Fri, 27 Jul 2018 15:17:45 +0800
#7376 Implement MacroAssembler::incr_allocated_bytes
aoqi@1 | 1 | /* |
aoqi@1 | 2 | * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved. |
aoqi@1 | 3 | * Copyright (c) 2015, 2016, Loongson Technology. All rights reserved. |
aoqi@1 | 4 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@1 | 5 | * |
aoqi@1 | 6 | * This code is free software; you can redistribute it and/or modify it |
aoqi@1 | 7 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@1 | 8 | * published by the Free Software Foundation. |
aoqi@1 | 9 | * |
aoqi@1 | 10 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@1 | 11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@1 | 12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@1 | 13 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@1 | 14 | * accompanied this code). |
aoqi@1 | 15 | * |
aoqi@1 | 16 | * You should have received a copy of the GNU General Public License version |
aoqi@1 | 17 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@1 | 18 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@1 | 19 | * |
aoqi@1 | 20 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@1 | 21 | * or visit www.oracle.com if you need additional information or have any |
aoqi@1 | 22 | * questions. |
aoqi@1 | 23 | * |
aoqi@1 | 24 | */ |
aoqi@1 | 25 | |
aoqi@1 | 26 | #include "precompiled.hpp" |
aoqi@1 | 27 | #include "asm/assembler.hpp" |
aoqi@1 | 28 | #include "c1/c1_Defs.hpp" |
aoqi@1 | 29 | #include "c1/c1_MacroAssembler.hpp" |
aoqi@1 | 30 | #include "c1/c1_Runtime1.hpp" |
aoqi@1 | 31 | #include "interpreter/interpreter.hpp" |
aoqi@1 | 32 | #include "nativeInst_mips.hpp" |
aoqi@1 | 33 | #include "oops/compiledICHolder.hpp" |
aoqi@1 | 34 | #include "oops/oop.inline.hpp" |
aoqi@1 | 35 | #include "prims/jvmtiExport.hpp" |
aoqi@1 | 36 | #include "register_mips.hpp" |
aoqi@1 | 37 | #include "runtime/sharedRuntime.hpp" |
aoqi@1 | 38 | #include "runtime/signature.hpp" |
aoqi@1 | 39 | #include "runtime/vframeArray.hpp" |
aoqi@6880 | 40 | #include "utilities/macros.hpp" |
aoqi@1 | 41 | #include "vmreg_mips.inline.hpp" |
aoqi@6880 | 42 | #if INCLUDE_ALL_GCS |
aoqi@6880 | 43 | #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp" |
aoqi@6880 | 44 | #endif |
aoqi@1 | 45 | |
aoqi@1 | 46 | |
aoqi@1 | 47 | // Implementation of StubAssembler |
aoqi@1 | 48 | // this method will preserve the stack space for arguments as indicated by args_size |
aoqi@1 | 49 | // for stack alignment consideration, you cannot call this with argument in stack. |
aoqi@1 | 50 | // if you need >3 arguments, you must implement this method yourself. |
fujie@9153 | 51 | int StubAssembler::call_RT(Register oop_result1, Register metadata_result, address entry, int args_size) { |
aoqi@6880 | 52 | // i use S7 for edi. |
aoqi@6880 | 53 | // setup registers |
aoqi@6880 | 54 | const Register thread = TREG; // is callee-saved register (Visual C++ calling conventions) |
fujie@9153 | 55 | assert(!(oop_result1->is_valid() || metadata_result->is_valid()) || oop_result1 != metadata_result, "registers must be different"); |
fujie@9153 | 56 | assert(oop_result1 != thread && metadata_result != thread, "registers must be different"); |
aoqi@6880 | 57 | assert(args_size >= 0, "illegal args_size"); |
fujie@9153 | 58 | bool align_stack = false; |
fujie@9153 | 59 | #ifdef _LP64 |
fujie@9153 | 60 | // At a method handle call, the stack may not be properly aligned |
fujie@9153 | 61 | // when returning with an exception. |
fujie@9153 | 62 | align_stack = (stub_id() == Runtime1::handle_exception_from_callee_id); |
fujie@9153 | 63 | #endif |
aoqi@1 | 64 | |
aoqi@6880 | 65 | set_num_rt_args(1 + args_size); |
aoqi@1 | 66 | |
aoqi@1 | 67 | |
aoqi@6880 | 68 | // push java thread (becomes first argument of C function) |
aoqi@6880 | 69 | get_thread(thread); |
aoqi@6880 | 70 | move(A0, thread); |
aoqi@1 | 71 | |
fujie@9153 | 72 | if(!align_stack) { |
fujie@9153 | 73 | set_last_Java_frame(thread, NOREG, FP, NULL); |
fujie@9153 | 74 | } else { |
fujie@9153 | 75 | address the_pc = pc(); |
fujie@9153 | 76 | set_last_Java_frame(thread, NOREG, FP, the_pc); |
fujie@9153 | 77 | move(AT, -(StackAlignmentInBytes)); |
fujie@9153 | 78 | andr(SP, SP, AT); |
fujie@9153 | 79 | } |
aoqi@1 | 80 | |
aoqi@6880 | 81 | relocate(relocInfo::internal_pc_type); |
aoqi@6880 | 82 | { |
aoqi@1 | 83 | #ifndef _LP64 |
aoqi@6880 | 84 | int save_pc = (int)pc() + 12 + NativeCall::return_address_offset; |
aoqi@6880 | 85 | lui(AT, Assembler::split_high(save_pc)); |
aoqi@6880 | 86 | addiu(AT, AT, Assembler::split_low(save_pc)); |
aoqi@1 | 87 | #else |
aoqi@6880 | 88 | uintptr_t save_pc = (uintptr_t)pc() + NativeMovConstReg::instruction_size + 1 * BytesPerInstWord + NativeCall::return_address_offset_long; |
aoqi@6880 | 89 | li48(AT, save_pc); |
aoqi@1 | 90 | #endif |
aoqi@6880 | 91 | } |
aoqi@6880 | 92 | st_ptr(AT, thread, in_bytes(JavaThread::last_Java_pc_offset())); |
aoqi@1 | 93 | |
aoqi@6880 | 94 | // do the call |
aoqi@6880 | 95 | #ifndef _LP64 |
aoqi@6880 | 96 | lui(T9, Assembler::split_high((int)entry)); |
aoqi@6880 | 97 | addiu(T9, T9, Assembler::split_low((int)entry)); |
aoqi@6880 | 98 | #else |
aoqi@6880 | 99 | li48(T9, (intptr_t)entry); |
aoqi@1 | 100 | #endif |
aoqi@6880 | 101 | jalr(T9); |
aoqi@6880 | 102 | delayed()->nop(); |
fujie@9161 | 103 | |
fujie@9161 | 104 | int call_offset = offset(); |
aoqi@6880 | 105 | |
aoqi@6880 | 106 | // verify callee-saved register |
aoqi@6880 | 107 | #ifdef ASSERT |
aoqi@6880 | 108 | guarantee(thread != V0, "change this code"); |
aoqi@6880 | 109 | push(V0); |
aoqi@6880 | 110 | { |
aoqi@6880 | 111 | Label L; |
aoqi@6880 | 112 | get_thread(V0); |
aoqi@6880 | 113 | beq(thread, V0, L); |
aoqi@6880 | 114 | delayed()->nop(); |
aoqi@6880 | 115 | int3(); |
aoqi@6880 | 116 | stop("StubAssembler::call_RT: edi not callee saved?"); |
aoqi@6880 | 117 | bind(L); |
aoqi@6880 | 118 | } |
aoqi@6880 | 119 | super_pop(V0); |
aoqi@1 | 120 | #endif |
aoqi@6880 | 121 | // discard thread and arguments |
aoqi@6880 | 122 | ld_ptr(SP, thread, in_bytes(JavaThread::last_Java_sp_offset())); //by yyq |
fujie@9171 | 123 | reset_last_Java_frame(thread, true); |
aoqi@6880 | 124 | // check for pending exceptions |
aoqi@6880 | 125 | { |
aoqi@6880 | 126 | Label L; |
aoqi@6880 | 127 | ld_ptr(AT, thread, in_bytes(Thread::pending_exception_offset())); |
aoqi@6880 | 128 | beq(AT, R0, L); |
aoqi@6880 | 129 | delayed()->nop(); |
aoqi@6880 | 130 | // exception pending => remove activation and forward to exception handler |
aoqi@6880 | 131 | // make sure that the vm_results are cleared |
aoqi@6880 | 132 | if (oop_result1->is_valid()) { |
aoqi@6880 | 133 | st_ptr(R0, thread, in_bytes(JavaThread::vm_result_offset())); |
aoqi@6880 | 134 | } |
fujie@9153 | 135 | if (metadata_result->is_valid()) { |
aoqi@6880 | 136 | st_ptr(R0, thread, in_bytes(JavaThread::vm_result_2_offset())); |
aoqi@6880 | 137 | } |
aoqi@6880 | 138 | // the leave() in x86 just pops ebp and remains the return address on the top |
aoqi@6880 | 139 | // of stack |
aoqi@6880 | 140 | // the return address will be needed by forward_exception_entry() |
aoqi@6880 | 141 | if (frame_size() == no_frame_size) { |
aoqi@6880 | 142 | addiu(SP, FP, wordSize); |
aoqi@6880 | 143 | ld_ptr(FP, SP, (-1) * wordSize); |
aoqi@6880 | 144 | jmp(StubRoutines::forward_exception_entry(), relocInfo::runtime_call_type); |
aoqi@6880 | 145 | delayed()->nop(); |
aoqi@6880 | 146 | } else if (_stub_id == Runtime1::forward_exception_id) { |
aoqi@6880 | 147 | should_not_reach_here(); |
aoqi@6880 | 148 | } else { |
aoqi@8865 | 149 | jmp(Runtime1::entry_for(Runtime1::forward_exception_id), relocInfo::runtime_call_type); |
aoqi@6880 | 150 | delayed()->nop(); |
aoqi@6880 | 151 | } |
aoqi@6880 | 152 | bind(L); |
aoqi@6880 | 153 | } |
aoqi@6880 | 154 | // get oop results if there are any and reset the values in the thread |
aoqi@6880 | 155 | if (oop_result1->is_valid()) { |
aoqi@6880 | 156 | ld_ptr(oop_result1, thread, in_bytes(JavaThread::vm_result_offset())); |
aoqi@6880 | 157 | st_ptr(R0, thread, in_bytes(JavaThread::vm_result_offset())); |
aoqi@6880 | 158 | verify_oop(oop_result1); |
aoqi@6880 | 159 | } |
fujie@9153 | 160 | if (metadata_result->is_valid()) { |
fujie@9153 | 161 | ld_ptr(metadata_result, thread, in_bytes(JavaThread::vm_result_2_offset())); |
