updated vmexit handler, updated vmprofiler dep... updated main.cpp

dependencies/vmprofiler

@@ -1 +1 @@
-Subproject commit 90106b0f5e748f1e67e108800ee0463bae5755e3
+Subproject commit 051140175db16b38acee882cfca714b4a1000a41

src/devirt_t.cpp

@@ -85,23 +85,6 @@ namespace vm
 
     bool devirt_t::compile( std::vector< std::uint8_t > &obj )
     {
-        llvm::legacy::FunctionPassManager pass_mgr( llvm_module );
-        pass_mgr.add( llvm::createPromoteMemoryToRegisterPass() );
-        pass_mgr.add( llvm::createCFGSimplificationPass() );
-        pass_mgr.add( llvm::createSROAPass() );
-        pass_mgr.add( llvm::createLoopSimplifyCFGPass() );
-        pass_mgr.add( llvm::createNewGVNPass() );
-        pass_mgr.add( llvm::createReassociatePass() );
-        pass_mgr.add( llvm::createPartiallyInlineLibCallsPass() );
-        pass_mgr.add( llvm::createDeadCodeEliminationPass() );
-        pass_mgr.add( llvm::createCFGSimplificationPass() );
-        pass_mgr.add( llvm::createInstructionCombiningPass() );
-        pass_mgr.add( llvm::createFlattenCFGPass() );
-
-        for ( auto vmp_rtn : vmp_rtns )
-            pass_mgr.run( *vmp_rtn->llvm_fptr );
-
-        // compile to native x86_64....
         llvm::TargetOptions opt;
         llvm::SmallVector< char, 128 > buff;
         llvm::raw_svector_ostream dest( buff );

src/devirt_utils.cpp

@@ -12,7 +12,7 @@ namespace devirt
 
             if ( file_header->version != vmp2::version_t::v4 )
             {
-                std::printf( "[!] invalid vmp2 file version... this build uses v3...\n" );
+                std::printf( "[!] invalid vmp2 file version... this build uses v4...\n" );
                 return false;
             }
 

src/lifters/vmexit.cpp

@@ -8,8 +8,8 @@ namespace vm
                                                             llvm::IRBuilder<> *ir_builder ) {
         std::stringstream rtn_name;
         llvm::Function *exit_func = nullptr;
-
         rtn_name << "vmexit_" << std::hex << vinstr.trace_data.vm_handler_rva + rtn->vmp2_file->image_base;
+
         if ( !( exit_func = rtn->llvm_module->getFunction( rtn_name.str() ) ) )
         {
             auto vmexit_func_type = llvm::FunctionType::get(
@@ -58,4 +58,4 @@ namespace vm
         ir_builder->CreateCall( exit_func, stack_ptr );
         ir_builder->CreateRet( stack_ptr );
     };
-}
+} // namespace vm

src/main.cpp

@@ -64,6 +64,7 @@ int main( int argc, const char *argv[] )
         {
             std::printf( "[!] failed to lift rtn_0x%p, please review the console...\n",
                          vm_enter_offset + file_header->image_base );
+
             return -1;
         }
     }