Wed, 13 Oct 2010 01:19:43 -0700
6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
Reviewed-by: never, jrose
jrose@1145 | 1 | /* |
trims@1907 | 2 | * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved. |
jrose@1145 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
jrose@1145 | 4 | * |
jrose@1145 | 5 | * This code is free software; you can redistribute it and/or modify it |
jrose@1145 | 6 | * under the terms of the GNU General Public License version 2 only, as |
jrose@1145 | 7 | * published by the Free Software Foundation. |
jrose@1145 | 8 | * |
jrose@1145 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
jrose@1145 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
jrose@1145 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
jrose@1145 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
jrose@1145 | 13 | * accompanied this code). |
jrose@1145 | 14 | * |
jrose@1145 | 15 | * You should have received a copy of the GNU General Public License version |
jrose@1145 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
jrose@1145 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
jrose@1145 | 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. |
jrose@1145 | 22 | * |
jrose@1145 | 23 | */ |
jrose@1145 | 24 | |
jrose@1145 | 25 | #include "incls/_precompiled.incl" |
jrose@1145 | 26 | #include "incls/_methodHandles_sparc.cpp.incl" |
jrose@1145 | 27 | |
jrose@1145 | 28 | #define __ _masm-> |
jrose@1145 | 29 | |
twisti@2204 | 30 | #ifdef PRODUCT |
twisti@2204 | 31 | #define BLOCK_COMMENT(str) /* nothing */ |
twisti@2204 | 32 | #else |
twisti@2204 | 33 | #define BLOCK_COMMENT(str) __ block_comment(str) |
twisti@2204 | 34 | #endif |
twisti@2204 | 35 | |
twisti@2204 | 36 | #define BIND(label) bind(label); BLOCK_COMMENT(#label ":") |
twisti@2204 | 37 | |
jrose@1145 | 38 | address MethodHandleEntry::start_compiled_entry(MacroAssembler* _masm, |
jrose@1145 | 39 | address interpreted_entry) { |
twisti@1858 | 40 | // Just before the actual machine code entry point, allocate space |
twisti@1858 | 41 | // for a MethodHandleEntry::Data record, so that we can manage everything |
twisti@1858 | 42 | // from one base pointer. |
jrose@1145 | 43 | __ align(wordSize); |
jrose@1145 | 44 | address target = __ pc() + sizeof(Data); |
jrose@1145 | 45 | while (__ pc() < target) { |
jrose@1145 | 46 | __ nop(); |
jrose@1145 | 47 | __ align(wordSize); |
jrose@1145 | 48 | } |
jrose@1145 | 49 | |
jrose@1145 | 50 | MethodHandleEntry* me = (MethodHandleEntry*) __ pc(); |
jrose@1145 | 51 | me->set_end_address(__ pc()); // set a temporary end_address |
jrose@1145 | 52 | me->set_from_interpreted_entry(interpreted_entry); |
jrose@1145 | 53 | me->set_type_checking_entry(NULL); |
jrose@1145 | 54 | |
jrose@1145 | 55 | return (address) me; |
jrose@1145 | 56 | } |
jrose@1145 | 57 | |
jrose@1145 | 58 | MethodHandleEntry* MethodHandleEntry::finish_compiled_entry(MacroAssembler* _masm, |
jrose@1145 | 59 | address start_addr) { |
jrose@1145 | 60 | MethodHandleEntry* me = (MethodHandleEntry*) start_addr; |
jrose@1145 | 61 | assert(me->end_address() == start_addr, "valid ME"); |
jrose@1145 | 62 | |
jrose@1145 | 63 | // Fill in the real end_address: |
jrose@1145 | 64 | __ align(wordSize); |
jrose@1145 | 65 | me->set_end_address(__ pc()); |
jrose@1145 | 66 | |
jrose@1145 | 67 | return me; |
jrose@1145 | 68 | } |
jrose@1145 | 69 | |
jrose@1145 | 70 | |
jrose@1145 | 71 | // Code generation |
jrose@1145 | 72 | address MethodHandles::generate_method_handle_interpreter_entry(MacroAssembler* _masm) { |
twisti@1858 | 73 | // I5_savedSP: sender SP (must preserve) |
twisti@1858 | 74 | // G4 (Gargs): incoming argument list (must preserve) |
twisti@1858 | 75 | // G5_method: invoke methodOop; becomes method type. |
twisti@1858 | 76 | // G3_method_handle: receiver method handle (must load from sp[MethodTypeForm.vmslots]) |
twisti@1858 | 77 | // O0, O1: garbage temps, blown away |
twisti@1858 | 78 | Register O0_argslot = O0; |
twisti@1858 | 79 | Register O1_scratch = O1; |
twisti@1858 | 80 | |
twisti@1858 | 81 | // emit WrongMethodType path first, to enable back-branch from main path |
twisti@1858 | 82 | Label wrong_method_type; |
twisti@1858 | 83 | __ bind(wrong_method_type); |
twisti@1858 | 84 | __ jump_to(AddressLiteral(Interpreter::throw_WrongMethodType_entry()), O1_scratch); |
twisti@1858 | 85 | __ delayed()->nop(); |
twisti@1858 | 86 | |
twisti@1858 | 87 | // here's where control starts out: |
twisti@1858 | 88 | __ align(CodeEntryAlignment); |
twisti@1858 | 89 | address entry_point = __ pc(); |
twisti@1858 | 90 | |
twisti@1858 | 91 | // fetch the MethodType from the method handle into G5_method_type |
twisti@1858 | 92 | { |
twisti@1858 | 93 | Register tem = G5_method; |
twisti@1858 | 94 | assert(tem == G5_method_type, "yes, it's the same register"); |
twisti@1858 | 95 | for (jint* pchase = methodOopDesc::method_type_offsets_chain(); (*pchase) != -1; pchase++) { |
twisti@1858 | 96 | __ ld_ptr(Address(tem, *pchase), G5_method_type); |
twisti@1858 | 97 | } |
twisti@1858 | 98 | } |
twisti@1858 | 99 | |
twisti@1858 | 100 | // given the MethodType, find out where the MH argument is buried |
twisti@2201 | 101 | __ load_heap_oop(Address(G5_method_type, __ delayed_value(java_dyn_MethodType::form_offset_in_bytes, O1_scratch)), O0_argslot); |
twisti@2201 | 102 | __ ldsw( Address(O0_argslot, __ delayed_value(java_dyn_MethodTypeForm::vmslots_offset_in_bytes, O1_scratch)), O0_argslot); |
twisti@1858 | 103 | __ ld_ptr(__ argument_address(O0_argslot), G3_method_handle); |
twisti@1858 | 104 | |
twisti@1858 | 105 | __ check_method_handle_type(G5_method_type, G3_method_handle, O1_scratch, wrong_method_type); |
twisti@1858 | 106 | __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); |
twisti@1858 | 107 | |
twisti@1858 | 108 | return entry_point; |
jrose@1145 | 109 | } |
jrose@1145 | 110 | |
twisti@1858 | 111 | |
twisti@1858 | 112 | #ifdef ASSERT |
twisti@1858 | 113 | static void verify_argslot(MacroAssembler* _masm, Register argslot_reg, Register temp_reg, const char* error_message) { |
twisti@1858 | 114 | // Verify that argslot lies within (Gargs, FP]. |
twisti@1858 | 115 | Label L_ok, L_bad; |
twisti@2204 | 116 | BLOCK_COMMENT("{ verify_argslot"); |
twisti@1858 | 117 | #ifdef _LP64 |
twisti@1858 | 118 | __ add(FP, STACK_BIAS, temp_reg); |
twisti@1858 | 119 | __ cmp(argslot_reg, temp_reg); |
twisti@1858 | 120 | #else |
twisti@1858 | 121 | __ cmp(argslot_reg, FP); |
twisti@1858 | 122 | #endif |
twisti@1858 | 123 | __ brx(Assembler::greaterUnsigned, false, Assembler::pn, L_bad); |