aoqi@6880 | 162 | st_ptr(R0, thread, in_bytes(JavaThread::vm_result_2_offset())); |
fujie@9153 | 163 | verify_oop(metadata_result); |
aoqi@6880 | 164 | } |
aoqi@6880 | 165 | return call_offset; |
aoqi@1 | 166 | } |
aoqi@1 | 167 | |
aoqi@1 | 168 | |
fujie@9153 | 169 | int StubAssembler::call_RT(Register oop_result1, Register metadata_result, address entry, Register arg1) { |
aoqi@6880 | 170 | if (arg1 != A1) move(A1, arg1); |
fujie@9153 | 171 | return call_RT(oop_result1, metadata_result, entry, 1); |
aoqi@1 | 172 | } |
aoqi@1 | 173 | |
aoqi@1 | 174 | |
fujie@9153 | 175 | int StubAssembler::call_RT(Register oop_result1, Register metadata_result, address entry, Register arg1, Register arg2) { |
aoqi@6880 | 176 | if (arg1!=A1) move(A1, arg1); |
aoqi@6880 | 177 | if (arg2!=A2) move(A2, arg2); assert(arg2 != A1, "smashed argument"); |
fujie@9153 | 178 | return call_RT(oop_result1, metadata_result, entry, 2); |
aoqi@1 | 179 | } |
aoqi@1 | 180 | |
aoqi@1 | 181 | |
fujie@9153 | 182 | int StubAssembler::call_RT(Register oop_result1, Register metadata_result, address entry, Register arg1, Register arg2, Register arg3) { |
aoqi@6880 | 183 | if (arg1!=A1) move(A1, arg1); |
aoqi@6880 | 184 | if (arg2!=A2) move(A2, arg2); assert(arg2 != A1, "smashed argument"); |
aoqi@6880 | 185 | if (arg3!=A3) move(A3, arg3); assert(arg3 != A1 && arg3 != A2, "smashed argument"); |
fujie@9153 | 186 | return call_RT(oop_result1, metadata_result, entry, 3); |
aoqi@1 | 187 | } |
aoqi@1 | 188 | |
aoqi@1 | 189 | |
aoqi@1 | 190 | // Implementation of StubFrame |
aoqi@1 | 191 | |
aoqi@1 | 192 | class StubFrame: public StackObj { |
aoqi@6880 | 193 | private: |
aoqi@6880 | 194 | StubAssembler* _sasm; |
aoqi@1 | 195 | |
aoqi@6880 | 196 | public: |
aoqi@6880 | 197 | StubFrame(StubAssembler* sasm, const char* name, bool must_gc_arguments); |
aoqi@6880 | 198 | void load_argument(int offset_in_words, Register reg); |
aoqi@6880 | 199 | |
aoqi@6880 | 200 | ~StubFrame(); |
aoqi@1 | 201 | }; |
aoqi@1 | 202 | |
aoqi@1 | 203 | |
aoqi@1 | 204 | #define __ _sasm-> |
aoqi@1 | 205 | |
aoqi@1 | 206 | StubFrame::StubFrame(StubAssembler* sasm, const char* name, bool must_gc_arguments) { |
aoqi@6880 | 207 | _sasm = sasm; |
aoqi@6880 | 208 | __ set_info(name, must_gc_arguments); |
aoqi@6880 | 209 | __ enter(); |
aoqi@1 | 210 | } |
aoqi@1 | 211 | |
aoqi@1 | 212 | |
aoqi@1 | 213 | //FIXME, I have no idea the frame architecture of mips |
aoqi@1 | 214 | // load parameters that were stored with LIR_Assembler::store_parameter |
aoqi@6880 | 215 | // Note: offsets for store_parameter and load_argument must match |
aoqi@1 | 216 | void StubFrame::load_argument(int offset_in_words, Register reg) { |
aoqi@6880 | 217 | //ebp + 0: link |
aoqi@6880 | 218 | // + 1: return address |
aoqi@6880 | 219 | // + 2: argument with offset 0 |
aoqi@6880 | 220 | // + 3: argument with offset 1 |
aoqi@6880 | 221 | // + 4: ... |
aoqi@6880 | 222 | __ ld_ptr(reg, Address(FP, (offset_in_words + 2) * BytesPerWord)); |
aoqi@1 | 223 | } |
aoqi@6880 | 224 | |
aoqi@6880 | 225 | |
aoqi@1 | 226 | StubFrame::~StubFrame() { |
aoqi@6880 | 227 | __ leave(); |
aoqi@6880 | 228 | __ jr(RA); |
aoqi@6880 | 229 | __ delayed()->nop(); |
aoqi@1 | 230 | } |
aoqi@1 | 231 | |
aoqi@1 | 232 | #undef __ |
aoqi@1 | 233 | |
aoqi@1 | 234 | |
aoqi@1 | 235 | // Implementation of Runtime1 |
aoqi@1 | 236 | |
aoqi@1 | 237 | #define __ sasm-> |
aoqi@1 | 238 | |
aoqi@1 | 239 | //static OopMap* save_live_registers(MacroAssembler* sasm, int num_rt_args); |
aoqi@1 | 240 | //static void restore_live_registers(MacroAssembler* sasm); |
aoqi@1 | 241 | //DeoptimizationBlob* SharedRuntime::_deopt_blob = NULL; |
aoqi@1 | 242 | /* |
aoqi@1 | 243 | const int fpu_stack_as_doubles_size_in_words = 16; |
aoqi@1 | 244 | const int fpu_stack_as_doubles_size = 64; |
aoqi@1 | 245 | */ |
aoqi@1 | 246 | const int float_regs_as_doubles_size_in_words = 16; |
aoqi@1 | 247 | |
aoqi@6880 | 248 | //FIXME, |
aoqi@1 | 249 | // Stack layout for saving/restoring all the registers needed during a runtime |
aoqi@1 | 250 | // call (this includes deoptimization) |
aoqi@1 | 251 | // Note: note that users of this frame may well have arguments to some runtime |
aoqi@1 | 252 | // while these values are on the stack. These positions neglect those arguments |
aoqi@1 | 253 | // but the code in save_live_registers will take the argument count into |
aoqi@1 | 254 | // account. |
aoqi@1 | 255 | // |
aoqi@1 | 256 | #ifdef _LP64 |
aoqi@1 | 257 | #define SLOT2(x) x, |
aoqi@1 | 258 | #define SLOT_PER_WORD 2 |
aoqi@1 | 259 | #else |
aoqi@1 | 260 | #define SLOT2(x) |
aoqi@1 | 261 | #define SLOT_PER_WORD 1 |
aoqi@1 | 262 | #endif // _LP64 |
aoqi@1 | 263 | |
aoqi@1 | 264 | enum reg_save_layout { |
aoqi@1 | 265 | #ifndef _LP64 |
aoqi@1 | 266 | T0_off = 0, |
aoqi@1 | 267 | S0_off = T0_off + SLOT_PER_WORD * 8, |
aoqi@1 | 268 | #else |
aoqi@1 | 269 | A4_off = 0, |
aoqi@1 | 270 | S0_off = A4_off + SLOT_PER_WORD * 8, |
aoqi@1 | 271 | #endif |
aoqi@1 | 272 | FP_off = S0_off + SLOT_PER_WORD * 8, SLOT2(FPH_off) |
aoqi@1 | 273 | T8_off, SLOT2(T8H_off) |
aoqi@1 | 274 | T9_off, SLOT2(T9H_off) |
aoqi@1 | 275 | SP_off, SLOT2(SPH_off) |
aoqi@1 | 276 | V0_off, SLOT2(V0H_off) |
aoqi@1 | 277 | V1_off, SLOT2(V1H_off) |
aoqi@1 | 278 | A0_off, SLOT2(A0H_off) |
aoqi@1 | 279 | A1_off, SLOT2(A1H_off) |
aoqi@1 | 280 | A2_off, SLOT2(A2H_off) |
aoqi@1 | 281 | A3_off, SLOT2(A3H_off) |
aoqi@1 | 282 | |
aoqi@1 | 283 | // Float registers |
aoqi@1 | 284 | /* FIXME: Jin: In MIPS64, F0~23 are all caller-saved registers */ |
aoqi@1 | 285 | F0_off, SLOT2( F0H_off) |
aoqi@1 | 286 | F1_off, SLOT2( F1H_off) |
aoqi@1 | 287 | F2_off, SLOT2( F2H_off) |
aoqi@1 | 288 | F3_off, SLOT2( F3H_off) |
aoqi@1 | 289 | F4_off, SLOT2( F4H_off) |
aoqi@1 | 290 | F5_off, SLOT2( F5H_off) |
aoqi@1 | 291 | F6_off, SLOT2( F6H_off) |
aoqi@1 | 292 | F7_off, SLOT2( F7H_off) |
aoqi@1 | 293 | F8_off, SLOT2( F8H_off) |
aoqi@1 | 294 | F9_off, SLOT2( F9H_off) |
aoqi@1 | 295 | F10_off, SLOT2( F10H_off) |
aoqi@1 | 296 | F11_off, SLOT2( F11H_off) |
aoqi@1 | 297 | F12_off, SLOT2( F12H_off) |
aoqi@1 | 298 | F13_off, SLOT2( F13H_off) |
aoqi@1 | 299 | F14_off, SLOT2( F14H_off) |
aoqi@1 | 300 | F15_off, SLOT2( F15H_off) |
aoqi@1 | 301 | F16_off, SLOT2( F16H_off) |
aoqi@1 | 302 | F17_off, SLOT2( F17H_off) |
aoqi@1 | 303 | F18_off, SLOT2( F18H_off) |
aoqi@1 | 304 | F19_off, SLOT2( F19H_off) |
aoqi@1 | 305 | |
aoqi@1 | 306 | GP_off, SLOT2( GPH_off) |
aoqi@1 | 307 | //temp_2_off, |
aoqi@1 | 308 | temp_1_off, SLOT2(temp_1H_off) |
aoqi@1 | 309 | saved_fp_off, SLOT2(saved_fpH_off) |
aoqi@1 | 310 | return_off, SLOT2(returnH_off) |
aoqi@1 | 311 | |
aoqi@1 | 312 | reg_save_frame_size, |
aoqi@1 | 313 | |
aoqi@1 | 314 | // illegal instruction handler |
aoqi@1 | 315 | continue_dest_off = temp_1_off, |
aoqi@1 | 316 | |
aoqi@1 | 317 | // deoptimization equates |
aoqi@1 | 318 | //deopt_type = temp_2_off, // slot for type of deopt in progress |
aoqi@1 | 319 | ret_type = temp_1_off // slot for return type |
aoqi@1 | 320 | }; |
aoqi@1 | 321 | |
aoqi@6880 | 322 | |
aoqi@6880 | 323 | |
aoqi@1 | 324 | // Save off registers which might be killed by calls into the runtime. |
aoqi@1 | 325 | // Tries to smart of about FP registers. In particular we separate |
aoqi@1 | 326 | // saving and describing the FPU registers for deoptimization since we |
aoqi@1 | 327 | // have to save the FPU registers twice if we describe them and on P4 |
aoqi@1 | 328 | // saving FPU registers which don't contain anything appears |
aoqi@1 | 329 | // expensive. The deopt blob is the only thing which needs to |
aoqi@1 | 330 | // describe FPU registers. In all other cases it should be sufficient |
aoqi@1 | 331 | // to simply save their current value. |
aoqi@1 | 332 | //FIXME, I have no idea which register should be saved . @jerome |
aoqi@1 | 333 | static OopMap* generate_oop_map(StubAssembler* sasm, int num_rt_args, |
aoqi@6880 | 334 | bool save_fpu_registers = true, bool describe_fpu_registers = false) { |
aoqi@1 | 335 | |
aoqi@8865 | 336 | LP64_ONLY(num_rt_args = 0); |
aoqi@8865 | 337 | LP64_ONLY(assert((reg_save_frame_size * VMRegImpl::stack_slot_size) % 16 == 0, "must be 16 byte aligned");) |
aoqi@8865 | 338 | int frame_size_in_slots = reg_save_frame_size + num_rt_args * wordSize / VMRegImpl::slots_per_word; // args + thread |
