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Diffstat (limited to 'src/cpu/ppc/vm/interp_masm_ppc_64.hpp')
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diff --git a/src/cpu/ppc/vm/interp_masm_ppc_64.hpp b/src/cpu/ppc/vm/interp_masm_ppc_64.hpp new file mode 100644 index 000000000..9846bb511 --- /dev/null +++ b/src/cpu/ppc/vm/interp_masm_ppc_64.hpp @@ -0,0 +1,301 @@ +/* + * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved. + * Copyright 2012, 2014 SAP AG. 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_PPC_VM_INTERP_MASM_PPC_64_HPP +#define CPU_PPC_VM_INTERP_MASM_PPC_64_HPP + +#include "assembler_ppc.inline.hpp" +#include "interpreter/invocationCounter.hpp" + +// This file specializes the assembler with interpreter-specific macros. + + +class InterpreterMacroAssembler: public MacroAssembler { + + public: + InterpreterMacroAssembler(CodeBuffer* code) : MacroAssembler(code) {} + + void null_check_throw(Register a, int offset, Register temp_reg); + + void branch_to_entry(address entry, Register Rscratch); + + // Handy address generation macros. +#define thread_(field_name) in_bytes(JavaThread::field_name ## _offset()), R16_thread +#define method_(field_name) in_bytes(Method::field_name ## _offset()), R19_method + +#ifdef CC_INTERP +#define state_(field_name) in_bytes(byte_offset_of(BytecodeInterpreter, field_name)), R14_state +#define prev_state_(field_name) in_bytes(byte_offset_of(BytecodeInterpreter, field_name)), R15_prev_state + void pop (TosState state) {}; // Not needed. + void push(TosState state) {}; // Not needed. +#endif + +#ifndef CC_INTERP + 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); + + void load_earlyret_value(TosState state, Register Rscratch1); + + static const Address l_tmp; + static const Address d_tmp; + + // dispatch routines + void dispatch_next(TosState state, int step = 0); + void dispatch_via (TosState state, address* table); + void load_dispatch_table(Register dst, address* table); + void dispatch_Lbyte_code(TosState state, Register bytecode, address* table, bool verify = false); + + // Called by shared interpreter generator. + void dispatch_prolog(TosState state, int step = 0); + void dispatch_epilog(TosState state, int step = 0); + + // Super call_VM calls - correspond to MacroAssembler::call_VM(_leaf) calls. + void super_call_VM_leaf(Register thread_cache, address entry_point, Register arg_1); + 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); + + // 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); + + // Load object from cpool->resolved_references(index). + void load_resolved_reference_at_index(Register result, Register index); + + void generate_stack_overflow_check_with_compare_and_throw(Register Rmem_frame_size, Register Rscratch1); + void load_receiver(Register Rparam_count, Register Rrecv_dst); + + // helpers for expression stack + void pop_i( Register r = R17_tos); + void pop_ptr( Register r = R17_tos); + void pop_l( Register r = R17_tos); + void pop_f(FloatRegister f = F15_ftos); + void pop_d(FloatRegister f = F15_ftos ); + + void push_i( Register r = R17_tos); + void push_ptr( Register r = R17_tos); + void push_l( Register r = R17_tos); + void push_f(FloatRegister f = F15_ftos ); + void push_d(FloatRegister f = F15_ftos); + + void push_2ptrs(Register first, Register second); + + void push_l_pop_d(Register l = R17_tos, FloatRegister d = F15_ftos); + void push_d_pop_l(FloatRegister d = F15_ftos, Register l = R17_tos); + + void pop (TosState state); // transition vtos -> state + void push(TosState state); // transition state -> vtos + void empty_expression_stack(); // Resets both Lesp and SP. + + public: + // 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 Rdst, + signedOrNot is_signed); + + void get_4_byte_integer_at_bcp(int bcp_offset, + Register Rdst, + signedOrNot is_signed = Unsigned); + + void get_cache_index_at_bcp(Register Rdst, int bcp_offset, size_t