Refactor - Renames loader-v3 to loader-v4. (#31570)

Renames loader-v3 to loader-v4.

Cargo.toml

@@ -59,7 +59,7 @@ members = [
     "programs/compute-budget",
     "programs/config",
     "programs/ed25519-tests",
-    "programs/loader-v3",
+    "programs/loader-v4",
     "programs/stake",
     "programs/system",
     "programs/vote",
@@ -319,7 +319,7 @@ solana-genesis-utils = { path = "genesis-utils", version = "=1.16.0" }
 solana-geyser-plugin-interface = { path = "geyser-plugin-interface", version = "=1.16.0" }
 solana-geyser-plugin-manager = { path = "geyser-plugin-manager", version = "=1.16.0" }
 solana-gossip = { path = "gossip", version = "=1.16.0" }
-solana-loader-v3-program = { path = "programs/loader-v3", version = "=1.16.0" }
+solana-loader-v4-program = { path = "programs/loader-v4", version = "=1.16.0" }
 solana-ledger = { path = "ledger", version = "=1.16.0" }
 solana-local-cluster = { path = "local-cluster", version = "=1.16.0" }
 solana-logger = { path = "logger", version = "=1.16.0" }

program-runtime/src/loaded_programs.rs

@@ -12,7 +12,7 @@ use {
         vm::{BuiltInProgram, VerifiedExecutable},
     },
     solana_sdk::{
-        bpf_loader, bpf_loader_deprecated, bpf_loader_upgradeable, clock::Slot, loader_v3,
+        bpf_loader, bpf_loader_deprecated, bpf_loader_upgradeable, clock::Slot, loader_v4,
         pubkey::Pubkey, saturating_add_assign,
     },
     std::{
@@ -228,7 +228,7 @@ impl LoadedProgram {
             LoadedProgramType::LegacyV0(VerifiedExecutable::from_executable(executable)?)
         } else if bpf_loader::check_id(loader_key) || bpf_loader_upgradeable::check_id(loader_key) {
             LoadedProgramType::LegacyV1(VerifiedExecutable::from_executable(executable)?)
-        } else if loader_v3::check_id(loader_key) {
+        } else if loader_v4::check_id(loader_key) {
             LoadedProgramType::Typed(VerifiedExecutable::from_executable(executable)?)
         } else {
             panic!();

programs/loader-v3/Cargo.toml → programs/loader-v4/Cargo.toml

@@ -1,5 +1,5 @@
 [package]
-name = "solana-loader-v3-program"
+name = "solana-loader-v4-program"
 description = "Solana Loader v3"
 publish = false
 version = { workspace = true }
@@ -22,7 +22,7 @@ bincode = { workspace = true }
 
 [lib]
 crate-type = ["lib"]
-name = "solana_loader_v3_program"
+name = "solana_loader_v4_program"
 
 [package.metadata.docs.rs]
 targets = ["x86_64-unknown-linux-gnu"]