twisti@1858 | 124 | __ delayed()->nop(); |
twisti@1858 | 125 | __ cmp(Gargs, argslot_reg); |
twisti@1858 | 126 | __ brx(Assembler::lessEqualUnsigned, false, Assembler::pt, L_ok); |
twisti@1858 | 127 | __ delayed()->nop(); |
twisti@1858 | 128 | __ bind(L_bad); |
twisti@1858 | 129 | __ stop(error_message); |
twisti@1858 | 130 | __ bind(L_ok); |
twisti@2204 | 131 | BLOCK_COMMENT("} verify_argslot"); |
twisti@1858 | 132 | } |
twisti@1858 | 133 | #endif |
twisti@1858 | 134 | |
twisti@1858 | 135 | |
twisti@1858 | 136 | // Helper to insert argument slots into the stack. |
twisti@1858 | 137 | // arg_slots must be a multiple of stack_move_unit() and <= 0 |
twisti@1858 | 138 | void MethodHandles::insert_arg_slots(MacroAssembler* _masm, |
twisti@1858 | 139 | RegisterOrConstant arg_slots, |
twisti@1858 | 140 | int arg_mask, |
twisti@1858 | 141 | Register argslot_reg, |
twisti@1858 | 142 | Register temp_reg, Register temp2_reg, Register temp3_reg) { |
twisti@1858 | 143 | assert(temp3_reg != noreg, "temp3 required"); |
twisti@1858 | 144 | assert_different_registers(argslot_reg, temp_reg, temp2_reg, temp3_reg, |
twisti@1858 | 145 | (!arg_slots.is_register() ? Gargs : arg_slots.as_register())); |
twisti@1858 | 146 | |
twisti@1858 | 147 | #ifdef ASSERT |
twisti@1858 | 148 | verify_argslot(_masm, argslot_reg, temp_reg, "insertion point must fall within current frame"); |
twisti@1858 | 149 | if (arg_slots.is_register()) { |
twisti@1858 | 150 | Label L_ok, L_bad; |
twisti@1858 | 151 | __ cmp(arg_slots.as_register(), (int32_t) NULL_WORD); |
twisti@1858 | 152 | __ br(Assembler::greater, false, Assembler::pn, L_bad); |
twisti@1858 | 153 | __ delayed()->nop(); |
twisti@1858 | 154 | __ btst(-stack_move_unit() - 1, arg_slots.as_register()); |
twisti@1858 | 155 | __ br(Assembler::zero, false, Assembler::pt, L_ok); |
twisti@1858 | 156 | __ delayed()->nop(); |
twisti@1858 | 157 | __ bind(L_bad); |
twisti@1858 | 158 | __ stop("assert arg_slots <= 0 and clear low bits"); |
twisti@1858 | 159 | __ bind(L_ok); |
twisti@1858 | 160 | } else { |
twisti@1858 | 161 | assert(arg_slots.as_constant() <= 0, ""); |
twisti@1858 | 162 | assert(arg_slots.as_constant() % -stack_move_unit() == 0, ""); |
twisti@1858 | 163 | } |
twisti@1858 | 164 | #endif // ASSERT |
twisti@1858 | 165 | |
twisti@1858 | 166 | #ifdef _LP64 |
twisti@1858 | 167 | if (arg_slots.is_register()) { |
twisti@1858 | 168 | // Was arg_slots register loaded as signed int? |
twisti@1858 | 169 | Label L_ok; |
twisti@1858 | 170 | __ sll(arg_slots.as_register(), BitsPerInt, temp_reg); |
twisti@1858 | 171 | __ sra(temp_reg, BitsPerInt, temp_reg); |
twisti@1858 | 172 | __ cmp(arg_slots.as_register(), temp_reg); |
twisti@1858 | 173 | __ br(Assembler::equal, false, Assembler::pt, L_ok); |
twisti@1858 | 174 | __ delayed()->nop(); |
twisti@1858 | 175 | __ stop("arg_slots register not loaded as signed int"); |
twisti@1858 | 176 | __ bind(L_ok); |
twisti@1858 | 177 | } |
twisti@1858 | 178 | #endif |
twisti@1858 | 179 | |
twisti@1858 | 180 | // Make space on the stack for the inserted argument(s). |
twisti@1858 | 181 | // Then pull down everything shallower than argslot_reg. |
twisti@1858 | 182 | // The stacked return address gets pulled down with everything else. |
twisti@1858 | 183 | // That is, copy [sp, argslot) downward by -size words. In pseudo-code: |
twisti@1858 | 184 | // sp -= size; |
twisti@1858 | 185 | // for (temp = sp + size; temp < argslot; temp++) |
twisti@1858 | 186 | // temp[-size] = temp[0] |
twisti@1858 | 187 | // argslot -= size; |
twisti@2204 | 188 | BLOCK_COMMENT("insert_arg_slots {"); |
twisti@1858 | 189 | RegisterOrConstant offset = __ regcon_sll_ptr(arg_slots, LogBytesPerWord, temp3_reg); |
twisti@1858 | 190 | |
twisti@1858 | 191 | // Keep the stack pointer 2*wordSize aligned. |
twisti@1858 | 192 | const int TwoWordAlignmentMask = right_n_bits(LogBytesPerWord + 1); |
twisti@1858 | 193 | RegisterOrConstant masked_offset = __ regcon_andn_ptr(offset, TwoWordAlignmentMask, temp_reg); |
twisti@1858 | 194 | __ add(SP, masked_offset, SP); |
twisti@1858 | 195 | |
twisti@1858 | 196 | __ mov(Gargs, temp_reg); // source pointer for copy |
twisti@1858 | 197 | __ add(Gargs, offset, Gargs); |
twisti@1858 | 198 | |
twisti@1858 | 199 | { |
twisti@1858 | 200 | Label loop; |
twisti@2204 | 201 | __ BIND(loop); |
twisti@1858 | 202 | // pull one word down each time through the loop |
twisti@1858 | 203 | __ ld_ptr(Address(temp_reg, 0), temp2_reg); |
twisti@1858 | 204 | __ st_ptr(temp2_reg, Address(temp_reg, offset)); |
twisti@1858 | 205 | __ add(temp_reg, wordSize, temp_reg); |
twisti@1858 | 206 | __ cmp(temp_reg, argslot_reg); |
twisti@1858 | 207 | __ brx(Assembler::less, false, Assembler::pt, loop); |
twisti@1858 | 208 | __ delayed()->nop(); // FILLME |
twisti@1858 | 209 | } |
twisti@1858 | 210 | |
twisti@1858 | 211 | // Now move the argslot down, to point to the opened-up space. |
twisti@1858 | 212 | __ add(argslot_reg, offset, argslot_reg); |
twisti@2204 | 213 | BLOCK_COMMENT("} insert_arg_slots"); |
twisti@1858 | 214 | } |
twisti@1858 | 215 | |
twisti@1858 | 216 | |
twisti@1858 | 217 | // Helper to remove argument slots from the stack. |
twisti@1858 | 218 | // arg_slots must be a multiple of stack_move_unit() and >= 0 |
twisti@1858 | 219 | void MethodHandles::remove_arg_slots(MacroAssembler* _masm, |
twisti@1858 | 220 | RegisterOrConstant arg_slots, |
twisti@1858 | 221 | Register argslot_reg, |
twisti@1858 | 222 | Register temp_reg, Register temp2_reg, Register temp3_reg) { |
twisti@1858 | 223 | assert(temp3_reg != noreg, "temp3 required"); |
twisti@1858 | 224 | assert_different_registers(argslot_reg, temp_reg, temp2_reg, temp3_reg, |
twisti@1858 | 225 | (!arg_slots.is_register() ? Gargs : arg_slots.as_register())); |
twisti@1858 | 226 | |
twisti@1858 | 227 | RegisterOrConstant offset = __ regcon_sll_ptr(arg_slots, LogBytesPerWord, temp3_reg); |
twisti@1858 | 228 | |
twisti@1858 | 229 | #ifdef ASSERT |
twisti@1858 | 230 | // Verify that [argslot..argslot+size) lies within (Gargs, FP). |
twisti@1858 | 231 | __ add(argslot_reg, offset, temp2_reg); |
twisti@1858 | 232 | verify_argslot(_masm, temp2_reg, temp_reg, "deleted argument(s) must fall within current frame"); |
twisti@1858 | 233 | if (arg_slots.is_register()) { |
twisti@1858 | 234 | Label L_ok, L_bad; |
twisti@1858 | 235 | __ cmp(arg_slots.as_register(), (int32_t) NULL_WORD); |
twisti@1858 | 236 | __ br(Assembler::less, false, Assembler::pn, L_bad); |
twisti@1858 | 237 | __ delayed()->nop(); |
twisti@1858 | 238 | __ btst(-stack_move_unit() - 1, arg_slots.as_register()); |
