Mercurial > hg > truffle
annotate src/cpu/x86/vm/interp_masm_x86_32.hpp @ 12355:cefad50507d8
Merge with hs25-b53
| author | Gilles Duboscq <duboscq@ssw.jku.at> |
|---|---|
| date | Fri, 11 Oct 2013 10:38:03 +0200 |
| parents | aeaca88565e6 |
| children | d13d7aba8c12 |
| rev | line source |
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| 0 | 1 /* |
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2 * Copyright (c) 1997, 2013, 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 | |
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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 | |
| 35 | |
| 36 class InterpreterMacroAssembler: public MacroAssembler { | |
| 37 #ifndef CC_INTERP | |
| 38 protected: | |
| 39 // Interpreter specific version of call_VM_base | |
| 40 virtual void call_VM_leaf_base( | |
| 41 address entry_point, | |
| 42 int number_of_arguments | |
| 43 ); | |
| 44 | |
| 45 virtual void call_VM_base( | |
| 46 Register oop_result, | |
| 47 Register java_thread, | |
| 48 Register last_java_sp, | |
| 49 address entry_point, | |
| 50 int number_of_arguments, | |
| 51 bool check_exceptions | |
| 52 ); | |
| 53 | |
| 54 virtual void check_and_handle_popframe(Register java_thread); | |
| 55 virtual void check_and_handle_earlyret(Register java_thread); | |
| 56 | |
| 57 // base routine for all dispatches | |
| 58 void dispatch_base(TosState state, address* table, bool verifyoop = true); | |
| 59 #endif /* CC_INTERP */ | |
| 60 | |
| 61 public: | |
| 62 InterpreterMacroAssembler(CodeBuffer* code) : MacroAssembler(code) {} | |
| 63 | |
| 64 void load_earlyret_value(TosState state); | |
| 65 | |
| 66 // Interpreter-specific registers | |
| 67 #ifdef CC_INTERP | |
| 68 void save_bcp() { /* not needed in c++ interpreter and harmless */ } | |
| 69 void restore_bcp() { /* not needed in c++ interpreter and harmless */ } | |
| 70 | |
| 71 // Helpers for runtime call arguments/results | |
| 72 void get_method(Register reg); | |
| 73 | |
| 74 #else | |
| 75 | |
| 304 | 76 void save_bcp() { movptr(Address(rbp, frame::interpreter_frame_bcx_offset * wordSize), rsi); } |
| 77 void restore_bcp() { movptr(rsi, Address(rbp, frame::interpreter_frame_bcx_offset * wordSize)); } | |
| 78 void restore_locals() { movptr(rdi, Address(rbp, frame::interpreter_frame_locals_offset * wordSize)); } | |
| 0 | 79 |
| 80 // Helpers for runtime call arguments/results | |
| 304 | 81 void get_method(Register reg) { movptr(reg, Address(rbp, frame::interpreter_frame_method_offset * wordSize)); } |
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82 void get_const(Register reg) { get_method(reg); movptr(reg, Address(reg, Method::const_offset())); } |
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83 void get_constant_pool(Register reg) { get_const(reg); movptr(reg, Address(reg, ConstMethod::constants_offset())); } |
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84 void get_constant_pool_cache(Register reg) { get_constant_pool(reg); movptr(reg, Address(reg, ConstantPool::cache_offset_in_bytes())); } |
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85 void get_cpool_and_tags(Register cpool, Register tags) { get_constant_pool(cpool); movptr(tags, Address(cpool, ConstantPool::tags_offset_in_bytes())); |
| 0 | 86 } |
| 87 void get_unsigned_2_byte_index_at_bcp(Register reg, int bcp_offset); | |
| 1565 | 88 void get_cache_and_index_at_bcp(Register cache, Register index, int bcp_offset, size_t index_size = sizeof(u2)); |
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89 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 | 90 void get_cache_entry_pointer_at_bcp(Register cache, Register tmp, int bcp_offset, size_t index_size = sizeof(u2)); |
| 91 void get_cache_index_at_bcp(Register index, int bcp_offset, size_t index_size = sizeof(u2)); | |
