Mercurial > jdk8-mips64-public > hotspot / annotate

src/cpu/x86/vm/interp_masm_x86_64.hpp@e66fd840cb6b (annotated)

src/cpu/x86/vm/interp_masm_x86_64.hpp

Mon, 04 Jan 2010 18:38:08 +0100

author
twisti
date
Mon, 04 Jan 2010 18:38:08 +0100
changeset 1570
e66fd840cb6b
parent 1543
85f13cdfbc1d
child 1641
87684f1a88b5
permissions
-rw-r--r--

6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
Summary: During the work for 6829187 we have fixed a number of basic bugs which are logically grouped with 6815692 and 6858164 but which must be reviewed and pushed separately.
Reviewed-by: kvn, never

duke@435 1 /*
jrose@1145 2 * Copyright 2003-2009 Sun Microsystems, Inc. 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 *
duke@435 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435 20 * CA 95054 USA or visit www.sun.com if you need additional information or
duke@435 21 * have any questions.
duke@435 22 *
duke@435 23 */
duke@435 24
duke@435 25 // This file specializes the assember with interpreter-specific macros
duke@435 26
duke@435 27
never@739 28 class InterpreterMacroAssembler: public MacroAssembler {
never@739 29 #ifndef CC_INTERP
duke@435 30 protected:
duke@435 31 // Interpreter specific version of call_VM_base
duke@435 32 virtual void call_VM_leaf_base(address entry_point,
duke@435 33 int number_of_arguments);
duke@435 34
duke@435 35 virtual void call_VM_base(Register oop_result,
duke@435 36 Register java_thread,
duke@435 37 Register last_java_sp,
duke@435 38 address entry_point,
duke@435 39 int number_of_arguments,
duke@435 40 bool check_exceptions);
duke@435 41
duke@435 42 virtual void check_and_handle_popframe(Register java_thread);
duke@435 43 virtual void check_and_handle_earlyret(Register java_thread);
duke@435 44
duke@435 45 // base routine for all dispatches
duke@435 46 void dispatch_base(TosState state, address* table, bool verifyoop = true);
never@739 47 #endif // CC_INTERP
duke@435 48
duke@435 49 public:
never@739 50 InterpreterMacroAssembler(CodeBuffer* code) : MacroAssembler(code) {}
duke@435 51
duke@435 52 void load_earlyret_value(TosState state);
duke@435 53
never@739 54 #ifdef CC_INTERP
never@739 55 void save_bcp() { /* not needed in c++ interpreter and harmless */ }
never@739 56 void restore_bcp() { /* not needed in c++ interpreter and harmless */ }
never@739 57
never@739 58 // Helpers for runtime call arguments/results
never@739 59 void get_method(Register reg);
never@739 60
never@739 61 #else
never@739 62
duke@435 63 // Interpreter-specific registers
never@739 64 void save_bcp() {
never@739 65 movptr(Address(rbp, frame::interpreter_frame_bcx_offset * wordSize), r13);
duke@435 66 }
duke@435 67
never@739 68 void restore_bcp() {
never@739 69 movptr(r13, Address(rbp, frame::interpreter_frame_bcx_offset * wordSize));
duke@435 70 }
duke@435 71
never@739 72 void restore_locals() {
never@739 73 movptr(r14, Address(rbp, frame::interpreter_frame_locals_offset * wordSize));
duke@435 74 }
duke@435 75
duke@435 76 // Helpers for runtime call arguments/results
never@739 77 void get_method(Register reg) {
never@739 78 movptr(reg, Address(rbp, frame::interpreter_frame_method_offset * wordSize));
duke@435 79 }
duke@435 80
never@739 81 void get_constant_pool(Register reg) {
duke@435 82 get_method(reg);
never@739 83 movptr(reg, Address(reg, methodOopDesc::constants_offset()));
duke@435 84 }
duke@435 85
never@739 86 void get_constant_pool_cache(Register reg) {
duke@435 87 get_constant_pool(reg);
never@739 88 movptr(reg, Address(reg, constantPoolOopDesc::cache_offset_in_bytes()));
duke@435 89 }
duke@435 90
never@739 91 void get_cpool_and_tags(Register cpool, Register tags) {
duke@435 92 get_constant_pool(cpool);
never@739 93 movptr(tags, Address(cpool, constantPoolOopDesc::tags_offset_in_bytes()));
duke@435 94 }
duke@435 95
duke@435 96 void get_unsigned_2_byte_index_at_bcp(Register reg, int bcp_offset);
duke@435 97 void get_cache_and_index_at_bcp(Register cache, Register index,
twisti@1543 98 int bcp_offset, bool giant_index = false);
duke@435 99 void get_cache_entry_pointer_at_bcp(Register cache, Register tmp,
