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8283784: java_lang_String::as_platform_dependent_str stores to oop in native state #3988

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8283784: java_lang_String::as_platform_dependent_str stores to oop in native state #3988

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5a5cf89
8283784: java_lang_String::as_platform_dependent_str stores to oop in…
Mar 31, 2022
150ecef
Backport c9a469a4591002e7f51317a8494a2df902db5bfa
Mar 31, 2022
0e1af44
Merge branch 'JDK-8283784-ctw-gc-improv' of github.com:jyma22/jdk17u-…
jyma22 Sep 23, 2025
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10 changes: 6 additions & 4 deletions src/hotspot/share/classfile/javaClasses.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -456,16 +456,18 @@ char* java_lang_String::as_platform_dependent_str(Handle java_string, TRAPS) {
}

char *native_platform_string;
{ JavaThread* thread = THREAD;
jstring js = (jstring) JNIHandles::make_local(thread, java_string());
bool is_copy;
JavaThread* thread = THREAD;
jstring js = (jstring) JNIHandles::make_local(thread, java_string());
{
HandleMark hm(thread);
ThreadToNativeFromVM ttn(thread);
JNIEnv *env = thread->jni_environment();
bool is_copy;
native_platform_string = (_to_platform_string_fn)(env, js, &is_copy);
assert(is_copy == JNI_TRUE, "is_copy value changed");
JNIHandles::destroy_local(js);
}
JNIHandles::destroy_local(js);

return native_platform_string;
}

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