aoqi@8865 | 339 | sasm->set_frame_size(frame_size_in_slots / VMRegImpl::slots_per_word); |
aoqi@1 | 340 | |
aoqi@1 | 341 | // record saved value locations in an OopMap |
aoqi@6880 | 342 | // locations are offsets from sp after runtime call; num_rt_args is number of arguments |
aoqi@1 | 343 | // in call, including thread |
aoqi@1 | 344 | OopMap* map = new OopMap(reg_save_frame_size, 0); |
aoqi@6880 | 345 | |
aoqi@1 | 346 | map->set_callee_saved(VMRegImpl::stack2reg(V0_off + num_rt_args), V0->as_VMReg()); |
aoqi@1 | 347 | map->set_callee_saved(VMRegImpl::stack2reg(V1_off + num_rt_args), V1->as_VMReg()); |
aoqi@1 | 348 | #ifdef _LP64 |
aoqi@1 | 349 | map->set_callee_saved(VMRegImpl::stack2reg(V0H_off + num_rt_args), V0->as_VMReg()->next()); |
aoqi@1 | 350 | map->set_callee_saved(VMRegImpl::stack2reg(V1H_off + num_rt_args), V1->as_VMReg()->next()); |
aoqi@1 | 351 | #endif |
aoqi@1 | 352 | |
aoqi@1 | 353 | int i = 0; |
aoqi@1 | 354 | #ifndef _LP64 |
aoqi@1 | 355 | for (Register r = T0; r != T7->successor(); r = r->successor() ) { |
aoqi@1 | 356 | map->set_callee_saved(VMRegImpl::stack2reg(T0_off + num_rt_args + i++), r->as_VMReg()); |
aoqi@1 | 357 | } |
aoqi@1 | 358 | #else |
aoqi@1 | 359 | for (Register r = A4; r != T3->successor(); r = r->successor() ) { |
aoqi@1 | 360 | map->set_callee_saved(VMRegImpl::stack2reg(A4_off + num_rt_args + i++), r->as_VMReg()); |
aoqi@1 | 361 | map->set_callee_saved(VMRegImpl::stack2reg(A4_off + num_rt_args + i++), r->as_VMReg()->next()); |
aoqi@1 | 362 | } |
aoqi@1 | 363 | #endif |
aoqi@1 | 364 | |
aoqi@1 | 365 | i = 0; |
aoqi@1 | 366 | for (Register r = S0; r != S7->successor(); r = r->successor() ) { |
aoqi@1 | 367 | map->set_callee_saved(VMRegImpl::stack2reg(S0_off + num_rt_args + i++), r->as_VMReg()); |
aoqi@1 | 368 | #ifdef _LP64 |
aoqi@1 | 369 | map->set_callee_saved(VMRegImpl::stack2reg(S0_off + num_rt_args + i++), r->as_VMReg()->next()); |
aoqi@1 | 370 | #endif |
aoqi@1 | 371 | } |
aoqi@1 | 372 | |
aoqi@1 | 373 | map->set_callee_saved(VMRegImpl::stack2reg(FP_off + num_rt_args), FP->as_VMReg()); |
aoqi@1 | 374 | map->set_callee_saved(VMRegImpl::stack2reg(GP_off + num_rt_args), GP->as_VMReg()); |
aoqi@1 | 375 | map->set_callee_saved(VMRegImpl::stack2reg(T8_off + num_rt_args), T8->as_VMReg()); |
aoqi@1 | 376 | map->set_callee_saved(VMRegImpl::stack2reg(T9_off + num_rt_args), T9->as_VMReg()); |
aoqi@1 | 377 | map->set_callee_saved(VMRegImpl::stack2reg(A0_off + num_rt_args), A0->as_VMReg()); |
aoqi@1 | 378 | map->set_callee_saved(VMRegImpl::stack2reg(A1_off + num_rt_args), A1->as_VMReg()); |
aoqi@1 | 379 | map->set_callee_saved(VMRegImpl::stack2reg(A2_off + num_rt_args), A2->as_VMReg()); |
aoqi@1 | 380 | map->set_callee_saved(VMRegImpl::stack2reg(A3_off + num_rt_args), A3->as_VMReg()); |
aoqi@1 | 381 | |
aoqi@1 | 382 | map->set_callee_saved(VMRegImpl::stack2reg(F0_off + num_rt_args), F0->as_VMReg()); |
aoqi@1 | 383 | map->set_callee_saved(VMRegImpl::stack2reg(F1_off + num_rt_args), F1->as_VMReg()); |
aoqi@1 | 384 | map->set_callee_saved(VMRegImpl::stack2reg(F2_off + num_rt_args), F2->as_VMReg()); |
aoqi@1 | 385 | map->set_callee_saved(VMRegImpl::stack2reg(F3_off + num_rt_args), F1->as_VMReg()); |
aoqi@1 | 386 | map->set_callee_saved(VMRegImpl::stack2reg(F4_off + num_rt_args), F4->as_VMReg()); |
aoqi@1 | 387 | map->set_callee_saved(VMRegImpl::stack2reg(F5_off + num_rt_args), F4->as_VMReg()); |
aoqi@1 | 388 | map->set_callee_saved(VMRegImpl::stack2reg(F6_off + num_rt_args), F4->as_VMReg()); |
aoqi@1 | 389 | map->set_callee_saved(VMRegImpl::stack2reg(F7_off + num_rt_args), F4->as_VMReg()); |
aoqi@1 | 390 | map->set_callee_saved(VMRegImpl::stack2reg(F8_off + num_rt_args), F4->as_VMReg()); |
aoqi@1 | 391 | map->set_callee_saved(VMRegImpl::stack2reg(F9_off + num_rt_args), F4->as_VMReg()); |
aoqi@1 | 392 | map->set_callee_saved(VMRegImpl::stack2reg(F10_off + num_rt_args), F4->as_VMReg()); |
aoqi@1 | 393 | map->set_callee_saved(VMRegImpl::stack2reg(F11_off + num_rt_args), F4->as_VMReg()); |
aoqi@1 | 394 | map->set_callee_saved(VMRegImpl::stack2reg(F12_off + num_rt_args), F12->as_VMReg()); |
aoqi@1 | 395 | map->set_callee_saved(VMRegImpl::stack2reg(F13_off + num_rt_args), F13->as_VMReg()); |
aoqi@1 | 396 | map->set_callee_saved(VMRegImpl::stack2reg(F14_off + num_rt_args), F14->as_VMReg()); |
aoqi@1 | 397 | map->set_callee_saved(VMRegImpl::stack2reg(F15_off + num_rt_args), F15->as_VMReg()); |
aoqi@1 | 398 | map->set_callee_saved(VMRegImpl::stack2reg(F16_off + num_rt_args), F16->as_VMReg()); |
aoqi@1 | 399 | map->set_callee_saved(VMRegImpl::stack2reg(F17_off + num_rt_args), F17->as_VMReg()); |
aoqi@1 | 400 | map->set_callee_saved(VMRegImpl::stack2reg(F18_off + num_rt_args), F18->as_VMReg()); |
aoqi@1 | 401 | map->set_callee_saved(VMRegImpl::stack2reg(F19_off + num_rt_args), F19->as_VMReg()); |
aoqi@1 | 402 | |
aoqi@1 | 403 | #ifdef _LP64 |
aoqi@1 | 404 | map->set_callee_saved(VMRegImpl::stack2reg(FPH_off + num_rt_args), FP->as_VMReg()->next()); |
aoqi@1 | 405 | map->set_callee_saved(VMRegImpl::stack2reg(GPH_off + num_rt_args), GP->as_VMReg()->next()); |
aoqi@1 | 406 | map->set_callee_saved(VMRegImpl::stack2reg(T8H_off + num_rt_args), T8->as_VMReg()->next()); |
aoqi@1 | 407 | map->set_callee_saved(VMRegImpl::stack2reg(T9H_off + num_rt_args), T9->as_VMReg()->next()); |
aoqi@1 | 408 | map->set_callee_saved(VMRegImpl::stack2reg(A0H_off + num_rt_args), A0->as_VMReg()->next()); |
aoqi@1 | 409 | map->set_callee_saved(VMRegImpl::stack2reg(A1H_off + num_rt_args), A1->as_VMReg()->next()); |
aoqi@1 | 410 | map->set_callee_saved(VMRegImpl::stack2reg(A2H_off + num_rt_args), A2->as_VMReg()->next()); |
aoqi@1 | 411 | map->set_callee_saved(VMRegImpl::stack2reg(A3H_off + num_rt_args), A3->as_VMReg()->next()); |
aoqi@1 | 412 | #endif |
aoqi@1 | 413 | return map; |
aoqi@1 | 414 | } |
aoqi@1 | 415 | |
aoqi@1 | 416 | //FIXME, Is it enough to save this registers by yyq |
aoqi@8865 | 417 | static OopMap* save_live_registers(StubAssembler* sasm, int num_rt_args, |
aoqi@8865 | 418 | bool save_fpu_registers = true, |
aoqi@1 | 419 | bool describe_fpu_registers = false) { |
aoqi@1 | 420 | //const int reg_save_frame_size = return_off + 1 + num_rt_args; |
aoqi@1 | 421 | __ block_comment("save_live_registers"); |
aoqi@1 | 422 | |
aoqi@6880 | 423 | // save all register state - int, fpu |
aoqi@1 | 424 | __ addi(SP, SP, -(reg_save_frame_size / SLOT_PER_WORD - 2)* wordSize); |
aoqi@6880 | 425 | |
aoqi@1 | 426 | #ifndef _LP64 |
aoqi@1 | 427 | for (Register r = T0; r != T7->successor(); r = r->successor() ) { |
aoqi@1 | 428 | __ sw(r, SP, (r->encoding() - T0->encoding() + T0_off / SLOT_PER_WORD) * wordSize); |
aoqi@1 | 429 | #else |
aoqi@1 | 430 | for (Register r = A4; r != T3->successor(); r = r->successor() ) { |
aoqi@1 | 431 | __ sd(r, SP, (r->encoding() - A4->encoding() + A4_off / SLOT_PER_WORD) * wordSize); |
aoqi@1 | 432 | #endif |
aoqi@1 | 433 | } |
aoqi@1 | 434 | for (Register r = S0; r != S7->successor(); r = r->successor() ) { |
aoqi@1 | 435 | __ st_ptr(r, SP, (r->encoding() - S0->encoding() + S0_off / SLOT_PER_WORD) * wordSize); |
aoqi@1 | 436 | } |
aoqi@1 | 437 | __ st_ptr(FP, SP, FP_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 438 | __ st_ptr(GP, SP, GP_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 439 | __ st_ptr(T8, SP, T8_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 440 | __ st_ptr(T9, SP, T9_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 441 | __ st_ptr(A0, SP, A0_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 442 | __ st_ptr(A1, SP, A1_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 443 | __ st_ptr(A2, SP, A2_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 444 | __ st_ptr(A3, SP, A3_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 445 | __ st_ptr(V0, SP, V0_off * wordSize / SLOT_PER_WORD); |
aoqi@6880 | 446 | __ st_ptr(V1, SP, V1_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 447 | |
aoqi@6880 | 448 | __ sdc1(F0, SP, F0_off * wordSize / SLOT_PER_WORD); |
aoqi@6880 | 449 | __ sdc1(F1, SP, F1_off * wordSize / SLOT_PER_WORD); |
aoqi@6880 | 450 | __ sdc1(F2, SP, F2_off * wordSize / SLOT_PER_WORD); |
aoqi@6880 | 451 | __ sdc1(F3, SP, F3_off * wordSize / SLOT_PER_WORD); |
aoqi@6880 | 452 | __ sdc1(F4, SP, F4_off * wordSize / SLOT_PER_WORD); |
aoqi@6880 | 453 | __ sdc1(F5, SP, F5_off * wordSize / SLOT_PER_WORD); |
