diff --git a/Cargo.lock b/Cargo.lock
index ad07c9760c..3bf7312ccf 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4707,6 +4707,7 @@ dependencies = [
 name = "solana-compute-budget-program"
 version = "1.9.0"
 dependencies = [
+ "solana-program-runtime",
  "solana-sdk",
 ]
 
@@ -5440,7 +5441,9 @@ dependencies = [
 name = "solana-program-runtime"
 version = "1.9.0"
 dependencies = [
+ "base64 0.13.0",
  "bincode",
+ "itertools 0.10.1",
  "libc",
  "libloading",
  "log 0.4.14",
diff --git a/program-runtime/Cargo.toml b/program-runtime/Cargo.toml
index afcacaf148..0798e60c1a 100644
--- a/program-runtime/Cargo.toml
+++ b/program-runtime/Cargo.toml
@@ -10,7 +10,9 @@ documentation = "https://docs.rs/solana-program-runtime"
 edition = "2018"
 
 [dependencies]
+base64 = "0.13"
 bincode = "1.3.3"
+itertools =  "0.10.1"
 libc = "0.2.101"
 libloading = "0.7.0"
 log = "0.4.14"
diff --git a/program-runtime/src/instruction_processor.rs b/program-runtime/src/instruction_processor.rs
index 2423a6f1d0..95e3804a16 100644
--- a/program-runtime/src/instruction_processor.rs
+++ b/program-runtime/src/instruction_processor.rs
@@ -1,15 +1,17 @@
-use crate::native_loader::NativeLoader;
+use crate::{
+    ic_msg,
+    invoke_context::{InvokeContext, ProcessInstructionWithContext},
+    native_loader::NativeLoader,
+};
 use serde::{Deserialize, Serialize};
 use solana_sdk::{
     account::{AccountSharedData, ReadableAccount, WritableAccount},
     account_utils::StateMut,
     bpf_loader_upgradeable::{self, UpgradeableLoaderState},
     feature_set::{demote_program_write_locks, do_support_realloc, remove_native_loader},
-    ic_msg,
     instruction::{Instruction, InstructionError},
     keyed_account::keyed_account_at_index,
     message::Message,
-    process_instruction::{Executor, InvokeContext, ProcessInstructionWithContext},
     pubkey::Pubkey,
     rent::Rent,
     system_instruction::MAX_PERMITTED_DATA_LENGTH,
@@ -18,10 +20,23 @@ use solana_sdk::{
 use std::{
     cell::{Ref, RefCell, RefMut},
     collections::HashMap,
+    fmt::Debug,
     rc::Rc,
     sync::Arc,
 };
 
+/// Program executor
+pub trait Executor: Debug + Send + Sync {
+    /// Execute the program
+    fn execute(
+        &self,
+        first_instruction_account: usize,
+        instruction_data: &[u8],
+        invoke_context: &mut dyn InvokeContext,
+        use_jit: bool,
+    ) -> Result<(), InstructionError>;
+}
+
 #[derive(Default)]
 pub struct Executors {
     pub executors: HashMap<Pubkey, Arc<dyn Executor>>,
diff --git a/program-runtime/src/invoke_context.rs b/program-runtime/src/invoke_context.rs
index eb7a7fdd94..5868e3cc11 100644
--- a/program-runtime/src/invoke_context.rs
+++ b/program-runtime/src/invoke_context.rs
@@ -1,5 +1,6 @@
 use crate::{
-    instruction_processor::{ExecuteDetailsTimings, Executors, PreAccount},
+    ic_logger_msg, ic_msg,
+    instruction_processor::{ExecuteDetailsTimings, Executor, Executors, PreAccount},
     instruction_recorder::InstructionRecorder,
     log_collector::LogCollector,
 };
@@ -12,19 +13,23 @@ use solana_sdk::{
         remove_native_loader, requestable_heap_size, tx_wide_compute_cap, FeatureSet,
     },
     hash::Hash,
-    ic_logger_msg, ic_msg,
     instruction::{AccountMeta, CompiledInstruction, Instruction, InstructionError},
     keyed_account::{create_keyed_accounts_unified, KeyedAccount},
     message::Message,
-    process_instruction::{
-        ComputeMeter, Executor, InvokeContext, Logger, ProcessInstructionWithContext,
-    },
     pubkey::Pubkey,
     rent::Rent,
     sysvar::Sysvar,
 };
 use std::{cell::RefCell, rc::Rc, sync::Arc};
 
+/// Compute meter
+pub trait ComputeMeter {
+    /// Consume compute units
+    fn consume(&mut self, amount: u64) -> Result<(), InstructionError>;
+    /// Get the number of remaining compute units
+    fn get_remaining(&self) -> u64;
+}
+
 pub struct ThisComputeMeter {
     remaining: u64,
 }
@@ -47,6 +52,17 @@ impl ThisComputeMeter {
     }
 }
 
+/// Log messages
+pub trait Logger {
+    fn log_enabled(&self) -> bool;
+
+    /// Log a message.
+    ///
+    /// Unless explicitly stated, log messages are not considered stable and may change in the
+    /// future as necessary
+    fn log(&self, message: &str);
+}
+
 pub struct ThisLogger {
     log_collector: Option<Rc<LogCollector>>,
 }
@@ -67,6 +83,36 @@ impl ThisLogger {
     }
 }
 
