feat(evm): use interpreter mode for large code size in lib

EVMOneUnitTestsRunList.txt

@@ -91,6 +91,8 @@ multi_vm/evm.eip2929_sload_cold/external_vm
 multi_vm/evm.eip2929_sload_two_slots/external_vm
 multi_vm/evm.eip2929_sload_warm/external_vm
 multi_vm/evm.eip2929_delegatecall_cold/external_vm
+multi_vm/evm.evmone_block_gas_cost_overflow_create/external_vm
+multi_vm/evm.evmone_block_stack_req_overflow/external_vm
 multi_vm/evm.basefee_nominal_case/external_vm
 multi_vm/evm.push0/external_vm
 multi_vm/evm.push0_return_empty/external_vm

src/runtime/runtime.h

@@ -309,6 +309,8 @@ class Runtime final {
 
   const RuntimeConfig &getConfig() const { return Config; }
 
+  void setConfig(const RuntimeConfig &NewConfig) { Config = NewConfig; }
+
   utils::Statistics &getStatistics() { return Stats; }
 
   void startCPUTracing();

src/vm/dt_evmc_vm.cpp

@@ -21,6 +21,24 @@ namespace {
 using namespace zen::runtime;
 using namespace zen::common;
 
+// JIT compilation limits (95% < 10KB)
+const size_t MAX_JIT_BYTECODE_SIZE = 0x6000;
+
+// RAII helper for temporarily changing runtime configuration
+class ScopedConfig {
+public:
+  ScopedConfig(Runtime *Runtime, const RuntimeConfig &NewConfig)
+      : RT(Runtime), PreviousConfig(Runtime->getConfig()) {
+    RT->setConfig(NewConfig);
+  }
+
+  ~ScopedConfig() { RT->setConfig(PreviousConfig); }
+
+private:
+  Runtime *RT;
+  RuntimeConfig PreviousConfig;
+};
+
 // CRC32 checksum
 uint32_t crc32(const uint8_t *Data, size_t Size) {
   static uint32_t Table[256];
@@ -126,6 +144,14 @@ evmc_result execute(evmc_vm *EVMInstance, const evmc_host_interface *Host,
   if (!VM->RT) {
     VM->RT = Runtime::newEVMRuntime(VM->Config, VM->ExecHost.get());
   }
+  // Use interpreter mode for large bytecode
+  std::unique_ptr<ScopedConfig> TempConfig;
+  if (VM->Config.Mode == RunMode::MultipassMode &&
+      CodeSize > MAX_JIT_BYTECODE_SIZE) {
+    RuntimeConfig NewConfig = VM->Config;
+    NewConfig.Mode = RunMode::InterpMode;
+    TempConfig = std::make_unique<ScopedConfig>(VM->RT.get(), NewConfig);
+  }
 
   uint32_t CheckSum = crc32(Code, CodeSize);
   auto ModRet = VM->RT->loadEVMModule(std::to_string(CheckSum), Code, CodeSize);