Mercurial > hg > truffle
annotate src/cpu/x86/vm/interp_masm_x86_32.hpp @ 3096:8073f5ad1d87
IdealGraphVisualizer: Rename predecessors to "Nodes Above" and successors to "Nodes Below" and actions "Expand Predecessors" and "Expand Successors" to "Expand Above" and "Expand Below" to avoid ambiguity with the Graal concept of successors and predecessors
| author | Peter Hofer <peter.hofer@jku.at> |
|---|---|
| date | Wed, 29 Jun 2011 18:27:14 +0200 |
| parents | f95d63e2154a |
| children | 2e038ad0c1d0 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1997, 2010, 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)); } |
| 80 void get_constant_pool(Register reg) { get_method(reg); movptr(reg, Address(reg, methodOopDesc::constants_offset())); } | |
| 81 void get_constant_pool_cache(Register reg) { get_constant_pool(reg); movptr(reg, Address(reg, constantPoolOopDesc::cache_offset_in_bytes())); } | |
| 82 void get_cpool_and_tags(Register cpool, Register tags) { get_constant_pool(cpool); movptr(tags, Address(cpool, constantPoolOopDesc::tags_offset_in_bytes())); | |
| 0 | 83 } |
| 84 void get_unsigned_2_byte_index_at_bcp(Register reg, int bcp_offset); | |
| 1565 | 85 void get_cache_and_index_at_bcp(Register cache, Register index, int bcp_offset, size_t index_size = sizeof(u2)); |
| 86 void get_cache_entry_pointer_at_bcp(Register cache, Register tmp, int bcp_offset, size_t index_size = sizeof(u2)); | |
| 87 void get_cache_index_at_bcp(Register index, int bcp_offset, size_t index_size = sizeof(u2)); | |
| 0 | 88 |
| 89 // Expression stack | |
| 90 void f2ieee(); // truncate ftos to 32bits | |
| 91 void d2ieee(); // truncate dtos to 64bits | |
| 92 | |
| 93 void pop_ptr(Register r = rax); | |
| 94 void pop_i(Register r = rax); | |
| 95 void pop_l(Register lo = rax, Register hi = rdx); | |
| 96 void pop_f(); | |
| 97 void pop_d(); | |
| 98 | |
| 99 void push_ptr(Register r = rax); | |
| 100 void push_i(Register r = rax); | |
| 101 void push_l(Register lo = rax, Register hi = rdx); | |
| 102 void push_d(Register r = rax); | |
| 103 void push_f(); | |
| 104 | |
| 105 void pop(TosState state); // transition vtos -> state | |
| 106 void push(TosState state); // transition state -> vtos | |
| 107 | |
| 304 | 108 void pop(Register r ) { ((MacroAssembler*)this)->pop(r); } |
| 109 | |
| 110 void push(Register r ) { ((MacroAssembler*)this)->push(r); } | |
| 111 void push(int32_t imm ) { ((MacroAssembler*)this)->push(imm); } | |
| 112 | |
| 113 // These are dummies to prevent surprise implicit conversions to Register | |
| 114 void pop(void* v ); // Add unimplemented ambiguous method | |
| 115 void push(void* v ); // Add unimplemented ambiguous method | |
| 116 | |
| 1506 | 117 void empty_expression_stack() { |
| 118 movptr(rsp, Address(rbp, frame::interpreter_frame_monitor_block_top_offset * wordSize)); | |
| 119 // NULL last_sp until next java call | |
| 120 movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), NULL_WORD); | |
| 0 | 121 } |
| 122 | |
| 1506 | 123 // Helpers for swap and dup |
| 124 void load_ptr(int n, Register val); | |
| 125 void store_ptr(int n, Register val); | |
| 0 | 126 |
| 127 // Super call_VM calls - correspond to MacroAssembler::call_VM(_leaf) calls | |
| 128 void super_call_VM_leaf(address entry_point); | |
| 129 void super_call_VM_leaf(address entry_point, Register arg_1); | |
| 130 void super_call_VM_leaf(address entry_point, Register arg_1, Register arg_2); | |
| 131 void super_call_VM_leaf(address entry_point, Register arg_1, Register arg_2, Register arg_3); | |
| 132 | |
| 133 // Generate a subtype check: branch to ok_is_subtype if sub_klass is | |
| 134 // a subtype of super_klass. EAX holds the super_klass. Blows ECX | |
| 135 // and EDI. Register sub_klass cannot be any of the above. | |
| 136 void gen_subtype_check( Register sub_klass, Label &ok_is_subtype ); | |
| 137 | |
| 138 // Dispatching | |
| 139 void dispatch_prolog(TosState state, int step = 0); | |
| 140 void dispatch_epilog(TosState state, int step = 0); | |
| 141 void dispatch_only(TosState state); // dispatch via rbx, (assume rbx, is loaded already) | |
| 142 void dispatch_only_normal(TosState state); // dispatch normal table via rbx, (assume rbx, is loaded already) | |
| 143 void dispatch_only_noverify(TosState state); | |
| 144 void dispatch_next(TosState state, int step = 0); // load rbx, from [esi + step] and dispatch via rbx, | |
| 145 void dispatch_via (TosState state, address* table); // load rbx, from [esi] and dispatch via rbx, and table | |
| 146 | |
| 147 | |
| 148 // jump to an invoked target | |