+/// Convenience macro to log a message with an `Rc<RefCell<dyn Logger>>`
+#[macro_export]
+macro_rules! ic_logger_msg {
+    ($logger:expr, $message:expr) => {
+        if let Ok(logger) = $logger.try_borrow_mut() {
+            if logger.log_enabled() {
+                logger.log($message);
+            }
+        }
+    };
+    ($logger:expr, $fmt:expr, $($arg:tt)*) => {
+        if let Ok(logger) = $logger.try_borrow_mut() {
+            if logger.log_enabled() {
+                logger.log(&format!($fmt, $($arg)*));
+            }
+        }
+    };
+}
+
+/// Convenience macro to log a message with an `InvokeContext`
+#[macro_export]
+macro_rules! ic_msg {
+    ($invoke_context:expr, $message:expr) => {
+        $crate::ic_logger_msg!($invoke_context.get_logger(), $message)
+    };
+    ($invoke_context:expr, $fmt:expr, $($arg:tt)*) => {
+        $crate::ic_logger_msg!($invoke_context.get_logger(), $fmt, $($arg)*)
+    };
+}
+
 pub struct InvokeContextStackFrame<'a> {
     pub number_of_program_accounts: usize,
     pub keyed_accounts: Vec<KeyedAccount<'a>>,
@@ -185,6 +231,90 @@ impl<'a> ThisInvokeContext<'a> {
         )
     }
 }
+
+/// Invocation context passed to loaders
+pub trait InvokeContext {
+    /// Push a stack frame onto the invocation stack
+    fn push(
+        &mut self,
+        message: &Message,
+        instruction: &CompiledInstruction,
+        program_indices: &[usize],
+        account_indices: Option<&[usize]>,
+    ) -> Result<(), InstructionError>;
+    /// Pop a stack frame from the invocation stack
+    fn pop(&mut self);
+    /// Current depth of the invocation stake
+    fn invoke_depth(&self) -> usize;
+    /// Verify the results of an instruction
+    fn verify(
+        &mut self,
+        message: &Message,
+        instruction: &CompiledInstruction,
+        program_indices: &[usize],
+    ) -> Result<(), InstructionError>;
+    /// Verify and update PreAccount state based on program execution
+    fn verify_and_update(
+        &mut self,
+        instruction: &CompiledInstruction,
+        account_indices: &[usize],
+        write_privileges: &[bool],
+    ) -> Result<(), InstructionError>;
+    /// Get the program ID of the currently executing program
+    fn get_caller(&self) -> Result<&Pubkey, InstructionError>;
+    /// Removes the first keyed account
+    #[deprecated(
+        since = "1.9.0",
+        note = "To be removed together with remove_native_loader"
+    )]
+    fn remove_first_keyed_account(&mut self) -> Result<(), InstructionError>;
+    /// Get the list of keyed accounts
+    fn get_keyed_accounts(&self) -> Result<&[KeyedAccount], InstructionError>;
+    /// Get a list of built-in programs
+    fn get_programs(&self) -> &[(Pubkey, ProcessInstructionWithContext)];
+    /// Get this invocation's logger
+    fn get_logger(&self) -> Rc<RefCell<dyn Logger>>;
+    /// Get this invocation's compute meter
+    fn get_compute_meter(&self) -> Rc<RefCell<dyn ComputeMeter>>;
+    /// Loaders may need to do work in order to execute a program.  Cache
+    /// the work that can be re-used across executions
+    fn add_executor(&self, pubkey: &Pubkey, executor: Arc<dyn Executor>);
+    /// Get the completed loader work that can be re-used across executions
+    fn get_executor(&self, pubkey: &Pubkey) -> Option<Arc<dyn Executor>>;
+    /// Set which instruction in the message is currently being recorded
+    fn set_instruction_index(&mut self, instruction_index: usize);
+    /// Record invoked instruction
+    fn record_instruction(&self, instruction: &Instruction);
+    /// Get the bank's active feature set
+    fn is_feature_active(&self, feature_id: &Pubkey) -> bool;
+    /// Find an account_index and account by its key
+    fn get_account(&self, pubkey: &Pubkey) -> Option<(usize, Rc<RefCell<AccountSharedData>>)>;
+    /// Update timing
+    fn update_timing(
+        &mut self,
+        serialize_us: u64,
+        create_vm_us: u64,
+        execute_us: u64,
+        deserialize_us: u64,
+    );
+    /// Get sysvars
+    fn get_sysvars(&self) -> &[(Pubkey, Vec<u8>)];
+    /// Get this invocation's compute budget
+    fn get_compute_budget(&self) -> &ComputeBudget;
+    /// Set this invocation's blockhash
+    fn set_blockhash(&mut self, hash: Hash);
+    /// Get this invocation's blockhash
+    fn get_blockhash(&self) -> &Hash;
+    /// Set this invocation's lamports_per_signature value
+    fn set_lamports_per_signature(&mut self, lamports_per_signature: u64);
+    /// Get this invocation's lamports_per_signature value
+    fn get_lamports_per_signature(&self) -> u64;
+    /// Set the return data
+    fn set_return_data(&mut self, data: Vec<u8>) -> Result<(), InstructionError>;
+    /// Get the return data
+    fn get_return_data(&self) -> (Pubkey, &[u8]);
+}
+
 impl<'a> InvokeContext for ThisInvokeContext<'a> {
     fn push(
         &mut self,
@@ -552,6 +682,9 @@ pub fn get_sysvar<T: Sysvar>(
         })
 }
 