aoqi@6880 | 454 | __ sdc1(F6, SP, F6_off * wordSize / SLOT_PER_WORD); |
aoqi@6880 | 455 | __ sdc1(F7, SP, F7_off * wordSize / SLOT_PER_WORD); |
aoqi@6880 | 456 | __ sdc1(F8, SP, F8_off * wordSize / SLOT_PER_WORD); |
aoqi@6880 | 457 | __ sdc1(F9, SP, F9_off * wordSize / SLOT_PER_WORD); |
aoqi@6880 | 458 | __ sdc1(F10, SP, F10_off * wordSize / SLOT_PER_WORD); |
aoqi@6880 | 459 | __ sdc1(F11, SP, F11_off * wordSize / SLOT_PER_WORD); |
aoqi@6880 | 460 | __ sdc1(F12, SP, F12_off * wordSize / SLOT_PER_WORD); |
aoqi@6880 | 461 | __ sdc1(F13, SP, F13_off * wordSize / SLOT_PER_WORD); |
aoqi@6880 | 462 | __ sdc1(F14, SP, F14_off * wordSize / SLOT_PER_WORD); |
aoqi@6880 | 463 | __ sdc1(F15, SP, F15_off * wordSize / SLOT_PER_WORD); |
aoqi@6880 | 464 | __ sdc1(F16, SP, F16_off * wordSize / SLOT_PER_WORD); |
aoqi@6880 | 465 | __ sdc1(F17, SP, F17_off * wordSize / SLOT_PER_WORD); |
aoqi@6880 | 466 | __ sdc1(F18, SP, F18_off * wordSize / SLOT_PER_WORD); |
aoqi@6880 | 467 | __ sdc1(F19, SP, F19_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 468 | |
aoqi@1 | 469 | return generate_oop_map(sasm, num_rt_args, save_fpu_registers, describe_fpu_registers); |
aoqi@1 | 470 | } |
aoqi@1 | 471 | |
aoqi@1 | 472 | static void restore_fpu(StubAssembler* sasm, bool restore_fpu_registers = true) { |
aoqi@1 | 473 | //static void restore_live_registers(MacroAssembler* sasm) { |
aoqi@1 | 474 | #ifndef _LP64 |
aoqi@1 | 475 | for (Register r = T0; r != T7->successor(); r = r->successor() ) { |
aoqi@1 | 476 | __ lw(r, SP, (r->encoding() - T0->encoding() + T0_off / SLOT_PER_WORD) * wordSize); |
aoqi@1 | 477 | #else |
aoqi@1 | 478 | for (Register r = A4; r != T3->successor(); r = r->successor() ) { |
aoqi@1 | 479 | __ ld(r, SP, (r->encoding() - A4->encoding() + A4_off / SLOT_PER_WORD) * wordSize); |
aoqi@1 | 480 | #endif |
aoqi@1 | 481 | } |
aoqi@1 | 482 | for (Register r = S0; r != S7->successor(); r = r->successor() ) { |
aoqi@1 | 483 | __ ld_ptr(r, SP, (r->encoding() - S0->encoding() + S0_off / SLOT_PER_WORD) * wordSize); |
aoqi@1 | 484 | } |
aoqi@1 | 485 | __ ld_ptr(FP, SP, FP_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 486 | __ ld_ptr(GP, SP, GP_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 487 | |
aoqi@1 | 488 | __ ld_ptr(T8, SP, T8_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 489 | __ ld_ptr(T9, SP, T9_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 490 | __ ld_ptr(A0, SP, A0_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 491 | __ ld_ptr(A1, SP, A1_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 492 | __ ld_ptr(A2, SP, A2_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 493 | __ ld_ptr(A3, SP, A3_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 494 | |
aoqi@1 | 495 | __ ld_ptr(V0, SP, V0_off * wordSize / SLOT_PER_WORD); |
aoqi@6880 | 496 | __ ld_ptr(V1, SP, V1_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 497 | |
aoqi@1 | 498 | __ ldc1(F0, SP, F0_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 499 | __ ldc1(F1, SP, F1_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 500 | __ ldc1(F2, SP, F2_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 501 | __ ldc1(F3, SP, F3_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 502 | __ ldc1(F4, SP, F4_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 503 | __ ldc1(F5, SP, F5_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 504 | __ ldc1(F6, SP, F6_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 505 | __ ldc1(F7, SP, F7_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 506 | __ ldc1(F8, SP, F8_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 507 | __ ldc1(F9, SP, F9_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 508 | __ ldc1(F10, SP, F10_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 509 | __ ldc1(F11, SP, F11_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 510 | __ ldc1(F12, SP, F12_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 511 | __ ldc1(F13, SP, F13_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 512 | __ ldc1(F14, SP, F14_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 513 | __ ldc1(F15, SP, F15_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 514 | __ ldc1(F16, SP, F16_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 515 | __ ldc1(F17, SP, F17_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 516 | __ ldc1(F18, SP, F18_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 517 | __ ldc1(F19, SP, F19_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 518 | |
aoqi@1 | 519 | __ addiu(SP, SP, (reg_save_frame_size / SLOT_PER_WORD - 2) * wordSize); |
aoqi@1 | 520 | } |
aoqi@1 | 521 | |
aoqi@1 | 522 | static void restore_live_registers(StubAssembler* sasm, bool restore_fpu_registers = true) { |
aoqi@1 | 523 | __ block_comment("restore_live_registers"); |
aoqi@1 | 524 | restore_fpu(sasm, restore_fpu_registers); |
aoqi@1 | 525 | } |
aoqi@1 | 526 | |
aoqi@6880 | 527 | static void restore_live_registers_except_V0(StubAssembler* sasm, bool restore_fpu_registers = true) { |
aoqi@1 | 528 | //static void restore_live_registers(MacroAssembler* sasm) { |
aoqi@1 | 529 | //FIXME , maybe V1 need to be saved too |
aoqi@1 | 530 | __ block_comment("restore_live_registers except V0"); |
aoqi@1 | 531 | #ifndef _LP64 |
aoqi@1 | 532 | for (Register r = T0; r != T7->successor(); r = r->successor() ) { |
aoqi@6880 | 533 | __ lw(r, SP, (r->encoding() - T0->encoding() + T0_off / SLOT_PER_WORD) * wordSize); |
aoqi@1 | 534 | #else |
aoqi@1 | 535 | for (Register r = A4; r != T3->successor(); r = r->successor() ) { |
aoqi@6880 | 536 | __ ld(r, SP, (r->encoding() - A4->encoding() + A4_off / SLOT_PER_WORD) * wordSize); |
aoqi@1 | 537 | #endif |
aoqi@1 | 538 | } |
aoqi@1 | 539 | for (Register r = S0; r != S7->successor(); r = r->successor() ) { |
aoqi@6880 | 540 | __ ld_ptr(r, SP, (r->encoding() - S0->encoding() + S0_off / SLOT_PER_WORD) * wordSize); |
aoqi@1 | 541 | } |
aoqi@1 | 542 | __ ld_ptr(FP, SP, FP_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 543 | __ ld_ptr(GP, SP, GP_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 544 | |
aoqi@1 | 545 | __ ld_ptr(T8, SP, T8_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 546 | __ ld_ptr(T9, SP, T9_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 547 | __ ld_ptr(A0, SP, A0_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 548 | __ ld_ptr(A1, SP, A1_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 549 | __ ld_ptr(A2, SP, A2_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 550 | __ ld_ptr(A3, SP, A3_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 551 | |
aoqi@1 | 552 | #if 1 |
aoqi@1 | 553 | __ ldc1(F0, SP, F0_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 554 | __ ldc1(F1, SP, F1_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 555 | __ ldc1(F2, SP, F2_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 556 | __ ldc1(F3, SP, F3_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 557 | __ ldc1(F4, SP, F4_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 558 | __ ldc1(F5, SP, F5_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 559 | __ ldc1(F6, SP, F6_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 560 | __ ldc1(F7, SP, F7_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 561 | __ ldc1(F8, SP, F8_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 562 | __ ldc1(F9, SP, F9_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 563 | __ ldc1(F10, SP, F10_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 564 | __ ldc1(F11, SP, F11_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 565 | __ ldc1(F12, SP, F12_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 566 | __ ldc1(F13, SP, F13_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 567 | __ ldc1(F14, SP, F14_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 568 | __ ldc1(F15, SP, F15_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 569 | __ ldc1(F16, SP, F16_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 570 | __ ldc1(F17, SP, F17_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 571 | __ ldc1(F18, SP, F18_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 572 | __ ldc1(F19, SP, F19_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 573 | #endif |
aoqi@1 | 574 | |
