| /* |
| * Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved. |
| * Copyright (c) 2014, 2015, Red Hat Inc. 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_AARCH64_VM_INTERP_MASM_AARCH64_64_HPP |
| #define CPU_AARCH64_VM_INTERP_MASM_AARCH64_64_HPP |
| |
| #include "asm/macroAssembler.hpp" |
| #include "interpreter/invocationCounter.hpp" |
| #include "runtime/frame.hpp" |
| |
| // This file specializes the assember with interpreter-specific macros |
| |
| typedef ByteSize (*OffsetFunction)(uint); |
| |
| class InterpreterMacroAssembler: public MacroAssembler { |
| protected: |
| |
| protected: |
| // Interpreter specific version of call_VM_base |
| using MacroAssembler::call_VM_leaf_base; |
| |
| virtual void call_VM_leaf_base(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_exceptions); |
| |
| // base routine for all dispatches |
| void dispatch_base(TosState state, address* table, |
| bool verifyoop = true, bool generate_poll = false); |
| |
| public: |
| InterpreterMacroAssembler(CodeBuffer* code) : MacroAssembler(code) {} |
| |
| void load_earlyret_value(TosState state); |
| |
| void jump_to_entry(address entry); |
| |
| virtual void check_and_handle_popframe(Register java_thread); |
| virtual void check_and_handle_earlyret(Register java_thread); |
| |
| // Interpreter-specific registers |
| void save_bcp() { |
| str(rbcp, Address(rfp, frame::interpreter_frame_bcp_offset * wordSize)); |
| } |
| |
| void restore_bcp() { |
| ldr(rbcp, Address(rfp, frame::interpreter_frame_bcp_offset * wordSize)); |
| } |
| |
| void restore_locals() { |
| ldr(rlocals, Address(rfp, frame::interpreter_frame_locals_offset * wordSize)); |
| } |
| |
| void restore_constant_pool_cache() { |
| ldr(rcpool, Address(rfp, frame::interpreter_frame_cache_offset * wordSize)); |
| } |
| |
| void get_dispatch(); |
| |
| // Helpers for runtime call arguments/results |
| |
| // Helpers for runtime call arguments/results |
| void get_method(Register reg) { |
| ldr(reg, Address(rfp, frame::interpreter_frame_method_offset * wordSize)); |
| } |
| |
| void get_const(Register reg) { |
| get_method(reg); |
| ldr(reg, Address(reg, in_bytes(Method::const_offset()))); |
| } |
| |
| void get_constant_pool(Register reg) { |
| get_const(reg); |
| ldr(reg, Address(reg, in_bytes(ConstMethod::constants_offset()))); |
| } |
| |
| void get_constant_pool_cache(Register reg) { |
| get_constant_pool(reg); |
| ldr(reg, Address(reg, ConstantPool::cache_offset_in_bytes())); |
| } |
| |
| void get_cpool_and_tags(Register cpool, Register tags) { |
| get_constant_pool(cpool); |
| ldr(tags, Address(cpool, ConstantPool::tags_offset_in_bytes())); |
| } |
| |
| void get_unsigned_2_byte_index_at_bcp(Register reg, int bcp_offset); |
| void get_cache_and_index_at_bcp(Register cache, Register index, int bcp_offset, size_t index_size = sizeof(u2)); |
| void get_cache_and_index_and_bytecode_at_bcp(Register cache, Register index, 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)); |
| void get_cache_index_at_bcp(Register index, int bcp_offset, size_t index_size = sizeof(u2)); |
| void get_method_counters(Register method, Register mcs, Label& skip); |
| |
| // load cpool->resolved_references(index); |
| void load_resolved_reference_at_index(Register result, Register index, Register tmp = r5); |
| |
| // load cpool->resolved_klass_at(index); |
| void load_resolved_klass_at_offset(Register cpool, Register index, Register klass, Register temp); |
| |
| void pop_ptr(Register r = r0); |
| void pop_i(Register r = r0); |
| void pop_l(Register r = r0); |
| void pop_f(FloatRegister r = v0); |
| void pop_d(FloatRegister r = v0); |
| void push_ptr(Register r = r0); |
| void push_i(Register r = r0); |
| void push_l(Register r = r0); |
| void push_f(FloatRegister r = v0); |
| void push_d(FloatRegister r = v0); |
| |
| void pop(Register r ) { ((MacroAssembler*)this)->pop(r); } |
| |
| void push(Register r ) { ((MacroAssembler*)this)->push(r); } |
| |
| void pop(TosState state); // transition vtos -> state |
| void push(TosState state); // transition state -> vtos |
| |
| void pop(RegSet regs, Register stack) { ((MacroAssembler*)this)->pop(regs, stack); } |
| void push(RegSet regs, Register stack) { ((MacroAssembler*)this)->push(regs, stack); } |
| |
| void empty_expression_stack() { |
| ldr(esp, Address(rfp, frame::interpreter_frame_monitor_block_top_offset * wordSize)); |
| // NULL last_sp until next java call |
| str(zr, Address(rfp, frame::interpreter_frame_last_sp_offset * wordSize)); |
| } |
| |
| // Helpers for swap and dup |
| void load_ptr(int n, Register val); |
| void store_ptr(int n, Register val); |
| |
| // Load float value from 'address'. The value is loaded onto the FPU register v0. |
| void load_float(Address src); |
| void load_double(Address src); |
| |
| // Generate a subtype check: branch to ok_is_subtype if sub_klass is |
| // a subtype of super_klass. |
| void gen_subtype_check( Register sub_klass, Label &ok_is_subtype ); |
| |
| // Dispatching |
| void dispatch_prolog(TosState state, int step = 0); |
| void dispatch_epilog(TosState state, int step = 0); |
| // dispatch via rscratch1 |
| void dispatch_only(TosState state, bool generate_poll = false); |
