| /* |
| * Copyright (c) 2002, 2015, Oracle and/or its affiliates. All rights reserved. |
| * Copyright (c) 2012, 2015 SAP SE. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #ifndef CPU_PPC_VM_INTERP_MASM_PPC_64_HPP |
| #define CPU_PPC_VM_INTERP_MASM_PPC_64_HPP |
| |
| #include "asm/macroAssembler.hpp" |
| #include "interpreter/invocationCounter.hpp" |
| |
| // This file specializes the assembler with interpreter-specific macros. |
| |
| |
| class InterpreterMacroAssembler: public MacroAssembler { |
| |
| public: |
| InterpreterMacroAssembler(CodeBuffer* code) : MacroAssembler(code) {} |
| |
| void null_check_throw(Register a, int offset, Register temp_reg); |
| |
| void jump_to_entry(address entry, Register Rscratch); |
| |
| // Handy address generation macros. |
| #define thread_(field_name) in_bytes(JavaThread::field_name ## _offset()), R16_thread |
| #define method_(field_name) in_bytes(Method::field_name ## _offset()), R19_method |
| |
| virtual void check_and_handle_popframe(Register java_thread); |
| virtual void check_and_handle_earlyret(Register java_thread); |
| |
| // Base routine for all dispatches. |
| void dispatch_base(TosState state, address* table); |
| |
| void load_earlyret_value(TosState state, Register Rscratch1); |
| |
| static const Address l_tmp; |
| static const Address d_tmp; |
| |
| // dispatch routines |
| void dispatch_next(TosState state, int step = 0); |
| void dispatch_via (TosState state, address* table); |
| void load_dispatch_table(Register dst, address* table); |
| void dispatch_Lbyte_code(TosState state, Register bytecode, address* table, bool verify = false); |
| |
| // Called by shared interpreter generator. |
| void dispatch_prolog(TosState state, int step = 0); |
| void dispatch_epilog(TosState state, int step = 0); |
| |
| // Super call_VM calls - correspond to MacroAssembler::call_VM(_leaf) calls. |
| void super_call_VM_leaf(Register thread_cache, address entry_point, Register arg_1); |
| void super_call_VM(Register thread_cache, Register oop_result, Register last_java_sp, |
| address entry_point, Register arg_1, Register arg_2, bool check_exception = true); |
| |
| // Generate a subtype check: branch to ok_is_subtype if sub_klass is |
| // a subtype of super_klass. Blows registers tmp1, tmp2 and tmp3. |
| void gen_subtype_check(Register sub_klass, Register super_klass, |
| Register tmp1, Register tmp2, Register tmp3, Label &ok_is_subtype); |
| |
| // Load object from cpool->resolved_references(index). |
| void load_resolved_reference_at_index(Register result, Register index, Label *is_null = NULL); |
| |
| void generate_stack_overflow_check_with_compare_and_throw(Register Rmem_frame_size, Register Rscratch1); |
| void load_receiver(Register Rparam_count, Register Rrecv_dst); |
| |
| // helpers for expression stack |
| void pop_i( Register r = R17_tos); |
| void pop_ptr( Register r = R17_tos); |
| void pop_l( Register r = R17_tos); |
| void pop_f(FloatRegister f = F15_ftos); |
| void pop_d(FloatRegister f = F15_ftos ); |
| |
| void push_i( Register r = R17_tos); |
| void push_ptr( Register r = R17_tos); |
| void push_l( Register r = R17_tos); |
| void push_f(FloatRegister f = F15_ftos ); |
| void push_d(FloatRegister f = F15_ftos); |
| |
| void push_2ptrs(Register first, Register second); |
| |
| void push_l_pop_d(Register l = R17_tos, FloatRegister d = F15_ftos); |
| void push_d_pop_l(FloatRegister d = F15_ftos, Register l = R17_tos); |
| |
| void pop (TosState state); // transition vtos -> state |
| void push(TosState state); // transition state -> vtos |
| void empty_expression_stack(); // Resets both Lesp and SP. |
| |
| public: |
| // Load values from bytecode stream: |
| |
| enum signedOrNot { Signed, Unsigned }; |
| enum setCCOrNot { set_CC, dont_set_CC }; |
| |
| void get_2_byte_integer_at_bcp(int bcp_offset, |
| Register Rdst, |
| signedOrNot is_signed); |
| |
| void get_4_byte_integer_at_bcp(int bcp_offset, |
| Register Rdst, |
| signedOrNot is_signed = Unsigned); |
| |
| void get_cache_index_at_bcp(Register Rdst, int bcp_offset, size_t index_size); |
| |
| void get_cache_and_index_at_bcp(Register cache, int bcp_offset, size_t index_size = sizeof(u2)); |
| |
