Mercurial > hg > truffle
annotate src/cpu/x86/vm/interp_masm_x86_64.hpp @ 9760:c76b43ed5089
Added infrastructure for recording invoked methods in the profiling information.
| author | Christian Haeubl <haeubl@ssw.jku.at> |
|---|---|
| date | Fri, 17 May 2013 15:38:22 +0200 |
| parents | cd3d6a6b95d9 |
| children | 836a62f43af9 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #ifndef CPU_X86_VM_INTERP_MASM_X86_64_HPP |
| 26 #define CPU_X86_VM_INTERP_MASM_X86_64_HPP | |
| 27 | |
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28 #include "asm/macroAssembler.hpp" |
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29 #include "asm/macroAssembler.inline.hpp" |
| 1972 | 30 #include "interpreter/invocationCounter.hpp" |
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31 #include "runtime/frame.hpp" |
| 1972 | 32 |
| 0 | 33 // This file specializes the assember with interpreter-specific macros |
| 34 | |
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35 typedef ByteSize (*OffsetFunction)(uint); |
| 0 | 36 |
| 304 | 37 class InterpreterMacroAssembler: public MacroAssembler { |
| 38 #ifndef CC_INTERP | |
| 0 | 39 protected: |
| 40 // Interpreter specific version of call_VM_base | |
| 41 virtual void call_VM_leaf_base(address entry_point, | |
| 42 int number_of_arguments); | |
| 43 | |
| 44 virtual void call_VM_base(Register oop_result, | |
| 45 Register java_thread, | |
| 46 Register last_java_sp, | |
| 47 address entry_point, | |
| 48 int number_of_arguments, | |
| 49 bool check_exceptions); | |
| 50 | |
| 51 virtual void check_and_handle_popframe(Register java_thread); | |
| 52 virtual void check_and_handle_earlyret(Register java_thread); | |
| 53 | |
| 54 // base routine for all dispatches | |
| 55 void dispatch_base(TosState state, address* table, bool verifyoop = true); | |
| 304 | 56 #endif // CC_INTERP |
| 0 | 57 |
| 58 public: | |
| 304 | 59 InterpreterMacroAssembler(CodeBuffer* code) : MacroAssembler(code) {} |
| 0 | 60 |
| 61 void load_earlyret_value(TosState state); | |
| 62 | |
| 304 | 63 #ifdef CC_INTERP |
| 64 void save_bcp() { /* not needed in c++ interpreter and harmless */ } | |
| 65 void restore_bcp() { /* not needed in c++ interpreter and harmless */ } | |
| 66 | |
| 67 // Helpers for runtime call arguments/results | |
| 68 void get_method(Register reg); | |
| 69 | |
| 70 #else | |
| 71 | |
| 0 | 72 // Interpreter-specific registers |
| 304 | 73 void save_bcp() { |
| 74 movptr(Address(rbp, frame::interpreter_frame_bcx_offset * wordSize), r13); | |
| 0 | 75 } |
| 76 | |
| 304 | 77 void restore_bcp() { |
| 78 movptr(r13, Address(rbp, frame::interpreter_frame_bcx_offset * wordSize)); | |
| 0 | 79 } |
| 80 | |
| 304 | 81 void restore_locals() { |
| 82 movptr(r14, Address(rbp, frame::interpreter_frame_locals_offset * wordSize)); | |
| 0 | 83 } |
| 84 | |
| 85 // Helpers for runtime call arguments/results | |
| 304 | 86 void get_method(Register reg) { |
| 87 movptr(reg, Address(rbp, frame::interpreter_frame_method_offset * wordSize)); | |
| 0 | 88 } |
| 89 | |
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90 void get_const(Register reg) { |
| 0 | 91 get_method(reg); |
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92 movptr(reg, Address(reg, Method::const_offset())); |
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93 } |
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94 |
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95 void get_constant_pool(Register reg) { |
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96 get_const(reg); |
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97 movptr(reg, Address(reg, ConstMethod::constants_offset())); |
| 0 | 98 } |
| 99 | |
| 304 | 100 void get_constant_pool_cache(Register reg) { |
| 0 | 101 get_constant_pool(reg); |
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102 movptr(reg, Address(reg, ConstantPool::cache_offset_in_bytes())); |
| 0 | 103 } |
| 104 | |
| 304 | 105 void get_cpool_and_tags(Register cpool, Register tags) { |
| 0 | 106 get_constant_pool(cpool); |
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107 movptr(tags, Address(cpool, ConstantPool::tags_offset_in_bytes())); |
