* Moves stable_log::program_invoke(), stable_log::program_success() and stable_log::program_failure() calls from bpf_loader into InvokeContext::process_executable_chain().
* Turns result of ProcessInstructionWithContext from InstructionError into Box<dyn std::error::Error>.
* Bump to solana_rbpf v0.3.0
* Removes Result from return type of EbpfVm::new().
* Turns EbpfError into Box<dyn std::error::Error>.
* Removes BpfError.
* Removes SyscallError::InstructionError.
* Adds a type alias for Box<dyn std::error::Error> in syscalls.
* Uses InvokeContext::process_instruction() in mock_process_instruction().
* Uses InvokeContext::process_instruction() in tests of loader-v3.
* Only throw InstructionError::BuiltinProgramsMustConsumeComputeUnits if result.is_ok().
* Adds CU cost to loader-v3.
Alexander Meißner
Pankaj Garg