Mercurial > hg > truffle
annotate src/cpu/x86/vm/interp_masm_x86_32.hpp @ 6725:da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
| author | coleenp |
|---|---|
| date | Sat, 01 Sep 2012 13:25:18 -0400 |
| parents | 2fe087c3e814 |
| children | cd3d6a6b95d9 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1997, 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_32_HPP |
| 26 #define CPU_X86_VM_INTERP_MASM_X86_32_HPP | |
| 27 | |
| 28 #include "assembler_x86.inline.hpp" | |
| 29 #include "interpreter/invocationCounter.hpp" | |
| 30 | |
| 0 | 31 // This file specializes the assember with interpreter-specific macros |
| 32 | |
| 33 | |
| 34 class InterpreterMacroAssembler: public MacroAssembler { | |
| 35 #ifndef CC_INTERP | |
| 36 protected: | |
| 37 // Interpreter specific version of call_VM_base | |
| 38 virtual void call_VM_leaf_base( | |
| 39 address entry_point, | |
| 40 int number_of_arguments | |
| 41 ); | |
| 42 | |
| 43 virtual void call_VM_base( | |
| 44 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 | |
| 52 virtual void check_and_handle_popframe(Register java_thread); | |
| 53 virtual void check_and_handle_earlyret(Register java_thread); | |
| 54 | |
| 55 // base routine for all dispatches | |
| 56 void dispatch_base(TosState state, address* table, bool verifyoop = true); | |
| 57 #endif /* CC_INTERP */ | |
| 58 | |
| 59 public: | |
| 60 InterpreterMacroAssembler(CodeBuffer* code) : MacroAssembler(code) {} | |
| 61 | |
| 62 void load_earlyret_value(TosState state); | |
| 63 | |
| 64 // Interpreter-specific registers | |
| 65 #ifdef CC_INTERP | |
| 66 void save_bcp() { /* not needed in c++ interpreter and harmless */ } | |
| 67 void restore_bcp() { /* not needed in c++ interpreter and harmless */ } | |
| 68 | |
| 69 // Helpers for runtime call arguments/results | |
| 70 void get_method(Register reg); | |
| 71 | |
| 72 #else | |
| 73 | |
| 304 | 74 void save_bcp() { movptr(Address(rbp, frame::interpreter_frame_bcx_offset * wordSize), rsi); } |
| 75 void restore_bcp() { movptr(rsi, Address(rbp, frame::interpreter_frame_bcx_offset * wordSize)); } | |
| 76 void restore_locals() { movptr(rdi, Address(rbp, frame::interpreter_frame_locals_offset * wordSize)); } | |
| 0 | 77 |
| 78 // Helpers for runtime call arguments/results | |
| 304 | 79 void get_method(Register reg) { movptr(reg, Address(rbp, frame::interpreter_frame_method_offset * wordSize)); } |
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80 void get_const(Register reg) { get_method(reg); movptr(reg, Address(reg, Method::const_offset())); } |
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81 void get_constant_pool(Register reg) { get_const(reg); movptr(reg, Address(reg, ConstMethod::constants_offset())); } |
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82 void get_constant_pool_cache(Register reg) { get_constant_pool(reg); movptr(reg, Address(reg, ConstantPool::cache_offset_in_bytes())); } |
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83 void get_cpool_and_tags(Register cpool, Register tags) { get_constant_pool(cpool); movptr(tags, Address(cpool, ConstantPool::tags_offset_in_bytes())); |
| 0 | 84 } |
| 85 void get_unsigned_2_byte_index_at_bcp(Register reg, int bcp_offset); | |
| 1565 | 86 void get_cache_and_index_at_bcp(Register cache, Register index, int bcp_offset, size_t index_size = sizeof(u2)); |
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87 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)); |
| 1565 | 88 void get_cache_entry_pointer_at_bcp(Register cache, Register tmp, int bcp_offset, size_t index_size = sizeof(u2)); |
| 89 void get_cache_index_at_bcp(Register index, int bcp_offset, size_t index_size = sizeof(u2)); | |
| 0 | 90 |
