| /* |
| * Copyright (c) 1997, 2015, Oracle and/or its affiliates. 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_SPARC_VM_INTERP_MASM_SPARC_HPP |
| #define CPU_SPARC_VM_INTERP_MASM_SPARC_HPP |
| |
| #include "asm/macroAssembler.inline.hpp" |
| #include "interpreter/invocationCounter.hpp" |
| |
| // This file specializes the assember with interpreter-specific macros |
| |
| typedef ByteSize (*OffsetFunction)(uint); |
| |
| REGISTER_DECLARATION( Register, Otos_i , O0); // tos for ints, etc |
| REGISTER_DECLARATION( Register, Otos_l , O0); // for longs |
| REGISTER_DECLARATION( Register, Otos_l1, O0); // for 1st part of longs |
| REGISTER_DECLARATION( Register, Otos_l2, O1); // for 2nd part of longs |
| REGISTER_DECLARATION(FloatRegister, Ftos_f , F0); // for floats |
| REGISTER_DECLARATION(FloatRegister, Ftos_d , F0); // for doubles |
| REGISTER_DECLARATION(FloatRegister, Ftos_d1, F0); // for 1st part of double |
| REGISTER_DECLARATION(FloatRegister, Ftos_d2, F1); // for 2nd part of double |
| |
| #ifndef DONT_USE_REGISTER_DEFINES |
| #define Otos_i O0 |
| #define Otos_l O0 |
| #define Otos_l1 O0 |
| #define Otos_l2 O1 |
| #define Ftos_f F0 |
| #define Ftos_d F0 |
| #define Ftos_d1 F0 |
| #define Ftos_d2 F1 |
| #endif // DONT_USE_REGISTER_DEFINES |
| |
| class InterpreterMacroAssembler: public MacroAssembler { |
| protected: |
| // Interpreter specific version of call_VM_base |
| virtual void call_VM_leaf_base( |
| Register java_thread, |
| address entry_point, |
| int number_of_arguments |
| ); |
| |
| virtual void call_VM_base( |
| Register oop_result, |
| Register java_thread, |
| Register last_java_sp, |
| address entry_point, |
| int number_of_arguments, |
| bool check_exception=true |
| ); |
| |
| 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); |
| |
| public: |
| InterpreterMacroAssembler(CodeBuffer* c) |
| : MacroAssembler(c) {} |
| |
| void jump_to_entry(address entry); |
| |
| virtual void load_earlyret_value(TosState state); |
| |
| static const Address l_tmp ; |
| static const Address d_tmp ; |
| |
| // helper routine for frame allocation/deallocation |
| // compute the delta by which the caller's SP has to |
| // be adjusted to accomodate for the non-argument |
| // locals |
| void compute_extra_locals_size_in_bytes(Register args_size, Register locals_size, Register delta); |
| |
| // dispatch routines |
| void dispatch_prolog(TosState state, int step = 0); |
| void dispatch_epilog(TosState state, int step = 0); |
| void dispatch_only(TosState state); |
| void dispatch_normal(TosState state); |
| void dispatch_next(TosState state, int step = 0); |
| void dispatch_next_noverify_oop(TosState state, int step = 0); |
| void dispatch_via (TosState state, address* table); |
| |
| |
| void narrow(Register result); |
| |
| // 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); |
| |
| protected: |
| void dispatch_Lbyte_code(TosState state, address* table, int bcp_incr = 0, bool verify = true); |
| |
| public: |
| // Super call_VM calls - correspond to MacroAssembler::call_VM(_leaf) calls |
| 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); |
| |
| void super_call_VM_leaf(Register thread_cache, address entry_point, Register arg_1, Register arg_2); |
| |
| // 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 ); |
| |
| // helpers for tossing exceptions |
| void throw_if_not_1_icc( Condition ok_condition, Label& ok ); |
| void throw_if_not_1_xcc( Condition ok_condition, Label& ok ); |
| void throw_if_not_1_x ( Condition ok_condition, Label& ok ); // chooses icc or xcc based on _LP64 |
| |
| void throw_if_not_2( address throw_entry_point, Register Rscratch, Label& ok); |
| |
| void throw_if_not_icc( Condition ok_condition, address throw_entry_point, Register Rscratch ); |
| void throw_if_not_xcc( Condition ok_condition, address throw_entry_point, Register Rscratch ); |
| void throw_if_not_x ( Condition ok_condition, address throw_entry_point, Register Rscratch ); |