index_size); + + void get_cache_and_index_at_bcp(Register cache, int bcp_offset, size_t index_size = sizeof(u2)); + + + // 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_iagetfield(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); + + // Java Call Helpers + void call_from_interpreter(Register Rtarget_method, Register Rret_addr, Register Rscratch1, Register Rscratch2); + + // -------------------------------------------------- + + void unlock_if_synchronized_method(TosState state, bool throw_monitor_exception = true, + bool install_monitor_exception = true); + + // 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); + void merge_frames(Register Rtop_frame_sp, Register return_pc, Register Rscratch1, Register Rscratch2); // merge top frames + + void add_monitor_to_stack(bool stack_is_empty, Register Rtemp1, Register Rtemp2); + + // Local variable access helpers + void load_local_int(Register Rdst_value, Register Rdst_address, Register Rindex); + void load_local_long(Register Rdst_value, Register Rdst_address, Register Rindex); + void load_local_ptr(Register Rdst_value, Register Rdst_address, Register Rindex); + void load_local_float(FloatRegister Rdst_value, Register Rdst_address, Register Rindex); + void load_local_double(FloatRegister Rdst_value, Register Rdst_address, Register Rindex); + void store_local_int(Register Rvalue, Register Rindex); + void store_local_long(Register Rvalue, Register Rindex); + void store_local_ptr(Register Rvalue, Register Rindex); + void store_local_float(FloatRegister Rvalue, Register Rindex); + void store_local_double(FloatRegister Rvalue, Register Rindex); + + // Call VM for std frames + // Special call VM versions that check for exceptions and forward exception + // via short cut (not via expensive forward exception stub). + void check_and_forward_exception(Register Rscratch1, Register Rscratch2); + void call_VM(Register oop_result, address entry_point, bool check_exceptions = true); + void call_VM(Register oop_result, address entry_point, Register arg_1, bool check_exceptions = true); + void call_VM(Register oop_result, address entry_point, Register arg_1, Register arg_2, bool check_exceptions = true); + void call_VM(Register oop_result, address entry_point, Register arg_1, Register arg_2, Register arg_3, bool check_exceptions = true); + // Should not be used: + void call_VM(Register oop_result, Register last_java_sp, address entry_point, bool check_exceptions = true) {ShouldNotReachHere();} + void call_VM(Register oop_result, Register last_java_sp, address entry_point, Register arg_1, bool check_exceptions = true) {ShouldNotReachHere();} + void call_VM(Register oop_result, Register last_java_sp, address entry_point, Register arg_1, Register arg_2, bool check_exceptions = true) {ShouldNotReachHere();} + void call_VM(Register oop_result, Register last_java_sp, address entry_point, Register arg_1, Register arg_2, Register arg_3, bool check_exceptions = true) {ShouldNotReachHere();} + + Address first_local_in_stack(); + + enum LoadOrStore { load, store }; + void static_iload_or_store(int which_local, LoadOrStore direction, Register Rtmp); + void static_aload_or_store(int which_local, LoadOrStore direction, Register Rtmp); + void static_dload_or_store(int which_local, LoadOrStore direction); + + void save_interpreter_state(Register scratch); + void restore_interpreter_state(Register scratch, bool bcp_and_mdx_only = false); + + void increment_backedge_counter(const Register Rcounters, Register Rtmp, Register Rtmp2, Register Rscratch); + void test_backedge_count_for_osr(Register backedge_count, Register branch_bcp, Register Rtmp); + + void record_static_call_in_profile(Register Rentry, Register Rtmp); + void record_receiver_call_in_profile(Register Rklass, Register Rentry, Register Rtmp); +#endif // !CC_INTERP + + void get_method_counters(Register method, Register Rcounters, Label& skip); + void