runtime: bump spec version to SE 27

Author: Serial-ATA

.cargo/config.toml

@@ -5,7 +5,6 @@ artifact-dir = "./build/out"
 [env]
 
 # Constant VM properties
-SYSTEM_PROPS_JAVA_VERSION = "23"
 SYSTEM_PROPS_VM_SPECIFICATION_NAME = "Java Virtual Machine Specification"
 SYSTEM_PROPS_VM_NAME = "SJVM"
 SYSTEM_PROPS_VM_VENDOR = "Serial-ATA"

README.md

@@ -3,7 +3,7 @@
 [![GitHub Workflow Status](https://img.shields.io/github/actions/workflow/status/Serial-ATA/jvm/ci.yml?branch=master&style=for-the-badge&logo=github)](https://github.com/Serial-ATA/jvm/actions/workflows/ci.yml)
 
 An implementation
-of [The Java Virtual Machine, Java SE 23 Edition](https://docs.oracle.com/javase/specs/jvms/se23/html/index.html).
+of [The Java Virtual Machine, Java SE 27 Edition](https://docs.oracle.com/javase/specs/jvms/se27/html/index.html).
 
 For instructions on how to run the JVM, see [tools/sj/README.md](tools/sj/README.md).
 

classfile/README.md

@@ -1,7 +1,7 @@
 # JVM/classfile
 
 An implementation of
-the [Java SE 23 class file format](https://docs.oracle.com/javase/specs/jvms/se23/html/jvms-4.html).
+the [Java SE 27 class file format](https://docs.oracle.com/javase/specs/jvms/se27/html/jvms-4.html).
 
 The current structure is as follows:
 

justfile

@@ -1,4 +1,11 @@
 #!/usr/bin/env just --justfile
+# -----------------------------------------------------------------------------
+# VERSIONING:
+# -----------------------------------------------------------------------------
+
+export JAVA_VERSION := "27"
+export TARGET_OPENJDK_TAG := "jdk-27+0"
+
 # -----------------------------------------------------------------------------
 # TARGETS:
 # -----------------------------------------------------------------------------

runtime/README.md

@@ -1,6 +1,6 @@
 # JVM/runtime
 
 The implementation
-of [The Java Virtual Machine, Java SE 23 Edition](https://docs.oracle.com/javase/specs/jvms/se23/html/index.html).
+of [The Java Virtual Machine, Java SE 27 Edition](https://docs.oracle.com/javase/specs/jvms/se27/html/index.html).
 
 This crate does not provide a binary with which to run it. The binary is housed in [the jvm crate](../jvm).

runtime/build.rs

@@ -175,17 +175,21 @@ fn collect_jvm_h() {
 			return_type,
 		};
 
-		let Some(defined) = defined_jvm_functions.get(&*name) else {
+		let Some(defined) = defined_jvm_functions.remove(&*name) else {
 			println!("cargo::warning=JVM function {name} not found",);
 			continue;
 		};
 
-		if &expected != defined {
+		if expected != defined {
 			println!(
 				"cargo::warning=JVM function {} has the wrong signature. (found: {defined}, \
 				 expected: {expected})",
 				defined.name
 			);
 		}
 	}
+
+	for name in defined_jvm_functions.keys() {
+		println!("cargo::warning=Function {name} does not exist in jvm.h");
+	}
 }

runtime/src/classpath/loader/mod.rs

@@ -25,7 +25,7 @@ use common::int_types::u1;
 use instructions::Operand;
 
 const SUPPORTED_MAJOR_LOWER_BOUND: u1 = 45;
-const SUPPORTED_MAJOR_UPPER_BOUND: u1 = 70;
+const SUPPORTED_MAJOR_UPPER_BOUND: u1 = 71;
 const SUPPORTED_MAJOR_VERSION_RANGE: RangeInclusive<u1> =
 	SUPPORTED_MAJOR_LOWER_BOUND..=SUPPORTED_MAJOR_UPPER_BOUND;
 

runtime/src/initialization.rs

@@ -18,6 +18,7 @@ use jni::java_vm::JavaVm;
 use jni::sys::{JNI_OK, JavaVMInitArgs, jint};
 
 /// Errors that can occur during VM initialization.
+#[derive(Debug)]
 pub enum InitializationError {
 	/// An exception was thrown before its class and/or the main thread were initialized.
 	///

runtime/src/native/jdk/internal/util/SystemProps.rs

@@ -14,7 +14,7 @@ pub mod Raw {
 	include_generated!("native/jdk/internal/util/def/SystemProps$Raw.constants.rs");
 	include_generated!("native/jdk/internal/util/def/SystemProps.definitions.rs");
 
-	const JAVA_VERSION: &str = env!("SYSTEM_PROPS_JAVA_VERSION");
+	const JAVA_VERSION: &str = env!("JAVA_VERSION");
 	const VM_SPECIFICATION_NAME: &str = env!("SYSTEM_PROPS_VM_SPECIFICATION_NAME");
 	const VM_NAME: &str = env!("SYSTEM_PROPS_VM_NAME");
 	const VM_VERSION: &str = env!("CARGO_PKG_VERSION");

runtime/src/native/jvm/agents.rs

@@ -0,0 +1,9 @@
+#![native_macros::jni_fn_module]
+
+use jni::sys::jboolean;
+use native_macros::jni_call;
+
+#[jni_call(no_env)]
+pub extern "C" fn JVM_PrintWarningAtDynamicAgentLoad() -> jboolean {
+	todo!()
+}