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src/cpu/x86/vm/interp_masm_x86_64.hpp@8b46b0196eb0 (annotated)

src/cpu/x86/vm/interp_masm_x86_64.hpp

Fri, 25 Jan 2013 10:04:08 -0500

author
zgu
date
Fri, 25 Jan 2013 10:04:08 -0500
changeset 4492
8b46b0196eb0
parent 4318
cd3d6a6b95d9
child 4936
aeaca88565e6
permissions
-rw-r--r--

8000692: Remove old KERNEL code
Summary: Removed depreciated kernel VM source code from hotspot VM
Reviewed-by: dholmes, acorn

duke@435 1 /*
jiangli@3826 2 * Copyright (c) 2003, 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_64_HPP
stefank@2314 26 #define CPU_X86_VM_INTERP_MASM_X86_64_HPP
stefank@2314 27
twisti@4318 28 #include "asm/macroAssembler.hpp"
twisti@4318 29 #include "asm/macroAssembler.inline.hpp"
stefank@2314 30 #include "interpreter/invocationCounter.hpp"
twisti@4318 31 #include "runtime/frame.hpp"
stefank@2314 32
duke@435 33 // This file specializes the assember with interpreter-specific macros
duke@435 34
duke@435 35
never@739 36 class InterpreterMacroAssembler: public MacroAssembler {
never@739 37 #ifndef CC_INTERP
duke@435 38 protected:
duke@435 39 // Interpreter specific version of call_VM_base
duke@435 40 virtual void call_VM_leaf_base(address entry_point,
duke@435 41 int number_of_arguments);
duke@435 42
duke@435 43 virtual void call_VM_base(Register oop_result,
duke@435 44 Register java_thread,
duke@435 45 Register last_java_sp,
duke@435 46 address entry_point,
duke@435 47 int number_of_arguments,
duke@435 48 bool check_exceptions);
duke@435 49
duke@435 50 virtual void check_and_handle_popframe(Register java_thread);
duke@435 51 virtual void check_and_handle_earlyret(Register java_thread);
duke@435 52
duke@435 53 // base routine for all dispatches
duke@435 54 void dispatch_base(TosState state, address* table, bool verifyoop = true);
never@739 55 #endif // CC_INTERP
duke@435 56
duke@435 57 public:
never@739 58 InterpreterMacroAssembler(CodeBuffer* code) : MacroAssembler(code) {}
duke@435 59
duke@435 60 void load_earlyret_value(TosState state);
duke@435 61
never@739 62 #ifdef CC_INTERP
never@739 63 void save_bcp() { /* not needed in c++ interpreter and harmless */ }
never@739 64 void restore_bcp() { /* not needed in c++ interpreter and harmless */ }
never@739 65
never@739 66 // Helpers for runtime call arguments/results
never@739 67 void get_method(Register reg);
never@739 68
never@739 69 #else
never@739 70
duke@435 71 // Interpreter-specific registers
never@739 72 void save_bcp() {
never@739 73 movptr(Address(rbp, frame::interpreter_frame_bcx_offset * wordSize), r13);
duke@435 74 }
duke@435 75
never@739 76 void restore_bcp() {
never@739 77 movptr(r13, Address(rbp, frame::interpreter_frame_bcx_offset * wordSize));
duke@435 78 }
duke@435 79
never@739 80 void restore_locals() {
never@739 81 movptr(r14, Address(rbp, frame::interpreter_frame_locals_offset * wordSize));
duke@435 82 }
duke@435 83
duke@435 84 // Helpers for runtime call arguments/results
never@739 85 void get_method(Register reg) {
never@739 86 movptr(reg, Address(rbp, frame::interpreter_frame_method_offset * wordSize));
duke@435 87 }
duke@435 88
jiangli@3826 89 void get_const(Register reg) {
jiangli@3826 90 get_method(reg);
coleenp@4037 91 movptr(reg, Address(reg, Method::const_offset()));
jiangli@3826 92 }
jiangli@3826 93
never@739 94 void get_constant_pool(Register reg) {
jiangli@3826 95 get_const(reg);
coleenp@4037 96 movptr(reg, Address(reg, ConstMethod::constants_offset()));
duke@435 97 }
duke@435 98
never@739 99 void get_constant_pool_cache(Register reg) {
duke@435 100 get_constant_pool(reg);
coleenp@4037 101 movptr(reg, Address(reg, ConstantPool::cache_offset_in_bytes()));
duke@435 102 }
duke@435 103
never@739 104 void get_cpool_and_tags(Register cpool, Register tags) {
duke@435 105 get_constant_pool(cpool);
coleenp@4037 106 movptr(tags, Address(cpool, ConstantPool::tags_offset_in_bytes()));
