Various fixes for HelloWorld. (#27)

backend.native/cli.bc/src/org/jetbrains/kotlin/cli/bc/K2Native.kt

@@ -50,6 +50,8 @@ class K2Native : CLICompiler<K2NativeCompilerArguments>() {
     configuration.put(CommonConfigurationKeys.MODULE_NAME,
                       JvmAbi.DEFAULT_MODULE_NAME)
     configuration.addKotlinSourceRoots(arguments.freeArgs)
+    // TODO: add to source set, once we know how to not compile them.
+    configuration.addKotlinSourceRoots(arguments.headers.asList())
     val environment = KotlinCoreEnvironment.createForProduction(rootDisposable,
         configuration, Arrays.asList<String>("extensions/common.xml"))
 

backend.native/cli.bc/src/org/jetbrains/kotlin/cli/bc/K2NativeCompilerArguments.java

@@ -14,4 +14,8 @@ public class K2NativeCompilerArguments extends CommonCompilerArguments {
     @ValueDescription("<path>")
     public String runtimeFile;
 
+    @Argument(value = "headers", description = "Header files used for compilation")
+    @ValueDescription("<path>")
+    public String[] headers;
+
 }

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/native/llvm/IrToBitcode.kt

@@ -29,6 +29,7 @@ fun emitLLVM(module: IrModuleFragment, runtimeFile: String, outFile: String) {
         // TODO: use LLVMDisposeMessage() on errorRef, once possible in interop.
         if (LLVMVerifyModule(
                 llvmModule, LLVMVerifierFailureAction.LLVMPrintMessageAction, errorRef) == 1) {
+            LLVMDumpModule(llvmModule)
             throw Error("Invalid module");
         }
     }

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/native/llvm/RTTIGenerator.kt

@@ -127,6 +127,19 @@ internal class RTTIGenerator(override val context: Context) : ContextUtils {
         }
     }
 
+    private val arrayClasses = mapOf(
+            Pair("kotlin_native.ByteArray", -1),
+            Pair("kotlin_native.CharArray", -2),
+            Pair("kotlin_native.IntArray", -4),
+            Pair("kotlin_native.String", -1)
+    );
+
+    private fun getInstanceSize(classType: LLVMOpaqueType?, className: FqName) : Int {
+        val arraySize = arrayClasses.get(className.asString());
+        if (arraySize != null) return arraySize;
+        return LLVMStoreSizeOfType(runtime.targetData, classType).toInt()
+    }
+
     fun generate(classDesc: ClassDescriptor) {
 
         val className = classDesc.fqNameSafe
@@ -135,7 +148,7 @@ internal class RTTIGenerator(override val context: Context) : ContextUtils {
 
         val name = className.globalHash
 
-        val size = LLVMStoreSizeOfType(runtime.targetData, classType).toInt()
+        val size = getInstanceSize(classType, className)
 
         val superType = classDesc.getSuperClassOrAny().llvmTypeInfoPtr
 

backend.native/tests/build.gradle

@@ -30,8 +30,8 @@ public class KonanTest extends DefaultTask {
             classpath = project.configurations.cli_bc
             args "-output", "${sourceBc.absolutePath}",
                     "-runtime", "${runtimeBc.absolutePath}",
-                    "${sourceKt.absolutePath}",
-                    project.project(':runtime').file('src/main/kotlin')
+                    "-headers", project.project(':runtime').file('src/main/kotlin'),
+                    "${sourceKt.absolutePath}"
 
             jvmArgs "-Djava.library.path=${backendNative.buildDir.canonicalPath}/nativelibs"
         }
@@ -75,11 +75,9 @@ task sum (type:KonanTest) {
     source = "codegen/function/sum.kt"
 }
 
-/* Investigate
 task objectInitialization(type: KonanTest) {
     source = "codegen/object/initialization.kt"
 }
-*/
 
 /* task objectBasic(type: KonanTest) {
     source = "$codegen/klass/basic.kt"
@@ -101,7 +99,16 @@ task sum_3const(type: KonanTest) {
     source = "codegen/function/sum_3const.kt"
 }
 
