857 if (C->stub_function() != NULL && BarrierSet::barrier_set()->barrier_set_nmethod() != NULL) {
858 st->print("\n\t");
859 st->print("cmpl [r15_thread + #disarmed_offset], #disarmed_value\t");
860 st->print("\n\t");
861 st->print("je fast_entry\t");
862 st->print("\n\t");
863 st->print("call #nmethod_entry_barrier_stub\t");
864 st->print("\n\tfast_entry:");
865 }
866 st->cr();
867 }
868 #endif
869
870 void MachPrologNode::emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const {
871 Compile* C = ra_->C;
872 MacroAssembler _masm(&cbuf);
873
874 int framesize = C->frame_size_in_bytes();
875 int bangsize = C->bang_size_in_bytes();
876
877 __ verified_entry(framesize, C->need_stack_bang(bangsize)?bangsize:0, false, C->stub_function() != NULL);
878
879 C->set_frame_complete(cbuf.insts_size());
880
881 if (C->has_mach_constant_base_node()) {
882 // NOTE: We set the table base offset here because users might be
883 // emitted before MachConstantBaseNode.
884 Compile::ConstantTable& constant_table = C->constant_table();
885 constant_table.set_table_base_offset(constant_table.calculate_table_base_offset());
886 }
887 }
888
889 uint MachPrologNode::size(PhaseRegAlloc* ra_) const
890 {
891 return MachNode::size(ra_); // too many variables; just compute it
892 // the hard way
893 }
894
895 int MachPrologNode::reloc() const
896 {
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857 if (C->stub_function() != NULL && BarrierSet::barrier_set()->barrier_set_nmethod() != NULL) {
858 st->print("\n\t");
859 st->print("cmpl [r15_thread + #disarmed_offset], #disarmed_value\t");
860 st->print("\n\t");
861 st->print("je fast_entry\t");
862 st->print("\n\t");
863 st->print("call #nmethod_entry_barrier_stub\t");
864 st->print("\n\tfast_entry:");
865 }
866 st->cr();
867 }
868 #endif
869
870 void MachPrologNode::emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const {
871 Compile* C = ra_->C;
872 MacroAssembler _masm(&cbuf);
873
874 int framesize = C->frame_size_in_bytes();
875 int bangsize = C->bang_size_in_bytes();
876
877 if (C->clinit_barrier_on_entry()) {
878 assert(C->method()->holder()->is_being_initialized(), "sanity");
879 Label L_skip_barrier;
880 Register klass = rscratch1;
881
882 __ mov_metadata(klass, C->method()->holder()->constant_encoding());
883 __ clinit_barrier(klass, r15_thread, &L_skip_barrier /*L_fast_path*/);
884
885 __ jump(RuntimeAddress(SharedRuntime::get_handle_wrong_method_stub())); // slow path
886
887 __ bind(L_skip_barrier);
888 }
889
890 __ verified_entry(framesize, C->need_stack_bang(bangsize)?bangsize:0, false, C->stub_function() != NULL);
891
892 C->set_frame_complete(cbuf.insts_size());
893
894 if (C->has_mach_constant_base_node()) {
895 // NOTE: We set the table base offset here because users might be
896 // emitted before MachConstantBaseNode.
897 Compile::ConstantTable& constant_table = C->constant_table();
898 constant_table.set_table_base_offset(constant_table.calculate_table_base_offset());
899 }
900 }
901
902 uint MachPrologNode::size(PhaseRegAlloc* ra_) const
903 {
904 return MachNode::size(ra_); // too many variables; just compute it
905 // the hard way
906 }
907
908 int MachPrologNode::reloc() const
909 {
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