src/cpu/x86/vm/interp_masm_x86_32.hpp

Sat, 29 Sep 2012 06:40:00 -0400

author
coleenp
date
Sat, 29 Sep 2012 06:40:00 -0400
changeset 4142
d8ce2825b193
parent 4037
da91efe96a93
child 4318
cd3d6a6b95d9
permissions
-rw-r--r--

8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
Summary: Capitalize these metadata types (and objArrayKlass)
Reviewed-by: stefank, twisti, kvn

duke@435 1 /*
jiangli@3826 2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
duke@435 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435 4 *
duke@435 5 * This code is free software; you can redistribute it and/or modify it
duke@435 6 * under the terms of the GNU General Public License version 2 only, as
duke@435 7 * published by the Free Software Foundation.
duke@435 8 *
duke@435 9 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435 12 * version 2 for more details (a copy is included in the LICENSE file that
duke@435 13 * accompanied this code).
duke@435 14 *
duke@435 15 * You should have received a copy of the GNU General Public License version
duke@435 16 * 2 along with this work; if not, write to the Free Software Foundation,
duke@435 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435 18 *
trims@1907 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907 20 * or visit www.oracle.com if you need additional information or have any
trims@1907 21 * questions.
duke@435 22 *
duke@435 23 */
duke@435 24
stefank@2314 25 #ifndef CPU_X86_VM_INTERP_MASM_X86_32_HPP
stefank@2314 26 #define CPU_X86_VM_INTERP_MASM_X86_32_HPP
stefank@2314 27
stefank@2314 28 #include "assembler_x86.inline.hpp"
stefank@2314 29 #include "interpreter/invocationCounter.hpp"
stefank@2314 30
duke@435 31 // This file specializes the assember with interpreter-specific macros
duke@435 32
duke@435 33
duke@435 34 class InterpreterMacroAssembler: public MacroAssembler {
duke@435 35 #ifndef CC_INTERP
duke@435 36 protected:
duke@435 37 // Interpreter specific version of call_VM_base
duke@435 38 virtual void call_VM_leaf_base(
duke@435 39 address entry_point,
duke@435 40 int number_of_arguments
duke@435 41 );
duke@435 42
duke@435 43 virtual void call_VM_base(
duke@435 44 Register oop_result,
duke@435 45 Register java_thread,
duke@435 46 Register last_java_sp,
duke@435 47 address entry_point,
duke@435 48 int number_of_arguments,
duke@435 49 bool check_exceptions
duke@435 50 );
duke@435 51
duke@435 52 virtual void check_and_handle_popframe(Register java_thread);
duke@435 53 virtual void check_and_handle_earlyret(Register java_thread);
duke@435 54
duke@435 55 // base routine for all dispatches
duke@435 56 void dispatch_base(TosState state, address* table, bool verifyoop = true);
duke@435 57 #endif /* CC_INTERP */
duke@435 58
duke@435 59 public:
duke@435 60 InterpreterMacroAssembler(CodeBuffer* code) : MacroAssembler(code) {}
duke@435 61
duke@435 62 void load_earlyret_value(TosState state);
duke@435 63
duke@435 64 // Interpreter-specific registers
duke@435 65 #ifdef CC_INTERP
duke@435 66 void save_bcp() { /* not needed in c++ interpreter and harmless */ }
duke@435 67 void restore_bcp() { /* not needed in c++ interpreter and harmless */ }
duke@435 68
duke@435 69 // Helpers for runtime call arguments/results
duke@435 70 void get_method(Register reg);
duke@435 71
duke@435 72 #else
duke@435 73
never@739 74 void save_bcp() { movptr(Address(rbp, frame::interpreter_frame_bcx_offset * wordSize), rsi); }
never@739 75 void restore_bcp() { movptr(rsi, Address(rbp, frame::interpreter_frame_bcx_offset * wordSize)); }
never@739 76 void restore_locals() { movptr(rdi, Address(rbp, frame::interpreter_frame_locals_offset * wordSize)); }
duke@435 77
duke@435 78 // Helpers for runtime call arguments/results
never@739 79 void get_method(Register reg) { movptr(reg, Address(rbp, frame::interpreter_frame_method_offset * wordSize)); }
coleenp@4037 80 void get_const(Register reg) { get_method(reg); movptr(reg, Address(reg, Method::const_offset())); }
coleenp@4037 81 void get_constant_pool(Register reg) { get_const(reg); movptr(reg, Address(reg, ConstMethod::constants_offset())); }
coleenp@4037 82 void get_constant_pool_cache(Register reg) { get_constant_pool(reg); movptr(reg, Address(reg, ConstantPool::cache_offset_in_bytes())); }
