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8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables

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Used compiled-based TLS when available. Additional contributions by Thomas Stufe (AIX) and Andrew Haley (Aarch64)

Reviewed-by: stuefe, bdelsart, dcubed
This commit is contained in:
David Holmes 2015-12-04 04:06:37 -05:00
parent 8929fdddb8
commit 6e0ea9d21c
101 changed files with 449 additions and 1966 deletions
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11
hotspot/src/share/vm/runtime/java.cpp
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@ -512,10 +512,10 @@ void before_exit(JavaThread * thread) {
}
void vm_exit(int code) {
Thread* thread = ThreadLocalStorage::is_initialized() ?
ThreadLocalStorage::get_thread_slow() : NULL;
Thread* thread =
ThreadLocalStorage::is_initialized() ? Thread::current_or_null() : NULL;
if (thread == NULL) {
// we have serious problems -- just exit
// very early initialization failure -- just exit
vm_direct_exit(code);
}
@ -551,8 +551,7 @@ void vm_perform_shutdown_actions() {
// Calling 'exit_globals()' will disable thread-local-storage and cause all
// kinds of assertions to trigger in debug mode.
if (is_init_completed()) {
Thread* thread = ThreadLocalStorage::is_initialized() ?
ThreadLocalStorage::get_thread_slow() : NULL;
Thread* thread = Thread::current_or_null();
if (thread != NULL && thread->is_Java_thread()) {
// We are leaving the VM, set state to native (in case any OS exit
// handlers call back to the VM)
@ -606,7 +605,7 @@ void vm_exit_during_initialization(Handle exception) {
// If there are exceptions on this thread it must be cleared
// first and here. Any future calls to EXCEPTION_MARK requires
// that no pending exceptions exist.
Thread *THREAD = Thread::current();
Thread *THREAD = Thread::current(); // can't be NULL
if (HAS_PENDING_EXCEPTION) {
CLEAR_PENDING_EXCEPTION;
}