+pub type ProcessInstructionWithContext =
+    fn(usize, &[u8], &mut dyn InvokeContext) -> Result<(), InstructionError>;
+
 pub struct MockInvokeContextPreparation {
     pub accounts: Vec<(Pubkey, Rc<RefCell<AccountSharedData>>)>,
     pub message: Message,
diff --git a/program-runtime/src/lib.rs b/program-runtime/src/lib.rs
index 94a1005ab6..46eafcea95 100644
--- a/program-runtime/src/lib.rs
+++ b/program-runtime/src/lib.rs
@@ -6,3 +6,4 @@ pub mod invoke_context;
 pub mod log_collector;
 pub mod native_loader;
 pub mod neon_evm_program;
+pub mod stable_log;
diff --git a/program-runtime/src/native_loader.rs b/program-runtime/src/native_loader.rs
index 96c179734d..659148b4bb 100644
--- a/program-runtime/src/native_loader.rs
+++ b/program-runtime/src/native_loader.rs
@@ -1,4 +1,5 @@
 //! Native loader
+use crate::invoke_context::InvokeContext;
 #[cfg(unix)]
 use libloading::os::unix::*;
 #[cfg(windows)]
@@ -12,7 +13,6 @@ use solana_sdk::{
     instruction::InstructionError,
     keyed_account::{keyed_account_at_index, KeyedAccount},
     native_loader,
-    process_instruction::InvokeContext,
     pubkey::Pubkey,
 };
 use std::{
diff --git a/program-runtime/src/stable_log.rs b/program-runtime/src/stable_log.rs
new file mode 100644
index 0000000000..f49170a5ce
--- /dev/null
+++ b/program-runtime/src/stable_log.rs
@@ -0,0 +1,94 @@
+//! Stable program log messages
+//!
+//! The format of these log messages should not be modified to avoid breaking downstream consumers
+//! of program logging
+use crate::{ic_logger_msg, invoke_context::Logger};
+use itertools::Itertools;
+use solana_sdk::{instruction::InstructionError, pubkey::Pubkey};
+use std::{cell::RefCell, rc::Rc};
+
+/// Log a program invoke.
+///
+/// The general form is:
+///
+/// ```notrust
+/// "Program <address> invoke [<depth>]"
+/// ```
+pub fn program_invoke(logger: &Rc<RefCell<dyn Logger>>, program_id: &Pubkey, invoke_depth: usize) {
+    ic_logger_msg!(logger, "Program {} invoke [{}]", program_id, invoke_depth);
+}
+
+/// Log a message from the program itself.
+///
+/// The general form is:
+///
+/// ```notrust
+/// "Program log: <program-generated output>"
+/// ```
+///
+/// That is, any program-generated output is guaranteed to be prefixed by "Program log: "
+pub fn program_log(logger: &Rc<RefCell<dyn Logger>>, message: &str) {
+    ic_logger_msg!(logger, "Program log: {}", message);
+}
+
+/// Emit a program data.
+///
+/// The general form is:
+///
+/// ```notrust
+/// "Program data: <binary-data-in-base64>*"
+/// ```
+///
+/// That is, any program-generated output is guaranteed to be prefixed by "Program data: "
+pub fn program_data(logger: &Rc<RefCell<dyn Logger>>, data: &[&[u8]]) {
+    ic_logger_msg!(
+        logger,
+        "Program data: {}",
+        data.iter().map(base64::encode).join(" ")
+    );
+}
+
+/// Log return data as from the program itself. This line will not be present if no return
+/// data was set, or if the return data was set to zero length.
+///
+/// The general form is:
+///
+/// ```notrust
+/// "Program return: <program-id> <program-generated-data-in-base64>"
+/// ```
+///
+/// That is, any program-generated output is guaranteed to be prefixed by "Program return: "
+pub fn program_return(logger: &Rc<RefCell<dyn Logger>>, program_id: &Pubkey, data: &[u8]) {
+    ic_logger_msg!(
+        logger,
+        "Program return: {} {}",
+        program_id,
+        base64::encode(data)
+    );
+}
+
+/// Log successful program execution.
+///
+/// The general form is:
+///
+/// ```notrust
+/// "Program <address> success"
+/// ```
+pub fn program_success(logger: &Rc<RefCell<dyn Logger>>, program_id: &Pubkey) {
+    ic_logger_msg!(logger, "Program {} success", program_id);
+}
+
+/// Log program execution failure
+///
+/// The general form is:
+///
+/// ```notrust
+/// "Program <address> failed: <program error details>"
+/// ```
+pub fn program_failure(
+    logger: &Rc<RefCell<dyn Logger>>,
+    program_id: &Pubkey,
+    err: &InstructionError,
+) {
+    ic_logger_msg!(logger, "Program {} failed: {}", program_id, err);
+}
diff --git a/program-test/src/lib.rs b/program-test/src/lib.rs
index 88d222cee7..600dc0476a 100644
--- a/program-test/src/lib.rs
+++ b/program-test/src/lib.rs
@@ -9,7 +9,10 @@ use {
     log::*,
     solana_banks_client::start_client,
     solana_banks_server::banks_server::start_local_server,
-    solana_program_runtime::instruction_processor::InstructionProcessor,
+    solana_program_runtime::{
+        instruction_processor::InstructionProcessor, invoke_context::ProcessInstructionWithContext,
+        stable_log,
+    },
     solana_runtime::{
         bank::{Bank, ExecuteTimings},
         bank_forks::BankForks,
@@ -33,7 +36,6 @@ use {
         message::Message,
         native_token::sol_to_lamports,
         poh_config::PohConfig,
-        process_instruction::{stable_log, InvokeContext, ProcessInstructionWithContext},
         program_error::{ProgramError, ACCOUNT_BORROW_FAILED, UNSUPPORTED_SYSVAR},
         pubkey::Pubkey,
         rent::Rent,
@@ -66,6 +68,7 @@ use {
 
 // Export types so test clients can limit their solana crate dependencies
 pub use solana_banks_client::BanksClient;
+pub use solana_program_runtime::invoke_context::InvokeContext;
 
 // Export tokio for test clients
 pub use tokio;
@@ -187,7 +190,7 @@ macro_rules! processor {
         Some(
             |first_instruction_account: usize,
              input: &[u8],
-             invoke_context: &mut dyn solana_sdk::process_instruction::InvokeContext| {
+             invoke_context: &mut dyn solana_program_test::InvokeContext| {
                 $crate::builtin_process_instruction(
                     $process_instruction,
                     first_instruction_account,
diff --git a/programs/bpf/Cargo.lock b/programs/bpf/Cargo.lock
index 1a74bc1f42..a40f394124 100644
--- a/programs/bpf/Cargo.lock
+++ b/programs/bpf/Cargo.lock
@@ -2795,6 +2795,7 @@ name = "solana-bpf-rust-mem"
 version = "1.9.0"
 dependencies = [
  "solana-program 1.9.0",
+ "solana-program-runtime",
  "solana-program-test",
  "solana-sdk",
 ]
@@ -2879,6 +2880,7 @@ name = "solana-bpf-rust-sanity"
 version = "1.9.0"
 dependencies = [
  "solana-program 1.9.0",
+ "solana-program-runtime",
  "solana-program-test",
  "solana-sdk",
 ]
@@ -2917,6 +2919,7 @@ name = "solana-bpf-rust-sysvar"
 version = "1.9.0"
 dependencies = [
  "solana-program 1.9.0",
+ "solana-program-runtime",
  "solana-program-test",
  "solana-sdk",
 ]
@@ -3036,6 +3039,7 @@ dependencies = [
 name = "solana-compute-budget-program"
 version = "1.9.0"
 dependencies = [
+ "solana-program-runtime",
  "solana-sdk",
 ]
 
@@ -3047,6 +3051,7 @@ dependencies = [
  "chrono",
  "serde",
  "serde_derive",
+ "solana-program-runtime",
  "solana-sdk",
 ]
 
@@ -3310,7 +3315,9 @@ dependencies = [
 name = "solana-program-runtime"
 version = "1.9.0"
 dependencies = [
+ "base64 0.13.0",
  "bincode",
+ "itertools 0.10.1",
  "libc",
  "libloading",
  "log",
@@ -3578,6 +3585,7 @@ dependencies = [
  "solana-frozen-abi-macro 1.9.0",
  "solana-logger 1.9.0",
  "solana-metrics",
+ "solana-program-runtime",
  "solana-sdk",
  "thiserror",
 ]
diff --git a/programs/bpf/benches/bpf_loader.rs b/programs/bpf/benches/bpf_loader.rs
index 5826338e4a..05fa85e090 100644
--- a/programs/bpf/benches/bpf_loader.rs
+++ b/programs/bpf/benches/bpf_loader.rs
@@ -18,14 +18,13 @@ use solana_runtime::{
     genesis_utils::{create_genesis_config, GenesisConfigInfo},
     loader_utils::load_program,
 };
-use solana_program_runtime::invoke_context::with_mock_invoke_context;
+use solana_program_runtime::invoke_context::{with_mock_invoke_context, InvokeContext};
 use solana_sdk::{
     bpf_loader,
     client::SyncClient,
     entrypoint::SUCCESS,
     instruction::{AccountMeta, Instruction},
     message::Message,
-    process_instruction::InvokeContext,
     pubkey::Pubkey,
     signature::{Keypair, Signer},
 };
diff --git a/programs/bpf/rust/mem/Cargo.toml b/programs/bpf/rust/mem/Cargo.toml
index 8fe9bef014..9c73e09e3a 100644
--- a/programs/bpf/rust/mem/Cargo.toml
+++ b/programs/bpf/rust/mem/Cargo.toml
@@ -16,6 +16,7 @@ no-entrypoint = []
 solana-program = { path = "../../../../sdk/program", version = "=1.9.0" }
 
