--- a/src/hotspot/os_cpu/solaris_x86/os_solaris_x86.cpp	Thu Nov 12 10:50:44 2020
+++ b/src/hotspot/os_cpu/solaris_x86/os_solaris_x86.cpp	Thu Nov 12 10:57:39 2020
@@ -346,61 +346,9 @@
   return result;
 }
 
-extern "C" JNIEXPORT int
-JVM_handle_solaris_signal(int sig, siginfo_t* info, void* ucVoid,
-                          int abort_if_unrecognized) {
-  ucontext_t* uc = (ucontext_t*) ucVoid;
+bool PosixSignals::pd_hotspot_signal_handler(int sig, siginfo_t* info,
+                                             ucontext_t* uc, JavaThread* thread) {
 
-#ifndef AMD64
-  if (sig == SIGILL && info->si_addr == (caddr_t)sse_check) {
-    // the SSE instruction faulted. supports_sse() need return false.
-    uc->uc_mcontext.gregs[EIP] = (greg_t)sse_unavailable;
-    return true;
-  }
-#endif // !AMD64
-
-  Thread* t = Thread::current_or_null_safe();
-
-  // If crash protection is installed we may longjmp away and no destructors
-  // for objects in this scope will be run.
-  // So don't use any RAII utilities before crash protection is checked.
-  os::ThreadCrashProtection::check_crash_protection(sig, t);
-
-  if(sig == SIGPIPE || sig == SIGXFSZ) {
-    if (PosixSignals::chained_handler(sig, info, ucVoid)) {
-      return true;
-    } else {
-      // Ignoring SIGPIPE/SIGXFSZ - see bugs 4229104 or 6499219
-      return true;
-    }
-  }
-
-  JavaThread* thread = NULL;
-  VMThread* vmthread = NULL;
-
-  if (PosixSignals::are_signal_handlers_installed()) {
-    if (t != NULL ){
-      if(t->is_Java_thread()) {
-        thread = (JavaThread*)t;
-      }
-      else if(t->is_VM_thread()){
-        vmthread = (VMThread *)t;
-      }
-    }
-  }
-
-  if (sig == ASYNC_SIGNAL) {
-    if(thread || vmthread){
-      return true;
-    } else if (PosixSignals::chained_handler(sig, info, ucVoid)) {
-      return true;
-    } else {
-      // If ASYNC_SIGNAL not chained, and this is a non-vm and
-      // non-java thread
-      return true;
-    }
-  }
-
   if (info == NULL || info->si_code <= 0 || info->si_code == SI_NOINFO) {
     // can't decode this kind of signal
     info = NULL;
@@ -608,52 +556,6 @@
     return true;
   }
 
-  // signal-chaining
-  if (PosixSignals::chained_handler(sig, info, ucVoid)) {
-    return true;
-  }
-
-  if (!abort_if_unrecognized) {
-    // caller wants another chance, so give it to him
-    return false;
-  }
-
-  /*
-   * FIXME: libjsig_is_loaded has been moved to PosixSignals but is
-   * not visible. But what does this code do anyway? I can find no
-   * analogues to this code in any other os_cpu files
-   *
-  if (!PosixSignals::libjsig_is_loaded) {
-    struct sigaction oldAct;
-    sigaction(sig, (struct sigaction *)0, &oldAct);
-    if (oldAct.sa_sigaction != signalHandler) {
-      void* sighand = oldAct.sa_sigaction ? CAST_FROM_FN_PTR(void*,  oldAct.sa_sigaction)
-                                          : CAST_FROM_FN_PTR(void*, oldAct.sa_handler);
-      warning("Unexpected Signal %d occurred under user-defined signal handler %#lx", sig, (long)sighand);
-    }
-  }
-  */
-
-  if (pc == NULL && uc != NULL) {
-    pc = (address) uc->uc_mcontext.gregs[REG_PC];
-  }
-
-  // unmask current signal
-  sigset_t newset;
-  sigemptyset(&newset);
-  sigaddset(&newset, sig);
-  sigprocmask(SIG_UNBLOCK, &newset, NULL);
-
-  // Determine which sort of error to throw.  Out of swap may signal
-  // on the thread stack, which could get a mapping error when touched.
-  address addr = (address) info->si_addr;
-  if (sig == SIGBUS && info->si_code == BUS_OBJERR && info->si_errno == ENOMEM) {
-    vm_exit_out_of_memory(0, OOM_MMAP_ERROR, "Out of swap space to map in thread stack.");
-  }
-
-  VMError::report_and_die(t, sig, pc, info, ucVoid);
-
-  ShouldNotReachHere();
   return false;
 }