| |
| // helpers for expression stack |
| |
| void pop_i( Register r = Otos_i); |
| void pop_ptr( Register r = Otos_i, Register scratch = O4); |
| void pop_l( Register r = Otos_l1); |
| // G4_scratch and Lscratch are used at call sites!! |
| void pop_f(FloatRegister f = Ftos_f, Register scratch = G1_scratch); |
| void pop_d(FloatRegister f = Ftos_d1, Register scratch = G1_scratch); |
| |
| void push_i( Register r = Otos_i); |
| void push_ptr( Register r = Otos_i); |
| void push_l( Register r = Otos_l1); |
| void push_f(FloatRegister f = Ftos_f); |
| void push_d(FloatRegister f = Ftos_d1); |
| |
| |
| void pop (TosState state); // transition vtos -> state |
| void push(TosState state); // transition state -> vtos |
| void empty_expression_stack(); // resets both Lesp and SP |
| |
| #ifdef ASSERT |
| void verify_sp(Register Rsp, Register Rtemp); |
| void verify_esp(Register Resp); // verify that Lesp points to a word in the temp stack |
| #endif // ASSERT |
| |
| public: |
| void if_cmp(Condition cc, bool ptr_compare); |
| |
| // 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 Rtmp, |
| Register Rdst, |
| signedOrNot is_signed, |
| setCCOrNot should_set_CC = dont_set_CC ); |
| |
| void get_4_byte_integer_at_bcp( int bcp_offset, |
| Register Rtmp, |
| Register Rdst, |
| setCCOrNot should_set_CC = dont_set_CC ); |
| |
| // Note: "get_cache_and_index" really means "get the index, use it to get the cache entry, and throw away the index". |
| void get_cache_and_index_at_bcp(Register cache, Register tmp, int bcp_offset, size_t index_size = sizeof(u2)); |
| void get_cache_and_index_and_bytecode_at_bcp(Register cache, Register temp, Register bytecode, int byte_no, int bcp_offset, size_t index_size = sizeof(u2)); |
| void get_cache_entry_pointer_at_bcp(Register cache, Register tmp, int bcp_offset, size_t index_size = sizeof(u2)); |
| // Note: This one does not fetch the cache. The first argument is a temp which may be killed. |
| void get_cache_index_at_bcp(Register temp, Register index, int bcp_offset, size_t index_size = sizeof(u2)); |
| |
| // load cpool->resolved_references(index); |
| void load_resolved_reference_at_index(Register result, Register index); |
| |
| // 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); |
| |
| // Load compiled (i2c) or interpreter entry and call from interpreted |
| void call_from_interpreter(Register target, Register scratch, Register Rret); |
| |
| // -------------------------------------------------- |
| |
| void unlock_if_synchronized_method(TosState state, bool throw_monitor_exception = true, bool install_monitor_exception = true); |
| |
| void add_monitor_to_stack( bool stack_is_empty, |
| Register Rtemp, |
| Register Rtemp2 ); |
| |
| // Load/store aligned in _LP64 but unaligned otherwise |
| // These only apply to the Interpreter expression stack and locals! |
| void load_unaligned_double(Register r1, int offset, FloatRegister d); |
| void store_unaligned_double(FloatRegister d, Register r1, int offset ); |
| |
| // Load/store aligned in _LP64 but unaligned otherwise |
| void load_unaligned_long(Register r1, int offset, Register d); |
| void store_unaligned_long(Register d, Register r1, int offset ); |
| |
| void access_local_int( Register index, Register dst ); |
| void access_local_ptr( Register index, Register dst ); |
| void access_local_returnAddress( Register index, Register dst ); |
| void access_local_long( Register index, Register dst ); |
| void access_local_float( Register index, FloatRegister dst ); |
| void access_local_double( Register index, FloatRegister dst ); |
| #ifdef ASSERT |
| void check_for_regarea_stomp( Register Rindex, int offset, Register Rlimit, Register Rscratch, Register Rscratch1); |
| #endif // ASSERT |
| void store_local_int( Register index, Register src ); |
| void store_local_ptr( Register index, Register src ); |
| void store_local_ptr( int n, Register src ); |