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92 void get_method_counters(Register method, Register mcs, Label& skip); |
| 0 | 93 |
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94 // load cpool->resolved_references(index); |
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95 void load_resolved_reference_at_index(Register result, Register index); |
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96 |
| 0 | 97 // Expression stack |
| 98 void f2ieee(); // truncate ftos to 32bits | |
| 99 void d2ieee(); // truncate dtos to 64bits | |
| 100 | |
| 101 void pop_ptr(Register r = rax); | |
| 102 void pop_i(Register r = rax); | |
| 103 void pop_l(Register lo = rax, Register hi = rdx); | |
| 104 void pop_f(); | |
| 105 void pop_d(); | |
| 106 | |
| 107 void push_ptr(Register r = rax); | |
| 108 void push_i(Register r = rax); | |
| 109 void push_l(Register lo = rax, Register hi = rdx); | |
| 110 void push_d(Register r = rax); | |
| 111 void push_f(); | |
| 112 | |
| 113 void pop(TosState state); // transition vtos -> state | |
| 114 void push(TosState state); // transition state -> vtos | |
| 115 | |
| 304 | 116 void pop(Register r ) { ((MacroAssembler*)this)->pop(r); } |
| 117 | |
| 118 void push(Register r ) { ((MacroAssembler*)this)->push(r); } | |
| 119 void push(int32_t imm ) { ((MacroAssembler*)this)->push(imm); } | |
| 120 | |
| 121 // These are dummies to prevent surprise implicit conversions to Register | |
| 122 void pop(void* v ); // Add unimplemented ambiguous method | |
| 123 void push(void* v ); // Add unimplemented ambiguous method | |
| 124 | |
| 1506 | 125 void empty_expression_stack() { |
| 126 movptr(rsp, Address(rbp, frame::interpreter_frame_monitor_block_top_offset * wordSize)); | |
| 127 // NULL last_sp until next java call | |
| 128 movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), NULL_WORD); | |
| 0 | 129 } |
| 130 | |
| 1506 | 131 // Helpers for swap and dup |
| 132 void load_ptr(int n, Register val); | |
| 133 void store_ptr(int n, Register val); | |
| 0 | 134 |
| 135 // Generate a subtype check: branch to ok_is_subtype if sub_klass is | |
| 136 // a subtype of super_klass. EAX holds the super_klass. Blows ECX | |
| 137 // and EDI. Register sub_klass cannot be any of the above. | |
| 138 void gen_subtype_check( Register sub_klass, Label &ok_is_subtype ); | |
| 139 | |
| 140 // Dispatching | |
| 141 void dispatch_prolog(TosState state, int step = 0); | |
| 142 void dispatch_epilog(TosState state, int step = 0); | |
| 143 void dispatch_only(TosState state); // dispatch via rbx, (assume rbx, is loaded already) | |
| 144 void dispatch_only_normal(TosState state); // dispatch normal table via rbx, (assume rbx, is loaded already) | |
| 145 void dispatch_only_noverify(TosState state); | |
| 146 void dispatch_next(TosState state, int step = 0); // load rbx, from [esi + step] and dispatch via rbx, | |
| 147 void dispatch_via (TosState state, address* table); // load rbx, from [esi] and dispatch via rbx, and table | |
| 148 | |
| 149 | |
| 150 // jump to an invoked target | |
| 710 | 151 void prepare_to_jump_from_interpreted(); |
| 0 | 152 void jump_from_interpreted(Register method, Register temp); |
| 153 | |
| 154 // Returning from interpreted functions | |
| 155 // | |
| 156 // Removes the current activation (incl. unlocking of monitors) | |
| 157 // and sets up the return address. This code is also used for | |
| 158 // exception unwindwing. In that case, we do not want to throw | |
| 159 // IllegalMonitorStateExceptions, since that might get us into an | |
| 160 // infinite rethrow exception loop. | |
| 161 // Additionally this code is used for popFrame and earlyReturn. | |
| 162 // In popFrame case we want to skip throwing an exception, | |
| 163 // installing an exception, and notifying jvmdi. | |
