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src/os_cpu/linux_sparc/vm/os_linux_sparc.cpp

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 155   register void *sp __asm__ ("sp");
 156   return (address)sp;
 157 }
 158 
 159 static void current_stack_region(address* bottom, size_t* size) {
 160   if (os::Linux::is_initial_thread()) {
 161     // initial thread needs special handling because pthread_getattr_np()
 162     // may return bogus value.
 163     *bottom = os::Linux::initial_thread_stack_bottom();
 164     *size = os::Linux::initial_thread_stack_size();
 165   } else {
 166     pthread_attr_t attr;
 167 
 168     int rslt = pthread_getattr_np(pthread_self(), &attr);
 169 
 170     // JVM needs to know exact stack location, abort if it fails
 171     if (rslt != 0) {
 172       if (rslt == ENOMEM) {
 173         vm_exit_out_of_memory(0, OOM_MMAP_ERROR, "pthread_getattr_np");
 174       } else {
 175         fatal(err_msg("pthread_getattr_np failed with errno = %d", rslt));
 176       }
 177     }
 178 
 179     if (pthread_attr_getstack(&attr, (void**)bottom, size) != 0) {
 180       fatal("Can not locate current stack attributes!");
 181     }
 182 
 183     pthread_attr_destroy(&attr);
 184   }
 185   assert(os::current_stack_pointer() >= *bottom &&
 186          os::current_stack_pointer() < *bottom + *size, "just checking");
 187 }
 188 
 189 address os::current_stack_base() {
 190   address bottom;
 191   size_t size;
 192   current_stack_region(&bottom, &size);
 193   return bottom + size;
 194 }
 195 


 675   // signal-chaining
 676   if (os::Linux::chained_handler(sig, info, ucVoid)) {
 677     return true;
 678   }
 679 
 680   if (!abort_if_unrecognized) {
 681     // caller wants another chance, so give it to him
 682     return false;
 683   }
 684 
 685   if (pc == NULL && uc != NULL) {
 686     pc = os::Linux::ucontext_get_pc((ucontext_t*)uc);
 687   }
 688 
 689   // unmask current signal
 690   sigset_t newset;
 691   sigemptyset(&newset);
 692   sigaddset(&newset, sig);
 693   sigprocmask(SIG_UNBLOCK, &newset, NULL);
 694 
 695   VMError err(t, sig, pc, info, ucVoid);
 696   err.report_and_die();
 697 
 698   ShouldNotReachHere();
 699 }
 700 
 701 void os::Linux::init_thread_fpu_state(void) {
 702   // Nothing to do
 703 }
 704 
 705 int os::Linux::get_fpu_control_word() {
 706   return 0;
 707 }
 708 
 709 void os::Linux::set_fpu_control_word(int fpu) {
 710   // nothing
 711 }
 712 
 713 bool os::is_allocatable(size_t bytes) {
 714 #ifdef _LP64
 715   return true;
 716 #else




 155   register void *sp __asm__ ("sp");
 156   return (address)sp;
 157 }
 158 
 159 static void current_stack_region(address* bottom, size_t* size) {
 160   if (os::Linux::is_initial_thread()) {
 161     // initial thread needs special handling because pthread_getattr_np()
 162     // may return bogus value.
 163     *bottom = os::Linux::initial_thread_stack_bottom();
 164     *size = os::Linux::initial_thread_stack_size();
 165   } else {
 166     pthread_attr_t attr;
 167 
 168     int rslt = pthread_getattr_np(pthread_self(), &attr);
 169 
 170     // JVM needs to know exact stack location, abort if it fails
 171     if (rslt != 0) {
 172       if (rslt == ENOMEM) {
 173         vm_exit_out_of_memory(0, OOM_MMAP_ERROR, "pthread_getattr_np");
 174       } else {
 175         fatal("pthread_getattr_np failed with errno = %d", rslt);
 176       }
 177     }
 178 
 179     if (pthread_attr_getstack(&attr, (void**)bottom, size) != 0) {
 180       fatal("Can not locate current stack attributes!");
 181     }
 182 
 183     pthread_attr_destroy(&attr);
 184   }
 185   assert(os::current_stack_pointer() >= *bottom &&
 186          os::current_stack_pointer() < *bottom + *size, "just checking");
 187 }
 188 
 189 address os::current_stack_base() {
 190   address bottom;
 191   size_t size;
 192   current_stack_region(&bottom, &size);
 193   return bottom + size;
 194 }
 195 


 675   // signal-chaining
 676   if (os::Linux::chained_handler(sig, info, ucVoid)) {
 677     return true;
 678   }
 679 
 680   if (!abort_if_unrecognized) {
 681     // caller wants another chance, so give it to him
 682     return false;
 683   }
 684 
 685   if (pc == NULL && uc != NULL) {
 686     pc = os::Linux::ucontext_get_pc((ucontext_t*)uc);
 687   }
 688 
 689   // unmask current signal
 690   sigset_t newset;
 691   sigemptyset(&newset);
 692   sigaddset(&newset, sig);
 693   sigprocmask(SIG_UNBLOCK, &newset, NULL);
 694 
 695   VMError::report_and_die(t, sig, pc, info, ucVoid);

 696 
 697   ShouldNotReachHere();
 698 }
 699 
 700 void os::Linux::init_thread_fpu_state(void) {
 701   // Nothing to do
 702 }
 703 
 704 int os::Linux::get_fpu_control_word() {
 705   return 0;
 706 }
 707 
 708 void os::Linux::set_fpu_control_word(int fpu) {
 709   // nothing
 710 }
 711 
 712 bool os::is_allocatable(size_t bytes) {
 713 #ifdef _LP64
 714   return true;
 715 #else


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