duke@435: /* jiangli@4936: * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. duke@435: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. duke@435: * duke@435: * This code is free software; you can redistribute it and/or modify it duke@435: * under the terms of the GNU General Public License version 2 only, as duke@435: * published by the Free Software Foundation. duke@435: * duke@435: * This code is distributed in the hope that it will be useful, but WITHOUT duke@435: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or duke@435: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License duke@435: * version 2 for more details (a copy is included in the LICENSE file that duke@435: * accompanied this code). duke@435: * duke@435: * You should have received a copy of the GNU General Public License version duke@435: * 2 along with this work; if not, write to the Free Software Foundation, duke@435: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. duke@435: * trims@1907: * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA trims@1907: * or visit www.oracle.com if you need additional information or have any trims@1907: * questions. duke@435: * duke@435: */ duke@435: duke@435: #ifndef CC_INTERP duke@435: protected: duke@435: // Interpreter specific version of call_VM_base duke@435: virtual void call_VM_leaf_base( duke@435: address entry_point, duke@435: int number_of_arguments duke@435: ); duke@435: duke@435: virtual void call_VM_base( duke@435: Register oop_result, duke@435: Register java_thread, duke@435: Register last_java_sp, duke@435: address entry_point, duke@435: int number_of_arguments, duke@435: bool check_exceptions duke@435: ); duke@435: duke@435: virtual void check_and_handle_popframe(Register java_thread); duke@435: virtual void check_and_handle_earlyret(Register java_thread); duke@435: duke@435: // base routine for all dispatches duke@435: void dispatch_base(TosState state, address* table, bool verifyoop = true); duke@435: #endif /* CC_INTERP */ duke@435: duke@435: public: roland@5987: InterpreterMacroAssembler(CodeBuffer* code) : MacroAssembler(code), _locals_register(rdi), _bcp_register(rsi) {} duke@435: duke@435: void load_earlyret_value(TosState state); duke@435: duke@435: // Interpreter-specific registers duke@435: #ifdef CC_INTERP duke@435: void save_bcp() { /* not needed in c++ interpreter and harmless */ } duke@435: void restore_bcp() { /* not needed in c++ interpreter and harmless */ } duke@435: duke@435: // Helpers for runtime call arguments/results duke@435: void get_method(Register reg); duke@435: duke@435: #else duke@435: never@739: void save_bcp() { movptr(Address(rbp, frame::interpreter_frame_bcx_offset * wordSize), rsi); } never@739: void restore_bcp() { movptr(rsi, Address(rbp, frame::interpreter_frame_bcx_offset * wordSize)); } never@739: void restore_locals() { movptr(rdi, Address(rbp, frame::interpreter_frame_locals_offset * wordSize)); } duke@435: duke@435: // Helpers for runtime call arguments/results never@739: void get_method(Register reg) { movptr(reg, Address(rbp, frame::interpreter_frame_method_offset * wordSize)); } coleenp@4037: void get_const(Register reg) { get_method(reg); movptr(reg, Address(reg, Method::const_offset())); } coleenp@4037: void get_constant_pool(Register reg) { get_const(reg); movptr(reg, Address(reg, ConstMethod::constants_offset())); } coleenp@4037: void get_constant_pool_cache(Register reg) { get_constant_pool(reg); movptr(reg, Address(reg, ConstantPool::cache_offset_in_bytes())); } coleenp@4037: void get_cpool_and_tags(Register cpool, Register tags) { get_constant_pool(cpool); movptr(tags, Address(cpool, ConstantPool::tags_offset_in_bytes())); duke@435: } duke@435: void get_unsigned_2_byte_index_at_bcp(Register reg, int bcp_offset); jrose@1920: void get_cache_and_index_at_bcp(Register cache, Register index, int bcp_offset, size_t index_size = sizeof(u2)); twisti@3050: 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)); jrose@1920: void get_cache_entry_pointer_at_bcp(Register cache, Register tmp, int bcp_offset, size_t index_size = sizeof(u2)); jrose@1920: void get_cache_index_at_bcp(Register index, int bcp_offset, size_t index_size = sizeof(u2)); jiangli@4936: void get_method_counters(Register method, Register mcs, Label& skip); duke@435: coleenp@4037: // load cpool->resolved_references(index); coleenp@4037: void load_resolved_reference_at_index(Register result, Register index); coleenp@4037: duke@435: // Expression stack duke@435: void f2ieee(); // truncate ftos to 32bits duke@435: void d2ieee(); // truncate dtos to 64bits duke@435: duke@435: void pop_ptr(Register r = rax); duke@435: void pop_i(Register r = rax); duke@435: void pop_l(Register lo = rax, Register hi = rdx); duke@435: void pop_f(); duke@435: void pop_d(); duke@435: duke@435: void push_ptr(Register r = rax); duke@435: void push_i(Register r = rax); duke@435: void push_l(Register lo = rax, Register hi = rdx); duke@435: void push_d(Register r = rax); duke@435: void push_f(); duke@435: duke@435: void pop(TosState state); // transition vtos -> state duke@435: void push(TosState state); // transition state -> vtos duke@435: never@739: void pop(Register r ) { ((MacroAssembler*)this)->pop(r); } never@739: never@739: void push(Register r ) { ((MacroAssembler*)this)->push(r); } never@739: void push(int32_t imm ) { ((MacroAssembler*)this)->push(imm); } never@739: never@739: // These are dummies to prevent surprise implicit conversions to Register never@739: void pop(void* v ); // Add unimplemented ambiguous method never@739: void push(void* v ); // Add unimplemented ambiguous method never@739: twisti@1861: void empty_expression_stack() { twisti@1861: