archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-08-26 14:24:46 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

7013347: allow crypto functions to be called inline to enhance performance

Browse source 
Reviewed-by: kvn
This commit is contained in:
Tom Rodriguez 2012-02-01 16:57:08 -08:00
parent 5a41427b37
commit 9599296d97
21 changed files with 1376 additions and 167 deletions
Download patch file Download diff file Expand all files Collapse all files

14
hotspot/src/share/vm/runtime/sharedRuntime.cpp
View file

@ -2678,6 +2678,20 @@ nmethod *AdapterHandlerLibrary::create_native_wrapper(methodHandle method, int c
return nm;
}
JRT_ENTRY_NO_ASYNC(void, SharedRuntime::block_for_jni_critical(JavaThread* thread))
assert(thread == JavaThread::current(), "must be");
// The code is about to enter a JNI lazy critical native method and
// _needs_gc is true, so if this thread is already in a critical
// section then just return, otherwise this thread should block
// until needs_gc has been cleared.
if (thread->in_critical()) {
return;
}
// Lock and unlock a critical section to give the system a chance to block
GC_locker::lock_critical(thread);
GC_locker::unlock_critical(thread);
JRT_END
#ifdef HAVE_DTRACE_H
// Create a dtrace nmethod for this method. The wrapper converts the
// java compiled calling convention to the native convention, makes a dummy call