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8028470: PPC64 (part 214): linux: extend signal handler to catch SIGTRAP on ppc64

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Reviewed-by: kvn
This commit is contained in:
Goetz Lindenmaier 2013-11-16 01:42:55 +01:00
parent f9a0d6a4b5
commit c16bc98686
1 changed files with 12 additions and 1 deletions
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13
hotspot/src/os/linux/vm/os_linux.cpp
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@ -532,6 +532,9 @@ void os::Linux::signal_sets_init() {
sigaddset(&unblocked_sigs, SIGSEGV);
sigaddset(&unblocked_sigs, SIGBUS);
sigaddset(&unblocked_sigs, SIGFPE);
#if defined(PPC64)
sigaddset(&unblocked_sigs, SIGTRAP);
#endif
sigaddset(&unblocked_sigs, SR_signum);
if (!ReduceSignalUsage) {
@ -2294,6 +2297,9 @@ void os::print_signal_handlers(outputStream* st, char* buf, size_t buflen) {
print_signal_handler(st, SHUTDOWN2_SIGNAL , buf, buflen);
print_signal_handler(st, SHUTDOWN3_SIGNAL , buf, buflen);
print_signal_handler(st, BREAK_SIGNAL, buf, buflen);
#if defined(PPC64)
print_signal_handler(st, SIGTRAP, buf, buflen);
#endif
}
static char saved_jvm_path[MAXPATHLEN] = {0};
@ -4423,6 +4429,9 @@ void os::Linux::install_signal_handlers() {
set_signal_handler(SIGBUS, true);
set_signal_handler(SIGILL, true);
set_signal_handler(SIGFPE, true);
#if defined(PPC64)
set_signal_handler(SIGTRAP, true);
#endif
set_signal_handler(SIGXFSZ, true);
if (libjsig_is_loaded) {
@ -4565,7 +4574,9 @@ void os::run_periodic_checks() {
DO_SIGNAL_CHECK(SIGBUS);
DO_SIGNAL_CHECK(SIGPIPE);
DO_SIGNAL_CHECK(SIGXFSZ);
#if defined(PPC64)
DO_SIGNAL_CHECK(SIGTRAP);
#endif
// ReduceSignalUsage allows the user to override these handlers
// see comments at the very top and jvm_solaris.h