[Legacy] QEMU Instrumentation

Major features

External and incremental snapshots

Singlestepping

Multi-node

How to bump QEMU version

Short version, nothing goes wrong

1. Fetch the latest version branch from QEMU git remote add qemu-orig https://gitlab.com/qemu-project/qemu.git git fetch qemu-orig vLAST_VER
2. Merge and solve conflicts target/arm/tcg/translate-a64.c is the most challenging conflict to solve
3. Make sure you can build with all the ./configure arguments enabled, and without any

Long version

1. Check latest QEMU version in qemu/VERSION
2. Fetch the version matching current qemu/VERSION and latest branch from QEMU git remote add qemu-orig https://gitlab.com/qemu-project/qemu.git git fetch qemu-orig vCURR_VER git fetch qemu-orig vLAST_VER
3. Make a diff file from qflex qemu and vCURR_VER qemu
4. Apply patch on top of vLAST_VER
5. Solve conflicts and build errors
6. Apply those conflicts solutions to qflex qemu
7. Merge with vLAST_VER