twisti@1858 | 239 | __ br(Assembler::zero, false, Assembler::pt, L_ok); |
twisti@1858 | 240 | __ delayed()->nop(); |
twisti@1858 | 241 | __ bind(L_bad); |
twisti@1858 | 242 | __ stop("assert arg_slots >= 0 and clear low bits"); |
twisti@1858 | 243 | __ bind(L_ok); |
twisti@1858 | 244 | } else { |
twisti@1858 | 245 | assert(arg_slots.as_constant() >= 0, ""); |
twisti@1858 | 246 | assert(arg_slots.as_constant() % -stack_move_unit() == 0, ""); |
twisti@1858 | 247 | } |
twisti@1858 | 248 | #endif // ASSERT |
twisti@1858 | 249 | |
twisti@2204 | 250 | BLOCK_COMMENT("remove_arg_slots {"); |
twisti@1858 | 251 | // Pull up everything shallower than argslot. |
twisti@1858 | 252 | // Then remove the excess space on the stack. |
twisti@1858 | 253 | // The stacked return address gets pulled up with everything else. |
twisti@1858 | 254 | // That is, copy [sp, argslot) upward by size words. In pseudo-code: |
twisti@1858 | 255 | // for (temp = argslot-1; temp >= sp; --temp) |
twisti@1858 | 256 | // temp[size] = temp[0] |
twisti@1858 | 257 | // argslot += size; |
twisti@1858 | 258 | // sp += size; |
twisti@1858 | 259 | __ sub(argslot_reg, wordSize, temp_reg); // source pointer for copy |
twisti@1858 | 260 | { |
twisti@1858 | 261 | Label loop; |
twisti@2204 | 262 | __ BIND(loop); |
twisti@1858 | 263 | // pull one word up each time through the loop |
twisti@1858 | 264 | __ ld_ptr(Address(temp_reg, 0), temp2_reg); |
twisti@1858 | 265 | __ st_ptr(temp2_reg, Address(temp_reg, offset)); |
twisti@1858 | 266 | __ sub(temp_reg, wordSize, temp_reg); |
twisti@1858 | 267 | __ cmp(temp_reg, Gargs); |
twisti@1858 | 268 | __ brx(Assembler::greaterEqual, false, Assembler::pt, loop); |
twisti@1858 | 269 | __ delayed()->nop(); // FILLME |
twisti@1858 | 270 | } |
twisti@1858 | 271 | |
twisti@1858 | 272 | // Now move the argslot up, to point to the just-copied block. |
twisti@1858 | 273 | __ add(Gargs, offset, Gargs); |
twisti@1858 | 274 | // And adjust the argslot address to point at the deletion point. |
twisti@1858 | 275 | __ add(argslot_reg, offset, argslot_reg); |
twisti@1858 | 276 | |
twisti@1858 | 277 | // Keep the stack pointer 2*wordSize aligned. |
twisti@1858 | 278 | const int TwoWordAlignmentMask = right_n_bits(LogBytesPerWord + 1); |
twisti@1858 | 279 | RegisterOrConstant masked_offset = __ regcon_andn_ptr(offset, TwoWordAlignmentMask, temp_reg); |
twisti@1858 | 280 | __ add(SP, masked_offset, SP); |
twisti@2204 | 281 | BLOCK_COMMENT("} remove_arg_slots"); |
twisti@1858 | 282 | } |
twisti@1858 | 283 | |
twisti@1858 | 284 | |
twisti@1858 | 285 | #ifndef PRODUCT |
twisti@1858 | 286 | extern "C" void print_method_handle(oop mh); |
twisti@1858 | 287 | void trace_method_handle_stub(const char* adaptername, |
twisti@2204 | 288 | oopDesc* mh) { |
twisti@1858 | 289 | printf("MH %s mh="INTPTR_FORMAT"\n", adaptername, (intptr_t) mh); |
twisti@1858 | 290 | print_method_handle(mh); |
twisti@1858 | 291 | } |
twisti@2204 | 292 | void MethodHandles::trace_method_handle(MacroAssembler* _masm, const char* adaptername) { |
twisti@2204 | 293 | if (!TraceMethodHandles) return; |
twisti@2204 | 294 | BLOCK_COMMENT("trace_method_handle {"); |
twisti@2204 | 295 | // save: Gargs, O5_savedSP |
twisti@2204 | 296 | __ save_frame(16); |
twisti@2204 | 297 | __ set((intptr_t) adaptername, O0); |
twisti@2204 | 298 | __ mov(G3_method_handle, O1); |
twisti@2204 | 299 | __ mov(G3_method_handle, L3); |
twisti@2204 | 300 | __ mov(Gargs, L4); |
twisti@2204 | 301 | __ mov(G5_method_type, L5); |
twisti@2204 | 302 | __ call_VM_leaf(L7, CAST_FROM_FN_PTR(address, trace_method_handle_stub)); |
twisti@2204 | 303 | |
twisti@2204 | 304 | __ mov(L3, G3_method_handle); |
twisti@2204 | 305 | __ mov(L4, Gargs); |
twisti@2204 | 306 | __ mov(L5, G5_method_type); |
twisti@2204 | 307 | __ restore(); |
twisti@2204 | 308 | BLOCK_COMMENT("} trace_method_handle"); |
twisti@2204 | 309 | } |
twisti@1858 | 310 | #endif // PRODUCT |
twisti@1858 | 311 | |
jrose@1862 | 312 | // which conversion op types are implemented here? |
jrose@1862 | 313 | int MethodHandles::adapter_conversion_ops_supported_mask() { |
jrose@1862 | 314 | return ((1<<sun_dyn_AdapterMethodHandle::OP_RETYPE_ONLY) |
jrose@1862 | 315 | |(1<<sun_dyn_AdapterMethodHandle::OP_RETYPE_RAW) |
jrose@1862 | 316 | |(1<<sun_dyn_AdapterMethodHandle::OP_CHECK_CAST) |
jrose@1862 | 317 | |(1<<sun_dyn_AdapterMethodHandle::OP_PRIM_TO_PRIM) |
jrose@1862 | 318 | |(1<<sun_dyn_AdapterMethodHandle::OP_REF_TO_PRIM) |
jrose@1862 | 319 | |(1<<sun_dyn_AdapterMethodHandle::OP_SWAP_ARGS) |
jrose@1862 | 320 | |(1<<sun_dyn_AdapterMethodHandle::OP_ROT_ARGS) |
jrose@1862 | 321 | |(1<<sun_dyn_AdapterMethodHandle::OP_DUP_ARGS) |
jrose@1862 | 322 | |(1<<sun_dyn_AdapterMethodHandle::OP_DROP_ARGS) |
jrose@1862 | 323 | //|(1<<sun_dyn_AdapterMethodHandle::OP_SPREAD_ARGS) //BUG! |
jrose@1862 | 324 | ); |
jrose@1862 | 325 | // FIXME: MethodHandlesTest gets a crash if we enable OP_SPREAD_ARGS. |
jrose@1862 | 326 | } |
twisti@1858 | 327 | |
twisti@1858 | 328 | //------------------------------------------------------------------------------ |
twisti@1858 | 329 | // MethodHandles::generate_method_handle_stub |
twisti@1858 | 330 | // |
jrose@1145 | 331 | // Generate an "entry" field for a method handle. |
jrose@1145 | 332 | // This determines how the method handle will respond to calls. |
jrose@1145 | 333 | void MethodHandles::generate_method_handle_stub(MacroAssembler* _masm, MethodHandles::EntryKind ek) { |
twisti@1858 | 334 | // Here is the register state during an interpreted call, |
twisti@1858 | 335 | // as set up by generate_method_handle_interpreter_entry(): |
twisti@1858 | 336 | // - G5: garbage temp (was MethodHandle.invoke methodOop, unused) |
twisti@1858 | 337 | // - G3: receiver method handle |
twisti@1858 | 338 | // - O5_savedSP: sender SP (must preserve) |
twisti@1858 | 339 | |
twisti@1858 | 340 | Register O0_argslot = O0; |
twisti@1858 | 341 | Register O1_scratch = O1; |
twisti@1858 | 342 | Register O2_scratch = O2; |
twisti@1858 | 343 | Register O3_scratch = O3; |
twisti@1858 | 344 | Register G5_index = G5; |
twisti@1858 | 345 | |
twisti@1858 | 346 | guarantee(java_dyn_MethodHandle::vmentry_offset_in_bytes() != 0, "must have offsets"); |
twisti@1858 | 347 | |
twisti@1858 | 348 | // Some handy addresses: |
twisti@1858 | 349 | Address G5_method_fie( G5_method, in_bytes(methodOopDesc::from_interpreted_offset())); |
twisti@1858 | 350 | |
twisti@1858 | 351 | Address G3_mh_vmtarget( G3_method_handle, java_dyn_MethodHandle::vmtarget_offset_in_bytes()); |
twisti@1858 | 352 | |
