src/hotspot/os/solaris/os_solaris.cpp

rev 51957 : 8224221: add memprotect calls to event log
Reviewed-by: dholmes, mdoerr

*** 2702,2711 ****
--- 2702,2712 ----
  }
  
  static bool solaris_mprotect(char* addr, size_t bytes, int prot) {
    assert(addr == (char*)align_down((uintptr_t)addr, os::vm_page_size()),
           "addr must be page aligned");
+   Events::log(NULL, "Protecting memory [" INTPTR_FORMAT "," INTPTR_FORMAT "] with protection modes %x", p2i(addr), p2i(addr+bytes), prot);
    int retVal = mprotect(addr, bytes, prot);
    return retVal == 0;
  }
  
  // Protect memory (Used to pass readonly pages through
*** 4302,4318 ****
--- 4303,4321 ----
    return JNI_OK;
  }
  
  // Mark the polling page as unreadable
  void os::make_polling_page_unreadable(void) {
+   Events::log(NULL, "Protecting polling page " INTPTR_FORMAT " with PROT_NONE", p2i(_polling_page));
    if (mprotect((char *)_polling_page, page_size, PROT_NONE) != 0) {
      fatal("Could not disable polling page");
    }
  }
  
  // Mark the polling page as readable
  void os::make_polling_page_readable(void) {
+   Events::log(NULL, "Protecting polling page " INTPTR_FORMAT " with PROT_READ", p2i(_polling_page));
    if (mprotect((char *)_polling_page, page_size, PROT_READ) != 0) {
      fatal("Could not enable polling page");
    }
  }