duke@435 107 }
duke@435 108
duke@435 109 void get_unsigned_2_byte_index_at_bcp(Register reg, int bcp_offset);
twisti@3050 110 void get_cache_and_index_at_bcp(Register cache, Register index, int bcp_offset, size_t index_size = sizeof(u2));
twisti@3050 111 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));
twisti@3050 112 void get_cache_entry_pointer_at_bcp(Register cache, Register tmp, int bcp_offset, size_t index_size = sizeof(u2));
jrose@1920 113 void get_cache_index_at_bcp(Register index, int bcp_offset, size_t index_size = sizeof(u2));
duke@435 114
coleenp@4037 115 // load cpool->resolved_references(index);
coleenp@4037 116 void load_resolved_reference_at_index(Register result, Register index);
coleenp@4037 117
duke@435 118 void pop_ptr(Register r = rax);
duke@435 119 void pop_i(Register r = rax);
duke@435 120 void pop_l(Register r = rax);
duke@435 121 void pop_f(XMMRegister r = xmm0);
duke@435 122 void pop_d(XMMRegister r = xmm0);
duke@435 123 void push_ptr(Register r = rax);
duke@435 124 void push_i(Register r = rax);
duke@435 125 void push_l(Register r = rax);
duke@435 126 void push_f(XMMRegister r = xmm0);
duke@435 127 void push_d(XMMRegister r = xmm0);
duke@435 128
never@739 129 void pop(Register r ) { ((MacroAssembler*)this)->pop(r); }
never@739 130
never@739 131 void push(Register r ) { ((MacroAssembler*)this)->push(r); }
never@739 132 void push(int32_t imm ) { ((MacroAssembler*)this)->push(imm); }
never@739 133
duke@435 134 void pop(TosState state); // transition vtos -> state
duke@435 135 void push(TosState state); // transition state -> vtos
duke@435 136
twisti@1861 137 void empty_expression_stack() {
never@739 138 movptr(rsp, Address(rbp, frame::interpreter_frame_monitor_block_top_offset * wordSize));
duke@435 139 // NULL last_sp until next java call
never@739 140 movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD);
duke@435 141 }
duke@435 142
twisti@1861 143 // Helpers for swap and dup
twisti@1861 144 void load_ptr(int n, Register val);
twisti@1861 145 void store_ptr(int n, Register val);
twisti@1861 146
duke@435 147 // Generate a subtype check: branch to ok_is_subtype if sub_klass is
duke@435 148 // a subtype of super_klass.
duke@435 149 void gen_subtype_check( Register sub_klass, Label &ok_is_subtype );
duke@435 150
duke@435 151 // Dispatching
duke@435 152 void dispatch_prolog(TosState state, int step = 0);
duke@435 153 void dispatch_epilog(TosState state, int step = 0);
duke@435 154 // dispatch via ebx (assume ebx is loaded already)
duke@435 155 void dispatch_only(TosState state);
duke@435 156 // dispatch normal table via ebx (assume ebx is loaded already)
duke@435 157 void dispatch_only_normal(TosState state);
duke@435 158 void dispatch_only_noverify(TosState state);
duke@435 159 // load ebx from [esi + step] and dispatch via ebx
duke@435 160 void dispatch_next(TosState state, int step = 0);
duke@435 161 // load ebx from [esi] and dispatch via ebx and table
duke@435 162 void dispatch_via (TosState state, address* table);
duke@435 163
duke@435 164 // jump to an invoked target
jrose@1145 165 void prepare_to_jump_from_interpreted();
duke@435 166 void jump_from_interpreted(Register method, Register temp);
duke@435 167
duke@435 168
duke@435 169 // Returning from interpreted functions
duke@435 170 //
duke@435 171 // Removes the current activation (incl. unlocking of monitors)
duke@435 172 // and sets up the return address. This code is also used for
duke@435 173 // exception unwindwing. In that case, we do not want to throw
duke@435 174 // IllegalMonitorStateExceptions, since that might get us into an
duke@435 175 // infinite rethrow exception loop.
duke@435 176 // Additionally this code is used for popFrame and earlyReturn.
duke@435 177 // In popFrame case we want to skip throwing an exception,
duke@435 178 // installing an exception, and notifying jvmdi.
