Refactor - Simplify loader utils (#29699)

* Moves all the common code of tests and benches into loader utils.

* Removes write_sbf_program().

* Removes ignored test: test_program_sbf_test_use_latest_executor2().

(cherry picked from commit ab97d37)

# Conflicts:
#	programs/bpf/benches/bpf_loader.rs
#	programs/bpf/tests/programs.rs

programs/bpf/benches/bpf_loader.rs

@@ -22,21 +22,21 @@ use {
         bank::Bank,
         bank_client::BankClient,
         genesis_utils::{create_genesis_config, GenesisConfigInfo},
-        loader_utils::load_program,
+        loader_utils::{create_deprecated_program, load_program_from_file},
     },
     solana_sdk::{
         bpf_loader,
         client::SyncClient,
         entrypoint::SUCCESS,
         instruction::{AccountMeta, Instruction},
         message::Message,
-        pubkey::Pubkey,
-        signature::{Keypair, Signer},
+        signature::Signer,
     },
-    std::{env, fs::File, io::Read, mem, path::PathBuf, sync::Arc},
+    std::{mem, sync::Arc},
     test::Bencher,
 };
 
+<<<<<<< HEAD:programs/bpf/benches/bpf_loader.rs
 /// BPF program file extension
 const PLATFORM_FILE_EXTENSION_BPF: &str = "so";
 /// Create a BPF program file name
@@ -72,12 +72,14 @@ fn load_bpf_program(
     load_program(bank_client, payer_keypair, loader_id, elf)
 }
 
+=======
+>>>>>>> ab97d37e3 (Refactor - Simplify loader utils (#29699)):programs/sbf/benches/bpf_loader.rs
 const ARMSTRONG_LIMIT: u64 = 500;
 const ARMSTRONG_EXPECTED: u64 = 5;
 
 #[bench]
 fn bench_program_create_executable(bencher: &mut Bencher) {
-    let elf = load_elf("bench_alu").unwrap();
+    let elf = load_program_from_file("bench_alu");
 
     bencher.iter(|| {
         let _ = Executable::<BpfError, ThisInstructionMeter>::from_elf(
@@ -98,7 +100,7 @@ fn bench_program_alu(bencher: &mut Bencher) {
         .write_u64::<LittleEndian>(ARMSTRONG_LIMIT)
         .unwrap();
     inner_iter.write_u64::<LittleEndian>(0).unwrap();
-    let elf = load_elf("bench_alu").unwrap();
+    let elf = load_program_from_file("bench_alu");
     let loader_id = bpf_loader::id();
     with_mock_invoke_context(loader_id, 10000001, |invoke_context| {
         invoke_context
@@ -191,7 +193,11 @@ fn bench_program_execute_noop(bencher: &mut Bencher) {
     let bank_client = BankClient::new_shared(&bank);
 
     let invoke_program_id =
+<<<<<<< HEAD:programs/bpf/benches/bpf_loader.rs
         load_bpf_program(&bank_client, &bpf_loader::id(), &mint_keypair, "noop");
+=======
+        create_deprecated_program(&bank_client, &bpf_loader::id(), &mint_keypair, "noop");
+>>>>>>> ab97d37e3 (Refactor - Simplify loader utils (#29699)):programs/sbf/benches/bpf_loader.rs
 
     let mint_pubkey = mint_keypair.pubkey();
     let account_metas = vec![AccountMeta::new(mint_pubkey, true)];
@@ -214,7 +220,7 @@ fn bench_program_execute_noop(bencher: &mut Bencher) {
 
 #[bench]
 fn bench_create_vm(bencher: &mut Bencher) {
-    let elf = load_elf("noop").unwrap();
+    let elf = load_program_from_file("noop");
     let loader_id = bpf_loader::id();
     with_mock_invoke_context(loader_id, 10000001, |invoke_context| {
         const BUDGET: u64 = 200_000;
@@ -262,7 +268,7 @@ fn bench_create_vm(bencher: &mut Bencher) {
 
 #[bench]
 fn bench_instruction_count_tuner(_bencher: &mut Bencher) {
-    let elf = load_elf("tuner").unwrap();
+    let elf = load_program_from_file("tuner");
     let loader_id = bpf_loader::id();
     with_mock_invoke_context(loader_id, 10000001, |invoke_context| {
         const BUDGET: u64 = 200_000;