--- old/src/hotspot/cpu/sparc/interp_masm_sparc.hpp 2020-05-01 02:29:02.795636392 -0700 +++ /dev/null 2020-03-09 18:57:19.455001459 -0700 @@ -1,336 +0,0 @@ -/* - * Copyright (c) 1997, 2019, 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_INTERP_MASM_SPARC_HPP -#define CPU_SPARC_INTERP_MASM_SPARC_HPP - -#include "asm/macroAssembler.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 - -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 - ); - - // base routine for all dispatches - void dispatch_base(TosState state, address* table); - - public: - InterpreterMacroAssembler(CodeBuffer* c) - : MacroAssembler(c) {} - - virtual void check_and_handle_popframe(Register scratch_reg); - virtual void check_and_handle_earlyret(Register scratch_reg); - - 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, bool generate_poll = false); - 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, bool generate_poll = false); - - 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, Register tmp); - - // load cpool->resolved_klass_at(index) - void load_resolved_klass_at_offset(Register Rcpool, Register Roffset, Register Rklass); - - // 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_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) {} // No-op. - - // 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_INTERP_MASM_SPARC_HPP