 [dev-dependencies]
+solana-program-runtime = { path = "../../../../program-runtime", version = "=1.9.0" }
 solana-program-test = { path = "../../../../program-test", version = "=1.9.0" }
 solana-sdk = { path = "../../../../sdk", version = "=1.9.0" }
 
diff --git a/programs/bpf/rust/sanity/Cargo.toml b/programs/bpf/rust/sanity/Cargo.toml
index 09ea17efba..c008be80b1 100644
--- a/programs/bpf/rust/sanity/Cargo.toml
+++ b/programs/bpf/rust/sanity/Cargo.toml
@@ -16,6 +16,7 @@ test-bpf = []
 solana-program = { path = "../../../../sdk/program", version = "=1.9.0" }
 
 [dev-dependencies]
+solana-program-runtime = { path = "../../../../program-runtime", version = "=1.9.0" }
 solana-program-test = { path = "../../../../program-test", version = "=1.9.0" }
 solana-sdk = { path = "../../../../sdk", version = "=1.9.0" }
 
diff --git a/programs/bpf/rust/sysvar/Cargo.toml b/programs/bpf/rust/sysvar/Cargo.toml
index 23c21703d0..8b18e2fcc4 100644
--- a/programs/bpf/rust/sysvar/Cargo.toml
+++ b/programs/bpf/rust/sysvar/Cargo.toml
@@ -13,6 +13,7 @@ edition = "2018"
 solana-program = { path = "../../../../sdk/program", version = "=1.9.0" }
 
 [dev-dependencies]
+solana-program-runtime = { path = "../../../../program-runtime", version = "=1.9.0" }
 solana-program-test = { path = "../../../../program-test", version = "=1.9.0" }
 solana-sdk = { path = "../../../../sdk", version = "=1.9.0" }
 
diff --git a/programs/bpf/tests/programs.rs b/programs/bpf/tests/programs.rs
index f3c1fb1470..51d820bc60 100644
--- a/programs/bpf/tests/programs.rs
+++ b/programs/bpf/tests/programs.rs
@@ -31,7 +31,7 @@ use solana_runtime::{
         upgrade_program,
     },
 };
-use solana_program_runtime::invoke_context::with_mock_invoke_context;
+use solana_program_runtime::invoke_context::{with_mock_invoke_context, InvokeContext};
 use solana_sdk::{
     account::{AccountSharedData, ReadableAccount},
     account_utils::StateMut,
@@ -43,7 +43,6 @@ use solana_sdk::{
     instruction::{AccountMeta, CompiledInstruction, Instruction, InstructionError},
     loader_instruction,
     message::{Message, SanitizedMessage},
-    process_instruction::InvokeContext,
     pubkey::Pubkey,
     signature::{keypair_from_seed, Keypair, Signer},
     system_instruction::{self, MAX_PERMITTED_DATA_LENGTH},
diff --git a/programs/bpf_loader/src/lib.rs b/programs/bpf_loader/src/lib.rs
index b03107965c..0a78fa67b5 100644
--- a/programs/bpf_loader/src/lib.rs
+++ b/programs/bpf_loader/src/lib.rs
@@ -14,7 +14,12 @@ use crate::{
 };
 use log::{log_enabled, trace, Level::Trace};
 use solana_measure::measure::Measure;
-use solana_program_runtime::instruction_processor::InstructionProcessor;
+use solana_program_runtime::{
+    ic_logger_msg, ic_msg,
+    instruction_processor::{Executor, InstructionProcessor},
+    invoke_context::{ComputeMeter, InvokeContext, Logger},
+    stable_log,
+};
 use solana_rbpf::{
     aligned_memory::AlignedMemory,
     ebpf::HOST_ALIGN,
@@ -35,12 +40,10 @@ use solana_sdk::{
         reject_deployment_of_unresolved_syscalls, requestable_heap_size,
         stop_verify_mul64_imm_nonzero,
     },
-    ic_logger_msg, ic_msg,
     instruction::{AccountMeta, InstructionError},
     keyed_account::{from_keyed_account, keyed_account_at_index, KeyedAccount},
     loader_instruction::LoaderInstruction,
     loader_upgradeable_instruction::UpgradeableLoaderInstruction,
-    process_instruction::{stable_log, ComputeMeter, Executor, InvokeContext, Logger},
     program_utils::limited_deserialize,
     pubkey::Pubkey,
     rent::Rent,
diff --git a/programs/bpf_loader/src/serialization.rs b/programs/bpf_loader/src/serialization.rs
index cf994d132d..d9aeae6302 100644
--- a/programs/bpf_loader/src/serialization.rs
+++ b/programs/bpf_loader/src/serialization.rs
@@ -316,13 +316,14 @@ pub fn deserialize_parameters_aligned(
 #[cfg(test)]
 mod tests {
     use super::*;
-    use solana_program_runtime::invoke_context::{prepare_mock_invoke_context, ThisInvokeContext};
+    use solana_program_runtime::invoke_context::{
+        prepare_mock_invoke_context, InvokeContext, ThisInvokeContext,
+    };
     use solana_sdk::{
         account::{Account, AccountSharedData},
         account_info::AccountInfo,
         bpf_loader,
         entrypoint::deserialize,
-        process_instruction::InvokeContext,
     };
     use std::{
         cell::RefCell,
diff --git a/programs/bpf_loader/src/syscalls.rs b/programs/bpf_loader/src/syscalls.rs
index 6d5a050ca2..0b07a3b0c4 100644
--- a/programs/bpf_loader/src/syscalls.rs
+++ b/programs/bpf_loader/src/syscalls.rs
@@ -1,6 +1,11 @@
 use crate::{alloc, BpfError};
 use alloc::Alloc;
-use solana_program_runtime::instruction_processor::InstructionProcessor;
+use solana_program_runtime::{
+    ic_msg,
+    instruction_processor::InstructionProcessor,
+    invoke_context::{ComputeMeter, InvokeContext, Logger},
+    stable_log,
+};
 use solana_rbpf::{
     aligned_memory::AlignedMemory,
     ebpf,
@@ -25,13 +30,11 @@ use solana_sdk::{
         secp256k1_recover_syscall_enabled, sol_log_data_syscall_enabled,
     },
     hash::{Hasher, HASH_BYTES},
-    ic_msg,
     instruction::{AccountMeta, Instruction, InstructionError},
     keccak,
     message::Message,
     native_loader,
     precompiles::is_precompile,
-    process_instruction::{stable_log, ComputeMeter, InvokeContext, Logger},
     program::MAX_RETURN_DATA,
     pubkey::{Pubkey, PubkeyError, MAX_SEEDS, MAX_SEED_LEN},
     rent::Rent,
diff --git a/programs/compute-budget/Cargo.toml b/programs/compute-budget/Cargo.toml
index 20bb02ffa3..744ae7cd4d 100644
--- a/programs/compute-budget/Cargo.toml
+++ b/programs/compute-budget/Cargo.toml
@@ -10,6 +10,7 @@ license = "Apache-2.0"
 edition = "2018"
 