increment_invocation_counter(Register iv_be_count, Register Rtmp1, Register Rtmp2_r0); + + // Object locking + void lock_object (Register lock_reg, Register obj_reg); + void unlock_object(Register lock_reg, bool check_for_exceptions = true); + +#ifndef CC_INTERP + + // Interpreter profiling operations + 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 Rscratch, Label &profile_continue); + + void set_mdp_data_at(int constant, Register value); + + void increment_mdp_data_at(int constant, Register counter_addr, Register Rbumped_count, bool decrement = false); + + void increment_mdp_data_at(Register counter_addr, Register Rbumped_count, bool decrement = false); + void increment_mdp_data_at(Register reg, int constant, Register scratch, Register Rbumped_count, bool decrement = false); + + void set_mdp_flag_at(int flag_constant, Register scratch); + void test_mdp_data_at(int offset, Register value, Label& not_equal_continue, Register test_out); + + 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 scratch1, Register scratch2); + void profile_call(Register scratch1, Register scratch2); + void profile_final_call(Register scratch1, Register scratch2); + void profile_virtual_call(Register Rreceiver, Register Rscratch1, Register Rscratch2, bool receiver_can_be_null); + void profile_typecheck(Register Rklass, Register Rscratch1, Register Rscratch2); + void profile_typecheck_failed(Register Rscratch1, Register Rscratch2); + void profile_ret(TosState state, Register return_bci, Register scratch1, Register scratch2); + void profile_switch_default(Register scratch1, Register scratch2); + void profile_switch_case(Register index, Register scratch1,Register scratch2, Register scratch3); + void profile_null_seen(Register Rscratch1, Register Rscratch2); + void record_klass_in_profile(Register receiver, Register scratch1, Register scratch2, bool is_virtual_call); + void record_klass_in_profile_helper(Register receiver, Register scratch1, Register scratch2, int start_row, Label& done, bool is_virtual_call); + +#endif // !CC_INTERP + + // Debugging + void verify_oop(Register reg, TosState state = atos); // only if +VerifyOops && state == atos +#ifndef CC_INTERP + void verify_oop_or_return_address(Register reg, Register rtmp); // for astore + void verify_FPU(int stack_depth, TosState state = ftos); +#endif // !CC_INTERP + + typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode; + + // Support for jvmdi/jvmpi. + void notify_method_entry(); + void notify_method_exit(bool is_native_method, TosState state, + NotifyMethodExitMode mode, bool check_exceptions); + +#ifdef CC_INTERP + // Convert the current TOP_IJAVA_FRAME into a PARENT_IJAVA_FRAME + // (using parent_frame_resize) and push a new interpreter + // TOP_IJAVA_FRAME (using frame_size). + void push_interpreter_frame(Register top_frame_size, Register parent_frame_resize, + Register tmp1, Register tmp2, Register tmp3, Register tmp4, Register pc=noreg); + + // Pop the topmost TOP_IJAVA_FRAME and convert the previous + // PARENT_IJAVA_FRAME back into a TOP_IJAVA_FRAME. + void pop_interpreter_frame(Register tmp1, Register tmp2, Register tmp3, Register tmp4); + + // Turn state's interpreter frame into the current TOP_IJAVA_FRAME. + void pop_interpreter_frame_to_state(Register state, Register tmp1, Register tmp2, Register tmp3); + + // Set SP to initial caller's sp, but before fix the back chain. + void resize_frame_to_initial_caller(Register tmp1, Register tmp2); + + // Pop the current interpreter state (without popping the + // correspoding frame) and restore R14_state and R15_prev_state + // accordingly. Use prev_state_may_be_0 to indicate whether + // prev_state may be 0 in order to generate an extra check before + // retrieving prev_state_(_prev_link). + void pop_interpreter_state(bool prev_state_may_be_0); + + void restore_prev_state(); +#endif +}; + +#endif // CPU_PPC_VM_INTERP_MASM_PPC_64_HPP |