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8331671: Implement JEP 472: Prepare to Restrict the Use of JNI

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Reviewed-by: jpai, prr, ihse, kcr, alanb
This commit is contained in:
Maurizio Cimadamore 2024-08-26 09:17:45 +00:00
parent ce83f6af64
commit 20d8f58c92
107 changed files with 551 additions and 182 deletions
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21
src/java.base/share/classes/java/lang/ClassLoader.java
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@ -2442,10 +2442,27 @@ public abstract class ClassLoader {
" in java.library.path: " + StaticProperty.javaLibraryPath());
}
/*
/**
* Invoked in the VM class linking code.
* @param loader the class loader used to look up the native library symbol
* @param clazz the class in which the native method is declared
* @param entryName the native method's mangled name (this is the name used for the native lookup)
* @param javaName the native method's declared name
*/
static long findNative(ClassLoader loader, String entryName) {
static long findNative(ClassLoader loader, Class<?> clazz, String entryName, String javaName) {
long addr = findNativeInternal(loader, entryName);
if (addr != 0 && loader != null) {
Reflection.ensureNativeAccess(clazz, clazz, javaName, true);
}
return addr;
}
/*
* This is also called by SymbolLookup::loaderLookup. In that case, we need
* to avoid a restricted check, as that check has already been performed when
* obtaining the lookup.
*/
static long findNativeInternal(ClassLoader loader, String entryName) {
if (loader == null) {
return BootLoader.getNativeLibraries().find(entryName);
} else {