twisti@1543 100 int bcp_offset, bool giant_index = false);
twisti@1543 101 void get_cache_index_at_bcp(Register index, int bcp_offset, bool giant_index = false);
duke@435 102
never@739 103
duke@435 104 void pop_ptr(Register r = rax);
duke@435 105 void pop_i(Register r = rax);
duke@435 106 void pop_l(Register r = rax);
duke@435 107 void pop_f(XMMRegister r = xmm0);
duke@435 108 void pop_d(XMMRegister r = xmm0);
duke@435 109 void push_ptr(Register r = rax);
duke@435 110 void push_i(Register r = rax);
duke@435 111 void push_l(Register r = rax);
duke@435 112 void push_f(XMMRegister r = xmm0);
duke@435 113 void push_d(XMMRegister r = xmm0);
duke@435 114
never@739 115 void pop(Register r ) { ((MacroAssembler*)this)->pop(r); }
never@739 116
never@739 117 void push(Register r ) { ((MacroAssembler*)this)->push(r); }
never@739 118 void push(int32_t imm ) { ((MacroAssembler*)this)->push(imm); }
never@739 119
duke@435 120 void pop(TosState state); // transition vtos -> state
duke@435 121 void push(TosState state); // transition state -> vtos
duke@435 122
duke@435 123 // Tagged stack support, pop and push both tag and value.
duke@435 124 void pop_ptr(Register r, Register tag);
duke@435 125 void push_ptr(Register r, Register tag);
never@739 126 #endif // CC_INTERP
duke@435 127
duke@435 128 DEBUG_ONLY(void verify_stack_tag(frame::Tag t);)
duke@435 129
never@739 130 #ifndef CC_INTERP
never@739 131
duke@435 132 // Tagged stack helpers for swap and dup
duke@435 133 void load_ptr_and_tag(int n, Register val, Register tag);
duke@435 134 void store_ptr_and_tag(int n, Register val, Register tag);
duke@435 135
duke@435 136 // Tagged Local support
duke@435 137 void tag_local(frame::Tag tag, int n);
duke@435 138 void tag_local(Register tag, int n);
duke@435 139 void tag_local(frame::Tag tag, Register idx);
duke@435 140 void tag_local(Register tag, Register idx);
duke@435 141
duke@435 142 #ifdef ASSERT
duke@435 143 void verify_local_tag(frame::Tag tag, int n);
duke@435 144 void verify_local_tag(frame::Tag tag, Register idx);
duke@435 145 #endif // ASSERT
duke@435 146
never@739 147
duke@435 148 void empty_expression_stack()
duke@435 149 {
never@739 150 movptr(rsp, Address(rbp, frame::interpreter_frame_monitor_block_top_offset * wordSize));
duke@435 151 // NULL last_sp until next java call
never@739 152 movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD);
duke@435 153 }
duke@435 154
duke@435 155 // Super call_VM calls - correspond to MacroAssembler::call_VM(_leaf) calls
duke@435 156 void super_call_VM_leaf(address entry_point);
duke@435 157 void super_call_VM_leaf(address entry_point, Register arg_1);
duke@435 158 void super_call_VM_leaf(address entry_point, Register arg_1, Register arg_2);
duke@435 159 void super_call_VM_leaf(address entry_point,
duke@435 160 Register arg_1, Register arg_2, Register arg_3);
duke@435 161
duke@435 162 // Generate a subtype check: branch to ok_is_subtype if sub_klass is
duke@435 163 // a subtype of super_klass.
duke@435 164 void gen_subtype_check( Register sub_klass, Label &ok_is_subtype );
duke@435 165
duke@435 166 // Dispatching
duke@435 167 void dispatch_prolog(TosState state, int step = 0);
duke@435 168 void dispatch_epilog(TosState state, int step = 0);
duke@435 169 // dispatch via ebx (assume ebx is loaded already)
duke@435 170 void dispatch_only(TosState state);
duke@435 171 // dispatch normal table via ebx (assume ebx is loaded already)
duke@435 172 void dispatch_only_normal(TosState state);
duke@435 173 void dispatch_only_noverify(TosState state);
duke@435 174 // load ebx from [esi + step] and dispatch via ebx
duke@435 175 void dispatch_next(TosState state, int step = 0);
duke@435 176 // load ebx from [esi] and dispatch via ebx and table
duke@435 177 void dispatch_via (TosState state, address* table);
duke@435 178
duke@435 179 // jump to an invoked target
jrose@1145 180 void prepare_to_jump_from_interpreted();
duke@435 181 void jump_from_interpreted(Register method, Register temp);
duke@435 182
duke@435 183
duke@435 184 // Returning from interpreted functions
duke@435 185 //
