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-rw-r--r--runtime/openjdkjvmti/OpenjdkJvmTi.cc2
-rw-r--r--runtime/openjdkjvmti/ti_redefine.cc68
-rw-r--r--runtime/openjdkjvmti/ti_redefine.h6
-rw-r--r--test/912-classes/classes.cc14
-rw-r--r--test/912-classes/expected.txt14
-rw-r--r--test/912-classes/src/Main.java5
6 files changed, 29 insertions, 80 deletions
diff --git a/runtime/openjdkjvmti/OpenjdkJvmTi.cc b/runtime/openjdkjvmti/OpenjdkJvmTi.cc
index c472b54b5b..d364d6e0ad 100644
--- a/runtime/openjdkjvmti/OpenjdkJvmTi.cc
+++ b/runtime/openjdkjvmti/OpenjdkJvmTi.cc
@@ -599,7 +599,7 @@ class JvmtiFunctions {
static jvmtiError IsModifiableClass(jvmtiEnv* env,
jclass klass,
jboolean* is_modifiable_class_ptr) {
- return Redefiner::IsModifiableClass(env, klass, is_modifiable_class_ptr);
+ return ERR(NOT_IMPLEMENTED);
}
static jvmtiError GetClassLoader(jvmtiEnv* env, jclass klass, jobject* classloader_ptr) {
diff --git a/runtime/openjdkjvmti/ti_redefine.cc b/runtime/openjdkjvmti/ti_redefine.cc
index adec6c94bc..6b0e9c8488 100644
--- a/runtime/openjdkjvmti/ti_redefine.cc
+++ b/runtime/openjdkjvmti/ti_redefine.cc
@@ -195,45 +195,6 @@ class ObsoleteMethodStackVisitor : public art::StackVisitor {
std::string* error_msg_;
};
-jvmtiError Redefiner::IsModifiableClass(jvmtiEnv* env ATTRIBUTE_UNUSED,
- jclass klass,
- jboolean* is_redefinable) {
- // TODO Check for the appropriate feature flags once we have enabled them.
- art::Thread* self = art::Thread::Current();
- art::ScopedObjectAccess soa(self);
- art::StackHandleScope<1> hs(self);
- art::ObjPtr<art::mirror::Object> obj(self->DecodeJObject(klass));
- if (obj.IsNull()) {
- return ERR(INVALID_CLASS);
- }
- art::Handle<art::mirror::Class> h_klass(hs.NewHandle(obj->AsClass()));
- std::string err_unused;
- *is_redefinable =
- Redefiner::GetClassRedefinitionError(h_klass, &err_unused) == OK ? JNI_TRUE : JNI_FALSE;
- return OK;
-}
-
-jvmtiError Redefiner::GetClassRedefinitionError(art::Handle<art::mirror::Class> klass,
- /*out*/std::string* error_msg) {
- if (klass->IsPrimitive()) {
- *error_msg = "Modification of primitive classes is not supported";
- return ERR(UNMODIFIABLE_CLASS);
- } else if (klass->IsInterface()) {
- *error_msg = "Modification of Interface classes is currently not supported";
- return ERR(UNMODIFIABLE_CLASS);
- } else if (klass->IsArrayClass()) {
- *error_msg = "Modification of Array classes is not supported";
- return ERR(UNMODIFIABLE_CLASS);
- } else if (klass->IsProxyClass()) {
- *error_msg = "Modification of proxy classes is not supported";
- return ERR(UNMODIFIABLE_CLASS);
- }
-
- // TODO We should check if the class has non-obsoletable methods on the stack
- LOG(WARNING) << "presence of non-obsoletable methods on stacks is not currently checked";
- return OK;
-}
-
// Moves dex data to an anonymous, read-only mmap'd region.
std::unique_ptr<art::MemMap> Redefiner::MoveDataToMemMap(const std::string& original_location,
jint data_len,
@@ -664,17 +625,28 @@ bool Redefiner::CheckClass() {
// TODO Move this to use IsRedefinable when that function is made.