 [dependencies]
+solana-program-runtime = { path = "../../program-runtime", version = "=1.9.0" }
 solana-sdk = { path = "../../sdk", version = "=1.9.0" }
 
 [lib]
diff --git a/programs/compute-budget/src/lib.rs b/programs/compute-budget/src/lib.rs
index 6f74501f69..5e0573d74c 100644
--- a/programs/compute-budget/src/lib.rs
+++ b/programs/compute-budget/src/lib.rs
@@ -1,4 +1,5 @@
-use solana_sdk::{instruction::InstructionError, process_instruction::InvokeContext};
+use solana_program_runtime::invoke_context::InvokeContext;
+use solana_sdk::instruction::InstructionError;
 
 pub fn process_instruction(
     _first_instruction_account: usize,
diff --git a/programs/config/Cargo.toml b/programs/config/Cargo.toml
index 6861b708e9..27bdb4c076 100644
--- a/programs/config/Cargo.toml
+++ b/programs/config/Cargo.toml
@@ -14,11 +14,11 @@ bincode = "1.3.3"
 chrono = { version = "0.4.11", features = ["serde"] }
 serde = "1.0.130"
 serde_derive = "1.0.103"
+solana-program-runtime = { path = "../../program-runtime", version = "=1.9.0" }
 solana-sdk = { path = "../../sdk", version = "=1.9.0" }
 
 [dev-dependencies]
 solana-logger = { path = "../../logger", version = "=1.9.0" }
-solana-program-runtime = { path = "../../program-runtime", version = "=1.9.0" }
 
 [lib]
 crate-type = ["lib"]
diff --git a/programs/config/src/config_processor.rs b/programs/config/src/config_processor.rs
index 1cf2a753c2..60a28e8ef9 100644
--- a/programs/config/src/config_processor.rs
+++ b/programs/config/src/config_processor.rs
@@ -2,12 +2,12 @@
 
 use crate::ConfigKeys;
 use bincode::deserialize;
+use solana_program_runtime::{ic_msg, invoke_context::InvokeContext};
 use solana_sdk::{
     account::{ReadableAccount, WritableAccount},
-    feature_set, ic_msg,
+    feature_set,
     instruction::InstructionError,
     keyed_account::keyed_account_at_index,
-    process_instruction::InvokeContext,
     program_utils::limited_deserialize,
     pubkey::Pubkey,
 };
diff --git a/programs/stake/Cargo.toml b/programs/stake/Cargo.toml
index 5aced68478..4282365a17 100644
--- a/programs/stake/Cargo.toml
+++ b/programs/stake/Cargo.toml
@@ -19,8 +19,8 @@ serde_derive = "1.0.103"
 solana-frozen-abi = { path = "../../frozen-abi", version = "=1.9.0" }
 solana-frozen-abi-macro = { path = "../../frozen-abi/macro", version = "=1.9.0" }
 solana-metrics = { path = "../../metrics", version = "=1.9.0" }
-solana-sdk = { path = "../../sdk", version = "=1.9.0" }
 solana-program-runtime = { path = "../../program-runtime", version = "=1.9.0" }
+solana-sdk = { path = "../../sdk", version = "=1.9.0" }
 solana-vote-program = { path = "../vote", version = "=1.9.0" }
 solana-config-program = { path = "../config", version = "=1.9.0" }
 thiserror = "1.0"
diff --git a/programs/stake/src/stake_instruction.rs b/programs/stake/src/stake_instruction.rs
index e87d829039..25c50a1a4a 100644
--- a/programs/stake/src/stake_instruction.rs
+++ b/programs/stake/src/stake_instruction.rs
@@ -1,12 +1,11 @@
 use {
     crate::{config, stake_state::StakeAccount},
     log::*,
-    solana_program_runtime::invoke_context::get_sysvar,
+    solana_program_runtime::invoke_context::{get_sysvar, InvokeContext},
     solana_sdk::{
         feature_set,
         instruction::InstructionError,
         keyed_account::{from_keyed_account, get_signers, keyed_account_at_index},
-        process_instruction::InvokeContext,
         program_utils::limited_deserialize,
         stake::{
             instruction::StakeInstruction,
diff --git a/programs/stake/src/stake_state.rs b/programs/stake/src/stake_state.rs
index e6be6fce59..4407f6ab52 100644
--- a/programs/stake/src/stake_state.rs
+++ b/programs/stake/src/stake_state.rs
@@ -4,15 +4,14 @@
 //! * own mining pools
 
 use {
+    solana_program_runtime::{ic_msg, invoke_context::InvokeContext},
     solana_sdk::{
         account::{AccountSharedData, ReadableAccount, WritableAccount},
         account_utils::{State, StateMut},
         clock::{Clock, Epoch},
         feature_set::stake_merge_with_unmatched_credits_observed,
-        ic_msg,
         instruction::{checked_add, InstructionError},
         keyed_account::KeyedAccount,
-        process_instruction::InvokeContext,
         pubkey::Pubkey,
         rent::{Rent, ACCOUNT_STORAGE_OVERHEAD},
         stake::{
diff --git a/programs/vote/Cargo.toml b/programs/vote/Cargo.toml
index b8e00af3aa..ed36542dac 100644
--- a/programs/vote/Cargo.toml
+++ b/programs/vote/Cargo.toml
@@ -20,12 +20,10 @@ solana-frozen-abi = { path = "../../frozen-abi", version = "=1.9.0" }
 solana-frozen-abi-macro = { path = "../../frozen-abi/macro", version = "=1.9.0" }
 solana-logger = { path = "../../logger", version = "=1.9.0" }
 solana-metrics = { path = "../../metrics", version = "=1.9.0" }
+solana-program-runtime = { path = "../../program-runtime", version = "=1.9.0" }
 solana-sdk = { path = "../../sdk", version = "=1.9.0" }
 thiserror = "1.0"
 
