* 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.
* Adds the feature gate stop_truncating_strings_in_syscalls.
* Removes the truncation of everything after the first NULL byte in translate_string_and_do().
* Bumps solana_rbpf to v0.2.36
* Removes ThisInstructionMeter.
* Removes one "unsafe" expression.
* Removes redundant call to solana_rbpf:🧝:register_bpf_function().
* Adjusts SyscallFunction and SyscallRegistry.
* Inlines ProgramEnvironment into EbpfVm.
* Refactors trait SyscallConsume into fn consume_compute_meter().
* Inlines ComputeMeter into InvokeContext.
* Removes solana-metrics dependency from bpf_loader.
* Replaces RBPF tracer functionality by the debugger.
* Take compute_units_consumed from execute_program().
* Merges execute_program_interpreted() and execute_program_jit().
* Extends is_nonoverlapping() to be able to deal with two different lengths.
* Uses is_nonoverlapping() for syscall output parameters.
* Feature gates the new throws of SyscallError::CopyOverlapping.
* Adds tests which trigger SyscallError::CopyOverlapping.
* Moves disable_deploy_of_alloc_free_syscall parameter inside create_executor().
* Lets register_syscalls() take &FeatureSet only instead of the entire InvokeContext.
* Uses ic_logger_msg!() instead of ic_msg!() inside create_executor().
Inlines map_ebpf_error().
* Adds register_syscalls_us to executor_metrics::CreateMetrics.
* Moves timings accumulation into executor_metrics::CreateMetrics::submit_datapoint().
* Moves &invoke_context.feature_set into a variable.
* Lets create_executor() return executor_metrics::CreateMetrics via a mutable parameter.
* Dissolves invoke_context parameter in create_executor().
* Pulls assignment of create_executor_metrics.program_id outside of create_executor().
* Makes create_executor() take a byte slice instead of a BorrowedAccount.
* Adds create_executor_from_account().
* Bumps solana_rbpf to 0.2.34
* Removes generic UserError from EbpfError.
* Uses ProgramResult for syscalls.
Removes use sites of the question_mark! macro by wrapping the call method of SyscallObjects.
* Uses InvokeContext as syscall context object directly.
* Replaces bind_syscall_context_object() by a parameter in the constructor.
* Inlines bind_syscall_context_objects() at its only call site.
* Lets instruction_accounts_lamport_sum() have the &InstructionContext as parameter directly.
* Updates docu comments.
* Uses accessors methods instead of accessing private properties of other structs.
* Adds #![deny(clippy::indexing_slicing)].
* Has get_signers() return a Result instead of using unwrap().
* Removes InvokeContext::get_key_of_account_at_index().
* Replaces InstructionContext::new() by InstructionContext::configure().
Adds TransactionContext::get_next_instruction_context().
* Switch back to using references as parameters.
* Hoists InstructionContext::configure() from TransactionContext::push() into InvokeContext::push().
* Moves InstructionContext::config() to the beginning of InvokeContext::push().
* Hoists InstructionContext::configure() from InvokeContext::push() into InvokeContext::process_instruction().
* Review feedback: Updates docu comments.
* Flattens TransactionContext::instruction_trace.
* Stop the search at transaction level.
* Renames get_instruction_context_at => get_instruction_context_at_nesting_level.
* Removes TransactionContext::get_instruction_trace().
Adds TransactionContext::get_instruction_trace_length() and TransactionContext::get_instruction_context_at_index().
* Have TransactionContext::instruction_accounts_lamport_sum() accept an iterator instead of a slice.
* Removes instruction_trace from ExecutionRecord.
* make InstructionContext::new() private
* Adds the feature disable_cpi_setting_executable_and_rent_epoch.
* Adds the feature gate for disable_cpi_setting_executable_and_rent_epoch.
* Removes TEST_EXECUTABLE_LAMPORTS.
* Test that is_executable and rent_epoch are ignored.