duke@435 186 // Removes the current activation (incl. unlocking of monitors)
duke@435 187 // and sets up the return address. This code is also used for
duke@435 188 // exception unwindwing. In that case, we do not want to throw
duke@435 189 // IllegalMonitorStateExceptions, since that might get us into an
duke@435 190 // infinite rethrow exception loop.
duke@435 191 // Additionally this code is used for popFrame and earlyReturn.
duke@435 192 // In popFrame case we want to skip throwing an exception,
duke@435 193 // installing an exception, and notifying jvmdi.
duke@435 194 // In earlyReturn case we only want to skip throwing an exception
duke@435 195 // and installing an exception.
duke@435 196 void remove_activation(TosState state, Register ret_addr,
duke@435 197 bool throw_monitor_exception = true,
duke@435 198 bool install_monitor_exception = true,
duke@435 199 bool notify_jvmdi = true);
never@739 200 #endif // CC_INTERP
duke@435 201
duke@435 202 // Object locking
duke@435 203 void lock_object (Register lock_reg);
duke@435 204 void unlock_object(Register lock_reg);
duke@435 205
never@739 206 #ifndef CC_INTERP
never@739 207
duke@435 208 // Interpreter profiling operations
duke@435 209 void set_method_data_pointer_for_bcp();
duke@435 210 void test_method_data_pointer(Register mdp, Label& zero_continue);
duke@435 211 void verify_method_data_pointer();
duke@435 212
duke@435 213 void set_mdp_data_at(Register mdp_in, int constant, Register value);
duke@435 214 void increment_mdp_data_at(Address data, bool decrement = false);
duke@435 215 void increment_mdp_data_at(Register mdp_in, int constant,
duke@435 216 bool decrement = false);
duke@435 217 void increment_mdp_data_at(Register mdp_in, Register reg, int constant,
duke@435 218 bool decrement = false);
duke@435 219 void set_mdp_flag_at(Register mdp_in, int flag_constant);
duke@435 220 void test_mdp_data_at(Register mdp_in, int offset, Register value,
duke@435 221 Register test_value_out,
duke@435 222 Label& not_equal_continue);
duke@435 223
duke@435 224 void record_klass_in_profile(Register receiver, Register mdp,
duke@435 225 Register reg2);
duke@435 226 void record_klass_in_profile_helper(Register receiver, Register mdp,
duke@435 227 Register reg2,
duke@435 228 int start_row, Label& done);
duke@435 229
duke@435 230 void update_mdp_by_offset(Register mdp_in, int offset_of_offset);
duke@435 231 void update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp);
duke@435 232 void update_mdp_by_constant(Register mdp_in, int constant);
duke@435 233 void update_mdp_for_ret(Register return_bci);
duke@435 234
duke@435 235 void profile_taken_branch(Register mdp, Register bumped_count);
duke@435 236 void profile_not_taken_branch(Register mdp);
duke@435 237 void profile_call(Register mdp);
duke@435 238 void profile_final_call(Register mdp);
duke@435 239 void profile_virtual_call(Register receiver, Register mdp,
twisti@1543 240 Register scratch2,
twisti@1543 241 bool receiver_can_be_null = false);
duke@435 242 void profile_ret(Register return_bci, Register mdp);
duke@435 243 void profile_null_seen(Register mdp);
duke@435 244 void profile_typecheck(Register mdp, Register klass, Register scratch);
duke@435 245 void profile_typecheck_failed(Register mdp);
duke@435 246 void profile_switch_default(Register mdp);
duke@435 247 void profile_switch_case(Register index_in_scratch, Register mdp,
duke@435 248 Register scratch2);
duke@435 249
duke@435 250 // Debugging
duke@435 251 // only if +VerifyOops && state == atos
duke@435 252 void verify_oop(Register reg, TosState state = atos);
duke@435 253 // only if +VerifyFPU && (state == ftos || state == dtos)
duke@435 254 void verify_FPU(int stack_depth, TosState state = ftos);
duke@435 255
never@739 256 #endif // !CC_INTERP
never@739 257
duke@435 258 typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode;
duke@435 259
duke@435 260 // support for jvmti/dtrace
duke@435 261 void notify_method_entry();
duke@435 262 void notify_method_exit(TosState state, NotifyMethodExitMode mode);
duke@435 263 };

Mercurial Repository: jdk8-mips64-public/hotspot

mercurial