-[dev-dependencies]
-solana-program-runtime = { path = "../../program-runtime", version = "=1.9.0" }
-
 [build-dependencies]
 rustc_version = "0.4"
 
diff --git a/programs/vote/src/vote_instruction.rs b/programs/vote/src/vote_instruction.rs
index 7f54f3a1d4..bed419b753 100644
--- a/programs/vote/src/vote_instruction.rs
+++ b/programs/vote/src/vote_instruction.rs
@@ -9,13 +9,13 @@ use log::*;
 use num_derive::{FromPrimitive, ToPrimitive};
 use serde_derive::{Deserialize, Serialize};
 use solana_metrics::inc_new_counter_info;
+use solana_program_runtime::invoke_context::InvokeContext;
 use solana_sdk::{
     decode_error::DecodeError,
     feature_set,
     hash::Hash,
     instruction::{AccountMeta, Instruction, InstructionError},
     keyed_account::{from_keyed_account, get_signers, keyed_account_at_index, KeyedAccount},
-    process_instruction::InvokeContext,
     program_utils::limited_deserialize,
     pubkey::Pubkey,
     system_instruction,
diff --git a/rbpf-cli/src/main.rs b/rbpf-cli/src/main.rs
index b693931dc2..63c7da8044 100644
--- a/rbpf-cli/src/main.rs
+++ b/rbpf-cli/src/main.rs
@@ -5,16 +5,16 @@ use solana_bpf_loader_program::{
     create_vm, serialization::serialize_parameters, syscalls::register_syscalls, BpfError,
     ThisInstructionMeter,
 };
-use solana_program_runtime::invoke_context::{prepare_mock_invoke_context, ThisInvokeContext};
+use solana_program_runtime::invoke_context::{
+    prepare_mock_invoke_context, InvokeContext, ThisInvokeContext,
+};
 use solana_rbpf::{
     assembler::assemble,
     static_analysis::Analysis,
     verifier::check,
     vm::{Config, DynamicAnalysis, Executable},
 };
-use solana_sdk::{
-    account::AccountSharedData, bpf_loader, process_instruction::InvokeContext, pubkey::Pubkey,
-};
+use solana_sdk::{account::AccountSharedData, bpf_loader, pubkey::Pubkey};
 use std::{fs::File, io::Read, io::Seek, io::SeekFrom, path::Path};
 use time::Instant;
 
diff --git a/runtime/benches/bank.rs b/runtime/benches/bank.rs
index 59fc61ab1f..61c38aeaaf 100644
--- a/runtime/benches/bank.rs
+++ b/runtime/benches/bank.rs
@@ -4,6 +4,7 @@
 extern crate test;
 
 use log::*;
+use solana_program_runtime::invoke_context::InvokeContext;
 use solana_runtime::{bank::*, bank_client::BankClient, loader_utils::create_invoke_instruction};
 use solana_sdk::{
     client::AsyncClient,
@@ -12,7 +13,6 @@ use solana_sdk::{
     genesis_config::create_genesis_config,
     instruction::InstructionError,
     message::Message,
-    process_instruction::InvokeContext,
     pubkey::Pubkey,
     signature::{Keypair, Signer},
     transaction::Transaction,
diff --git a/runtime/src/bank.rs b/runtime/src/bank.rs
index c3a7a91561..44f575d2a6 100644
--- a/runtime/src/bank.rs
+++ b/runtime/src/bank.rs
@@ -70,8 +70,9 @@ use rayon::{
 use solana_measure::measure::Measure;
 use solana_metrics::{inc_new_counter_debug, inc_new_counter_info};
 use solana_program_runtime::{
-    instruction_processor::{ExecuteDetailsTimings, Executors, InstructionProcessor},
+    instruction_processor::{ExecuteDetailsTimings, Executor, Executors, InstructionProcessor},
     instruction_recorder::InstructionRecorder,
+    invoke_context::{ComputeMeter, ProcessInstructionWithContext},
     log_collector::LogCollector,
 };
 #[allow(deprecated)]
@@ -109,7 +110,6 @@ use solana_sdk::{
     nonce, nonce_account,
     packet::PACKET_DATA_SIZE,
     precompiles::get_precompiles,
-    process_instruction::{ComputeMeter, Executor, ProcessInstructionWithContext},
     program_utils::limited_deserialize,
     pubkey::Pubkey,
     secp256k1_program,
@@ -6469,6 +6469,7 @@ pub(crate) mod tests {
         status_cache::MAX_CACHE_ENTRIES,
     };
     use crossbeam_channel::{bounded, unbounded};
+    use solana_program_runtime::invoke_context::InvokeContext;
     #[allow(deprecated)]
     use solana_sdk::sysvar::fees::Fees;
     use solana_sdk::{
@@ -6484,7 +6485,6 @@ pub(crate) mod tests {
         message::{Message, MessageHeader},
         nonce,
         poh_config::PohConfig,
-        process_instruction::InvokeContext,
         rent::Rent,
         signature::{keypair_from_seed, Keypair, Signer},
         stake::{
diff --git a/runtime/src/builtins.rs b/runtime/src/builtins.rs
index 8e84df9f2d..ed3d178341 100644
--- a/runtime/src/builtins.rs
+++ b/runtime/src/builtins.rs
@@ -1,10 +1,10 @@
 use crate::system_instruction_processor;
+use solana_program_runtime::{
+    invoke_context::{InvokeContext, ProcessInstructionWithContext},
+    stable_log,
+};
 use solana_sdk::{
-    feature_set,
-    instruction::InstructionError,
-    process_instruction::{stable_log, InvokeContext, ProcessInstructionWithContext},
-    pubkey::Pubkey,
-    stake, system_program,
+    feature_set, instruction::InstructionError, pubkey::Pubkey, stake, system_program,
 };
 use std::fmt;
 