| // dispatch normal table via rscratch1 (assume rscratch1 is loaded already) |
| void dispatch_only_normal(TosState state); |
| void dispatch_only_noverify(TosState state); |
| // load rscratch1 from [rbcp + step] and dispatch via rscratch1 |
| void dispatch_next(TosState state, int step = 0, bool generate_poll = false); |
| // load rscratch1 from [esi] and dispatch via rscratch1 and table |
| void dispatch_via (TosState state, address* table); |
| |
| // jump to an invoked target |
| void prepare_to_jump_from_interpreted(); |
| void jump_from_interpreted(Register method, Register temp); |
| |
| |
| // Returning from interpreted functions |
| // |
| // Removes the current activation (incl. unlocking of monitors) |
| // and sets up the return address. This code is also used for |
| // exception unwindwing. In that case, we do not want to throw |
| // IllegalMonitorStateExceptions, since that might get us into an |
| // infinite rethrow exception loop. |
| // Additionally this code is used for popFrame and earlyReturn. |
| // In popFrame case we want to skip throwing an exception, |
| // installing an exception, and notifying jvmdi. |
| // In earlyReturn case we only 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, |
| bool notify_jvmdi = true); |
| |
| // FIXME: Give us a valid frame at a null check. |
| virtual void null_check(Register reg, int offset = -1) { |
| // #ifdef ASSERT |
| // save_bcp(); |
| // set_last_Java_frame(esp, rfp, (address) pc()); |
| // #endif |
| MacroAssembler::null_check(reg, offset); |
| // #ifdef ASSERT |
| // reset_last_Java_frame(true); |
| // #endif |
| } |
| |
| // Object locking |
| void lock_object (Register lock_reg); |
| void unlock_object(Register lock_reg); |
| |
| // Interpreter profiling operations |
| void set_method_data_pointer_for_bcp(); |
| void test_method_data_pointer(Register mdp, Label& zero_continue); |
| void verify_method_data_pointer(); |
| |
| void set_mdp_data_at(Register mdp_in, int constant, Register value); |
| void increment_mdp_data_at(Address data, bool decrement = false); |
| void increment_mdp_data_at(Register mdp_in, int constant, |
| bool decrement = false); |
| void increment_mdp_data_at(Register mdp_in, Register reg, int constant, |
| bool decrement = false); |
| void increment_mask_and_jump(Address counter_addr, |
| int increment, Address mask, |
| Register scratch, Register scratch2, |
| bool preloaded, Condition cond, |
| Label* where); |
| void set_mdp_flag_at(Register mdp_in, int flag_constant); |
| void test_mdp_data_at(Register mdp_in, int offset, Register value, |
| Register test_value_out, |
| Label& not_equal_continue); |
| |
| void record_klass_in_profile(Register receiver, Register mdp, |
| Register reg2, bool is_virtual_call); |
| void record_klass_in_profile_helper(Register receiver, Register mdp, |
| Register reg2, int start_row, |
| Label& done, bool is_virtual_call); |
| void record_item_in_profile_helper(Register item, Register mdp, |
| Register reg2, 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(Register mdp_in, int offset_of_offset); |
| void update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp); |
| void update_mdp_by_constant(Register mdp_in, int constant); |
| void update_mdp_for_ret(Register return_bci); |
| |
| // narrow int return value |
| void narrow(Register result); |
| |
| void profile_taken_branch(Register mdp, Register bumped_count); |
| void profile_not_taken_branch(Register mdp); |
| void profile_call(Register mdp); |
| void profile_final_call(Register mdp); |
| void profile_virtual_call(Register receiver, Register mdp, |
| Register scratch2, |
| bool receiver_can_be_null = false); |
| void profile_called_method(Register method, Register mdp, Register reg2) NOT_JVMCI_RETURN; |
| void profile_ret(Register return_bci, Register mdp); |
| void profile_null_seen(Register mdp); |
| void profile_typecheck(Register mdp, Register klass, Register scratch); |
| void profile_typecheck_failed(Register mdp); |
| void profile_switch_default(Register mdp); |
| void profile_switch_case(Register index_in_scratch, Register mdp, |
| Register scratch2); |
| |
| void profile_obj_type(Register obj, const Address& mdo_addr); |
| void profile_arguments_type(Register mdp, Register callee, Register tmp, bool is_virtual); |
| void profile_return_type(Register mdp, Register ret, Register tmp); |
| void profile_parameters_type(Register mdp, Register tmp1, Register tmp2); |
| |
| // Debugging |
| // only if +VerifyOops && state == atos |
| void verify_oop(Register reg, TosState state = atos); |
| // only if +VerifyFPU && (state == ftos || state == dtos) |
| void verify_FPU(int stack_depth, TosState state = ftos); |
| |
| typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode; |
| |
| // support for jvmti/dtrace |
| void notify_method_entry(); |
| void notify_method_exit(TosState state, NotifyMethodExitMode mode); |
| |
| virtual void _call_Unimplemented(address call_site) { |
| save_bcp(); |
| set_last_Java_frame(esp, rfp, (address) pc(), rscratch1); |
| MacroAssembler::_call_Unimplemented(call_site); |
| } |
| }; |
| |
| #endif // CPU_AARCH64_VM_INTERP_MASM_AARCH64_64_HPP |