twisti@1858 | 353 | Address G3_dmh_vmindex( G3_method_handle, sun_dyn_DirectMethodHandle::vmindex_offset_in_bytes()); |
twisti@1858 | 354 | |
twisti@1858 | 355 | Address G3_bmh_vmargslot( G3_method_handle, sun_dyn_BoundMethodHandle::vmargslot_offset_in_bytes()); |
twisti@1858 | 356 | Address G3_bmh_argument( G3_method_handle, sun_dyn_BoundMethodHandle::argument_offset_in_bytes()); |
twisti@1858 | 357 | |
twisti@1858 | 358 | Address G3_amh_vmargslot( G3_method_handle, sun_dyn_AdapterMethodHandle::vmargslot_offset_in_bytes()); |
twisti@1858 | 359 | Address G3_amh_argument ( G3_method_handle, sun_dyn_AdapterMethodHandle::argument_offset_in_bytes()); |
twisti@1858 | 360 | Address G3_amh_conversion(G3_method_handle, sun_dyn_AdapterMethodHandle::conversion_offset_in_bytes()); |
twisti@1858 | 361 | |
twisti@1858 | 362 | const int java_mirror_offset = klassOopDesc::klass_part_offset_in_bytes() + Klass::java_mirror_offset_in_bytes(); |
twisti@1858 | 363 | |
twisti@1858 | 364 | if (have_entry(ek)) { |
twisti@1858 | 365 | __ nop(); // empty stubs make SG sick |
twisti@1858 | 366 | return; |
twisti@1858 | 367 | } |
twisti@1858 | 368 | |
twisti@1858 | 369 | address interp_entry = __ pc(); |
twisti@1858 | 370 | |
twisti@2204 | 371 | trace_method_handle(_masm, entry_name(ek)); |
twisti@1858 | 372 | |
twisti@1858 | 373 | switch ((int) ek) { |
twisti@1858 | 374 | case _raise_exception: |
twisti@1858 | 375 | { |
twisti@1858 | 376 | // Not a real MH entry, but rather shared code for raising an |
twisti@1858 | 377 | // exception. Extra local arguments are passed in scratch |
twisti@1858 | 378 | // registers, as required type in O3, failing object (or NULL) |
twisti@1858 | 379 | // in O2, failing bytecode type in O1. |
twisti@1858 | 380 | |
twisti@1858 | 381 | __ mov(O5_savedSP, SP); // Cut the stack back to where the caller started. |
twisti@1858 | 382 | |
twisti@1858 | 383 | // Push arguments as if coming from the interpreter. |
twisti@1858 | 384 | Register O0_scratch = O0_argslot; |
twisti@1861 | 385 | int stackElementSize = Interpreter::stackElementSize; |
twisti@1858 | 386 | |
twisti@1919 | 387 | // Make space on the stack for the arguments and set Gargs |
twisti@1919 | 388 | // correctly. |
twisti@1919 | 389 | __ sub(SP, 4*stackElementSize, SP); // Keep stack aligned. |
twisti@1919 | 390 | __ add(SP, (frame::varargs_offset)*wordSize - 1*Interpreter::stackElementSize + STACK_BIAS + BytesPerWord, Gargs); |
twisti@1858 | 391 | |
twisti@1858 | 392 | // void raiseException(int code, Object actual, Object required) |
twisti@1858 | 393 | __ st( O1_scratch, Address(Gargs, 2*stackElementSize)); // code |
twisti@1858 | 394 | __ st_ptr(O2_scratch, Address(Gargs, 1*stackElementSize)); // actual |
twisti@1858 | 395 | __ st_ptr(O3_scratch, Address(Gargs, 0*stackElementSize)); // required |
twisti@1858 | 396 | |
twisti@1858 | 397 | Label no_method; |
twisti@1858 | 398 | // FIXME: fill in _raise_exception_method with a suitable sun.dyn method |
twisti@1858 | 399 | __ set(AddressLiteral((address) &_raise_exception_method), G5_method); |
twisti@1858 | 400 | __ ld_ptr(Address(G5_method, 0), G5_method); |
twisti@1858 | 401 | __ tst(G5_method); |
twisti@1858 | 402 | __ brx(Assembler::zero, false, Assembler::pn, no_method); |
twisti@1858 | 403 | __ delayed()->nop(); |
twisti@1858 | 404 | |
twisti@1858 | 405 | int jobject_oop_offset = 0; |
twisti@1858 | 406 | __ ld_ptr(Address(G5_method, jobject_oop_offset), G5_method); |
twisti@1858 | 407 | __ tst(G5_method); |
twisti@1858 | 408 | __ brx(Assembler::zero, false, Assembler::pn, no_method); |
twisti@1858 | 409 | __ delayed()->nop(); |
twisti@1858 | 410 | |
twisti@1858 | 411 | __ verify_oop(G5_method); |
twisti@1858 | 412 | __ jump_indirect_to(G5_method_fie, O1_scratch); |
twisti@1858 | 413 | __ delayed()->nop(); |
twisti@1858 | 414 | |
twisti@1858 | 415 | // If we get here, the Java runtime did not do its job of creating the exception. |
twisti@1858 | 416 | // Do something that is at least causes a valid throw from the interpreter. |
twisti@1858 | 417 | __ bind(no_method); |
twisti@1858 | 418 | __ unimplemented("_raise_exception no method"); |
twisti@1858 | 419 | } |
twisti@1858 | 420 | break; |
twisti@1858 | 421 | |
twisti@1858 | 422 | case _invokestatic_mh: |
twisti@1858 | 423 | case _invokespecial_mh: |
twisti@1858 | 424 | { |
twisti@2201 | 425 | __ load_heap_oop(G3_mh_vmtarget, G5_method); // target is a methodOop |
twisti@1858 | 426 | __ verify_oop(G5_method); |
twisti@1858 | 427 | // Same as TemplateTable::invokestatic or invokespecial, |
twisti@1858 | 428 | // minus the CP setup and profiling: |
twisti@1858 | 429 | if (ek == _invokespecial_mh) { |
twisti@1858 | 430 | // Must load & check the first argument before entering the target method. |
twisti@1858 | 431 | __ load_method_handle_vmslots(O0_argslot, G3_method_handle, O1_scratch); |
twisti@1858 | 432 | __ ld_ptr(__ argument_address(O0_argslot), G3_method_handle); |
twisti@1858 | 433 | __ null_check(G3_method_handle); |
twisti@1858 | 434 | __ verify_oop(G3_method_handle); |
twisti@1858 | 435 | } |
twisti@1858 | 436 | __ jump_indirect_to(G5_method_fie, O1_scratch); |
twisti@1858 | 437 | __ delayed()->nop(); |
twisti@1858 | 438 | } |
twisti@1858 | 439 | break; |
twisti@1858 | 440 | |
twisti@1858 | 441 | case _invokevirtual_mh: |
twisti@1858 | 442 | { |
twisti@1858 | 443 | // Same as TemplateTable::invokevirtual, |
twisti@1858 | 444 | // minus the CP setup and profiling: |
twisti@1858 | 445 | |
twisti@1858 | 446 | // Pick out the vtable index and receiver offset from the MH, |
twisti@1858 | 447 | // and then we can discard it: |
twisti@1858 | 448 | __ load_method_handle_vmslots(O0_argslot, G3_method_handle, O1_scratch); |
twisti@1858 | 449 | __ ldsw(G3_dmh_vmindex, G5_index); |
twisti@1858 | 450 | // Note: The verifier allows us to ignore G3_mh_vmtarget. |
twisti@1858 | 451 | __ ld_ptr(__ argument_address(O0_argslot, -1), G3_method_handle); |
twisti@1858 | 452 | __ null_check(G3_method_handle, oopDesc::klass_offset_in_bytes()); |
twisti@1858 | 453 | |
twisti@1858 | 454 | // Get receiver klass: |
twisti@1858 | 455 | Register O0_klass = O0_argslot; |
twisti@1858 | 456 | __ load_klass(G3_method_handle, O0_klass); |
twisti@1858 | 457 | __ verify_oop(O0_klass); |
twisti@1858 | 458 | |
twisti@1858 | 459 | // Get target methodOop & entry point: |
twisti@1858 | 460 | const int base = instanceKlass::vtable_start_offset() * wordSize; |
twisti@1858 | 461 | assert(vtableEntry::size() * wordSize == wordSize, "adjust the scaling in the code below"); |
twisti@1858 | 462 | |