| 710 | 149 void prepare_to_jump_from_interpreted(); |
| 0 | 150 void jump_from_interpreted(Register method, Register temp); |
| 151 | |
| 152 // Returning from interpreted functions | |
| 153 // | |
| 154 // Removes the current activation (incl. unlocking of monitors) | |
| 155 // and sets up the return address. This code is also used for | |
| 156 // exception unwindwing. In that case, we do not want to throw | |
| 157 // IllegalMonitorStateExceptions, since that might get us into an | |
| 158 // infinite rethrow exception loop. | |
| 159 // Additionally this code is used for popFrame and earlyReturn. | |
| 160 // In popFrame case we want to skip throwing an exception, | |
| 161 // installing an exception, and notifying jvmdi. | |
| 162 // In earlyReturn case we only want to skip throwing an exception | |
| 163 // and installing an exception. | |
| 164 void remove_activation(TosState state, Register ret_addr, | |
| 165 bool throw_monitor_exception = true, | |
| 166 bool install_monitor_exception = true, | |
| 167 bool notify_jvmdi = true); | |
| 168 #endif /* !CC_INTERP */ | |
| 169 | |
| 170 // Debugging | |
| 171 void verify_oop(Register reg, TosState state = atos); // only if +VerifyOops && state == atos | |
| 172 #ifndef CC_INTERP | |
| 173 void verify_FPU(int stack_depth, TosState state = ftos); // only if +VerifyFPU && (state == ftos || state == dtos) | |
| 174 | |
| 175 #endif /* !CC_INTERP */ | |
| 176 | |
| 177 // Object locking | |
| 178 void lock_object (Register lock_reg); | |
| 179 void unlock_object(Register lock_reg); | |
| 180 | |
| 181 #ifndef CC_INTERP | |
| 182 | |
| 183 // Interpreter profiling operations | |
| 184 void set_method_data_pointer_for_bcp(); | |
| 185 void test_method_data_pointer(Register mdp, Label& zero_continue); | |
| 186 void verify_method_data_pointer(); | |
| 187 | |
| 188 void set_mdp_data_at(Register mdp_in, int constant, Register value); | |
| 189 void increment_mdp_data_at(Address data, bool decrement = false); | |
| 190 void increment_mdp_data_at(Register mdp_in, int constant, | |
| 191 bool decrement = false); | |
| 192 void increment_mdp_data_at(Register mdp_in, Register reg, int constant, | |
| 193 bool decrement = false); | |
| 1783 | 194 void increment_mask_and_jump(Address counter_addr, |
| 195 int increment, int mask, | |
| 196 Register scratch, bool preloaded, | |
| 197 Condition cond, Label* where); | |
| 0 | 198 void set_mdp_flag_at(Register mdp_in, int flag_constant); |
| 199 void test_mdp_data_at(Register mdp_in, int offset, Register value, | |
| 200 Register test_value_out, | |
| 201 Label& not_equal_continue); | |
| 202 | |
| 203 void record_klass_in_profile(Register receiver, Register mdp, | |
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204 Register reg2, bool is_virtual_call); |
| 0 | 205 void record_klass_in_profile_helper(Register receiver, Register mdp, |
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206 Register reg2, int start_row, |
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207 Label& done, bool is_virtual_call); |
| 0 | 208 |
| 209 void update_mdp_by_offset(Register mdp_in, int offset_of_offset); | |
| 210 void update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp); | |
| 211 void update_mdp_by_constant(Register mdp_in, int constant); | |
| 212 void update_mdp_for_ret(Register return_bci); | |
| 213 | |
| 214 void profile_taken_branch(Register mdp, Register bumped_count); | |
| 215 void profile_not_taken_branch(Register mdp); | |
| 216 void profile_call(Register mdp); | |
| 217 void profile_final_call(Register mdp); | |
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218 void profile_virtual_call(Register receiver, Register mdp, Register scratch2, |
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219 bool receiver_can_be_null = false); |
| 0 | 220 void profile_ret(Register return_bci, Register mdp); |
| 221 void profile_null_seen(Register mdp); | |
| 222 void profile_typecheck(Register mdp, Register klass, Register scratch); | |
| 223 void profile_typecheck_failed(Register mdp); | |
| 224 void profile_switch_default(Register mdp); | |
| 225 void profile_switch_case(Register index_in_scratch, Register mdp, Register scratch2); | |
| 226 | |
| 227 #endif /* !CC_INTERP */ | |
| 228 | |
| 229 typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode; | |
| 230 | |
| 231 // support for jvmti | |
| 232 void notify_method_entry(); | |
| 233 void notify_method_exit(TosState state, NotifyMethodExitMode mode); | |
| 234 | |
| 235 }; | |
| 1972 | 236 |
| 237 #endif // CPU_X86_VM_INTERP_MASM_X86_32_HPP |