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91 // load cpool->resolved_references(index); |
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92 void load_resolved_reference_at_index(Register result, Register index); |
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93 |
| 0 | 94 // Expression stack |
| 95 void f2ieee(); // truncate ftos to 32bits | |
| 96 void d2ieee(); // truncate dtos to 64bits | |
| 97 | |
| 98 void pop_ptr(Register r = rax); | |
| 99 void pop_i(Register r = rax); | |
| 100 void pop_l(Register lo = rax, Register hi = rdx); | |
| 101 void pop_f(); | |
| 102 void pop_d(); | |
| 103 | |
| 104 void push_ptr(Register r = rax); | |
| 105 void push_i(Register r = rax); | |
| 106 void push_l(Register lo = rax, Register hi = rdx); | |
| 107 void push_d(Register r = rax); | |
| 108 void push_f(); | |
| 109 | |
| 110 void pop(TosState state); // transition vtos -> state | |
| 111 void push(TosState state); // transition state -> vtos | |
| 112 | |
| 304 | 113 void pop(Register r ) { ((MacroAssembler*)this)->pop(r); } |
| 114 | |
| 115 void push(Register r ) { ((MacroAssembler*)this)->push(r); } | |
| 116 void push(int32_t imm ) { ((MacroAssembler*)this)->push(imm); } | |
| 117 | |
| 118 // These are dummies to prevent surprise implicit conversions to Register | |
| 119 void pop(void* v ); // Add unimplemented ambiguous method | |
| 120 void push(void* v ); // Add unimplemented ambiguous method | |
| 121 | |
| 1506 | 122 void empty_expression_stack() { |
| 123 movptr(rsp, Address(rbp, frame::interpreter_frame_monitor_block_top_offset * wordSize)); | |
| 124 // NULL last_sp until next java call | |
| 125 movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), NULL_WORD); | |
| 0 | 126 } |
| 127 | |
| 1506 | 128 // Helpers for swap and dup |
| 129 void load_ptr(int n, Register val); | |
| 130 void store_ptr(int n, Register val); | |
| 0 | 131 |
| 132 // Generate a subtype check: branch to ok_is_subtype if sub_klass is | |
| 133 // a subtype of super_klass. EAX holds the super_klass. Blows ECX | |
| 134 // and EDI. Register sub_klass cannot be any of the above. | |
| 135 void gen_subtype_check( Register sub_klass, Label &ok_is_subtype ); | |
| 136 | |
| 137 // Dispatching | |
| 138 void dispatch_prolog(TosState state, int step = 0); | |
| 139 void dispatch_epilog(TosState state, int step = 0); | |
| 140 void dispatch_only(TosState state); // dispatch via rbx, (assume rbx, is loaded already) | |
| 141 void dispatch_only_normal(TosState state); // dispatch normal table via rbx, (assume rbx, is loaded already) | |
| 142 void dispatch_only_noverify(TosState state); | |
| 143 void dispatch_next(TosState state, int step = 0); // load rbx, from [esi + step] and dispatch via rbx, | |
| 144 void dispatch_via (TosState state, address* table); // load rbx, from [esi] and dispatch via rbx, and table | |
| 145 | |
| 146 | |
| 147 // jump to an invoked target | |
| 710 | 148 void prepare_to_jump_from_interpreted(); |
| 0 | 149 void jump_from_interpreted(Register method, Register temp); |
| 150 | |
| 151 // Returning from interpreted functions | |
| 152 // | |
| 153 // Removes the current activation (incl. unlocking of monitors) | |
| 154 // and sets up the return address. This code is also used for | |
| 155 // exception unwindwing. In that case, we do not want to throw | |
| 156 // IllegalMonitorStateExceptions, since that might get us into an | |
| 157 // infinite rethrow exception loop. | |
| 158 // Additionally this code is used for popFrame and earlyReturn. | |
| 159 // In popFrame case we want to skip throwing an exception, | |
| 160 // installing an exception, and notifying jvmdi. | |
| 161 // In earlyReturn case we only want to skip throwing an exception | |
| 162 // and installing an exception. | |
