| Index | Field Name | Size | Offset | Completely Useless Column | Field Type |
|---|---|---|---|---|---|
| 1 | Header | 8 | +0 | +0 | Unknown |
| 2 | Klass | Pointer Size | +8 | +8 | *Klass to java/lang/Class |
| 3 | C++ Vtbl | Pointer Size | +16 | +12 | Unknown Pointer |
| 4 | Layout Helper | 4 | +24 | +16 | i32 |
| 5 | Super Offset | 4 | +28 | +20 | u32 |
| 6 | Name | Pointer Size | + 32 | +24 | *Symbol (linked list type?) |
| 7 | Secondary Super Cache | Pointer Size | +40 | +28 | *Klass |
| 8 | Secondary Supers | Pointer Size | +48 | +32 | Array<*Klass> |
| 9 | Primary Supers | Pointer Size * 8 | +56 | +38 | *Klass[] |
| 10 | Java Mirror | Pointer Size | +120 | +68 | oop (pointer type, representation of this class's java/lang/Class instance) |
| 11 | Super | Pointer Size | +128 | +72 | *Klass |
| 12 | First Subclass | Pointer Size | +126 | +76 | *Klass or NULL |
| 13 | Sibling | Pointer Size | +144 | +80 | *Klass for linked list |
| 14 | Modifiers | 4 | +152 | + 84 | i32 |
| 15 | Access Flags | 4 | +156 | +88 | u32 |
Last active
April 18, 2021 12:22
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Java klass.hpp memory layout
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Offsets are not changed by compressed OOPs
Fixed, lazily. ~Hex