diff -r 4ebc2e2fb97c -r 71c04702a3d5 src/hotspot/cpu/sparc/interp_masm_sparc.hpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/hotspot/cpu/sparc/interp_masm_sparc.hpp Tue Sep 12 19:03:39 2017 +0200 @@ -0,0 +1,348 @@ +/* + * Copyright (c) 1997, 2017, 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 + ); + + // 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); + 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); + + // 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_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