twisti@1858 | 463 | __ sll_ptr(G5_index, LogBytesPerWord, G5_index); |
twisti@1858 | 464 | __ add(O0_klass, G5_index, O0_klass); |
twisti@1858 | 465 | Address vtable_entry_addr(O0_klass, base + vtableEntry::method_offset_in_bytes()); |
twisti@1858 | 466 | __ ld_ptr(vtable_entry_addr, G5_method); |
twisti@1858 | 467 | |
twisti@1858 | 468 | __ verify_oop(G5_method); |
twisti@1858 | 469 | __ jump_indirect_to(G5_method_fie, O1_scratch); |
twisti@1858 | 470 | __ delayed()->nop(); |
twisti@1858 | 471 | } |
twisti@1858 | 472 | break; |
twisti@1858 | 473 | |
twisti@1858 | 474 | case _invokeinterface_mh: |
twisti@1858 | 475 | { |
twisti@1858 | 476 | // Same as TemplateTable::invokeinterface, |
twisti@1858 | 477 | // minus the CP setup and profiling: |
twisti@1858 | 478 | __ load_method_handle_vmslots(O0_argslot, G3_method_handle, O1_scratch); |
twisti@1858 | 479 | Register O1_intf = O1_scratch; |
twisti@2201 | 480 | __ load_heap_oop(G3_mh_vmtarget, O1_intf); |
twisti@1858 | 481 | __ ldsw(G3_dmh_vmindex, G5_index); |
twisti@1858 | 482 | __ ld_ptr(__ argument_address(O0_argslot, -1), G3_method_handle); |
twisti@1858 | 483 | __ null_check(G3_method_handle, oopDesc::klass_offset_in_bytes()); |
twisti@1858 | 484 | |
twisti@1858 | 485 | // Get receiver klass: |
twisti@1858 | 486 | Register O0_klass = O0_argslot; |
twisti@1858 | 487 | __ load_klass(G3_method_handle, O0_klass); |
twisti@1858 | 488 | __ verify_oop(O0_klass); |
twisti@1858 | 489 | |
twisti@1858 | 490 | // Get interface: |
twisti@1858 | 491 | Label no_such_interface; |
twisti@1858 | 492 | __ verify_oop(O1_intf); |
twisti@1858 | 493 | __ lookup_interface_method(O0_klass, O1_intf, |
twisti@1858 | 494 | // Note: next two args must be the same: |
twisti@1858 | 495 | G5_index, G5_method, |
twisti@1858 | 496 | O2_scratch, |
twisti@1858 | 497 | O3_scratch, |
twisti@1858 | 498 | no_such_interface); |
twisti@1858 | 499 | |
twisti@1858 | 500 | __ verify_oop(G5_method); |
twisti@1858 | 501 | __ jump_indirect_to(G5_method_fie, O1_scratch); |
twisti@1858 | 502 | __ delayed()->nop(); |
twisti@1858 | 503 | |
twisti@1858 | 504 | __ bind(no_such_interface); |
twisti@1858 | 505 | // Throw an exception. |
twisti@1858 | 506 | // For historical reasons, it will be IncompatibleClassChangeError. |
twisti@1858 | 507 | __ unimplemented("not tested yet"); |
twisti@1858 | 508 | __ ld_ptr(Address(O1_intf, java_mirror_offset), O3_scratch); // required interface |
twisti@1858 | 509 | __ mov(O0_klass, O2_scratch); // bad receiver |
twisti@1858 | 510 | __ jump_to(AddressLiteral(from_interpreted_entry(_raise_exception)), O0_argslot); |
twisti@1858 | 511 | __ delayed()->mov(Bytecodes::_invokeinterface, O1_scratch); // who is complaining? |
twisti@1858 | 512 | } |
twisti@1858 | 513 | break; |
twisti@1858 | 514 | |
twisti@1858 | 515 | case _bound_ref_mh: |
twisti@1858 | 516 | case _bound_int_mh: |
twisti@1858 | 517 | case _bound_long_mh: |
twisti@1858 | 518 | case _bound_ref_direct_mh: |
twisti@1858 | 519 | case _bound_int_direct_mh: |
twisti@1858 | 520 | case _bound_long_direct_mh: |
twisti@1858 | 521 | { |
twisti@1858 | 522 | const bool direct_to_method = (ek >= _bound_ref_direct_mh); |
twisti@1858 | 523 | BasicType arg_type = T_ILLEGAL; |
twisti@1858 | 524 | int arg_mask = _INSERT_NO_MASK; |
twisti@1858 | 525 | int arg_slots = -1; |
twisti@1858 | 526 | get_ek_bound_mh_info(ek, arg_type, arg_mask, arg_slots); |
twisti@1858 | 527 | |
twisti@1858 | 528 | // Make room for the new argument: |
twisti@1858 | 529 | __ ldsw(G3_bmh_vmargslot, O0_argslot); |
twisti@1858 | 530 | __ add(Gargs, __ argument_offset(O0_argslot), O0_argslot); |
twisti@1858 | 531 | |
twisti@1858 | 532 | insert_arg_slots(_masm, arg_slots * stack_move_unit(), arg_mask, O0_argslot, O1_scratch, O2_scratch, G5_index); |
twisti@1858 | 533 | |
twisti@1858 | 534 | // Store bound argument into the new stack slot: |
twisti@2201 | 535 | __ load_heap_oop(G3_bmh_argument, O1_scratch); |
twisti@1858 | 536 | if (arg_type == T_OBJECT) { |
twisti@1858 | 537 | __ st_ptr(O1_scratch, Address(O0_argslot, 0)); |
twisti@1858 | 538 | } else { |
twisti@1858 | 539 | Address prim_value_addr(O1_scratch, java_lang_boxing_object::value_offset_in_bytes(arg_type)); |
twisti@1858 | 540 | __ load_sized_value(prim_value_addr, O2_scratch, type2aelembytes(arg_type), is_signed_subword_type(arg_type)); |
twisti@1858 | 541 | if (arg_slots == 2) { |
twisti@1858 | 542 | __ unimplemented("not yet tested"); |
twisti@1858 | 543 | #ifndef _LP64 |
twisti@1858 | 544 | __ signx(O2_scratch, O3_scratch); // Sign extend |
twisti@1858 | 545 | #endif |
twisti@1858 | 546 | __ st_long(O2_scratch, Address(O0_argslot, 0)); // Uses O2/O3 on !_LP64 |
twisti@1858 | 547 | } else { |
twisti@1858 | 548 | __ st_ptr( O2_scratch, Address(O0_argslot, 0)); |
twisti@1858 | 549 | } |
twisti@1858 | 550 | } |
twisti@1858 | 551 | |
twisti@1858 | 552 | if (direct_to_method) { |
twisti@2201 | 553 | __ load_heap_oop(G3_mh_vmtarget, G5_method); // target is a methodOop |
twisti@1858 | 554 | __ verify_oop(G5_method); |
twisti@1858 | 555 | __ jump_indirect_to(G5_method_fie, O1_scratch); |
twisti@1858 | 556 | __ delayed()->nop(); |
twisti@1858 | 557 | } else { |
twisti@2201 | 558 | __ load_heap_oop(G3_mh_vmtarget, G3_method_handle); // target is a methodOop |
twisti@1858 | 559 | __ verify_oop(G3_method_handle); |
twisti@1858 | 560 | __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); |
twisti@1858 | 561 | } |
twisti@1858 | 562 | } |
twisti@1858 | 563 | break; |
twisti@1858 | 564 | |
twisti@1858 | 565 | case _adapter_retype_only: |
twisti@1858 | 566 | case _adapter_retype_raw: |
twisti@1858 | 567 | // Immediately jump to the next MH layer: |
twisti@2201 | 568 | __ load_heap_oop(G3_mh_vmtarget, G3_method_handle); |
twisti@1858 | 569 | __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); |
twisti@1858 | 570 | // This is OK when all parameter types widen. |
twisti@1858 | 571 | // It is also OK when a return type narrows. |
twisti@1858 | 572 | break; |
twisti@1858 | 573 | |
twisti@1858 | 574 | case _adapter_check_cast: |
twisti@1858 | 575 | { |
twisti@1858 | 576 | // Temps: |
twisti@1858 | 577 | Register G5_klass = G5_index; // Interesting AMH data. |
twisti@1858 | 578 | |
twisti@1858 | 579 | // Check a reference argument before jumping to the next layer of MH: |
twisti@1858 | 580 | __ ldsw(G3_amh_vmargslot, O0_argslot); |
twisti@1858 | 581 | Address vmarg = __ argument_address(O0_argslot); |
twisti@1858 | 582 | |
twisti@1858 | 583 | // What class are we casting to? |
twisti@2201 | 584 | __ load_heap_oop(G3_amh_argument, G5_klass); // This is a Class object! |