coleenp@4037 83 void get_cpool_and_tags(Register cpool, Register tags) { get_constant_pool(cpool); movptr(tags, Address(cpool, ConstantPool::tags_offset_in_bytes()));
duke@435 84 }
duke@435 85 void get_unsigned_2_byte_index_at_bcp(Register reg, int bcp_offset);
jrose@1920 86 void get_cache_and_index_at_bcp(Register cache, Register index, int bcp_offset, size_t index_size = sizeof(u2));
twisti@3050 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));
jrose@1920 88 void get_cache_entry_pointer_at_bcp(Register cache, Register tmp, int bcp_offset, size_t index_size = sizeof(u2));
jrose@1920 89 void get_cache_index_at_bcp(Register index, int bcp_offset, size_t index_size = sizeof(u2));
duke@435 90
coleenp@4037 91 // load cpool->resolved_references(index);
coleenp@4037 92 void load_resolved_reference_at_index(Register result, Register index);
coleenp@4037 93
duke@435 94 // Expression stack
duke@435 95 void f2ieee(); // truncate ftos to 32bits
duke@435 96 void d2ieee(); // truncate dtos to 64bits
duke@435 97
duke@435 98 void pop_ptr(Register r = rax);
duke@435 99 void pop_i(Register r = rax);
duke@435 100 void pop_l(Register lo = rax, Register hi = rdx);
duke@435 101 void pop_f();
duke@435 102 void pop_d();
duke@435 103
duke@435 104 void push_ptr(Register r = rax);
duke@435 105 void push_i(Register r = rax);
duke@435 106 void push_l(Register lo = rax, Register hi = rdx);
duke@435 107 void push_d(Register r = rax);
duke@435 108 void push_f();
duke@435 109
duke@435 110 void pop(TosState state); // transition vtos -> state
duke@435 111 void push(TosState state); // transition state -> vtos
duke@435 112
never@739 113 void pop(Register r ) { ((MacroAssembler*)this)->pop(r); }
never@739 114
never@739 115 void push(Register r ) { ((MacroAssembler*)this)->push(r); }
never@739 116 void push(int32_t imm ) { ((MacroAssembler*)this)->push(imm); }
never@739 117
never@739 118 // These are dummies to prevent surprise implicit conversions to Register
never@739 119 void pop(void* v ); // Add unimplemented ambiguous method
never@739 120 void push(void* v ); // Add unimplemented ambiguous method
never@739 121
twisti@1861 122 void empty_expression_stack() {
twisti@1861 123 movptr(rsp, Address(rbp, frame::interpreter_frame_monitor_block_top_offset * wordSize));
twisti@1861 124 // NULL last_sp until next java call
twisti@1861 125 movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), NULL_WORD);
duke@435 126 }
duke@435 127
twisti@1861 128 // Helpers for swap and dup
twisti@1861 129 void load_ptr(int n, Register val);
twisti@1861 130 void store_ptr(int n, Register val);
duke@435 131
duke@435 132 // Generate a subtype check: branch to ok_is_subtype if sub_klass is
duke@435 133 // a subtype of super_klass. EAX holds the super_klass. Blows ECX
duke@435 134 // and EDI. Register sub_klass cannot be any of the above.
duke@435 135 void gen_subtype_check( Register sub_klass, Label &ok_is_subtype );
duke@435 136
duke@435 137 // Dispatching
duke@435 138 void dispatch_prolog(TosState state, int step = 0);
duke@435 139 void dispatch_epilog(TosState state, int step = 0);
duke@435 140 void dispatch_only(TosState state); // dispatch via rbx, (assume rbx, is loaded already)
duke@435 141 void dispatch_only_normal(TosState state); // dispatch normal table via rbx, (assume rbx, is loaded already)
duke@435 142 void dispatch_only_noverify(TosState state);
duke@435 143 void dispatch_next(TosState state, int step = 0); // load rbx, from [esi + step] and dispatch via rbx,
duke@435 144 void dispatch_via (TosState state, address* table); // load rbx, from [esi] and dispatch via rbx, and table
duke@435 145
duke@435 146
duke@435 147 // jump to an invoked target
jrose@1145 148 void prepare_to_jump_from_interpreted();
duke@435 149 void jump_from_interpreted(Register method, Register temp);
duke@435 150
duke@435 151 // Returning from interpreted functions
duke@435 152 //
duke@435 153 // Removes the current activation (incl. unlocking of monitors)
duke@435 154 // and sets up the return address. This code is also used for
duke@435 155 // exception unwindwing. In that case, we do not want to throw
duke@435 156 // IllegalMonitorStateExceptions, since that might get us into an