| void get_u4(Register Rdst, Register Rsrc, int offset, signedOrNot is_signed); |
| |
| // common code |
| |
| void field_offset_at(int n, Register tmp, Register dest, Register base); |
| int field_offset_at(Register object, address bcp, int offset); |
| void fast_iaaccess(int n, address bcp); |
| void fast_iaputfield(address bcp, bool do_store_check); |
| |
| void index_check(Register array, Register index, int index_shift, Register tmp, Register res); |
| void index_check_without_pop(Register array, Register index, int index_shift, Register tmp, Register res); |
| |
| void get_const(Register Rdst); |
| void get_constant_pool(Register Rdst); |
| void get_constant_pool_cache(Register Rdst); |
| void get_cpool_and_tags(Register Rcpool, Register Rtags); |
| void is_a(Label& L); |
| |
| // Java Call Helpers |
| void call_from_interpreter(Register Rtarget_method, Register Rret_addr, Register Rscratch1, Register Rscratch2); |
| |
| // -------------------------------------------------- |
| |
| void unlock_if_synchronized_method(TosState state, bool throw_monitor_exception = true, |
| bool install_monitor_exception = true); |
| |
| // Removes the current activation (incl. unlocking of monitors). |
| // Additionally this code is used for earlyReturn in which case we |
| // want to skip throwing an exception and installing an exception. |
| void remove_activation(TosState state, |
| bool throw_monitor_exception = true, |
| bool install_monitor_exception = true); |
| void merge_frames(Register Rtop_frame_sp, Register return_pc, Register Rscratch1, Register Rscratch2); // merge top frames |
| |
| void add_monitor_to_stack(bool stack_is_empty, Register Rtemp1, Register Rtemp2); |
| |
| // Local variable access helpers |
| void load_local_int(Register Rdst_value, Register Rdst_address, Register Rindex); |
| void load_local_long(Register Rdst_value, Register Rdst_address, Register Rindex); |
| void load_local_ptr(Register Rdst_value, Register Rdst_address, Register Rindex); |
| void load_local_float(FloatRegister Rdst_value, Register Rdst_address, Register Rindex); |
| void load_local_double(FloatRegister Rdst_value, Register Rdst_address, Register Rindex); |
| void store_local_int(Register Rvalue, Register Rindex); |
| void store_local_long(Register Rvalue, Register Rindex); |
| void store_local_ptr(Register Rvalue, Register Rindex); |
| void store_local_float(FloatRegister Rvalue, Register Rindex); |
| void store_local_double(FloatRegister Rvalue, Register Rindex); |
| |
| // Call VM for std frames |
| // Special call VM versions that check for exceptions and forward exception |
| // via short cut (not via expensive forward exception stub). |
| void check_and_forward_exception(Register Rscratch1, Register Rscratch2); |
| void call_VM(Register oop_result, address entry_point, bool check_exceptions = true); |
| void call_VM(Register oop_result, address entry_point, Register arg_1, bool check_exceptions = true); |
| void call_VM(Register oop_result, address entry_point, Register arg_1, Register arg_2, bool check_exceptions = true); |
| void call_VM(Register oop_result, address entry_point, Register arg_1, Register arg_2, Register arg_3, bool check_exceptions = true); |
| // Should not be used: |
| void call_VM(Register oop_result, Register last_java_sp, address entry_point, bool check_exceptions = true) {ShouldNotReachHere();} |
| void call_VM(Register oop_result, Register last_java_sp, address entry_point, Register arg_1, bool check_exceptions = true) {ShouldNotReachHere();} |
| void call_VM(Register oop_result, Register last_java_sp, address entry_point, Register arg_1, Register arg_2, bool check_exceptions = true) {ShouldNotReachHere();} |
| void call_VM(Register oop_result, Register last_java_sp, address entry_point, Register arg_1, Register arg_2, Register arg_3, bool check_exceptions = true) {ShouldNotReachHere();} |
| |
| Address first_local_in_stack(); |
| |
| enum LoadOrStore { load, store }; |
| void static_iload_or_store(int which_local, LoadOrStore direction, Register Rtmp); |
| void static_aload_or_store(int which_local, LoadOrStore direction, Register Rtmp); |
| void static_dload_or_store(int which_local, LoadOrStore direction); |
| |
| void save_interpreter_state(Register scratch); |
