This is the GDB RSP client in Smalltalk, as described in Cambridge [1] and Brescia [2].
[1] Shingarov, B. (2014). Modern problems for the Smalltalk VM. ACM SIGPLAN: IWST, Cambridge, UK.
[2] Shingarov, B. (2015). Live Introspection of Target-Agnostic JIT in Simulation. ACM SIGPLAN: IWST, Brescia, Italy.
Metacello new
baseline: 'SmallRSP';
repository: 'github://shingarov/SmallRSP:squeak';
load.