duke@435 157 // infinite rethrow exception loop.
duke@435 158 // Additionally this code is used for popFrame and earlyReturn.
duke@435 159 // In popFrame case we want to skip throwing an exception,
duke@435 160 // installing an exception, and notifying jvmdi.
duke@435 161 // In earlyReturn case we only want to skip throwing an exception
duke@435 162 // and installing an exception.
duke@435 163 void remove_activation(TosState state, Register ret_addr,
duke@435 164 bool throw_monitor_exception = true,
duke@435 165 bool install_monitor_exception = true,
duke@435 166 bool notify_jvmdi = true);
duke@435 167 #endif /* !CC_INTERP */
duke@435 168
duke@435 169 // Debugging
duke@435 170 void verify_oop(Register reg, TosState state = atos); // only if +VerifyOops && state == atos
duke@435 171 #ifndef CC_INTERP
duke@435 172 void verify_FPU(int stack_depth, TosState state = ftos); // only if +VerifyFPU && (state == ftos || state == dtos)
duke@435 173
duke@435 174 #endif /* !CC_INTERP */
duke@435 175
duke@435 176 // Object locking
duke@435 177 void lock_object (Register lock_reg);
duke@435 178 void unlock_object(Register lock_reg);
duke@435 179
duke@435 180 #ifndef CC_INTERP
duke@435 181
duke@435 182 // Interpreter profiling operations
duke@435 183 void set_method_data_pointer_for_bcp();
duke@435 184 void test_method_data_pointer(Register mdp, Label& zero_continue);
duke@435 185 void verify_method_data_pointer();
duke@435 186
duke@435 187 void set_mdp_data_at(Register mdp_in, int constant, Register value);
duke@435 188 void increment_mdp_data_at(Address data, bool decrement = false);
duke@435 189 void increment_mdp_data_at(Register mdp_in, int constant,
duke@435 190 bool decrement = false);
duke@435 191 void increment_mdp_data_at(Register mdp_in, Register reg, int constant,
duke@435 192 bool decrement = false);
iveresov@2138 193 void increment_mask_and_jump(Address counter_addr,
iveresov@2138 194 int increment, int mask,
iveresov@2138 195 Register scratch, bool preloaded,
iveresov@2138 196 Condition cond, Label* where);
duke@435 197 void set_mdp_flag_at(Register mdp_in, int flag_constant);
duke@435 198 void test_mdp_data_at(Register mdp_in, int offset, Register value,
duke@435 199 Register test_value_out,
duke@435 200 Label& not_equal_continue);
duke@435 201
duke@435 202 void record_klass_in_profile(Register receiver, Register mdp,
kvn@1641 203 Register reg2, bool is_virtual_call);
duke@435 204 void record_klass_in_profile_helper(Register receiver, Register mdp,
kvn@1641 205 Register reg2, int start_row,
kvn@1641 206 Label& done, bool is_virtual_call);
duke@435 207
duke@435 208 void update_mdp_by_offset(Register mdp_in, int offset_of_offset);
duke@435 209 void update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp);
duke@435 210 void update_mdp_by_constant(Register mdp_in, int constant);
duke@435 211 void update_mdp_for_ret(Register return_bci);
duke@435 212
duke@435 213 void profile_taken_branch(Register mdp, Register bumped_count);
duke@435 214 void profile_not_taken_branch(Register mdp);
duke@435 215 void profile_call(Register mdp);
duke@435 216 void profile_final_call(Register mdp);
jrose@1161 217 void profile_virtual_call(Register receiver, Register mdp, Register scratch2,
jrose@1161 218 bool receiver_can_be_null = false);
duke@435 219 void profile_ret(Register return_bci, Register mdp);
duke@435 220 void profile_null_seen(Register mdp);
duke@435 221 void profile_typecheck(Register mdp, Register klass, Register scratch);
duke@435 222 void profile_typecheck_failed(Register mdp);
duke@435 223 void profile_switch_default(Register mdp);
duke@435 224 void profile_switch_case(Register index_in_scratch, Register mdp, Register scratch2);
duke@435 225
duke@435 226 #endif /* !CC_INTERP */
duke@435 227
duke@435 228 typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode;
duke@435 229
duke@435 230 // support for jvmti
duke@435 231 void notify_method_entry();
duke@435 232 void notify_method_exit(TosState state, NotifyMethodExitMode mode);
duke@435 233
duke@435 234 };
stefank@2314 235
stefank@2314 236 #endif // CPU_X86_VM_INTERP_MASM_X86_32_HPP

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