diff --git a/runtime/src/message_processor.rs b/runtime/src/message_processor.rs
index 7e1d6204b4..d5a840e742 100644
--- a/runtime/src/message_processor.rs
+++ b/runtime/src/message_processor.rs
@@ -3,7 +3,7 @@ use solana_measure::measure::Measure;
 use solana_program_runtime::{
     instruction_processor::{ExecuteDetailsTimings, Executors, InstructionProcessor},
     instruction_recorder::InstructionRecorder,
-    invoke_context::ThisInvokeContext,
+    invoke_context::{ComputeMeter, InvokeContext, ThisInvokeContext},
     log_collector::LogCollector,
 };
 use solana_sdk::{
@@ -13,7 +13,6 @@ use solana_sdk::{
     hash::Hash,
     message::Message,
     precompiles::is_precompile,
-    process_instruction::{ComputeMeter, InvokeContext},
     pubkey::Pubkey,
     rent::Rent,
     sysvar::instructions,
diff --git a/runtime/src/nonce_keyed_account.rs b/runtime/src/nonce_keyed_account.rs
index 7f03fc0eb2..192a6b46f1 100644
--- a/runtime/src/nonce_keyed_account.rs
+++ b/runtime/src/nonce_keyed_account.rs
@@ -1,12 +1,11 @@
+use solana_program_runtime::{ic_msg, invoke_context::InvokeContext};
 use solana_sdk::{
     account::{ReadableAccount, WritableAccount},
     account_utils::State as AccountUtilsState,
     feature_set::{self, nonce_must_be_writable},
-    ic_msg,
     instruction::{checked_add, InstructionError},
     keyed_account::KeyedAccount,
     nonce::{self, state::Versions, State},
-    process_instruction::InvokeContext,
     pubkey::Pubkey,
     system_instruction::{nonce_to_instruction_error, NonceError},
     sysvar::rent::Rent,
diff --git a/runtime/src/system_instruction_processor.rs b/runtime/src/system_instruction_processor.rs
index a0cc9dc594..5c11fa6911 100644
--- a/runtime/src/system_instruction_processor.rs
+++ b/runtime/src/system_instruction_processor.rs
@@ -1,13 +1,13 @@
 use crate::nonce_keyed_account::NonceKeyedAccount;
 use log::*;
+use solana_program_runtime::{ic_msg, invoke_context::InvokeContext};
 use solana_sdk::{
     account::{AccountSharedData, ReadableAccount, WritableAccount},
     account_utils::StateMut,
-    feature_set, ic_msg,
+    feature_set,
     instruction::InstructionError,
     keyed_account::{from_keyed_account, get_signers, keyed_account_at_index, KeyedAccount},
     nonce,
-    process_instruction::InvokeContext,
     program_utils::limited_deserialize,
     pubkey::Pubkey,
     system_instruction::{NonceError, SystemError, SystemInstruction, MAX_PERMITTED_DATA_LENGTH},
diff --git a/sdk/src/lib.rs b/sdk/src/lib.rs
index 277b569665..af9aa18203 100644
--- a/sdk/src/lib.rs
+++ b/sdk/src/lib.rs
@@ -35,7 +35,6 @@ pub mod nonce_account;
 pub mod packet;
 pub mod poh_config;
 pub mod precompiles;
-pub mod process_instruction;
 pub mod program_utils;
 pub mod pubkey;
 pub mod recent_blockhashes_account;
diff --git a/sdk/src/process_instruction.rs b/sdk/src/process_instruction.rs
deleted file mode 100644
index 202850c9a6..0000000000
--- a/sdk/src/process_instruction.rs
+++ /dev/null
@@ -1,260 +0,0 @@
-#![cfg(feature = "full")]
-
-use itertools::Itertools;
-use solana_sdk::{
-    account::AccountSharedData,
-    compute_budget::ComputeBudget,
-    hash::Hash,
-    instruction::{CompiledInstruction, Instruction, InstructionError},
-    keyed_account::KeyedAccount,
-    message::Message,
-    pubkey::Pubkey,
-};
-use std::{cell::RefCell, fmt::Debug, rc::Rc, sync::Arc};
-
-pub type ProcessInstructionWithContext =
-    fn(usize, &[u8], &mut dyn InvokeContext) -> Result<(), InstructionError>;
-
-/// Invocation context passed to loaders
-pub trait InvokeContext {
-    /// Push a stack frame onto the invocation stack
-    fn push(
-        &mut self,
-        message: &Message,
-        instruction: &CompiledInstruction,
-        program_indices: &[usize],
-        account_indices: Option<&[usize]>,
-    ) -> Result<(), InstructionError>;
-    /// Pop a stack frame from the invocation stack
-    fn pop(&mut self);
-    /// Current depth of the invocation stake
-    fn invoke_depth(&self) -> usize;
-    /// Verify the results of an instruction
-    fn verify(
-        &mut self,
-        message: &Message,
-        instruction: &CompiledInstruction,
-        program_indices: &[usize],
-    ) -> Result<(), InstructionError>;
-    /// Verify and update PreAccount state based on program execution
-    fn verify_and_update(
-        &mut self,
-        instruction: &CompiledInstruction,
-        account_indices: &[usize],
-        write_privileges: &[bool],
-    ) -> Result<(), InstructionError>;
-    /// Get the program ID of the currently executing program
-    fn get_caller(&self) -> Result<&Pubkey, InstructionError>;
-    /// Removes the first keyed account
-    #[deprecated(
-        since = "1.9.0",
-        note = "To be removed together with remove_native_loader"
-    )]
-    fn remove_first_keyed_account(&mut self) -> Result<(), InstructionError>;
-    /// Get the list of keyed accounts
-    fn get_keyed_accounts(&self) -> Result<&[KeyedAccount], InstructionError>;
-    /// Get a list of built-in programs
-    fn get_programs(&self) -> &[(Pubkey, ProcessInstructionWithContext)];
-    /// Get this invocation's logger
-    fn get_logger(&self) -> Rc<RefCell<dyn Logger>>;
-    /// Get this invocation's compute meter
-    fn get_compute_meter(&self) -> Rc<RefCell<dyn ComputeMeter>>;
-    /// Loaders may need to do work in order to execute a program.  Cache
-    /// the work that can be re-used across executions
-    fn add_executor(&self, pubkey: &Pubkey, executor: Arc<dyn Executor>);
-    /// Get the completed loader work that can be re-used across executions
-    fn get_executor(&self, pubkey: &Pubkey) -> Option<Arc<dyn Executor>>;
-    /// Set which instruction in the message is currently being recorded
-    fn set_instruction_index(&mut self, instruction_index: usize);
-    /// Record invoked instruction
-    fn record_instruction(&self, instruction: &Instruction);
-    /// Get the bank's active feature set