movptr(rsp, Address(rbp, frame::interpreter_frame_monitor_block_top_offset * wordSize)); twisti@1861: // NULL last_sp until next java call twisti@1861: movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), NULL_WORD); duke@435: } duke@435: twisti@1861: // Helpers for swap and dup twisti@1861: void load_ptr(int n, Register val); twisti@1861: void store_ptr(int n, Register val); duke@435: duke@435: // Generate a subtype check: branch to ok_is_subtype if sub_klass is duke@435: // a subtype of super_klass. EAX holds the super_klass. Blows ECX duke@435: // and EDI. Register sub_klass cannot be any of the above. duke@435: void gen_subtype_check( Register sub_klass, Label &ok_is_subtype ); duke@435: duke@435: // Dispatching duke@435: void dispatch_prolog(TosState state, int step = 0); duke@435: void dispatch_epilog(TosState state, int step = 0); duke@435: void dispatch_only(TosState state); // dispatch via rbx, (assume rbx, is loaded already) duke@435: void dispatch_only_normal(TosState state); // dispatch normal table via rbx, (assume rbx, is loaded already) duke@435: void dispatch_only_noverify(TosState state); duke@435: void dispatch_next(TosState state, int step = 0); // load rbx, from [esi + step] and dispatch via rbx, duke@435: void dispatch_via (TosState state, address* table); // load rbx, from [esi] and dispatch via rbx, and table duke@435: duke@435: duke@435: // jump to an invoked target jrose@1145: void prepare_to_jump_from_interpreted(); duke@435: void jump_from_interpreted(Register method, Register temp); duke@435: duke@435: // Returning from interpreted functions duke@435: // duke@435: // Removes the current activation (incl. unlocking of monitors) duke@435: // and sets up the return address. This code is also used for duke@435: // exception unwindwing. In that case, we do not want to throw duke@435: // IllegalMonitorStateExceptions, since that might get us into an duke@435: // infinite rethrow exception loop. duke@435: // Additionally this code is used for popFrame and earlyReturn. duke@435: // In popFrame case we want to skip throwing an exception, duke@435: // installing an exception, and notifying jvmdi. duke@435: // In earlyReturn case we only want to skip throwing an exception duke@435: // and installing an exception. duke@435: void remove_activation(TosState state, Register ret_addr, duke@435: bool throw_monitor_exception = true, duke@435: bool install_monitor_exception = true, duke@435: bool notify_jvmdi = true); duke@435: #endif /* !CC_INTERP */ duke@435: duke@435: // Debugging duke@435: void verify_oop(Register reg, TosState state = atos); // only if +VerifyOops && state == atos duke@435: #ifndef CC_INTERP duke@435: void verify_FPU(int stack_depth, TosState state = ftos); // only if +VerifyFPU && (state == ftos || state == dtos) duke@435: duke@435: #endif /* !CC_INTERP */ duke@435: duke@435: // Object locking duke@435: void lock_object (Register lock_reg); duke@435: void unlock_object(Register lock_reg); duke@435: duke@435: #ifndef CC_INTERP duke@435: duke@435: // Interpreter profiling operations duke@435: void set_method_data_pointer_for_bcp(); duke@435: void test_method_data_pointer(Register mdp, Label& zero_continue); duke@435: void verify_method_data_pointer(); duke@435: duke@435: void set_mdp_data_at(Register mdp_in, int constant, Register value); duke@435: void increment_mdp_data_at(Address data, bool decrement = false); duke@435: void increment_mdp_data_at(Register mdp_in, int constant, duke@435: bool decrement = false); duke@435: void increment_mdp_data_at(Register mdp_in, Register reg, int constant, duke@435: bool decrement = false); iveresov@2138: void increment_mask_and_jump(Address counter_addr, iveresov@2138: int increment, int mask, iveresov@2138: Register scratch, bool preloaded, iveresov@2138: Condition cond, Label* where); duke@435: void set_mdp_flag_at(Register mdp_in, int flag_constant); duke@435: void test_mdp_data_at(Register mdp_in, int offset, Register value, duke@435: Register test_value_out, duke@435: Label& not_equal_continue); duke@435: duke@435: void record_klass_in_profile(Register receiver, Register mdp, kvn@1641: Register reg2, bool is_virtual_call); duke@435: void record_klass_in_profile_helper(Register receiver, Register mdp, kvn@1641: Register reg2, int start_row, kvn@1641: Label& done, bool is_virtual_call); duke@435: duke@435: void update_mdp_by_offset(Register mdp_in, int offset_of_offset); duke@435: void update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp); duke@435: void update_mdp_by_constant(Register mdp_in, int constant); duke@435: void update_mdp_for_ret(Register return_bci); duke@435: duke@435: void profile_taken_branch(Register mdp, Register bumped_count); duke@435: void profile_not_taken_branch(Register mdp); duke@435: void profile_call(Register mdp); duke@435: void profile_final_call(Register mdp); jrose@1161: void profile_virtual_call(Register receiver, Register mdp, Register scratch2, jrose@1161: bool receiver_can_be_null = false); duke@435: void profile_ret(Register return_bci, Register mdp); duke@435: void profile_null_seen(Register mdp); duke@435: void profile_typecheck(Register mdp, Register klass, Register scratch); duke@435: void profile_typecheck_failed(Register mdp); duke@435: void profile_switch_default(Register mdp); duke@435: void profile_switch_case(Register index_in_scratch, Register mdp, Register scratch2); duke@435: duke@435: #endif /* !CC_INTERP */ duke@435: duke@435: typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode; duke@435: duke@435: // support for jvmti duke@435: void notify_method_entry(); duke@435: void notify_method_exit(TosState state, NotifyMethodExitMode mode);