aoqi@6880 | 575 | __ ld_ptr(V1, SP, V1_off * wordSize / SLOT_PER_WORD); |
aoqi@1 | 576 | |
aoqi@1 | 577 | __ addiu(SP, SP, (reg_save_frame_size / SLOT_PER_WORD - 2) * wordSize); |
aoqi@1 | 578 | } |
aoqi@1 | 579 | |
aoqi@1 | 580 | void Runtime1::initialize_pd() { |
aoqi@1 | 581 | // nothing to do |
aoqi@1 | 582 | } |
aoqi@1 | 583 | |
aoqi@1 | 584 | // target: the entry point of the method that creates and posts the exception oop |
aoqi@1 | 585 | // has_argument: true if the exception needs an argument (passed on stack because registers must be preserved) |
aoqi@1 | 586 | OopMapSet* Runtime1::generate_exception_throw(StubAssembler* sasm, address target, bool has_argument) { |
aoqi@6880 | 587 | // preserve all registers |
aoqi@6880 | 588 | OopMap* oop_map = save_live_registers(sasm, 0); |
aoqi@1 | 589 | |
aoqi@6880 | 590 | // now all registers are saved and can be used freely |
aoqi@6880 | 591 | // verify that no old value is used accidentally |
aoqi@6880 | 592 | //all reigster are saved , I think mips do not need this |
aoqi@1 | 593 | |
aoqi@6880 | 594 | // registers used by this stub |
aoqi@6880 | 595 | const Register temp_reg = T3; |
aoqi@6880 | 596 | // load argument for exception that is passed as an argument into the stub |
aoqi@6880 | 597 | if (has_argument) { |
aoqi@6880 | 598 | __ ld_ptr(temp_reg, Address(FP, 2*BytesPerWord)); |
aoqi@6880 | 599 | } |
aoqi@6880 | 600 | int call_offset; |
aoqi@6880 | 601 | if (has_argument) |
aoqi@6880 | 602 | call_offset = __ call_RT(noreg, noreg, target, temp_reg); |
aoqi@1 | 603 | else |
aoqi@6880 | 604 | call_offset = __ call_RT(noreg, noreg, target); |
aoqi@1 | 605 | |
aoqi@6880 | 606 | OopMapSet* oop_maps = new OopMapSet(); |
aoqi@6880 | 607 | oop_maps->add_gc_map(call_offset, oop_map); |
aoqi@1 | 608 | |
aoqi@6880 | 609 | __ stop("should not reach here"); |
aoqi@6880 | 610 | |
aoqi@6880 | 611 | return oop_maps; |
aoqi@1 | 612 | } |
aoqi@1 | 613 | |
aoqi@1 | 614 | //FIXME I do not know which reigster to use.should use T3 as real_return_addr @jerome |
aoqi@1 | 615 | OopMapSet* Runtime1::generate_handle_exception(StubID id, StubAssembler *sasm) { |
aoqi@8865 | 616 | __ block_comment("generate_handle_exception"); |
aoqi@8865 | 617 | |
aoqi@8865 | 618 | // incoming parameters |
aoqi@6880 | 619 | const Register exception_oop = V0; |
aoqi@6880 | 620 | const Register exception_pc = V1; |
aoqi@6880 | 621 | // other registers used in this stub |
aoqi@8865 | 622 | // const Register real_return_addr = T3; |
aoqi@8865 | 623 | const Register thread = TREG; |
aoqi@8865 | 624 | #ifndef OPT_THREAD |
aoqi@8865 | 625 | __ get_thread(thread); |
aoqi@8865 | 626 | #endif |
aoqi@1 | 627 | // Save registers, if required. |
aoqi@8865 | 628 | OopMapSet* oop_maps = new OopMapSet(); |
aoqi@8865 | 629 | OopMap* oop_map = NULL; |
aoqi@8865 | 630 | switch (id) { |
aoqi@8865 | 631 | case forward_exception_id: |
aoqi@8865 | 632 | // We're handling an exception in the context of a compiled frame. |
aoqi@8865 | 633 | // The registers have been saved in the standard places. Perform |
aoqi@8865 | 634 | // an exception lookup in the caller and dispatch to the handler |
aoqi@8865 | 635 | // if found. Otherwise unwind and dispatch to the callers |
aoqi@8865 | 636 | // exception handler. |
aoqi@8865 | 637 | oop_map = generate_oop_map(sasm, 1 /*thread*/); |
aoqi@6880 | 638 | |
aoqi@8865 | 639 | // load and clear pending exception oop into RAX |
aoqi@8865 | 640 | __ ld_ptr(exception_oop, Address(thread, Thread::pending_exception_offset())); |
aoqi@8865 | 641 | __ st_ptr(R0, Address(thread, Thread::pending_exception_offset())); |
aoqi@6880 | 642 | |
aoqi@8865 | 643 | // load issuing PC (the return address for this stub) into rdx |
aoqi@8865 | 644 | __ ld_ptr(exception_pc, Address(FP, 1*BytesPerWord)); |
aoqi@6880 | 645 | |
aoqi@8865 | 646 | // make sure that the vm_results are cleared (may be unnecessary) |
aoqi@8865 | 647 | __ st_ptr(R0, Address(thread, JavaThread::vm_result_offset())); |
aoqi@8865 | 648 | __ st_ptr(R0, Address(thread, JavaThread::vm_result_2_offset())); |
aoqi@8865 | 649 | break; |
aoqi@8865 | 650 | case handle_exception_nofpu_id: |
aoqi@8865 | 651 | case handle_exception_id: |
aoqi@8865 | 652 | // At this point all registers MAY be live. |
aoqi@8865 | 653 | oop_map = save_live_registers(sasm, 1 /*thread*/, id != handle_exception_nofpu_id); |
aoqi@8865 | 654 | break; |
aoqi@8865 | 655 | case handle_exception_from_callee_id: { |
aoqi@8865 | 656 | // At this point all registers except exception oop (RAX) and |
aoqi@8865 | 657 | // exception pc (RDX) are dead. |
aoqi@8865 | 658 | const int frame_size = 2 /*BP, return address*/ NOT_LP64(+ 1 /*thread*/); |
aoqi@8865 | 659 | oop_map = new OopMap(frame_size * VMRegImpl::slots_per_word, 0); |
aoqi@8865 | 660 | sasm->set_frame_size(frame_size); |
aoqi@8865 | 661 | break; |
aoqi@8865 | 662 | } |
aoqi@8865 | 663 | default: ShouldNotReachHere(); |
aoqi@8865 | 664 | } |
aoqi@1 | 665 | |
aoqi@1 | 666 | #ifdef TIERED |
aoqi@6880 | 667 | // C2 can leave the fpu stack dirty |
aoqi@6880 | 668 | __ empty_FPU_stack(); |
aoqi@1 | 669 | #endif // TIERED |
aoqi@1 | 670 | |
aoqi@6880 | 671 | // verify that only V0 and V1 is valid at this time |
aoqi@6880 | 672 | // verify that V0 contains a valid exception |
aoqi@6880 | 673 | __ verify_not_null_oop(exception_oop); |
aoqi@1 | 674 | |
aoqi@6880 | 675 | // load address of JavaThread object for thread-local data |
aoqi@6880 | 676 | __ get_thread(thread); |
aoqi@1 | 677 | |
aoqi@1 | 678 | #ifdef ASSERT |
aoqi@6880 | 679 | // check that fields in JavaThread for exception oop and issuing pc are |
aoqi@6880 | 680 | // empty before writing to them |
aoqi@6880 | 681 | Label oop_empty; |
aoqi@6880 | 682 | __ ld_ptr(AT, Address(thread, in_bytes(JavaThread::exception_oop_offset()))); |
aoqi@6880 | 683 | __ beq(AT, R0, oop_empty); |
aoqi@6880 | 684 | __ delayed()->nop(); |
aoqi@6880 | 685 | __ stop("exception oop already set"); |
aoqi@6880 | 686 | __ bind(oop_empty); |
aoqi@6880 | 687 | Label pc_empty; |
aoqi@6880 | 688 | __ ld_ptr(AT, Address(thread, in_bytes(JavaThread::exception_pc_offset()))); |
aoqi@6880 | 689 | __ beq(AT, R0, pc_empty); |
aoqi@6880 | 690 | __ delayed()->nop(); |
aoqi@6880 | 691 | __ stop("exception pc already set"); |
aoqi@6880 | 692 | __ bind(pc_empty); |
aoqi@1 | 693 | #endif |
aoqi@1 | 694 | |
aoqi@6880 | 695 | // save exception oop and issuing pc into JavaThread |
aoqi@6880 | 696 | // (exception handler will load it from here) |
aoqi@6880 | 697 | __ st_ptr(exception_oop, Address(thread, in_bytes(JavaThread::exception_oop_offset()))); |
aoqi@6880 | 698 | __ st_ptr(exception_pc, Address(thread, in_bytes(JavaThread::exception_pc_offset()))); |
aoqi@1 | 699 | |
aoqi@8865 | 700 | // patch throwing pc into return address (has bci & oop map) |
aoqi@8865 | 701 | __ st_ptr(exception_pc, Address(FP, 1*BytesPerWord)); |
aoqi@1 | 702 | |
aoqi@6880 | 703 | // compute the exception handler. |
aoqi@6880 | 704 | // the exception oop and the throwing pc are read from the fields in JavaThread |
fujie@9161 | 705 | __ block_comment(";; will call_RT exception_handler_for_pc"); |
aoqi@8865 | 706 | int call_offset = __ call_RT(noreg, noreg, CAST_FROM_FN_PTR(address, exception_handler_for_pc)); |
aoqi@6880 | 707 | oop_maps->add_gc_map(call_offset, oop_map); |
fujie@9161 | 708 | __ block_comment(";; end of call_RT exception_handler_for_pc"); |
aoqi@6880 | 709 | // V0: handler address or NULL if no handler exists |
aoqi@6880 | 710 | // will be the deopt blob if nmethod was deoptimized while we looked up |
aoqi@6880 | 711 | // handler regardless of whether handler existed in the nmethod. |
aoqi@1 | 712 | |
aoqi@6880 | 713 | // only V0 is valid at this time, all other registers have been destroyed by the |
aoqi@6880 | 714 | // runtime call |
aoqi@1 | 715 | |
aoqi@6880 | 716 | // patch the return address -> the stub will directly return to the exception handler |
aoqi@8865 | 717 | __ st_ptr(V0, Address(FP, 1 * BytesPerWord)); |
aoqi@1 | 718 | |
aoqi@8865 | 719 | switch (id) { |
aoqi@8865 | 720 | case forward_exception_id: |
aoqi@8865 | 721 | case handle_exception_nofpu_id: |
aoqi@8865 | 722 | case handle_exception_id: |
aoqi@8865 | 723 | // Restore the registers that were saved at the beginning. |
aoqi@8865 | 724 | restore_live_registers(sasm, id != handle_exception_nofpu_id); |
