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6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits

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Cache Jvmti and DTrace flags used by Compiler.

Reviewed-by: never
This commit is contained in:
Vladimir Kozlov 2009-05-08 10:44:20 -07:00
parent b5cff6a1a0
commit 34ee921399
16 changed files with 118 additions and 35 deletions
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6
hotspot/src/share/vm/ci/ciMethod.cpp
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@ -60,7 +60,8 @@ ciMethod::ciMethod(methodHandle h_m) : ciObject(h_m) {
_flow = NULL;
#endif // COMPILER2
if (JvmtiExport::can_hotswap_or_post_breakpoint() && _is_compilable) {
ciEnv *env = CURRENT_ENV;
if (env->jvmti_can_hotswap_or_post_breakpoint() && _is_compilable) {
// 6328518 check hotswap conditions under the right lock.
MutexLocker locker(Compile_lock);
if (Dependencies::check_evol_method(h_m()) != NULL) {
@ -84,7 +85,6 @@ ciMethod::ciMethod(methodHandle h_m) : ciObject(h_m) {
if (_can_be_statically_bound && h_m()->is_abstract())
_can_be_statically_bound = false;
ciEnv *env = CURRENT_ENV;
// generating _signature may allow GC and therefore move m.
// These fields are always filled in.
_name = env->get_object(h_m()->name())->as_symbol();
@ -337,7 +337,7 @@ MethodLivenessResult ciMethod::liveness_at_bci(int bci) {
_liveness->compute_liveness();
}
MethodLivenessResult result = _liveness->get_liveness_at(bci);
if (JvmtiExport::can_access_local_variables() || DeoptimizeALot || CompileTheWorld) {
if (CURRENT_ENV->jvmti_can_access_local_variables() || DeoptimizeALot || CompileTheWorld) {
// Keep all locals live for the user's edification and amusement.
result.at_put_range(0, result.size(), true);
}