src/hotspot/os/posix/vmError_posix.cpp

rev 49255 : 8191101: Show register content in hs-err file on assert
Reviewed-by:

*** 25,34 ****
--- 25,35 ----
  #include "precompiled.hpp"
  #include "memory/metaspaceShared.hpp"
  #include "runtime/arguments.hpp"
  #include "runtime/os.hpp"
  #include "runtime/thread.hpp"
+ #include "utilities/debug.hpp"
  #include "utilities/vmError.hpp"
  
  #include <sys/types.h>
  #include <sys/wait.h>
  #include <signal.h>
*** 120,134 ****
--- 121,144 ----
    // Correct pc for SIGILL, SIGFPE (see JDK-8176872)
    if (sig == SIGILL || sig == SIGFPE) {
      pc = (address) info->si_addr;
    }
  
+   // Needed to make it possible to call SafeFetch.. APIs in error handling.
    if (uc && pc && StubRoutines::is_safefetch_fault(pc)) {
      os::Posix::ucontext_set_pc(uc, StubRoutines::continuation_for_safefetch_fault(pc));
      return;
    }
  
+   // Needed because asserts may happen in error handling too.
+   #ifdef CAN_SHOW_REGISTERS_ON_ASSERT
+   if ( (sig == SIGSEGV || sig == SIGBUS) && info != NULL && info->si_addr == g_assert_poison) {
+     handle_assert_poison_fault(ucVoid, info->si_addr);
+     return;
+   }
+   #endif // CAN_SHOW_REGISTERS_ON_ASSERT
+ 
    VMError::report_and_die(NULL, sig, pc, info, ucVoid);
  }
  
  void VMError::reset_signal_handlers() {
    // install signal handlers for all synchronous program error signals