aoqi@8865 | 725 | break; |
aoqi@8865 | 726 | case handle_exception_from_callee_id: |
aoqi@8865 | 727 | // WIN64_ONLY: No need to add frame::arg_reg_save_area_bytes to SP |
aoqi@8865 | 728 | // since we do a leave anyway. |
aoqi@1 | 729 | |
aoqi@8865 | 730 | // Pop the return address since we are possibly changing SP (restoring from BP). |
aoqi@8865 | 731 | __ leave(); |
aoqi@8865 | 732 | // Restore SP from BP if the exception PC is a method handle call site. |
aoqi@8865 | 733 | { |
aoqi@8865 | 734 | Label done; |
aoqi@8865 | 735 | __ ld(AT, Address(thread, JavaThread::is_method_handle_return_offset())); |
aoqi@8865 | 736 | __ beq(AT, R0, done); |
aoqi@8865 | 737 | __ delayed()->nop(); |
aoqi@8865 | 738 | __ bind(done); |
aoqi@8865 | 739 | } |
aoqi@8865 | 740 | __ jr(RA); // jump to exception handler |
aoqi@8865 | 741 | __ delayed()->nop(); |
aoqi@8865 | 742 | break; |
aoqi@8865 | 743 | default: ShouldNotReachHere(); |
aoqi@8865 | 744 | } |
aoqi@1 | 745 | |
aoqi@8865 | 746 | return oop_maps; |
aoqi@8865 | 747 | } |
aoqi@1 | 748 | |
aoqi@1 | 749 | |
aoqi@1 | 750 | |
aoqi@1 | 751 | |
aoqi@1 | 752 | |
aoqi@1 | 753 | void Runtime1::generate_unwind_exception(StubAssembler *sasm) { |
aoqi@6880 | 754 | // incoming parameters |
aoqi@6880 | 755 | const Register exception_oop = V0; |
aoqi@8865 | 756 | // callee-saved copy of exception_oop during runtime call |
aoqi@8865 | 757 | const Register exception_oop_callee_saved = S0; |
aoqi@6880 | 758 | // other registers used in this stub |
aoqi@6880 | 759 | const Register exception_pc = V1; |
aoqi@6880 | 760 | const Register handler_addr = T3; |
aoqi@8865 | 761 | const Register thread = TREG; |
aoqi@1 | 762 | |
aoqi@6880 | 763 | // verify that only eax is valid at this time |
aoqi@6880 | 764 | // __ invalidate_registers(false, true, true, true, true, true); |
aoqi@1 | 765 | |
aoqi@1 | 766 | #ifdef ASSERT |
aoqi@6880 | 767 | // check that fields in JavaThread for exception oop and issuing pc are empty |
aoqi@6880 | 768 | __ get_thread(thread); |
aoqi@6880 | 769 | Label oop_empty; |
aoqi@6880 | 770 | __ ld_ptr(AT, thread, in_bytes(JavaThread::exception_oop_offset())); |
aoqi@6880 | 771 | __ beq(AT, R0, oop_empty); |
aoqi@6880 | 772 | __ delayed()->nop(); |
aoqi@6880 | 773 | __ stop("exception oop must be empty"); |
aoqi@6880 | 774 | __ bind(oop_empty); |
aoqi@1 | 775 | |
aoqi@6880 | 776 | Label pc_empty; |
aoqi@6880 | 777 | __ ld_ptr(AT, thread, in_bytes(JavaThread::exception_pc_offset())); |
aoqi@8865 | 778 | __ beq(AT, R0, pc_empty); |
aoqi@6880 | 779 | __ delayed()->nop(); |
aoqi@6880 | 780 | __ stop("exception pc must be empty"); |
aoqi@6880 | 781 | __ bind(pc_empty); |
aoqi@1 | 782 | #endif |
aoqi@6880 | 783 | // clear the FPU stack in case any FPU results are left behind |
aoqi@6880 | 784 | __ empty_FPU_stack(); |
aoqi@1 | 785 | |
aoqi@8865 | 786 | // save exception_oop in callee-saved register to preserve it during runtime calls |
aoqi@8865 | 787 | __ verify_not_null_oop(exception_oop); |
aoqi@8865 | 788 | __ move(exception_oop_callee_saved, exception_oop); |
aoqi@8865 | 789 | |
aoqi@8865 | 790 | #ifndef OPT_THREAD |
aoqi@8865 | 791 | __ get_thread(thread); |
aoqi@8865 | 792 | #endif |
aoqi@8865 | 793 | // Get return address (is on top of stack after leave). |
aoqi@6880 | 794 | // store return address (is on top of stack after leave) |
aoqi@8865 | 795 | |
aoqi@6880 | 796 | __ ld_ptr(exception_pc, SP, 0); |
aoqi@1 | 797 | |
aoqi@6880 | 798 | // search the exception handler address of the caller (using the return address) |
aoqi@8865 | 799 | __ call_VM_leaf(CAST_FROM_FN_PTR(address, SharedRuntime::exception_handler_for_return_address), thread, exception_pc); |
aoqi@8865 | 800 | // V0: exception handler address of the caller |
aoqi@1 | 801 | |
aoqi@6880 | 802 | // only eax is valid at this time, all other registers have been destroyed by the call |
aoqi@1 | 803 | |
aoqi@6880 | 804 | // move result of call into correct register |
aoqi@6880 | 805 | __ move(handler_addr, V0); |
aoqi@1 | 806 | |
aoqi@8865 | 807 | // Restore exception oop to V0 (required convention of exception handler). |
aoqi@8865 | 808 | __ move(exception_oop, exception_oop_callee_saved); |
aoqi@8865 | 809 | |
aoqi@8865 | 810 | // verify that there is really a valid exception in V0 |
aoqi@6880 | 811 | __ verify_oop(exception_oop); |
aoqi@1 | 812 | |
aoqi@6880 | 813 | // get throwing pc (= return address). |
aoqi@8865 | 814 | // V1 has been destroyed by the call, so it must be set again |
aoqi@6880 | 815 | // the pop is also necessary to simulate the effect of a ret(0) |
aoqi@6880 | 816 | __ super_pop(exception_pc); |
aoqi@1 | 817 | |
aoqi@6880 | 818 | // continue at exception handler (return address removed) |
aoqi@6880 | 819 | // note: do *not* remove arguments when unwinding the |
aoqi@6880 | 820 | // activation since the caller assumes having |
aoqi@6880 | 821 | // all arguments on the stack when entering the |
aoqi@6880 | 822 | // runtime to determine the exception handler |
aoqi@6880 | 823 | // (GC happens at call site with arguments!) |
aoqi@8865 | 824 | // V0: exception oop |
aoqi@8865 | 825 | // V1: throwing pc |
aoqi@8865 | 826 | // T3: exception handler |
aoqi@6880 | 827 | __ jr(handler_addr); |
aoqi@6880 | 828 | __ delayed()->nop(); |
aoqi@1 | 829 | } |
aoqi@1 | 830 | |
aoqi@1 | 831 | |
aoqi@1 | 832 | |
aoqi@1 | 833 | |
aoqi@1 | 834 | //static address deopt_with_exception_entry_for_patch = NULL; |
aoqi@1 | 835 | |
aoqi@1 | 836 | OopMapSet* Runtime1::generate_patching(StubAssembler* sasm, address target) { |
aoqi@1 | 837 | |
aoqi@6880 | 838 | // use the maximum number of runtime-arguments here because it is difficult to |
aoqi@6880 | 839 | // distinguish each RT-Call. |
aoqi@6880 | 840 | // Note: This number affects also the RT-Call in generate_handle_exception because |
aoqi@6880 | 841 | // the oop-map is shared for all calls. |
aoqi@1 | 842 | |
aoqi@6880 | 843 | DeoptimizationBlob* deopt_blob = SharedRuntime::deopt_blob(); |
aoqi@6880 | 844 | assert(deopt_blob != NULL, "deoptimization blob must have been created"); |
aoqi@6880 | 845 | // assert(deopt_with_exception_entry_for_patch != NULL, |
aoqi@6880 | 846 | // "deoptimization blob must have been created"); |
aoqi@6880 | 847 | |
aoqi@6880 | 848 | //OopMap* oop_map = save_live_registers(sasm, num_rt_args); |
aoqi@6880 | 849 | OopMap* oop_map = save_live_registers(sasm, 0); |
aoqi@6880 | 850 | const Register thread = T8; |
aoqi@6880 | 851 | // push java thread (becomes first argument of C function) |
aoqi@6880 | 852 | __ get_thread(thread); |
aoqi@6880 | 853 | __ move(A0, thread); |
aoqi@1 | 854 | |
aoqi@1 | 855 | |
aoqi@6880 | 856 | /* |
aoqi@6880 | 857 | * NOTE: this frame should be compiled frame, but at this point, the pc in frame-anchor |
aoqi@6880 | 858 | * is contained in interpreter. It should be wrong, and should be cleared but is not. |
aoqi@6880 | 859 | * even if we cleared the wrong pc in anchor, the default way to get caller pc in class frame |
aoqi@6880 | 860 | * is not right. It depends on that the caller pc is stored in *(sp - 1) but it's not the case |
aoqi@1 | 861 | */ |
aoqi@6880 | 862 | __ set_last_Java_frame(thread, NOREG, FP, NULL); |
aoqi@6880 | 863 | NOT_LP64(__ addiu(SP, SP, (-1) * wordSize)); |
aoqi@6880 | 864 | __ move(AT, -(StackAlignmentInBytes)); |
aoqi@6880 | 865 | __ andr(SP, SP, AT); |
aoqi@6880 | 866 | __ relocate(relocInfo::internal_pc_type); |
aoqi@6880 | 867 | { |
aoqi@1 | 868 | #ifndef _LP64 |
aoqi@6880 | 869 | int save_pc = (int)__ pc() + 12 + NativeCall::return_address_offset; |
aoqi@6880 | 870 | __ lui(AT, Assembler::split_high(save_pc)); |
aoqi@6880 | 871 | __ addiu(AT, AT, Assembler::split_low(save_pc)); |
aoqi@1 | 872 | #else |
aoqi@6880 | 873 | uintptr_t save_pc = (uintptr_t)__ pc() + NativeMovConstReg::instruction_size + 1 * BytesPerInstWord + NativeCall::return_address_offset_long; |
aoqi@6880 | 874 | __ li48(AT, save_pc); |
aoqi@1 | 875 | #endif |
aoqi@6880 | 876 | } |
aoqi@6880 | 877 | __ st_ptr(AT, thread, in_bytes(JavaThread::last_Java_pc_offset())); |
aoqi@1 | 878 | |
aoqi@6880 | 879 | // do the call |
aoqi@1 | 880 | #ifndef _LP64 |
aoqi@6880 | 881 | __ lui(T9, Assembler::split_high((int)target)); |
aoqi@6880 | 882 | __ addiu(T9, T9, Assembler::split_low((int)target)); |
aoqi@1 | 883 | #else |
