# HG changeset patch
# User goetz
# Date 1384562575 -3600
# Node ID 935bf3340572926797915b39ddbe09ec6040028c
# Parent  1410ad6b05f11699e1b0ab36e7e0a1c5f7f2e463
8028470: PPC64 (part 214): linux: extend signal handler to catch SIGTRAP on ppc64.
Reviewed-by: kvn

diff -r 1410ad6b05f1 -r 935bf3340572 src/os/linux/vm/os_linux.cpp
--- a/src/os/linux/vm/os_linux.cpp	Fri Nov 15 12:01:00 2013 -0800
+++ b/src/os/linux/vm/os_linux.cpp	Sat Nov 16 01:42:55 2013 +0100
@@ -532,6 +532,9 @@
   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 @@
   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 @@
     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 @@
   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