https://android.googlesource.com/platform/external/qemu/+/emu-master-dev/android/android-emu/android/base/SubAllocator.h https://android.googlesource.com/platfo

https://android.googlesource.com/platform/external/qemu/+/emu-master-dev/android/android-emu/android/base/SubAllocator.h https://android.googlesource.com/platform/external/qemu/+/em... https://android.googlesource.com/platform/external/qemu/+/emu-master-dev/android/android-emu/android/base/SubAllocator.cpp https://android.googlesource.com/platform/external/qemu/+/em... https://android.googlesource.com/platform/external/qemu/+/emu-master-dev/android/android-emu/android/base/address_space.h https://android.googlesource.com/platform/external/qemu/+/em... These 3 files should be a fairly self contained, minimal way to allocate into existing buffers. No attempt is made at thread safety though (we assume the user synchronizes that themselves)