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8220051: Remove global safepoint code

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Reviewed-by: mdoerr, dcubed, eosterlund, bulasevich, coleenp
This commit is contained in:
Robbin Ehn 2020-04-01 14:54:44 +02:00
parent 8d84cf5a3b
commit bf41f548e1
86 changed files with 263 additions and 927 deletions
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4
src/hotspot/os_cpu/linux_ppc/os_linux_ppc.cpp
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@ -410,7 +410,7 @@ JVM_handle_linux_signal(int sig,
stub = SharedRuntime::get_handle_wrong_method_stub();
}
else if (sig == ((SafepointMechanism::uses_thread_local_poll() && USE_POLL_BIT_ONLY) ? SIGTRAP : SIGSEGV) &&
else if ((sig == USE_POLL_BIT_ONLY ? SIGTRAP : SIGSEGV) &&
// A linux-ppc64 kernel before 2.6.6 doesn't set si_addr on some segfaults
// in 64bit mode (cf. http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.6),
// especially when we try to read from the safepoint polling page. So the check
@ -422,7 +422,7 @@ JVM_handle_linux_signal(int sig,
cb->is_compiled()) {
if (TraceTraps) {
tty->print_cr("trap: safepoint_poll at " INTPTR_FORMAT " (%s)", p2i(pc),
(SafepointMechanism::uses_thread_local_poll() && USE_POLL_BIT_ONLY) ? "SIGTRAP" : "SIGSEGV");
USE_POLL_BIT_ONLY ? "SIGTRAP" : "SIGSEGV");
}
stub = SharedRuntime::get_poll_stub(pc);
}