aoqi@6880 | 884 | __ li48(T9, (intptr_t)target); |
aoqi@1 | 885 | #endif |
aoqi@6880 | 886 | __ jalr(T9); |
aoqi@6880 | 887 | __ delayed()->nop(); |
aoqi@6880 | 888 | OopMapSet* oop_maps = new OopMapSet(); |
aoqi@6880 | 889 | oop_maps->add_gc_map(__ offset(), oop_map); |
aoqi@1 | 890 | |
aoqi@6880 | 891 | __ get_thread(thread); |
aoqi@1 | 892 | |
aoqi@6880 | 893 | __ ld_ptr (SP, thread, in_bytes(JavaThread::last_Java_sp_offset())); |
fujie@9171 | 894 | __ reset_last_Java_frame(thread, true); |
aoqi@6880 | 895 | // discard thread arg |
aoqi@6880 | 896 | // check for pending exceptions |
aoqi@6880 | 897 | { |
aoqi@6880 | 898 | Label L, skip; |
aoqi@6880 | 899 | //Label no_deopt; |
aoqi@6880 | 900 | __ ld_ptr(AT, thread, in_bytes(Thread::pending_exception_offset())); |
aoqi@6880 | 901 | __ beq(AT, R0, L); |
aoqi@6880 | 902 | __ delayed()->nop(); |
aoqi@6880 | 903 | // exception pending => remove activation and forward to exception handler |
aoqi@1 | 904 | |
aoqi@8865 | 905 | __ bne(V0, R0, skip); |
aoqi@6880 | 906 | __ delayed()->nop(); |
aoqi@6880 | 907 | __ jmp(Runtime1::entry_for(Runtime1::forward_exception_id), |
aoqi@6880 | 908 | relocInfo::runtime_call_type); |
aoqi@6880 | 909 | __ delayed()->nop(); |
aoqi@6880 | 910 | __ bind(skip); |
aoqi@1 | 911 | |
aoqi@6880 | 912 | // the deopt blob expects exceptions in the special fields of |
aoqi@6880 | 913 | // JavaThread, so copy and clear pending exception. |
aoqi@1 | 914 | |
aoqi@6880 | 915 | // load and clear pending exception |
aoqi@6880 | 916 | __ ld_ptr(V0, Address(thread,in_bytes(Thread::pending_exception_offset()))); |
aoqi@6880 | 917 | __ st_ptr(R0, Address(thread, in_bytes(Thread::pending_exception_offset()))); |
aoqi@1 | 918 | |
aoqi@6880 | 919 | // check that there is really a valid exception |
aoqi@6880 | 920 | __ verify_not_null_oop(V0); |
aoqi@6880 | 921 | |
aoqi@6880 | 922 | // load throwing pc: this is the return address of the stub |
aoqi@6880 | 923 | __ ld_ptr(V1, Address(SP, return_off * BytesPerWord)); |
aoqi@1 | 924 | |
aoqi@1 | 925 | |
aoqi@1 | 926 | #ifdef ASSERT |
aoqi@6880 | 927 | // check that fields in JavaThread for exception oop and issuing pc are empty |
aoqi@6880 | 928 | Label oop_empty; |
aoqi@6880 | 929 | __ ld_ptr(AT, Address(thread, in_bytes(JavaThread::exception_oop_offset()))); |
aoqi@6880 | 930 | __ beq(AT,R0,oop_empty); |
aoqi@6880 | 931 | __ delayed()->nop(); |
aoqi@6880 | 932 | __ stop("exception oop must be empty"); |
aoqi@6880 | 933 | __ bind(oop_empty); |
aoqi@1 | 934 | |
aoqi@6880 | 935 | Label pc_empty; |
aoqi@6880 | 936 | __ ld_ptr(AT, Address(thread, in_bytes(JavaThread::exception_pc_offset()))); |
aoqi@6880 | 937 | __ beq(AT,R0,pc_empty); |
aoqi@6880 | 938 | __ delayed()->nop(); |
aoqi@6880 | 939 | __ stop("exception pc must be empty"); |
aoqi@6880 | 940 | __ bind(pc_empty); |
aoqi@1 | 941 | #endif |
aoqi@1 | 942 | |
aoqi@6880 | 943 | // store exception oop and throwing pc to JavaThread |
aoqi@6880 | 944 | __ st_ptr(V0,Address(thread, in_bytes(JavaThread::exception_oop_offset()))); |
aoqi@6880 | 945 | __ st_ptr(V1,Address(thread, in_bytes(JavaThread::exception_pc_offset()))); |
aoqi@1 | 946 | |
aoqi@6880 | 947 | restore_live_registers(sasm); |
aoqi@1 | 948 | |
aoqi@6880 | 949 | __ leave(); |
aoqi@1 | 950 | |
aoqi@6880 | 951 | // Forward the exception directly to deopt blob. We can blow no |
aoqi@6880 | 952 | // registers and must leave throwing pc on the stack. A patch may |
aoqi@6880 | 953 | // have values live in registers so the entry point with the |
aoqi@6880 | 954 | // exception in tls. |
aoqi@6880 | 955 | __ jmp(deopt_blob->unpack_with_exception_in_tls(), relocInfo::runtime_call_type); |
aoqi@6880 | 956 | __ delayed()->nop(); |
aoqi@1 | 957 | |
aoqi@6880 | 958 | __ bind(L); |
aoqi@6880 | 959 | } |
aoqi@1 | 960 | |
aoqi@6880 | 961 | // Runtime will return true if the nmethod has been deoptimized during |
aoqi@6880 | 962 | // the patching process. In that case we must do a deopt reexecute instead. |
aoqi@1 | 963 | |
aoqi@6880 | 964 | Label reexecuteEntry, cont; |
aoqi@1 | 965 | |
aoqi@6880 | 966 | __ beq(V0, R0, cont); // have we deoptimized? |
aoqi@6880 | 967 | __ delayed()->nop(); |
aoqi@1 | 968 | |
aoqi@6880 | 969 | // Will reexecute. Proper return address is already on the stack we just restore |
aoqi@6880 | 970 | // registers, pop all of our frame but the return address and jump to the deopt blob |
aoqi@6880 | 971 | restore_live_registers(sasm); |
aoqi@1 | 972 | |
aoqi@6880 | 973 | __ leave(); |
aoqi@6880 | 974 | __ jmp(deopt_blob->unpack_with_reexecution(), relocInfo::runtime_call_type); |
aoqi@6880 | 975 | __ delayed()->nop(); |
aoqi@1 | 976 | |
aoqi@6880 | 977 | __ bind(cont); |
aoqi@6880 | 978 | restore_live_registers(sasm); |
aoqi@1 | 979 | |
aoqi@6880 | 980 | __ leave(); |
aoqi@6880 | 981 | __ jr(RA); |
aoqi@6880 | 982 | __ delayed()->nop(); |
aoqi@6880 | 983 | |
aoqi@6880 | 984 | return oop_maps; |
aoqi@1 | 985 | } |
aoqi@1 | 986 | |
aoqi@1 | 987 | |
aoqi@1 | 988 | OopMapSet* Runtime1::generate_code_for(StubID id, StubAssembler* sasm) { |
aoqi@6880 | 989 | // for better readability |
aoqi@6880 | 990 | const bool must_gc_arguments = true; |
aoqi@6880 | 991 | const bool dont_gc_arguments = false; |
aoqi@1 | 992 | |
aoqi@1 | 993 | |
aoqi@6880 | 994 | // default value; overwritten for some optimized stubs that are called |
aoqi@6880 | 995 | // from methods that do not use the fpu |
aoqi@6880 | 996 | bool save_fpu_registers = true; |
aoqi@1 | 997 | |
aoqi@1 | 998 | |
aoqi@6880 | 999 | // stub code & info for the different stubs |
aoqi@6880 | 1000 | OopMapSet* oop_maps = NULL; |
aoqi@1 | 1001 | |
aoqi@1 | 1002 | switch (id) { |
aoqi@1 | 1003 | case forward_exception_id: |
aoqi@1 | 1004 | { |
aoqi@8865 | 1005 | oop_maps = generate_handle_exception(id, sasm); |
aoqi@8865 | 1006 | __ leave(); |
aoqi@8865 | 1007 | __ jr(RA); |
aoqi@8865 | 1008 | __ delayed()->nop(); |
aoqi@1 | 1009 | } |
aoqi@1 | 1010 | break; |
aoqi@1 | 1011 | |
aoqi@1 | 1012 | case new_instance_id: |
aoqi@1 | 1013 | case fast_new_instance_id: |
aoqi@1 | 1014 | case fast_new_instance_init_check_id: |
aoqi@1 | 1015 | { |
aoqi@1 | 1016 | Register klass = A4; // Incoming |
aoqi@1 | 1017 | Register obj = V0; // Result |
aoqi@1 | 1018 | |
aoqi@1 | 1019 | if (id == new_instance_id) { |
aoqi@1 | 1020 | __ set_info("new_instance", dont_gc_arguments); |
aoqi@1 | 1021 | } else if (id == fast_new_instance_id) { |
aoqi@1 | 1022 | __ set_info("fast new_instance", dont_gc_arguments); |
aoqi@1 | 1023 | } else { |
aoqi@1 | 1024 | assert(id == fast_new_instance_init_check_id, "bad StubID"); |
aoqi@1 | 1025 | __ set_info("fast new_instance init check", dont_gc_arguments); |
aoqi@1 | 1026 | } |
aoqi@1 | 1027 | |
aoqi@6880 | 1028 | if ((id == fast_new_instance_id || id == fast_new_instance_init_check_id) |
aoqi@1 | 1029 | && UseTLAB && FastTLABRefill) { |
aoqi@1 | 1030 | Label slow_path; |
aoqi@1 | 1031 | Register obj_size = T0; |
aoqi@1 | 1032 | Register t1 = T2; |
aoqi@1 | 1033 | Register t2 = T3; |
aoqi@1 | 1034 | assert_different_registers(klass, obj, obj_size, t1, t2); |
aoqi@1 | 1035 | if (id == fast_new_instance_init_check_id) { |
aoqi@1 | 1036 | // make sure the klass is initialized |
aoqi@8865 | 1037 | __ ld_ptr(AT, Address(klass, in_bytes(InstanceKlass::init_state_offset()))); |
aoqi@1 | 1038 | __ move(t1, InstanceKlass::fully_initialized); |
aoqi@1 | 1039 | __ bne(AT, t1, slow_path); |
aoqi@1 | 1040 | __ delayed()->nop(); |
aoqi@1 | 1041 | } |
aoqi@1 | 1042 | #ifdef ASSERT |
aoqi@1 | 1043 | // assert object can be fast path allocated |
aoqi@1 | 1044 | { |
aoqi@1 | 1045 | Label ok, not_ok; |
aoqi@1 | 1046 | __ lw(obj_size, klass, in_bytes(Klass::layout_helper_offset())); |
aoqi@1 | 1047 | __ blez(obj_size, not_ok); |
aoqi@1 | 1048 | __ delayed()->nop(); |
aoqi@1 | 1049 | __ andi(t1 , obj_size, Klass::_lh_instance_slow_path_bit); |
aoqi@1 | 1050 | __ beq(t1, R0, ok); |
aoqi@1 | 1051 | __ delayed()->nop(); |
aoqi@1 | 1052 | __ bind(not_ok); |
aoqi@1 | 1053 | __ stop("assert(can be fast path allocated)"); |
aoqi@1 | 1054 | __ should_not_reach_here(); |
aoqi@1 | 1055 | __ bind(ok); |
aoqi@1 | 1056 | } |
aoqi@1 | 1057 | #endif // ASSERT |
aoqi@1 | 1058 | // if we got here then the TLAB allocation failed, so try |
aoqi@1 | 1059 | // refilling the TLAB or allocating directly from eden. |
aoqi@6880 | 1060 | |