duke@435 179 // In earlyReturn case we only want to skip throwing an exception
duke@435 180 // and installing an exception.
duke@435 181 void remove_activation(TosState state, Register ret_addr,
duke@435 182 bool throw_monitor_exception = true,
duke@435 183 bool install_monitor_exception = true,
duke@435 184 bool notify_jvmdi = true);
never@739 185 #endif // CC_INTERP
duke@435 186
duke@435 187 // Object locking
duke@435 188 void lock_object (Register lock_reg);
duke@435 189 void unlock_object(Register lock_reg);
duke@435 190
never@739 191 #ifndef CC_INTERP
never@739 192
duke@435 193 // Interpreter profiling operations
duke@435 194 void set_method_data_pointer_for_bcp();
duke@435 195 void test_method_data_pointer(Register mdp, Label& zero_continue);
duke@435 196 void verify_method_data_pointer();
duke@435 197
duke@435 198 void set_mdp_data_at(Register mdp_in, int constant, Register value);
duke@435 199 void increment_mdp_data_at(Address data, bool decrement = false);
duke@435 200 void increment_mdp_data_at(Register mdp_in, int constant,
duke@435 201 bool decrement = false);
duke@435 202 void increment_mdp_data_at(Register mdp_in, Register reg, int constant,
duke@435 203 bool decrement = false);
iveresov@2138 204 void increment_mask_and_jump(Address counter_addr,
iveresov@2138 205 int increment, int mask,
iveresov@2138 206 Register scratch, bool preloaded,
iveresov@2138 207 Condition cond, Label* where);
duke@435 208 void set_mdp_flag_at(Register mdp_in, int flag_constant);
duke@435 209 void test_mdp_data_at(Register mdp_in, int offset, Register value,
duke@435 210 Register test_value_out,
duke@435 211 Label& not_equal_continue);
duke@435 212
duke@435 213 void record_klass_in_profile(Register receiver, Register mdp,
kvn@1641 214 Register reg2, bool is_virtual_call);
duke@435 215 void record_klass_in_profile_helper(Register receiver, Register mdp,
kvn@1641 216 Register reg2, int start_row,
kvn@1641 217 Label& done, bool is_virtual_call);
duke@435 218
duke@435 219 void update_mdp_by_offset(Register mdp_in, int offset_of_offset);
duke@435 220 void update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp);
duke@435 221 void update_mdp_by_constant(Register mdp_in, int constant);
duke@435 222 void update_mdp_for_ret(Register return_bci);
duke@435 223
duke@435 224 void profile_taken_branch(Register mdp, Register bumped_count);
duke@435 225 void profile_not_taken_branch(Register mdp);
duke@435 226 void profile_call(Register mdp);
duke@435 227 void profile_final_call(Register mdp);
duke@435 228 void profile_virtual_call(Register receiver, Register mdp,
twisti@1543 229 Register scratch2,
twisti@1543 230 bool receiver_can_be_null = false);
duke@435 231 void profile_ret(Register return_bci, Register mdp);
duke@435 232 void profile_null_seen(Register mdp);
duke@435 233 void profile_typecheck(Register mdp, Register klass, Register scratch);
duke@435 234 void profile_typecheck_failed(Register mdp);
duke@435 235 void profile_switch_default(Register mdp);
duke@435 236 void profile_switch_case(Register index_in_scratch, Register mdp,
duke@435 237 Register scratch2);
duke@435 238
duke@435 239 // Debugging
duke@435 240 // only if +VerifyOops && state == atos
duke@435 241 void verify_oop(Register reg, TosState state = atos);
duke@435 242 // only if +VerifyFPU && (state == ftos || state == dtos)
duke@435 243 void verify_FPU(int stack_depth, TosState state = ftos);
duke@435 244
never@739 245 #endif // !CC_INTERP
never@739 246
duke@435 247 typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode;
duke@435 248
duke@435 249 // support for jvmti/dtrace
duke@435 250 void notify_method_entry();
duke@435 251 void notify_method_exit(TosState state, NotifyMethodExitMode mode);
duke@435 252 };
stefank@2314 253
stefank@2314 254 #endif // CPU_X86_VM_INTERP_MASM_X86_64_HPP

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