| 0 | 108 } |
| 109 | |
| 110 void get_unsigned_2_byte_index_at_bcp(Register reg, int bcp_offset); | |
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111 void get_cache_and_index_at_bcp(Register cache, Register index, int bcp_offset, size_t index_size = sizeof(u2)); |
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112 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)); |
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113 void get_cache_entry_pointer_at_bcp(Register cache, Register tmp, int bcp_offset, size_t index_size = sizeof(u2)); |
| 1565 | 114 void get_cache_index_at_bcp(Register index, int bcp_offset, size_t index_size = sizeof(u2)); |
| 0 | 115 |
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116 // load cpool->resolved_references(index); |
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117 void load_resolved_reference_at_index(Register result, Register index); |
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118 |
| 0 | 119 void pop_ptr(Register r = rax); |
| 120 void pop_i(Register r = rax); | |
| 121 void pop_l(Register r = rax); | |
| 122 void pop_f(XMMRegister r = xmm0); | |
| 123 void pop_d(XMMRegister r = xmm0); | |
| 124 void push_ptr(Register r = rax); | |
| 125 void push_i(Register r = rax); | |
| 126 void push_l(Register r = rax); | |
| 127 void push_f(XMMRegister r = xmm0); | |
| 128 void push_d(XMMRegister r = xmm0); | |
| 129 | |
| 304 | 130 void pop(Register r ) { ((MacroAssembler*)this)->pop(r); } |
| 131 | |
| 132 void push(Register r ) { ((MacroAssembler*)this)->push(r); } | |
| 133 void push(int32_t imm ) { ((MacroAssembler*)this)->push(imm); } | |
| 134 | |
| 0 | 135 void pop(TosState state); // transition vtos -> state |
| 136 void push(TosState state); // transition state -> vtos | |
| 137 | |
| 1506 | 138 void empty_expression_stack() { |
| 304 | 139 movptr(rsp, Address(rbp, frame::interpreter_frame_monitor_block_top_offset * wordSize)); |
| 0 | 140 // NULL last_sp until next java call |
| 304 | 141 movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
| 0 | 142 } |
| 143 | |
| 1506 | 144 // Helpers for swap and dup |
| 145 void load_ptr(int n, Register val); | |
| 146 void store_ptr(int n, Register val); | |
| 147 | |
| 0 | 148 // Generate a subtype check: branch to ok_is_subtype if sub_klass is |
| 149 // a subtype of super_klass. | |
| 150 void gen_subtype_check( Register sub_klass, Label &ok_is_subtype ); | |
| 151 | |
| 152 // Dispatching | |
| 153 void dispatch_prolog(TosState state, int step = 0); | |
| 154 void dispatch_epilog(TosState state, int step = 0); | |
| 155 // dispatch via ebx (assume ebx is loaded already) | |
| 156 void dispatch_only(TosState state); | |
| 157 // dispatch normal table via ebx (assume ebx is loaded already) | |
| 158 void dispatch_only_normal(TosState state); | |
| 159 void dispatch_only_noverify(TosState state); | |
| 160 // load ebx from [esi + step] and dispatch via ebx | |
| 161 void dispatch_next(TosState state, int step = 0); | |
| 162 // load ebx from [esi] and dispatch via ebx and table | |
| 163 void dispatch_via (TosState state, address* table); | |
| 164 | |
| 165 // jump to an invoked target | |
| 710 | 166 void prepare_to_jump_from_interpreted(); |
| 0 | 167 void jump_from_interpreted(Register method, Register temp); |
| 168 | |
| 169 | |
| 170 // Returning from interpreted functions | |
| 171 // | |
| 172 // Removes the current activation (incl. unlocking of monitors) | |
| 173 // and sets up the return address. This code is also used for | |
| 174 // exception unwindwing. In that case, we do not want to throw | |
| 175 // IllegalMonitorStateExceptions, since that might get us into an | |
| 176 // infinite rethrow exception loop. | |
| 177 // Additionally this code is used for popFrame and earlyReturn. | |
| 178 // In popFrame case we want to skip throwing an exception, | |
| 179 // installing an exception, and notifying jvmdi. | |
| 180 // In earlyReturn case we only want to skip throwing an exception | |
| 181 // and installing an exception. | |