| void store_local_long( Register index, Register src ); |
| void store_local_float( Register index, FloatRegister src ); |
| void store_local_double( Register index, FloatRegister src ); |
| |
| // Helpers for swap and dup |
| void load_ptr(int n, Register val); |
| void store_ptr(int n, Register val); |
| |
| // Helper for getting receiver in register. |
| void load_receiver(Register param_count, Register recv); |
| |
| static int top_most_monitor_byte_offset(); // offset in bytes to top of monitor block |
| Address top_most_monitor(); |
| void compute_stack_base( Register Rdest ); |
| |
| void get_method_counters(Register method, Register Rcounters, Label& skip); |
| void increment_invocation_counter( Register Rcounters, Register Rtmp, Register Rtmp2 ); |
| void increment_backedge_counter( Register Rcounters, Register Rtmp, Register Rtmp2 ); |
| void test_backedge_count_for_osr(Register backedge_count, Register method_counters, Register branch_bcp, Register Rtmp ); |
| |
| // Object locking |
| void lock_object (Register lock_reg, Register obj_reg); |
| void unlock_object(Register lock_reg); |
| |
| // Interpreter profiling operations |
| void set_method_data_pointer(); |
| 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 Rtmp, Label &profile_continue); |
| |
| void set_mdp_data_at(int constant, Register value); |
| void increment_mdp_data_at(Address counter, Register bumped_count, |
| bool decrement = false); |
| void increment_mdp_data_at(int constant, Register bumped_count, |
| bool decrement = false); |
| void increment_mdp_data_at(Register reg, int constant, |
| Register bumped_count, Register scratch2, |
| bool decrement = false); |
| void increment_mask_and_jump(Address counter_addr, |
| int increment, Address mask_addr, |
| Register scratch1, Register scratch2, |
| Condition cond, Label *where); |
| void set_mdp_flag_at(int flag_constant, Register scratch); |
| void test_mdp_data_at(int offset, Register value, Label& not_equal_continue, |
| Register scratch); |
| |
| void record_klass_in_profile(Register receiver, Register scratch, bool is_virtual_call); |
| void record_klass_in_profile_helper(Register receiver, Register scratch, |
| Label& done, bool is_virtual_call); |
| void record_item_in_profile_helper(Register item, |
| Register scratch, int start_row, Label& done, int total_rows, |
| OffsetFunction item_offset_fn, OffsetFunction item_count_offset_fn, |
| int non_profiled_offset); |
| |
| 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 scratch); |
| void profile_call(Register scratch); |
| void profile_final_call(Register scratch); |
| void profile_virtual_call(Register receiver, Register scratch, bool receiver_can_be_null = false); |
| void profile_called_method(Register method, Register scratch) NOT_JVMCI_RETURN; |
| void profile_ret(TosState state, Register return_bci, Register scratch); |
| void profile_null_seen(Register scratch); |
| void profile_typecheck(Register klass, Register scratch); |
| void profile_typecheck_failed(Register scratch); |
| void profile_switch_default(Register scratch); |
| void profile_switch_case(Register index, |
| Register scratch1, |
| Register scratch2, |
| Register scratch3); |
| |
| void profile_obj_type(Register obj, const Address& mdo_addr, Register tmp); |
| 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 interp_verify_oop(Register reg, TosState state, const char * file, int line); // 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); // only if +VerifyFPU && (state == ftos || state == dtos) |
| |
| // support for JVMTI/Dtrace |
| typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode; |
| void notify_method_entry(); |
| void notify_method_exit( |
| bool save_result, TosState state, NotifyMethodExitMode mode); |
| |
| void save_return_value(TosState state, bool is_native_call); |
| void restore_return_value(TosState state, bool is_native_call); |
| |
| }; |
| |
| #endif // CPU_SPARC_VM_INTERP_MASM_SPARC_HPP |