16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *
  24  */
  25 
  26 #ifndef OS_CPU_LINUX_S390_VM_THREAD_LINUX_S390_HPP
  27 #define OS_CPU_LINUX_S390_VM_THREAD_LINUX_S390_HPP
  28 
  29  private:
  30 
  31   void pd_initialize() {
  32     _anchor.clear();
  33   }
  34 
  35   // The `last' frame is the youngest Java frame on the thread's stack.
  36   frame pd_last_frame() {
  37     assert(has_last_Java_frame(), "must have last_Java_sp() when suspended");
  38 
  39     intptr_t* sp = last_Java_sp();
  40     address pc = _anchor.last_Java_pc();
  41 
  42     // Last_Java_pc ist not set if we come here from compiled code.
  43     if (pc == NULL) {
  44       pc = (address) *(sp + 14);
  45     }
  46 
  47     return frame(sp, pc);
  48   }
  49 
  50  public:
  51   void set_base_of_stack_pointer(intptr_t* base_sp) {}
  52   intptr_t* base_of_stack_pointer() { return NULL; }
  53   void record_base_of_stack_pointer() {}
  54 
  55   // These routines are only used on cpu architectures that
  56   // have separate register stacks (Itanium).
  57   static bool register_stack_overflow() { return false; }
  58   static void enable_register_stack_guard() {}
  59   static void disable_register_stack_guard() {}
  60 
  61   bool pd_get_top_frame_for_signal_handler(frame* fr_addr, void* ucontext, bool isInJava);
  62 
  63 #endif // OS_CPU_LINUX_S390_VM_THREAD_LINUX_S390_HPP

  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *
  24  */
  25 
  26 #ifndef OS_CPU_LINUX_S390_VM_THREAD_LINUX_S390_HPP
  27 #define OS_CPU_LINUX_S390_VM_THREAD_LINUX_S390_HPP
  28 
  29  private:
  30 
  31   void pd_initialize() {
  32     _anchor.clear();
  33   }
  34 
  35   // The `last' frame is the youngest Java frame on the thread's stack.
  36   frame pd_last_frame();












  37 
  38  public:
  39   void set_base_of_stack_pointer(intptr_t* base_sp) {}
  40   intptr_t* base_of_stack_pointer() { return NULL; }
  41   void record_base_of_stack_pointer() {}
  42 
  43   // These routines are only used on cpu architectures that
  44   // have separate register stacks (Itanium).
  45   static bool register_stack_overflow() { return false; }
  46   static void enable_register_stack_guard() {}
  47   static void disable_register_stack_guard() {}
  48 
  49   bool pd_get_top_frame_for_signal_handler(frame* fr_addr, void* ucontext, bool isInJava);
  50 
  51 #endif // OS_CPU_LINUX_S390_VM_THREAD_LINUX_S390_HPP