Merge pull request #141 from p-x9/feature/main-cache-ptr

Add `mainCachePtr` property to get pointer of main dyld cache
p-x9 · Nov 7, 2024 · 57956f0 · 57956f0
2 parents 40736a8 + 254b257
commit 57956f0
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/Sources/MachOKit/DyldCacheLoaded.swift b/Sources/MachOKit/DyldCacheLoaded.swift
@@ -52,6 +52,12 @@ public struct DyldCacheLoaded: DyldCacheRepresentable {
         _mainCacheHeader ?? header
     }
 
+    /// Pointer of main cache
+    public var mainCachePtr: UnsafeRawPointer {
+        let diff = header.sharedRegionStart - mainCacheHeader.sharedRegionStart
+        return ptr.advanced(by: -numericCast(diff))
+    }
+
     /// Initialized with the start pointer of dyld cache loaded on memory.
     /// - Parameter ptr: start pointer of dyld cache header
     ///