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8213755: Let nmethods be is_unloading() outside of safepoints

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Reviewed-by: rehn, coleenp, kvn
This commit is contained in:
Erik Österlund 2018-11-22 10:01:38 +01:00
parent c9657d8dcf
commit 1379397c32
8 changed files with 102 additions and 75 deletions
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8
src/hotspot/share/runtime/sharedRuntime.cpp
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@ -1279,7 +1279,7 @@ methodHandle SharedRuntime::resolve_sub_helper(JavaThread *thread,
(!is_virtual && invoke_code == Bytecodes::_invokedynamic) ||
( is_virtual && invoke_code != Bytecodes::_invokestatic ), "inconsistent bytecode");
assert(caller_nm->is_alive(), "It should be alive");
assert(caller_nm->is_alive() && !caller_nm->is_unloading(), "It should be alive");
#ifndef PRODUCT
// tracing/debugging/statistics
@ -1606,8 +1606,10 @@ methodHandle SharedRuntime::handle_ic_miss_helper(JavaThread *thread, TRAPS) {
} else if (inline_cache->is_icholder_call()) {
CompiledICHolder* ic_oop = inline_cache->cached_icholder();
if (ic_oop != NULL) {
if (receiver()->klass() == ic_oop->holder_klass()) {
if (!ic_oop->is_loader_alive()) {
// Deferred IC cleaning due to concurrent class unloading
inline_cache->set_to_clean();
} else if (receiver()->klass() == ic_oop->holder_klass()) {
// This isn't a real miss. We must have seen that compiled code
// is now available and we want the call site converted to a
// monomorphic compiled call site.