+/* TODO: enable, once kotlin.String -> kotlin_native.String is mapped.
+task hello0(type: KonanTest) {
+    source = "runtime/basic/hello0.kt"
+}
+
+task hello1(type: KonanTest) {
+    source = "runtime/basic/hello1.kt"
+    } */
+
 // TODO: waiting for boolean to be implemented
 //task bool_yes(type: KonanTest) {
 //    source = "codegen/function/boolean.kt"
-//}
+//}

backend.native/tests/runtime/basic/hello0.kt

@@ -0,0 +1,4 @@
+// TODO: remove kotlin_native.io once overrides are in place.
+fun main(args : Array<String>) {
+  kotlin_native.io.print("Hello, world!")
+}

backend.native/tests/runtime/basic/hello1-test.c

@@ -0,0 +1,11 @@
+extern void *resolve_symbol(const char*);
+
+int
+run_test() {
+  void (*main)(void*) = resolve_symbol("kfun:main");
+  
+  main((void*)0);
+
+  return 0;
+}
+

backend.native/tests/runtime/basic/hello1.kt

@@ -0,0 +1,4 @@
+// TODO: remove kotlin_native.io once overrides are in place.
+fun main(args : Array<String>) {
+  kotlin_native.io.print(kotlin_native.io.readLine())
+}

runtime/src/main/cpp/Memory.cpp

@@ -20,21 +20,27 @@ ArenaContainer::ArenaContainer(uint32_t size) {
 
 void ObjectContainer::Init(const TypeInfo* type_info) {
   RuntimeAssert(type_info->instanceSize_ >= 0, "Must be an object");
-  header_ = reinterpret_cast<ContainerHeader*>(
-      calloc(sizeof(ContainerHeader) + sizeof(ObjHeader) +
-             type_info->instanceSize_, 1));
-  header_->ref_count_ = CONTAINER_TAG_INCREMENT;
-  SetMeta(GetPlace(), type_info);
+   uint32_t alloc_size =
+      sizeof(ContainerHeader) + sizeof(ObjHeader) + type_info->instanceSize_;
+  header_ = reinterpret_cast<ContainerHeader*>(calloc(alloc_size, 1));
+  if (header_) {
+    header_->ref_count_ = CONTAINER_TAG_INCREMENT;
+    SetMeta(GetPlace(), type_info);
+  }
 }
 
 void ArrayContainer::Init(const TypeInfo* type_info, uint32_t elements) {
   RuntimeAssert(type_info->instanceSize_ < 0, "Must be an array");
-  header_ = reinterpret_cast<ContainerHeader*>(
-      calloc(sizeof(ContainerHeader) + sizeof(ArrayHeader) -
-             type_info->instanceSize_ * elements, 1));
-  header_->ref_count_ = CONTAINER_TAG_INCREMENT;
-  GetPlace()->count_ = elements;
-  SetMeta(GetPlace(), type_info);
+  uint32_t alloc_size =
+      sizeof(ContainerHeader) + sizeof(ArrayHeader) -
+      type_info->instanceSize_ * elements;
+  header_ = reinterpret_cast<ContainerHeader*>(calloc(alloc_size, 1));
+  RuntimeAssert(header_ != nullptr, "Cannot alloc memory");
+  if (header_) {
+    header_->ref_count_ = CONTAINER_TAG_INCREMENT;
+    GetPlace()->count_ = elements;
+    SetMeta(GetPlace(), type_info);
+  }
 }
 
 ObjHeader* ArenaContainer::PlaceObject(const TypeInfo* type_info) {

runtime/src/main/kotlin/kotlin_native/io/Console.kt

@@ -4,4 +4,4 @@ package kotlin_native.io
 external public fun print(message: kotlin_native.String)
 
 @kotlin_native.SymbolName("Kotlin_io_Console_readLine")
-external public fun readLine(): kotlin_native.String?
+external public fun readLine(): kotlin_native.String