530  public:
531 
532   // Get caller pc from stack slot of gpr14.
533   address native_sender_pc() const;
534   // Get caller pc from stack slot of gpr10.
535   address callstub_sender_pc() const;
536 
537   // Dump all frames starting at a given C stack pointer.
538   // max_frames: Limit number of traced frames.
539   //             <= 0 --> full trace
540   //             > 0  --> trace the #max_frames topmost frames
541   static void back_trace(outputStream* st, intptr_t* start_sp, intptr_t* top_pc,
542                          unsigned long flags, int max_frames = 0);
543 
544   enum {
545     metadata_words           = 0,
546     metadata_words_at_bottom = 0,
547     metadata_words_at_top    = 0,
548     frame_alignment          = 16,
549     // size, in words, of maximum shift in frame position due to alignment
550     align_wiggle             =  1


551   };
552 
553   static jint interpreter_frame_expression_stack_direction() { return -1; }
554 




555 #endif // CPU_S390_FRAME_S390_HPP

530  public:
531 
532   // Get caller pc from stack slot of gpr14.
533   address native_sender_pc() const;
534   // Get caller pc from stack slot of gpr10.
535   address callstub_sender_pc() const;
536 
537   // Dump all frames starting at a given C stack pointer.
538   // max_frames: Limit number of traced frames.
539   //             <= 0 --> full trace
540   //             > 0  --> trace the #max_frames topmost frames
541   static void back_trace(outputStream* st, intptr_t* start_sp, intptr_t* top_pc,
542                          unsigned long flags, int max_frames = 0);
543 
544   enum {
545     metadata_words           = 0,
546     metadata_words_at_bottom = 0,
547     metadata_words_at_top    = 0,
548     frame_alignment          = 16,
549     // size, in words, of maximum shift in frame position due to alignment
550     align_wiggle             =  1,
551     // This is wrong and unimplemented
552     sender_sp_offset         =  0
553   };
554 
555   static jint interpreter_frame_expression_stack_direction() { return -1; }
556 
557   intptr_t* repair_sender_sp(intptr_t* sender_sp, intptr_t** saved_fp_addr) const;
558   static intptr_t* repair_sender_sp(nmethod* nm, intptr_t* sp, intptr_t** saved_fp_addr);
559   bool was_augmented_on_entry(int& real_size) const;
560 
561 #endif // CPU_S390_FRAME_S390_HPP