| 163 void remove_activation(TosState state, Register ret_addr, | |
| 164 bool throw_monitor_exception = true, | |
| 165 bool install_monitor_exception = true, | |
| 166 bool notify_jvmdi = true); | |
| 167 #endif /* !CC_INTERP */ | |
| 168 | |
| 169 // Debugging | |
| 170 void verify_oop(Register reg, TosState state = atos); // only if +VerifyOops && state == atos | |
| 171 #ifndef CC_INTERP | |
| 172 void verify_FPU(int stack_depth, TosState state = ftos); // only if +VerifyFPU && (state == ftos || state == dtos) | |
| 173 | |
| 174 #endif /* !CC_INTERP */ | |
| 175 | |
| 176 // Object locking | |
| 177 void lock_object (Register lock_reg); | |
| 178 void unlock_object(Register lock_reg); | |
| 179 | |
| 180 #ifndef CC_INTERP | |
| 181 | |
| 182 // Interpreter profiling operations | |
| 183 void set_method_data_pointer_for_bcp(); | |
| 184 void test_method_data_pointer(Register mdp, Label& zero_continue); | |
| 185 void verify_method_data_pointer(); | |
| 186 | |
| 187 void set_mdp_data_at(Register mdp_in, int constant, Register value); | |
| 188 void increment_mdp_data_at(Address data, bool decrement = false); | |
| 189 void increment_mdp_data_at(Register mdp_in, int constant, | |
| 190 bool decrement = false); | |
| 191 void increment_mdp_data_at(Register mdp_in, Register reg, int constant, | |
| 192 bool decrement = false); | |
| 1783 | 193 void increment_mask_and_jump(Address counter_addr, |
| 194 int increment, int mask, | |
| 195 Register scratch, bool preloaded, | |
| 196 Condition cond, Label* where); | |
| 0 | 197 void set_mdp_flag_at(Register mdp_in, int flag_constant); |
| 198 void test_mdp_data_at(Register mdp_in, int offset, Register value, | |
| 199 Register test_value_out, | |
| 200 Label& not_equal_continue); | |
| 201 | |
| 202 void record_klass_in_profile(Register receiver, Register mdp, | |
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203 Register reg2, bool is_virtual_call); |
| 0 | 204 void record_klass_in_profile_helper(Register receiver, Register mdp, |
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205 Register reg2, int start_row, |
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206 Label& done, bool is_virtual_call); |
| 0 | 207 |
| 208 void update_mdp_by_offset(Register mdp_in, int offset_of_offset); | |
| 209 void update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp); | |
| 210 void update_mdp_by_constant(Register mdp_in, int constant); | |
| 211 void update_mdp_for_ret(Register return_bci); | |
| 212 | |
| 213 void profile_taken_branch(Register mdp, Register bumped_count); | |
| 214 void profile_not_taken_branch(Register mdp); | |
| 215 void profile_call(Register mdp); | |
| 216 void profile_final_call(Register mdp); | |
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217 void profile_virtual_call(Register receiver, Register mdp, Register scratch2, |
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218 bool receiver_can_be_null = false); |
| 0 | 219 void profile_ret(Register return_bci, Register mdp); |
| 220 void profile_null_seen(Register mdp); | |
| 221 void profile_typecheck(Register mdp, Register klass, Register scratch); | |
| 222 void profile_typecheck_failed(Register mdp); | |
| 223 void profile_switch_default(Register mdp); | |
| 224 void profile_switch_case(Register index_in_scratch, Register mdp, Register scratch2); | |
| 225 | |
| 226 #endif /* !CC_INTERP */ | |
| 227 | |
| 228 typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode; | |
| 229 | |
| 230 // support for jvmti | |
| 231 void notify_method_entry(); | |
| 232 void notify_method_exit(TosState state, NotifyMethodExitMode mode); | |
| 233 | |
| 234 }; | |
| 1972 | 235 |
| 236 #endif // CPU_X86_VM_INTERP_MASM_X86_32_HPP |