldIndex < def.FieldCount; fieldIndex++)
offsets.Add(def.FieldIndex + fieldIndex, 0);
}
for (var f = 0; f < def.FieldCount; f++)
offsets.Add(def.FieldIndex + f, available? BinaryImage.ReadUInt32() : 0);
}
}