-    fn is_feature_active(&self, feature_id: &Pubkey) -> bool;
-    /// Find an account_index and account by its key
-    fn get_account(&self, pubkey: &Pubkey) -> Option<(usize, Rc<RefCell<AccountSharedData>>)>;
-    /// Update timing
-    fn update_timing(
-        &mut self,
-        serialize_us: u64,
-        create_vm_us: u64,
-        execute_us: u64,
-        deserialize_us: u64,
-    );
-    /// Get sysvars
-    fn get_sysvars(&self) -> &[(Pubkey, Vec<u8>)];
-    /// Get this invocation's compute budget
-    fn get_compute_budget(&self) -> &ComputeBudget;
-    /// Set this invocation's blockhash
-    fn set_blockhash(&mut self, hash: Hash);
-    /// Get this invocation's blockhash
-    fn get_blockhash(&self) -> &Hash;
-    /// Set this invocation's lamports_per_signature value
-    fn set_lamports_per_signature(&mut self, lamports_per_signature: u64);
-    /// Get this invocation's lamports_per_signature value
-    fn get_lamports_per_signature(&self) -> u64;
-    /// Set the return data
-    fn set_return_data(&mut self, data: Vec<u8>) -> Result<(), InstructionError>;
-    /// Get the return data
-    fn get_return_data(&self) -> (Pubkey, &[u8]);
-}
-
-/// Convenience macro to log a message with an `Rc<RefCell<dyn Logger>>`
-#[macro_export]
-macro_rules! ic_logger_msg {
-    ($logger:expr, $message:expr) => {
-        if let Ok(logger) = $logger.try_borrow_mut() {
-            if logger.log_enabled() {
-                logger.log($message);
-            }
-        }
-    };
-    ($logger:expr, $fmt:expr, $($arg:tt)*) => {
-        if let Ok(logger) = $logger.try_borrow_mut() {
-            if logger.log_enabled() {
-                logger.log(&format!($fmt, $($arg)*));
-            }
-        }
-    };
-}
-
-/// Convenience macro to log a message with an `InvokeContext`
-#[macro_export]
-macro_rules! ic_msg {
-    ($invoke_context:expr, $message:expr) => {
-        $crate::ic_logger_msg!($invoke_context.get_logger(), $message)
-    };
-    ($invoke_context:expr, $fmt:expr, $($arg:tt)*) => {
-        $crate::ic_logger_msg!($invoke_context.get_logger(), $fmt, $($arg)*)
-    };
-}
-
-/// Compute meter
-pub trait ComputeMeter {
-    /// Consume compute units
-    fn consume(&mut self, amount: u64) -> Result<(), InstructionError>;
-    /// Get the number of remaining compute units
-    fn get_remaining(&self) -> u64;
-}
-
-/// Log messages
-pub trait Logger {
-    fn log_enabled(&self) -> bool;
-
-    /// Log a message.
-    ///
-    /// Unless explicitly stated, log messages are not considered stable and may change in the
-    /// future as necessary
-    fn log(&self, message: &str);
-}
-
-///
-/// Stable program log messages
-///
-/// The format of these log messages should not be modified to avoid breaking downstream consumers
-/// of program logging
-///
-pub mod stable_log {
-    use super::*;
-
-    /// Log a program invoke.
-    ///
-    /// The general form is:
-    ///
-    /// ```notrust
-    /// "Program <address> invoke [<depth>]"
-    /// ```
-    pub fn program_invoke(
-        logger: &Rc<RefCell<dyn Logger>>,
-        program_id: &Pubkey,
-        invoke_depth: usize,
-    ) {
-        ic_logger_msg!(logger, "Program {} invoke [{}]", program_id, invoke_depth);
-    }
-
-    /// Log a message from the program itself.
-    ///
-    /// The general form is:
-    ///
-    /// ```notrust
-    /// "Program log: <program-generated output>"
-    /// ```
-    ///
-    /// That is, any program-generated output is guaranteed to be prefixed by "Program log: "
-    pub fn program_log(logger: &Rc<RefCell<dyn Logger>>, message: &str) {
-        ic_logger_msg!(logger, "Program log: {}", message);
-    }
-
-    /// Emit a program data.
-    ///
-    /// The general form is:
-    ///
-    /// ```notrust
-    /// "Program data: <binary-data-in-base64>*"
-    /// ```
-    ///
-    /// That is, any program-generated output is guaranteed to be prefixed by "Program data: "
-    pub fn program_data(logger: &Rc<RefCell<dyn Logger>>, data: &[&[u8]]) {
-        ic_logger_msg!(
-            logger,
-            "Program data: {}",
-            data.iter().map(base64::encode).join(" ")
-        );
-    }
-
-    /// Log return data as from the program itself. This line will not be present if no return
-    /// data was set, or if the return data was set to zero length.
-    ///
-    /// The general form is:
-    ///
-    /// ```notrust
-    /// "Program return: <program-id> <program-generated-data-in-base64>"
-    /// ```
-    ///
-    /// That is, any program-generated output is guaranteed to be prefixed by "Program return: "
-    pub fn program_return(logger: &Rc<RefCell<dyn Logger>>, program_id: &Pubkey, data: &[u8]) {
-        ic_logger_msg!(
-            logger,
-            "Program return: {} {}",
-            program_id,
-            base64::encode(data)
-        );
-    }
-
-    /// Log successful program execution.
-    ///
-    /// The general form is:
-    ///
-    /// ```notrust
-    /// "Program <address> success"
-    /// ```
-    pub fn program_success(logger: &Rc<RefCell<dyn Logger>>, program_id: &Pubkey) {
-        ic_logger_msg!(logger, "Program {} success", program_id);
-    }
-
-    /// Log program execution failure
-    ///
-    /// The general form is:
-    ///
-    /// ```notrust
-    /// "Program <address> failed: <program error details>"
-    /// ```
-    pub fn program_failure(
-        logger: &Rc<RefCell<dyn Logger>>,
-        program_id: &Pubkey,
-        err: &InstructionError,
-    ) {
-        ic_logger_msg!(logger, "Program {} failed: {}", program_id, err);
-    }
-}
-
-/// Program executor
-pub trait Executor: Debug + Send + Sync {
-    /// Execute the program
-    fn execute(
-        &self,
-        first_instruction_account: usize,
-        instruction_data: &[u8],
-        invoke_context: &mut dyn InvokeContext,
-        use_jit: bool,
-    ) -> Result<(), InstructionError>;
-}