| void restore_interpreter_state(Register scratch, bool bcp_and_mdx_only = false); |
| |
| void increment_backedge_counter(const Register Rcounters, Register Rtmp, Register Rtmp2, Register Rscratch); |
| void test_backedge_count_for_osr(Register backedge_count, Register method_counters, Register target_bcp, Register disp, Register Rtmp); |
| |
| void record_static_call_in_profile(Register Rentry, Register Rtmp); |
| void record_receiver_call_in_profile(Register Rklass, Register Rentry, Register Rtmp); |
| |
| void get_method_counters(Register method, Register Rcounters, Label& skip); |
| void increment_invocation_counter(Register iv_be_count, Register Rtmp1, Register Rtmp2_r0); |
| |
| // Object locking |
| void lock_object (Register lock_reg, Register obj_reg); |
| void unlock_object(Register lock_reg, bool check_for_exceptions = true); |
| |
| // Interpreter profiling operations |
| void set_method_data_pointer_for_bcp(); |
| void test_method_data_pointer(Label& zero_continue); |
| void verify_method_data_pointer(); |
| void test_invocation_counter_for_mdp(Register invocation_count, Register method_counters, Register Rscratch, Label &profile_continue); |
| |
| void set_mdp_data_at(int constant, Register value); |
| |
| void increment_mdp_data_at(int constant, Register counter_addr, Register Rbumped_count, bool decrement = false); |
| |
| void increment_mdp_data_at(Register counter_addr, Register Rbumped_count, bool decrement = false); |
| void increment_mdp_data_at(Register reg, int constant, Register scratch, Register Rbumped_count, bool decrement = false); |
| |
| void set_mdp_flag_at(int flag_constant, Register scratch); |
| void test_mdp_data_at(int offset, Register value, Label& not_equal_continue, Register test_out); |
| |
| void update_mdp_by_offset(int offset_of_disp, Register scratch); |
| void update_mdp_by_offset(Register reg, int offset_of_disp, |
| Register scratch); |
| void update_mdp_by_constant(int constant); |
| void update_mdp_for_ret(TosState state, Register return_bci); |
| |
| void profile_taken_branch(Register scratch, Register bumped_count); |
| void profile_not_taken_branch(Register scratch1, Register scratch2); |
| void profile_call(Register scratch1, Register scratch2); |
| void profile_final_call(Register scratch1, Register scratch2); |
| void profile_virtual_call(Register Rreceiver, Register Rscratch1, Register Rscratch2, bool receiver_can_be_null); |
| void profile_typecheck(Register Rklass, Register Rscratch1, Register Rscratch2); |
| void profile_typecheck_failed(Register Rscratch1, Register Rscratch2); |
| void profile_ret(TosState state, Register return_bci, Register scratch1, Register scratch2); |
| void profile_switch_default(Register scratch1, Register scratch2); |
| void profile_switch_case(Register index, Register scratch1,Register scratch2, Register scratch3); |
| void profile_null_seen(Register Rscratch1, Register Rscratch2); |
| void record_klass_in_profile(Register receiver, Register scratch1, Register scratch2, bool is_virtual_call); |
| void record_klass_in_profile_helper(Register receiver, Register scratch1, Register scratch2, int start_row, Label& done, bool is_virtual_call); |
| |
| // Argument and return type profiling. |
| void profile_obj_type(Register obj, Register mdo_addr_base, RegisterOrConstant mdo_addr_offs, Register tmp, Register tmp2); |
| void profile_arguments_type(Register callee, Register tmp1, Register tmp2, bool is_virtual); |
| void profile_return_type(Register ret, Register tmp1, Register tmp2); |
| void profile_parameters_type(Register tmp1, Register tmp2, Register tmp3, Register tmp4); |
| |
| // Debugging |
| void verify_oop(Register reg, TosState state = atos); // only if +VerifyOops && state == atos |
| void verify_oop_or_return_address(Register reg, Register rtmp); // for astore |
| void verify_FPU(int stack_depth, TosState state = ftos); |
| |
| typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode; |
| |
| // Support for jvmdi/jvmpi. |
| void notify_method_entry(); |
| void notify_method_exit(bool is_native_method, TosState state, |
| NotifyMethodExitMode mode, bool check_exceptions); |
| }; |
| |
| #endif // CPU_PPC_VM_INTERP_MASM_PPC_64_HPP |