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MachO: Improve Sections accuracy

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This commit is contained in:
Katy Coe
2020-12-05 20:38:25 +01:00
parent bdf43a642d
commit 804f1680c4
1 changed files with 22 additions and 24 deletions
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46
Il2CppInspector.Common/FileFormatReaders/MachOReader.cs
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@@ -119,35 +119,33 @@ namespace Il2CppInspector
case MachO cmd when cmd == lc_Segment:
var segment = ReadObject<MachOSegmentCommand<TWord>>();
// Code and data
if (segment.Name == "__TEXT" || segment.Name == "__DATA") {
for (int s = 0; s < segment.NumSections; s++) {
var section = ReadObject<MachOSection<TWord>>();
machoSections.Add(section);
// Sections in each segment
for (int s = 0; s < segment.NumSections; s++) {
var section = ReadObject<MachOSection<TWord>>();
machoSections.Add(section);
// Create universal section
sections.Add(new Section {
VirtualStart = conv.ULong(section.Address),
VirtualEnd = conv.ULong(section.Address) + conv.ULong(section.Size) - 1,
ImageStart = section.ImageOffset,
ImageEnd = section.ImageOffset + (uint) conv.Int(section.Size) - 1,
// Create universal section
sections.Add(new Section {
VirtualStart = conv.ULong(section.Address),
VirtualEnd = conv.ULong(section.Address) + conv.ULong(section.Size) - 1,
ImageStart = section.ImageOffset,
ImageEnd = section.ImageOffset + (uint) conv.Int(section.Size) - 1,
IsData = segment.Name == "__DATA" && section.Name != "__bss",
IsExec = segment.Name == "__TEXT",
IsBSS = segment.Name == "__DATA" && section.Name == "__bss",
IsData = segment.Name == "__TEXT" || segment.Name == "__DATA",
IsExec = segment.Name == "__TEXT",
IsBSS = segment.Name == "__DATA" && (section.Name == "__bss" || section.Name == "__common"),
Name = section.Name
});
Name = section.Name
});
// First code section
if (section.Name == "__text") {
GlobalOffset = (ulong) Convert.ChangeType(section.Address, typeof(ulong)) - section.ImageOffset;
}
// First code section
if (section.Name == "__text") {
GlobalOffset = (ulong) Convert.ChangeType(section.Address, typeof(ulong)) - section.ImageOffset;
}
// Initialization (pre-main) functions
if (section.Name == "__mod_init_func") {
funcTab = section;
}
// Initialization (pre-main) functions
if (section.Name == "__mod_init_func") {
funcTab = section;
}
}
break;