twisti@2201 | 585 | __ load_heap_oop(Address(G5_klass, java_lang_Class::klass_offset_in_bytes()), G5_klass); |
twisti@1858 | 586 | |
twisti@1858 | 587 | Label done; |
twisti@1858 | 588 | __ ld_ptr(vmarg, O1_scratch); |
twisti@1858 | 589 | __ tst(O1_scratch); |
twisti@1858 | 590 | __ brx(Assembler::zero, false, Assembler::pn, done); // No cast if null. |
twisti@1858 | 591 | __ delayed()->nop(); |
twisti@1858 | 592 | __ load_klass(O1_scratch, O1_scratch); |
twisti@1858 | 593 | |
twisti@1858 | 594 | // Live at this point: |
twisti@1858 | 595 | // - G5_klass : klass required by the target method |
twisti@1858 | 596 | // - O1_scratch : argument klass to test |
twisti@1858 | 597 | // - G3_method_handle: adapter method handle |
twisti@1858 | 598 | __ check_klass_subtype(O1_scratch, G5_klass, O0_argslot, O2_scratch, done); |
twisti@1858 | 599 | |
twisti@1858 | 600 | // If we get here, the type check failed! |
twisti@1858 | 601 | __ ldsw(G3_amh_vmargslot, O0_argslot); // reload argslot field |
twisti@2201 | 602 | __ load_heap_oop(G3_amh_argument, O3_scratch); // required class |
twisti@1858 | 603 | __ ld_ptr(vmarg, O2_scratch); // bad object |
twisti@1858 | 604 | __ jump_to(AddressLiteral(from_interpreted_entry(_raise_exception)), O0_argslot); |
twisti@1858 | 605 | __ delayed()->mov(Bytecodes::_checkcast, O1_scratch); // who is complaining? |
twisti@1858 | 606 | |
twisti@1858 | 607 | __ bind(done); |
twisti@1858 | 608 | // Get the new MH: |
twisti@2201 | 609 | __ load_heap_oop(G3_mh_vmtarget, G3_method_handle); |
twisti@1858 | 610 | __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); |
twisti@1858 | 611 | } |
twisti@1858 | 612 | break; |
twisti@1858 | 613 | |
twisti@1858 | 614 | case _adapter_prim_to_prim: |
twisti@1858 | 615 | case _adapter_ref_to_prim: |
twisti@1858 | 616 | // Handled completely by optimized cases. |
twisti@1858 | 617 | __ stop("init_AdapterMethodHandle should not issue this"); |
twisti@1858 | 618 | break; |
twisti@1858 | 619 | |
twisti@1858 | 620 | case _adapter_opt_i2i: // optimized subcase of adapt_prim_to_prim |
twisti@1858 | 621 | //case _adapter_opt_f2i: // optimized subcase of adapt_prim_to_prim |
twisti@1858 | 622 | case _adapter_opt_l2i: // optimized subcase of adapt_prim_to_prim |
twisti@1858 | 623 | case _adapter_opt_unboxi: // optimized subcase of adapt_ref_to_prim |
twisti@1858 | 624 | { |
twisti@1858 | 625 | // Perform an in-place conversion to int or an int subword. |
twisti@1858 | 626 | __ ldsw(G3_amh_vmargslot, O0_argslot); |
twisti@1858 | 627 | Address vmarg = __ argument_address(O0_argslot); |
twisti@1858 | 628 | Address value; |
twisti@1858 | 629 | bool value_left_justified = false; |
twisti@1858 | 630 | |
twisti@1858 | 631 | switch (ek) { |
twisti@1858 | 632 | case _adapter_opt_i2i: |
twisti@1858 | 633 | case _adapter_opt_l2i: |
twisti@1858 | 634 | __ unimplemented(entry_name(ek)); |
twisti@1858 | 635 | value = vmarg; |
twisti@1858 | 636 | break; |
twisti@1858 | 637 | case _adapter_opt_unboxi: |
twisti@1858 | 638 | { |
twisti@1858 | 639 | // Load the value up from the heap. |
twisti@1858 | 640 | __ ld_ptr(vmarg, O1_scratch); |
twisti@1858 | 641 | int value_offset = java_lang_boxing_object::value_offset_in_bytes(T_INT); |
twisti@1858 | 642 | #ifdef ASSERT |
twisti@1858 | 643 | for (int bt = T_BOOLEAN; bt < T_INT; bt++) { |
twisti@1858 | 644 | if (is_subword_type(BasicType(bt))) |
twisti@1858 | 645 | assert(value_offset == java_lang_boxing_object::value_offset_in_bytes(BasicType(bt)), ""); |
twisti@1858 | 646 | } |
twisti@1858 | 647 | #endif |
twisti@1858 | 648 | __ null_check(O1_scratch, value_offset); |
twisti@1858 | 649 | value = Address(O1_scratch, value_offset); |
twisti@1858 | 650 | #ifdef _BIG_ENDIAN |
twisti@1858 | 651 | // Values stored in objects are packed. |
twisti@1858 | 652 | value_left_justified = true; |
twisti@1858 | 653 | #endif |
twisti@1858 | 654 | } |
twisti@1858 | 655 | break; |
twisti@1858 | 656 | default: |
twisti@1858 | 657 | ShouldNotReachHere(); |
twisti@1858 | 658 | } |
twisti@1858 | 659 | |
twisti@1858 | 660 | // This check is required on _BIG_ENDIAN |
twisti@1858 | 661 | Register G5_vminfo = G5_index; |
twisti@1858 | 662 | __ ldsw(G3_amh_conversion, G5_vminfo); |
twisti@1858 | 663 | assert(CONV_VMINFO_SHIFT == 0, "preshifted"); |
twisti@1858 | 664 | |
twisti@1858 | 665 | // Original 32-bit vmdata word must be of this form: |
twisti@1858 | 666 | // | MBZ:6 | signBitCount:8 | srcDstTypes:8 | conversionOp:8 | |
twisti@1858 | 667 | __ lduw(value, O1_scratch); |
twisti@1858 | 668 | if (!value_left_justified) |
twisti@1858 | 669 | __ sll(O1_scratch, G5_vminfo, O1_scratch); |
twisti@1858 | 670 | Label zero_extend, done; |
twisti@1858 | 671 | __ btst(CONV_VMINFO_SIGN_FLAG, G5_vminfo); |
twisti@1858 | 672 | __ br(Assembler::zero, false, Assembler::pn, zero_extend); |
twisti@1858 | 673 | __ delayed()->nop(); |
twisti@1858 | 674 | |
twisti@1858 | 675 | // this path is taken for int->byte, int->short |
twisti@1858 | 676 | __ sra(O1_scratch, G5_vminfo, O1_scratch); |
twisti@1858 | 677 | __ ba(false, done); |
twisti@1858 | 678 | __ delayed()->nop(); |
twisti@1858 | 679 | |
twisti@1858 | 680 | __ bind(zero_extend); |
twisti@1858 | 681 | // this is taken for int->char |
twisti@1858 | 682 | __ srl(O1_scratch, G5_vminfo, O1_scratch); |
twisti@1858 | 683 | |
twisti@1858 | 684 | __ bind(done); |
twisti@1858 | 685 | __ st(O1_scratch, vmarg); |
twisti@1858 | 686 | |
twisti@1858 | 687 | // Get the new MH: |
twisti@2201 | 688 | __ load_heap_oop(G3_mh_vmtarget, G3_method_handle); |
twisti@1858 | 689 | __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); |
twisti@1858 | 690 | } |
twisti@1858 | 691 | break; |
twisti@1858 | 692 | |
twisti@1858 | 693 | case _adapter_opt_i2l: // optimized subcase of adapt_prim_to_prim |
twisti@1858 | 694 | case _adapter_opt_unboxl: // optimized subcase of adapt_ref_to_prim |
twisti@1858 | 695 | { |
twisti@1858 | 696 | // Perform an in-place int-to-long or ref-to-long conversion. |
twisti@1858 | 697 | __ ldsw(G3_amh_vmargslot, O0_argslot); |
twisti@1858 | 698 | |
twisti@1858 | 699 | // On big-endian machine we duplicate the slot and store the MSW |
twisti@1858 | 700 | // in the first slot. |
twisti@1858 | 701 | __ add(Gargs, __ argument_offset(O0_argslot, 1), O0_argslot); |
twisti@1858 | 702 | |
twisti@1858 | 703 | insert_arg_slots(_masm, stack_move_unit(), _INSERT_INT_MASK, O0_argslot, O1_scratch, O2_scratch, G5_index); |
twisti@1858 | 704 | |
twisti@1858 | 705 | Address arg_lsw(O0_argslot, 0); |