bool Redefiner::CheckRedefinable() {
- std::string err;
- art::StackHandleScope<1> hs(self_);
-
- art::Handle<art::mirror::Class> h_klass(hs.NewHandle(GetMirrorClass()));
- jvmtiError res = Redefiner::GetClassRedefinitionError(h_klass, &err);
- if (res != OK) {
- RecordFailure(res, err);
+ art::ObjPtr<art::mirror::Class> klass(GetMirrorClass());
+ if (klass->IsPrimitive()) {
+ RecordFailure(ERR(UNMODIFIABLE_CLASS),
+ "Modification of primitive classes is not supported");
+ return false;
+ } else if (klass->IsInterface()) {
+ RecordFailure(ERR(UNMODIFIABLE_CLASS),
+ "Modification of Interface classes is currently not supported");
+ return false;
+ } else if (klass->IsArrayClass()) {
+ RecordFailure(ERR(UNMODIFIABLE_CLASS),
+ "Modification of Array classes is not supported");
+ return false;
+ } else if (klass->IsProxyClass()) {
+ RecordFailure(ERR(UNMODIFIABLE_CLASS),
+ "Modification of proxy classes is not supported");
return false;
- } else {
- return true;
}
+
+ // TODO We should check if the class has non-obsoletable methods on the stack
+ LOG(WARNING) << "presence of non-obsoletable methods on stacks is not currently checked";
+ return true;
}
bool Redefiner::CheckRedefinitionIsValid() {
diff --git a/runtime/openjdkjvmti/ti_redefine.h b/runtime/openjdkjvmti/ti_redefine.h
index 01b5eca330..d6bccb4238 100644
--- a/runtime/openjdkjvmti/ti_redefine.h
+++ b/runtime/openjdkjvmti/ti_redefine.h
@@ -80,8 +80,6 @@ class Redefiner {
unsigned char* dex_data,
std::string* error_msg);
- static jvmtiError IsModifiableClass(jvmtiEnv* env, jclass klass, jboolean* is_redefinable);
-
private:
jvmtiError result_;
art::Runtime* runtime_;
@@ -108,10 +106,6 @@ class Redefiner {
error_msg_(error_msg),
class_sig_(class_sig) { }
- static jvmtiError GetClassRedefinitionError(art::Handle<art::mirror::Class> klass,
- /*out*/std::string* error_msg)
- REQUIRES_SHARED(art::Locks::mutator_lock_);
-
static std::unique_ptr<art::MemMap> MoveDataToMemMap(const std::string& original_location,
jint data_len,
unsigned char* dex_data,
diff --git a/test/912-classes/classes.cc b/test/912-classes/classes.cc
index 38a4f0e337..19d82c544c 100644
--- a/test/912-classes/classes.cc
+++ b/test/912-classes/classes.cc
@@ -29,20 +29,6 @@
namespace art {
namespace Test912Classes {
-extern "C" JNIEXPORT jboolean JNICALL Java_Main_isModifiableClass(
- JNIEnv* env ATTRIBUTE_UNUSED, jclass Main_klass ATTRIBUTE_UNUSED, jclass klass) {
- jboolean res = JNI_FALSE;
- jvmtiError result = jvmti_env->IsModifiableClass(klass, &res);
- if (result != JVMTI_ERROR_NONE) {
- char* err;
- jvmti_env->GetErrorName(result, &err);
- printf("Failure running IsModifiableClass: %s\n", err);
- jvmti_env->Deallocate(reinterpret_cast<unsigned char*>(err));
- return JNI_FALSE;
- }
- return res;
-}
-
extern "C" JNIEXPORT jobjectArray JNICALL Java_Main_getClassSignature(
JNIEnv* env, jclass Main_klass ATTRIBUTE_UNUSED, jclass klass) {
char* sig;
diff --git a/test/912-classes/expected.txt b/test/912-classes/expected.txt
index 44c861a3b7..3507a1a676 100644
--- a/test/912-classes/expected.txt
+++ b/test/912-classes/expected.txt
@@ -12,13 +12,13 @@
411
[[D, null]
411
-int interface=false array=false modifiable=false
-$Proxy0 interface=false array=false modifiable=false
-java.lang.Runnable interface=true array=false modifiable=false
-java.lang.String interface=false array=false modifiable=true
-[I interface=false array=true modifiable=false
-[Ljava.lang.Runnable; interface=false array=true modifiable=false
-[Ljava.lang.String; interface=false array=true modifiable=false
+int interface=false array=false
+$Proxy0 interface=false array=false
+java.lang.Runnable interface=true array=false
+java.lang.String interface=false array=false
+[I interface=false array=true
+[Ljava.lang.Runnable; interface=false array=true
+[Ljava.lang.String; interface=false array=true
[public static final int java.lang.Integer.BYTES, static final char[] java.lang.Integer.DigitOnes, static final char[] java.lang.Integer.DigitTens, public static final int java.lang.Integer.MAX_VALUE, public static final int java.lang.Integer.MIN_VALUE, public static final int java.lang.Integer.SIZE, private static final java.lang.String[] java.lang.Integer.SMALL_NEG_VALUES, private static final java.lang.String[] java.lang.Integer.SMALL_NONNEG_VALUES, public static final java.lang.Class java.lang.Integer.TYPE, static final char[] java.lang.Integer.digits, private static final long java.lang.Integer.serialVersionUID, static final int[] java.lang.Integer.sizeTable, private final int java.lang.Integer.value]
[]
[]
diff --git a/test/912-classes/src/Main.java b/test/912-classes/src/Main.java
index e627d4227a..69e5a4cc58 100644
--- a/test/912-classes/src/Main.java
+++ b/test/912-classes/src/Main.java
@@ -107,9 +107,7 @@ public class Main {
private static void testClassType(Class<?> c) throws Exception {
boolean isInterface = isInterface(c);
boolean isArray = isArrayClass(c);
- boolean isModifiable = isModifiableClass(c);
- System.out.println(c.getName() + " interface=" + isInterface + " array=" + isArray +
- " modifiable=" + isModifiable);
+ System.out.println(c.getName() + " interface=" + isInterface + " array=" + isArray);
}
private static void testClassFields(Class<?> c) throws Exception {
@@ -151,7 +149,6 @@ public class Main {
}
}
- private static native boolean isModifiableClass(Class<?> c);
private static native String[] getClassSignature(Class<?> c);
private static native boolean isInterface(Class<?> c);
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2025-12-16 00:50:43 +0000