| 164 // In earlyReturn case we only want to skip throwing an exception | |
| 165 // and installing an exception. | |
| 166 void remove_activation(TosState state, Register ret_addr, | |
| 167 bool throw_monitor_exception = true, | |
| 168 bool install_monitor_exception = true, | |
| 169 bool notify_jvmdi = true); | |
| 170 #endif /* !CC_INTERP */ | |
| 171 | |
| 172 // Debugging | |
| 173 void verify_oop(Register reg, TosState state = atos); // only if +VerifyOops && state == atos | |
| 174 #ifndef CC_INTERP | |
| 175 void verify_FPU(int stack_depth, TosState state = ftos); // only if +VerifyFPU && (state == ftos || state == dtos) | |
| 176 | |
| 177 #endif /* !CC_INTERP */ | |
| 178 | |
| 179 // Object locking | |
| 180 void lock_object (Register lock_reg); | |
| 181 void unlock_object(Register lock_reg); | |
| 182 | |
| 183 #ifndef CC_INTERP | |
| 184 | |
| 185 // Interpreter profiling operations | |
| 186 void set_method_data_pointer_for_bcp(); | |
| 187 void test_method_data_pointer(Register mdp, Label& zero_continue); | |
| 188 void verify_method_data_pointer(); | |
| 189 | |
| 190 void set_mdp_data_at(Register mdp_in, int constant, Register value); | |
| 191 void increment_mdp_data_at(Address data, bool decrement = false); | |
| 192 void increment_mdp_data_at(Register mdp_in, int constant, | |
| 193 bool decrement = false); | |
| 194 void increment_mdp_data_at(Register mdp_in, Register reg, int constant, | |
| 195 bool decrement = false); | |
| 1783 | 196 void increment_mask_and_jump(Address counter_addr, |
| 197 int increment, int mask, | |
| 198 Register scratch, bool preloaded, | |
| 199 Condition cond, Label* where); | |
| 0 | 200 void set_mdp_flag_at(Register mdp_in, int flag_constant); |
| 201 void test_mdp_data_at(Register mdp_in, int offset, Register value, | |
| 202 Register test_value_out, | |
| 203 Label& not_equal_continue); | |
| 204 | |
| 205 void record_klass_in_profile(Register receiver, Register mdp, | |
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206 Register reg2, bool is_virtual_call); |
| 0 | 207 void record_klass_in_profile_helper(Register receiver, Register mdp, |
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208 Register reg2, int start_row, |
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209 Label& done, bool is_virtual_call); |
| 0 | 210 |
| 211 void update_mdp_by_offset(Register mdp_in, int offset_of_offset); | |
| 212 void update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp); | |
| 213 void update_mdp_by_constant(Register mdp_in, int constant); | |
| 214 void update_mdp_for_ret(Register return_bci); | |
| 215 | |
| 216 void profile_taken_branch(Register mdp, Register bumped_count); | |
| 217 void profile_not_taken_branch(Register mdp); | |
| 218 void profile_call(Register mdp); | |
| 219 void profile_final_call(Register mdp); | |
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220 void profile_virtual_call(Register receiver, Register mdp, Register scratch2, |
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221 bool receiver_can_be_null = false); |
| 0 | 222 void profile_ret(Register return_bci, Register mdp); |
| 223 void profile_null_seen(Register mdp); | |
| 224 void profile_typecheck(Register mdp, Register klass, Register scratch); | |
| 225 void profile_typecheck_failed(Register mdp); | |
| 226 void profile_switch_default(Register mdp); | |
| 227 void profile_switch_case(Register index_in_scratch, Register mdp, Register scratch2); | |
| 228 | |
| 229 #endif /* !CC_INTERP */ | |
| 230 | |
| 231 typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode; | |
| 232 | |
| 233 // support for jvmti | |
| 234 void notify_method_entry(); | |
| 235 void notify_method_exit(TosState state, NotifyMethodExitMode mode); | |
| 236 | |
| 237 }; | |
| 1972 | 238 |
| 239 #endif // CPU_X86_VM_INTERP_MASM_X86_32_HPP |