twisti@1861 | 706 | Address arg_msw(O0_argslot, -Interpreter::stackElementSize); |
twisti@1858 | 707 | |
twisti@1858 | 708 | switch (ek) { |
twisti@1858 | 709 | case _adapter_opt_i2l: |
twisti@1858 | 710 | { |
twisti@1858 | 711 | __ ldsw(arg_lsw, O2_scratch); // Load LSW |
twisti@1858 | 712 | #ifndef _LP64 |
twisti@1858 | 713 | __ signx(O2_scratch, O3_scratch); // Sign extend |
twisti@1858 | 714 | #endif |
twisti@1858 | 715 | __ st_long(O2_scratch, arg_msw); // Uses O2/O3 on !_LP64 |
twisti@1858 | 716 | } |
twisti@1858 | 717 | break; |
twisti@1858 | 718 | case _adapter_opt_unboxl: |
twisti@1858 | 719 | { |
twisti@1858 | 720 | // Load the value up from the heap. |
twisti@1858 | 721 | __ ld_ptr(arg_lsw, O1_scratch); |
twisti@1858 | 722 | int value_offset = java_lang_boxing_object::value_offset_in_bytes(T_LONG); |
twisti@1858 | 723 | assert(value_offset == java_lang_boxing_object::value_offset_in_bytes(T_DOUBLE), ""); |
twisti@1858 | 724 | __ null_check(O1_scratch, value_offset); |
twisti@1858 | 725 | __ ld_long(Address(O1_scratch, value_offset), O2_scratch); // Uses O2/O3 on !_LP64 |
twisti@1858 | 726 | __ st_long(O2_scratch, arg_msw); |
twisti@1858 | 727 | } |
twisti@1858 | 728 | break; |
twisti@1858 | 729 | default: |
twisti@1858 | 730 | ShouldNotReachHere(); |
twisti@1858 | 731 | } |
twisti@1858 | 732 | |
twisti@2201 | 733 | __ load_heap_oop(G3_mh_vmtarget, G3_method_handle); |
twisti@1858 | 734 | __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); |
twisti@1858 | 735 | } |
twisti@1858 | 736 | break; |
twisti@1858 | 737 | |
twisti@1858 | 738 | case _adapter_opt_f2d: // optimized subcase of adapt_prim_to_prim |
twisti@1858 | 739 | case _adapter_opt_d2f: // optimized subcase of adapt_prim_to_prim |
twisti@1858 | 740 | { |
twisti@1858 | 741 | // perform an in-place floating primitive conversion |
twisti@1858 | 742 | __ unimplemented(entry_name(ek)); |
twisti@1858 | 743 | } |
twisti@1858 | 744 | break; |
twisti@1858 | 745 | |
twisti@1858 | 746 | case _adapter_prim_to_ref: |
twisti@1858 | 747 | __ unimplemented(entry_name(ek)); // %%% FIXME: NYI |
twisti@1858 | 748 | break; |
twisti@1858 | 749 | |
twisti@1858 | 750 | case _adapter_swap_args: |
twisti@1858 | 751 | case _adapter_rot_args: |
twisti@1858 | 752 | // handled completely by optimized cases |
twisti@1858 | 753 | __ stop("init_AdapterMethodHandle should not issue this"); |
twisti@1858 | 754 | break; |
twisti@1858 | 755 | |
twisti@1858 | 756 | case _adapter_opt_swap_1: |
twisti@1858 | 757 | case _adapter_opt_swap_2: |
twisti@1858 | 758 | case _adapter_opt_rot_1_up: |
twisti@1858 | 759 | case _adapter_opt_rot_1_down: |
twisti@1858 | 760 | case _adapter_opt_rot_2_up: |
twisti@1858 | 761 | case _adapter_opt_rot_2_down: |
twisti@1858 | 762 | { |
twisti@1858 | 763 | int swap_bytes = 0, rotate = 0; |
twisti@1858 | 764 | get_ek_adapter_opt_swap_rot_info(ek, swap_bytes, rotate); |
twisti@1858 | 765 | |
twisti@1858 | 766 | // 'argslot' is the position of the first argument to swap. |
twisti@1858 | 767 | __ ldsw(G3_amh_vmargslot, O0_argslot); |
twisti@1858 | 768 | __ add(Gargs, __ argument_offset(O0_argslot), O0_argslot); |
twisti@1858 | 769 | |
twisti@1858 | 770 | // 'vminfo' is the second. |
twisti@1858 | 771 | Register O1_destslot = O1_scratch; |
twisti@1858 | 772 | __ ldsw(G3_amh_conversion, O1_destslot); |
twisti@1858 | 773 | assert(CONV_VMINFO_SHIFT == 0, "preshifted"); |
twisti@1858 | 774 | __ and3(O1_destslot, CONV_VMINFO_MASK, O1_destslot); |
twisti@1858 | 775 | __ add(Gargs, __ argument_offset(O1_destslot), O1_destslot); |
twisti@1858 | 776 | |
twisti@1858 | 777 | if (!rotate) { |
twisti@1858 | 778 | for (int i = 0; i < swap_bytes; i += wordSize) { |
twisti@1858 | 779 | __ ld_ptr(Address(O0_argslot, i), O2_scratch); |
twisti@1858 | 780 | __ ld_ptr(Address(O1_destslot, i), O3_scratch); |
twisti@1858 | 781 | __ st_ptr(O3_scratch, Address(O0_argslot, i)); |
twisti@1858 | 782 | __ st_ptr(O2_scratch, Address(O1_destslot, i)); |
twisti@1858 | 783 | } |
twisti@1858 | 784 | } else { |
twisti@1858 | 785 | // Save the first chunk, which is going to get overwritten. |
twisti@1858 | 786 | switch (swap_bytes) { |
twisti@1858 | 787 | case 4 : __ lduw(Address(O0_argslot, 0), O2_scratch); break; |
twisti@1858 | 788 | case 16: __ ldx( Address(O0_argslot, 8), O3_scratch); //fall-thru |
twisti@1858 | 789 | case 8 : __ ldx( Address(O0_argslot, 0), O2_scratch); break; |
twisti@1858 | 790 | default: ShouldNotReachHere(); |
twisti@1858 | 791 | } |
twisti@1858 | 792 | |
twisti@1858 | 793 | if (rotate > 0) { |
twisti@1858 | 794 | // Rorate upward. |
twisti@1858 | 795 | __ sub(O0_argslot, swap_bytes, O0_argslot); |
twisti@1858 | 796 | #if ASSERT |
twisti@1858 | 797 | { |
twisti@1858 | 798 | // Verify that argslot > destslot, by at least swap_bytes. |
twisti@1858 | 799 | Label L_ok; |
twisti@1858 | 800 | __ cmp(O0_argslot, O1_destslot); |
twisti@1858 | 801 | __ brx(Assembler::greaterEqualUnsigned, false, Assembler::pt, L_ok); |
twisti@1858 | 802 | __ delayed()->nop(); |
twisti@1858 | 803 | __ stop("source must be above destination (upward rotation)"); |
twisti@1858 | 804 | __ bind(L_ok); |
twisti@1858 | 805 | } |
twisti@1858 | 806 | #endif |
twisti@1858 | 807 | // Work argslot down to destslot, copying contiguous data upwards. |
twisti@1858 | 808 | // Pseudo-code: |
twisti@1858 | 809 | // argslot = src_addr - swap_bytes |
twisti@1858 | 810 | // destslot = dest_addr |
twisti@1858 | 811 | // while (argslot >= destslot) { |
twisti@1858 | 812 | // *(argslot + swap_bytes) = *(argslot + 0); |
twisti@1858 | 813 | // argslot--; |
twisti@1858 | 814 | // } |
twisti@1858 | 815 | Label loop; |
twisti@1858 | 816 | __ bind(loop); |
twisti@1858 | 817 | __ ld_ptr(Address(O0_argslot, 0), G5_index); |
twisti@1858 | 818 | __ st_ptr(G5_index, Address(O0_argslot, swap_bytes)); |
twisti@1858 | 819 | __ sub(O0_argslot, wordSize, O0_argslot); |
twisti@1858 | 820 | __ cmp(O0_argslot, O1_destslot); |
twisti@1858 | 821 | __ brx(Assembler::greaterEqualUnsigned, false, Assembler::pt, loop); |
twisti@1858 | 822 | __ delayed()->nop(); // FILLME |
twisti@1858 | 823 | } else { |
twisti@1858 | 824 | __ add(O0_argslot, swap_bytes, O0_argslot); |
twisti@1858 | 825 | #if ASSERT |
twisti@1858 | 826 | { |
twisti@1858 | 827 | // Verify that argslot < destslot, by at least swap_bytes. |
twisti@1858 | 828 | Label L_ok; |
twisti@1858 | 829 | __ cmp(O0_argslot, O1_destslot); |
twisti@1858 | 830 | __ brx(Assembler::lessEqualUnsigned, false, Assembler::pt, L_ok); |
twisti@1858 | 831 | __ delayed()->nop(); |
twisti@1858 | 832 | __ stop("source must be above destination (upward rotation)"); |
