GEEKING

App/util/Unix/MachOBaseAddr.mm

@@ -0,0 +1,45 @@
+//
+//  MachOBaseAddr.m
+//  App
+//
+//  Created on 11/10/14.
+//
+//
+
+#import <Foundation/Foundation.h>
+#include <mach-o/getsect.h>
+#include <mach-o/dyld.h>
+
+uint32_t staticBaseAddress(void)
+{
+    const struct segment_command* command = getsegbyname("__TEXT");
+    uint32_t addr = command->vmaddr;
+    return addr;
+}
+
+intptr_t imageSlide(void)
+{
+    int image_count = _dyld_image_count();
+    const struct mach_header *header;
+    
+    for (int index = 0; index < image_count; ++index)
+    {
+        header = _dyld_get_image_header(index);
+        if (header->filetype == MH_EXECUTE)
+        {
+            return _dyld_get_image_vmaddr_slide(index);
+        }
+    }
+    return 0;
+}
+
+uint32_t machODynamicBaseAddress(void)
+{
+    return staticBaseAddress() + imageSlide();
+}
+
+uint32_t machOTextSize(void)
+{
+    const struct segment_command* command = getsegbyname("__TEXT");
+    return command->vmsize;
+}