src/os/linux/vm/os_linux.cpp

rev 3821 : [mq]: unused

*** 190,200 ****
  #endif // JAVASE_EMBEDDED
  
  // utility functions
  
  static int SR_initialize();
- static int SR_finalize();
  
  julong os::available_memory() {
    return Linux::available_memory();
  }
  
--- 190,199 ----
*** 3553,3566 ****
    // Save signal flag
    os::Linux::set_our_sigflags(SR_signum, act.sa_flags);
    return 0;
  }
  
- static int SR_finalize() {
-   return 0;
- }
- 
  
  // returns true on success and false on error - really an error is fatal
  // but this seems the normal response to library errors
  static bool do_suspend(OSThread* osthread) {
    // mark as suspended and send signal
--- 3552,3561 ----
*** 4400,4419 ****
  }
  
  ////////////////////////////////////////////////////////////////////////////////
  // debug support
  
- static address same_page(address x, address y) {
-   int page_bits = -os::vm_page_size();
-   if ((intptr_t(x) & page_bits) == (intptr_t(y) & page_bits))
-     return x;
-   else if (x > y)
-     return (address)(intptr_t(y) | ~page_bits) + 1;
-   else
-     return (address)(intptr_t(y) & page_bits);
- }
- 
  bool os::find(address addr, outputStream* st) {
    Dl_info dlinfo;
    memset(&dlinfo, 0, sizeof(dlinfo));
    if (dladdr(addr, &dlinfo)) {
      st->print(PTR_FORMAT ": ", addr);
--- 4395,4404 ----
*** 4433,4444 ****
      }
      st->cr();
  
      if (Verbose) {
        // decode some bytes around the PC
!       address begin = same_page(addr-40, addr);
!       address end   = same_page(addr+40, addr);
        address       lowest = (address) dlinfo.dli_sname;
        if (!lowest)  lowest = (address) dlinfo.dli_fbase;
        if (begin < lowest)  begin = lowest;
        Dl_info dlinfo2;
        if (dladdr(end, &dlinfo2) && dlinfo2.dli_saddr != dlinfo.dli_saddr
--- 4418,4429 ----
      }
      st->cr();
  
      if (Verbose) {
        // decode some bytes around the PC
!       address begin = clamp_address_in_page(addr-40, addr);
!       address end   = clamp_address_in_page(addr+40, addr);
        address       lowest = (address) dlinfo.dli_sname;
        if (!lowest)  lowest = (address) dlinfo.dli_fbase;
        if (begin < lowest)  begin = lowest;
        Dl_info dlinfo2;
        if (dladdr(end, &dlinfo2) && dlinfo2.dli_saddr != dlinfo.dli_saddr