twisti@1858 | 833 | __ bind(L_ok); |
twisti@1858 | 834 | } |
twisti@1858 | 835 | #endif |
twisti@1858 | 836 | // Work argslot up to destslot, copying contiguous data downwards. |
twisti@1858 | 837 | // Pseudo-code: |
twisti@1858 | 838 | // argslot = src_addr + swap_bytes |
twisti@1858 | 839 | // destslot = dest_addr |
twisti@1858 | 840 | // while (argslot >= destslot) { |
twisti@1858 | 841 | // *(argslot - swap_bytes) = *(argslot + 0); |
twisti@1858 | 842 | // argslot++; |
twisti@1858 | 843 | // } |
twisti@1858 | 844 | Label loop; |
twisti@1858 | 845 | __ bind(loop); |
twisti@1858 | 846 | __ ld_ptr(Address(O0_argslot, 0), G5_index); |
twisti@1858 | 847 | __ st_ptr(G5_index, Address(O0_argslot, -swap_bytes)); |
twisti@1858 | 848 | __ add(O0_argslot, wordSize, O0_argslot); |
twisti@1858 | 849 | __ cmp(O0_argslot, O1_destslot); |
twisti@1858 | 850 | __ brx(Assembler::lessEqualUnsigned, false, Assembler::pt, loop); |
twisti@1858 | 851 | __ delayed()->nop(); // FILLME |
twisti@1858 | 852 | } |
twisti@1858 | 853 | |
twisti@1858 | 854 | // Store the original first chunk into the destination slot, now free. |
twisti@1858 | 855 | switch (swap_bytes) { |
twisti@1858 | 856 | case 4 : __ stw(O2_scratch, Address(O1_destslot, 0)); break; |
twisti@1858 | 857 | case 16: __ stx(O3_scratch, Address(O1_destslot, 8)); // fall-thru |
twisti@1858 | 858 | case 8 : __ stx(O2_scratch, Address(O1_destslot, 0)); break; |
twisti@1858 | 859 | default: ShouldNotReachHere(); |
twisti@1858 | 860 | } |
twisti@1858 | 861 | } |
twisti@1858 | 862 | |
twisti@2201 | 863 | __ load_heap_oop(G3_mh_vmtarget, G3_method_handle); |
twisti@1858 | 864 | __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); |
twisti@1858 | 865 | } |
twisti@1858 | 866 | break; |
twisti@1858 | 867 | |
twisti@1858 | 868 | case _adapter_dup_args: |
twisti@1858 | 869 | { |
twisti@1858 | 870 | // 'argslot' is the position of the first argument to duplicate. |
twisti@1858 | 871 | __ ldsw(G3_amh_vmargslot, O0_argslot); |
twisti@1858 | 872 | __ add(Gargs, __ argument_offset(O0_argslot), O0_argslot); |
twisti@1858 | 873 | |
twisti@1858 | 874 | // 'stack_move' is negative number of words to duplicate. |
twisti@1858 | 875 | Register G5_stack_move = G5_index; |
twisti@1858 | 876 | __ ldsw(G3_amh_conversion, G5_stack_move); |
twisti@1858 | 877 | __ sra(G5_stack_move, CONV_STACK_MOVE_SHIFT, G5_stack_move); |
twisti@1858 | 878 | |
twisti@1858 | 879 | // Remember the old Gargs (argslot[0]). |
twisti@1858 | 880 | Register O1_oldarg = O1_scratch; |
twisti@1858 | 881 | __ mov(Gargs, O1_oldarg); |
twisti@1858 | 882 | |
twisti@1858 | 883 | // Move Gargs down to make room for dups. |
twisti@1858 | 884 | __ sll_ptr(G5_stack_move, LogBytesPerWord, G5_stack_move); |
twisti@1858 | 885 | __ add(Gargs, G5_stack_move, Gargs); |
twisti@1858 | 886 | |
twisti@1858 | 887 | // Compute the new Gargs (argslot[0]). |
twisti@1858 | 888 | Register O2_newarg = O2_scratch; |
twisti@1858 | 889 | __ mov(Gargs, O2_newarg); |
twisti@1858 | 890 | |
twisti@1858 | 891 | // Copy from oldarg[0...] down to newarg[0...] |
twisti@1858 | 892 | // Pseude-code: |
twisti@1858 | 893 | // O1_oldarg = old-Gargs |
twisti@1858 | 894 | // O2_newarg = new-Gargs |
twisti@1858 | 895 | // O0_argslot = argslot |
twisti@1858 | 896 | // while (O2_newarg < O1_oldarg) *O2_newarg = *O0_argslot++ |
twisti@1858 | 897 | Label loop; |
twisti@1858 | 898 | __ bind(loop); |
twisti@1858 | 899 | __ ld_ptr(Address(O0_argslot, 0), O3_scratch); |
twisti@1858 | 900 | __ st_ptr(O3_scratch, Address(O2_newarg, 0)); |
twisti@1858 | 901 | __ add(O0_argslot, wordSize, O0_argslot); |
twisti@1858 | 902 | __ add(O2_newarg, wordSize, O2_newarg); |
twisti@1858 | 903 | __ cmp(O2_newarg, O1_oldarg); |
twisti@1858 | 904 | __ brx(Assembler::less, false, Assembler::pt, loop); |
twisti@1858 | 905 | __ delayed()->nop(); // FILLME |
twisti@1858 | 906 | |
twisti@2201 | 907 | __ load_heap_oop(G3_mh_vmtarget, G3_method_handle); |
twisti@1858 | 908 | __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); |
twisti@1858 | 909 | } |
twisti@1858 | 910 | break; |
twisti@1858 | 911 | |
twisti@1858 | 912 | case _adapter_drop_args: |
twisti@1858 | 913 | { |
twisti@1858 | 914 | // 'argslot' is the position of the first argument to nuke. |
twisti@1858 | 915 | __ ldsw(G3_amh_vmargslot, O0_argslot); |
twisti@1858 | 916 | __ add(Gargs, __ argument_offset(O0_argslot), O0_argslot); |
twisti@1858 | 917 | |
twisti@1858 | 918 | // 'stack_move' is number of words to drop. |
twisti@1858 | 919 | Register G5_stack_move = G5_index; |
twisti@1858 | 920 | __ ldsw(G3_amh_conversion, G5_stack_move); |
twisti@1858 | 921 | __ sra(G5_stack_move, CONV_STACK_MOVE_SHIFT, G5_stack_move); |
twisti@1858 | 922 | |
twisti@1858 | 923 | remove_arg_slots(_masm, G5_stack_move, O0_argslot, O1_scratch, O2_scratch, O3_scratch); |
twisti@1858 | 924 | |
twisti@2201 | 925 | __ load_heap_oop(G3_mh_vmtarget, G3_method_handle); |
twisti@1858 | 926 | __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); |
twisti@1858 | 927 | } |
twisti@1858 | 928 | break; |
twisti@1858 | 929 | |
twisti@1858 | 930 | case _adapter_collect_args: |
twisti@1858 | 931 | __ unimplemented(entry_name(ek)); // %%% FIXME: NYI |
twisti@1858 | 932 | break; |
twisti@1858 | 933 | |
twisti@1858 | 934 | case _adapter_spread_args: |
twisti@1858 | 935 | // Handled completely by optimized cases. |
twisti@1858 | 936 | __ stop("init_AdapterMethodHandle should not issue this"); |
twisti@1858 | 937 | break; |
twisti@1858 | 938 | |
twisti@1858 | 939 | case _adapter_opt_spread_0: |
twisti@1858 | 940 | case _adapter_opt_spread_1: |
twisti@1858 | 941 | case _adapter_opt_spread_more: |
twisti@1858 | 942 | { |
twisti@1858 | 943 | // spread an array out into a group of arguments |
twisti@1858 | 944 | __ unimplemented(entry_name(ek)); |
twisti@1858 | 945 | } |
twisti@1858 | 946 | break; |
twisti@1858 | 947 | |
twisti@1858 | 948 | case _adapter_flyby: |
twisti@1858 | 949 | case _adapter_ricochet: |
twisti@1858 | 950 | __ unimplemented(entry_name(ek)); // %%% FIXME: NYI |
twisti@1858 | 951 | break; |
twisti@1858 | 952 | |
twisti@1858 | 953 | default: |
twisti@1858 | 954 | ShouldNotReachHere(); |
twisti@1858 | 955 | } |
twisti@1858 | 956 | |
twisti@1858 | 957 | address me_cookie = MethodHandleEntry::start_compiled_entry(_masm, interp_entry); |
twisti@1858 | 958 | __ unimplemented(entry_name(ek)); // %%% FIXME: NYI |
twisti@1858 | 959 | |
twisti@1858 | 960 | init_entry(ek, MethodHandleEntry::finish_compiled_entry(_masm, me_cookie)); |
jrose@1145 | 961 | } |