| 182 void remove_activation(TosState state, Register ret_addr, | |
| 183 bool throw_monitor_exception = true, | |
| 184 bool install_monitor_exception = true, | |
| 185 bool notify_jvmdi = true); | |
| 304 | 186 #endif // CC_INTERP |
| 0 | 187 |
| 188 // Object locking | |
| 189 void lock_object (Register lock_reg); | |
| 190 void unlock_object(Register lock_reg); | |
| 191 | |
| 304 | 192 #ifndef CC_INTERP |
| 193 | |
| 0 | 194 // Interpreter profiling operations |
| 195 void set_method_data_pointer_for_bcp(); | |
| 196 void test_method_data_pointer(Register mdp, Label& zero_continue); | |
| 197 void verify_method_data_pointer(); | |
| 198 | |
| 199 void set_mdp_data_at(Register mdp_in, int constant, Register value); | |
| 200 void increment_mdp_data_at(Address data, bool decrement = false); | |
| 201 void increment_mdp_data_at(Register mdp_in, int constant, | |
| 202 bool decrement = false); | |
| 203 void increment_mdp_data_at(Register mdp_in, Register reg, int constant, | |
| 204 bool decrement = false); | |
| 1783 | 205 void increment_mask_and_jump(Address counter_addr, |
| 206 int increment, int mask, | |
| 207 Register scratch, bool preloaded, | |
| 208 Condition cond, Label* where); | |
| 0 | 209 void set_mdp_flag_at(Register mdp_in, int flag_constant); |
| 210 void test_mdp_data_at(Register mdp_in, int offset, Register value, | |
| 211 Register test_value_out, | |
| 212 Label& not_equal_continue); | |
| 213 | |
| 214 void record_klass_in_profile(Register receiver, Register mdp, | |
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215 Register reg2, bool is_virtual_call); |
| 0 | 216 void record_klass_in_profile_helper(Register receiver, Register mdp, |
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217 Register reg2, Label& done, bool is_virtual_call); |
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218 void record_item_in_profile_helper(Register item, Register mdp, |
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219 Register reg2, int start_row, Label& done, int total_rows, |
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220 OffsetFunction item_offset_fn, OffsetFunction item_count_offset_fn, |
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221 int non_profiled_offset); |
| 0 | 222 |
| 223 void update_mdp_by_offset(Register mdp_in, int offset_of_offset); | |
| 224 void update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp); | |
| 225 void update_mdp_by_constant(Register mdp_in, int constant); | |
| 226 void update_mdp_for_ret(Register return_bci); | |
| 227 | |
| 228 void profile_taken_branch(Register mdp, Register bumped_count); | |
| 229 void profile_not_taken_branch(Register mdp); | |
| 230 void profile_call(Register mdp); | |
| 231 void profile_final_call(Register mdp); | |
| 232 void profile_virtual_call(Register receiver, Register mdp, | |
| 1108 | 233 Register scratch2, |
| 234 bool receiver_can_be_null = false); | |
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235 void profile_called_method(Register method, Register mdp, Register reg2); |
| 0 | 236 void profile_ret(Register return_bci, Register mdp); |
| 237 void profile_null_seen(Register mdp); | |
| 238 void profile_typecheck(Register mdp, Register klass, Register scratch); | |
| 239 void profile_typecheck_failed(Register mdp); | |
| 240 void profile_switch_default(Register mdp); | |
| 241 void profile_switch_case(Register index_in_scratch, Register mdp, | |
| 242 Register scratch2); | |
| 243 | |
| 244 // Debugging | |
| 245 // only if +VerifyOops && state == atos | |
| 246 void verify_oop(Register reg, TosState state = atos); | |
| 247 // only if +VerifyFPU && (state == ftos || state == dtos) | |
| 248 void verify_FPU(int stack_depth, TosState state = ftos); | |
| 249 | |
| 304 | 250 #endif // !CC_INTERP |
| 251 | |
| 0 | 252 typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode; |
| 253 | |
| 254 // support for jvmti/dtrace | |
| 255 void notify_method_entry(); | |
| 256 void notify_method_exit(TosState state, NotifyMethodExitMode mode); | |
| 257 }; | |
| 1972 | 258 |
| 259 #endif // CPU_X86_VM_INTERP_MASM_X86_64_HPP |