aoqi@1 | 1061 | Label retry_tlab, try_eden; |
aoqi@1 | 1062 | __ tlab_refill(retry_tlab, try_eden, slow_path); // does not destroy edx (klass) |
aoqi@6880 | 1063 | |
aoqi@1 | 1064 | __ bind(retry_tlab); |
aoqi@6880 | 1065 | |
aoqi@1 | 1066 | // get the instance size |
aoqi@1 | 1067 | __ lw(obj_size, klass, in_bytes(Klass::layout_helper_offset())); |
aoqi@1 | 1068 | __ tlab_allocate(obj, obj_size, 0, t1, t2, slow_path); |
aoqi@1 | 1069 | __ initialize_object(obj, klass, obj_size, 0, t1, t2); |
aoqi@1 | 1070 | __ verify_oop(obj); |
aoqi@1 | 1071 | __ jr(RA); |
aoqi@1 | 1072 | __ delayed()->nop(); |
aoqi@6880 | 1073 | |
wangxue@9205 | 1074 | #ifndef OPT_THREAD |
wangxue@9205 | 1075 | const Register thread = T8; |
wangxue@9205 | 1076 | __ get_thread(thread); |
wangxue@9205 | 1077 | #else |
wangxue@9205 | 1078 | const Register thread = TREG; |
wangxue@9205 | 1079 | #endif |
wangxue@9205 | 1080 | |
aoqi@1 | 1081 | __ bind(try_eden); |
aoqi@1 | 1082 | |
aoqi@6880 | 1083 | // get the instance size |
aoqi@1 | 1084 | __ lw(obj_size, klass, in_bytes(Klass::layout_helper_offset())); |
aoqi@1 | 1085 | __ eden_allocate(obj, obj_size, 0, t1, t2, slow_path); |
wangxue@9205 | 1086 | __ incr_allocated_bytes(thread, obj_size, 0); |
wangxue@9205 | 1087 | |
aoqi@1 | 1088 | __ initialize_object(obj, klass, obj_size, 0, t1, t2); |
aoqi@1 | 1089 | __ verify_oop(obj); |
aoqi@1 | 1090 | __ jr(RA); |
aoqi@1 | 1091 | __ delayed()->nop(); |
aoqi@6880 | 1092 | |
aoqi@1 | 1093 | __ bind(slow_path); |
aoqi@1 | 1094 | } |
aoqi@1 | 1095 | __ enter(); |
aoqi@1 | 1096 | OopMap* map = save_live_registers(sasm, 0); |
aoqi@1 | 1097 | int call_offset = __ call_RT(obj, noreg, CAST_FROM_FN_PTR(address, new_instance), klass); |
aoqi@1 | 1098 | oop_maps = new OopMapSet(); |
aoqi@1 | 1099 | oop_maps->add_gc_map(call_offset, map); |
aoqi@1 | 1100 | restore_live_registers_except_V0(sasm); |
aoqi@1 | 1101 | __ verify_oop(obj); |
aoqi@1 | 1102 | __ leave(); |
aoqi@1 | 1103 | __ jr(RA); |
aoqi@1 | 1104 | __ delayed()->nop(); |
aoqi@6880 | 1105 | |
aoqi@1 | 1106 | // V0: new instance |
aoqi@1 | 1107 | } |
aoqi@1 | 1108 | break; |
aoqi@1 | 1109 | |
aoqi@1 | 1110 | |
aoqi@1 | 1111 | #ifdef TIERED |
aoqi@1 | 1112 | //FIXME, I hava no idea which register to use |
aoqi@1 | 1113 | case counter_overflow_id: |
aoqi@1 | 1114 | { |
aoqi@1 | 1115 | #ifndef _LP64 |
aoqi@1 | 1116 | Register bci = T5; |
aoqi@1 | 1117 | #else |
aoqi@1 | 1118 | Register bci = A5; |
aoqi@1 | 1119 | #endif |
aoqi@8865 | 1120 | Register method = AT; |
aoqi@1 | 1121 | __ enter(); |
aoqi@1 | 1122 | OopMap* map = save_live_registers(sasm, 0); |
aoqi@1 | 1123 | // Retrieve bci |
aoqi@1 | 1124 | __ lw(bci, Address(FP, 2*BytesPerWord));// FIXME:wuhui.ebp==?? |
aoqi@8865 | 1125 | __ ld(method, Address(FP, 3*BytesPerWord)); |
aoqi@8865 | 1126 | int call_offset = __ call_RT(noreg, noreg, CAST_FROM_FN_PTR(address, counter_overflow), bci, method); |
aoqi@1 | 1127 | oop_maps = new OopMapSet(); |
aoqi@1 | 1128 | oop_maps->add_gc_map(call_offset, map); |
aoqi@1 | 1129 | restore_live_registers(sasm); |
aoqi@1 | 1130 | __ leave(); |
aoqi@6880 | 1131 | __ jr(RA); |
aoqi@6880 | 1132 | __ delayed()->nop(); |
aoqi@1 | 1133 | } |
aoqi@1 | 1134 | break; |
aoqi@1 | 1135 | #endif // TIERED |
aoqi@1 | 1136 | |
aoqi@1 | 1137 | |
aoqi@1 | 1138 | |
aoqi@1 | 1139 | case new_type_array_id: |
aoqi@1 | 1140 | case new_object_array_id: |
aoqi@6880 | 1141 | { |
aoqi@6880 | 1142 | // i use T2 as length register, T4 as klass register, V0 as result register. |
aoqi@1 | 1143 | // MUST accord with NewTypeArrayStub::emit_code, NewObjectArrayStub::emit_code |
aoqi@1 | 1144 | Register length = T2; // Incoming |
aoqi@1 | 1145 | #ifndef _LP64 |
aoqi@1 | 1146 | Register klass = T4; // Incoming |
aoqi@1 | 1147 | #else |
aoqi@1 | 1148 | Register klass = A4; // Incoming |
aoqi@1 | 1149 | #endif |
aoqi@1 | 1150 | Register obj = V0; // Result |
aoqi@6880 | 1151 | |
aoqi@1 | 1152 | if (id == new_type_array_id) { |
aoqi@1 | 1153 | __ set_info("new_type_array", dont_gc_arguments); |
aoqi@1 | 1154 | } else { |
aoqi@1 | 1155 | __ set_info("new_object_array", dont_gc_arguments); |
aoqi@1 | 1156 | } |
aoqi@6880 | 1157 | |
aoqi@1 | 1158 | if (UseTLAB && FastTLABRefill) { |
aoqi@1 | 1159 | Register arr_size = T0; |
aoqi@6880 | 1160 | Register t1 = T1; |
aoqi@1 | 1161 | Register t2 = T3; |
aoqi@1 | 1162 | Label slow_path; |
aoqi@1 | 1163 | assert_different_registers(length, klass, obj, arr_size, t1, t2); |
aoqi@6880 | 1164 | |
aoqi@1 | 1165 | // check that array length is small enough for fast path |
aoqi@1 | 1166 | __ move(AT, C1_MacroAssembler::max_array_allocation_length); |
aoqi@1 | 1167 | __ sltu(AT, AT, length); |
aoqi@1 | 1168 | __ bne(AT, R0, slow_path); |
aoqi@1 | 1169 | __ delayed()->nop(); |
aoqi@1 | 1170 | |
aoqi@1 | 1171 | // if we got here then the TLAB allocation failed, so try |
aoqi@1 | 1172 | // refilling the TLAB or allocating directly from eden. |
aoqi@1 | 1173 | Label retry_tlab, try_eden; |
aoqi@6880 | 1174 | //T0,T1,T5,T8 have changed! |
aoqi@1 | 1175 | __ tlab_refill(retry_tlab, try_eden, slow_path); // preserves T2 & T4 |
aoqi@6880 | 1176 | |
aoqi@1 | 1177 | __ bind(retry_tlab); |
aoqi@6880 | 1178 | |
aoqi@1 | 1179 | // get the allocation size: (length << (layout_helper & 0x1F)) + header_size |
aoqi@6880 | 1180 | __ lw(t1, klass, in_bytes(Klass::layout_helper_offset())); |
aoqi@1 | 1181 | __ andi(AT, t1, 0x1f); |
aoqi@1 | 1182 | __ sllv(arr_size, length, AT); |
aoqi@1 | 1183 | __ srl(t1, t1, Klass::_lh_header_size_shift); |
aoqi@1 | 1184 | __ andi(t1, t1, Klass::_lh_header_size_mask); |
aoqi@1 | 1185 | __ add(arr_size, t1, arr_size); |
aoqi@1 | 1186 | __ addi(arr_size, arr_size, MinObjAlignmentInBytesMask); // align up |
aoqi@1 | 1187 | __ move(AT, ~MinObjAlignmentInBytesMask); |
aoqi@1 | 1188 | __ andr(arr_size, arr_size, AT); |
aoqi@6880 | 1189 | |
aoqi@6880 | 1190 | |
aoqi@1 | 1191 | __ tlab_allocate(obj, arr_size, 0, t1, t2, slow_path); // preserves arr_size |
aoqi@1 | 1192 | __ initialize_header(obj, klass, length,t1,t2); |
aoqi@6880 | 1193 | __ lbu(t1, Address(klass, in_bytes(Klass::layout_helper_offset()) |
aoqi@1 | 1194 | + (Klass::_lh_header_size_shift / BitsPerByte))); |
aoqi@1 | 1195 | assert(Klass::_lh_header_size_shift % BitsPerByte == 0, "bytewise"); |
aoqi@1 | 1196 | assert(Klass::_lh_header_size_mask <= 0xFF, "bytewise"); |
aoqi@1 | 1197 | __ andi(t1, t1, Klass::_lh_header_size_mask); |
aoqi@1 | 1198 | __ sub(arr_size, arr_size, t1); // body length |
aoqi@1 | 1199 | __ add(t1, t1, obj); // body start |
aoqi@1 | 1200 | __ initialize_body(t1, arr_size, 0, t2); |
aoqi@1 | 1201 | __ verify_oop(obj); |
aoqi@1 | 1202 | __ jr(RA); |
aoqi@1 | 1203 | __ delayed()->nop(); |
aoqi@6880 | 1204 | |
wangxue@9205 | 1205 | #ifndef OPT_THREAD |
wangxue@9205 | 1206 | const Register thread = T8; |
wangxue@9205 | 1207 | __ get_thread(thread); |
wangxue@9205 | 1208 | #else |
wangxue@9205 | 1209 | const Register thread = TREG; |
wangxue@9205 | 1210 | #endif |
wangxue@9205 | 1211 | |
aoqi@1 | 1212 | __ bind(try_eden); |
aoqi@1 | 1213 | // get the allocation size: (length << (layout_helper & 0x1F)) + header_size |
aoqi@6880 | 1214 | __ lw(t1, klass, in_bytes(Klass::layout_helper_offset())); |
aoqi@1 | 1215 | __ andi(AT, t1, 0x1f); |
aoqi@1 | 1216 | __ sllv(arr_size, length, AT); |
aoqi@1 | 1217 | __ srl(t1, t1, Klass::_lh_header_size_shift); |
aoqi@1 | 1218 | __ andi(t1, t1, Klass::_lh_header_size_mask); |
aoqi@1 | 1219 | __ add(arr_size, t1, arr_size); |
aoqi@1 | 1220 | __ addi(arr_size, arr_size, MinObjAlignmentInBytesMask); // align up |
aoqi@1 | 1221 | __ move(AT, ~MinObjAlignmentInBytesMask); |
aoqi@1 | 1222 | __ andr(arr_size, arr_size, AT); |
aoqi@1 | 1223 | __ eden_allocate(obj, arr_size, 0, t1, t2, slow_path); // preserves arr_size |
wangxue@9205 | 1224 | __ incr_allocated_bytes(thread, arr_size, 0); |
wangxue@9205 | 1225 | |
aoqi@1 | 1226 | __ initialize_header(obj, klass, length,t1,t2); |
aoqi@1 | 1227 | __ lbu(t1, Address(klass, in_bytes(Klass::layout_helper_offset()) |
aoqi@1 | 1228 | + (Klass::_lh_header_size_shift / BitsPerByte))); |
aoqi@1 | 1229 | __ andi(t1, t1, Klass::_lh_header_size_mask); |
aoqi@1 | 1230 | __ sub(arr_size, arr_size, t1); // body length |
aoqi@1 | 1231 | __ add(t1, t1, obj); // body start |
aoqi@6880 | 1232 | |
aoqi@1 | 1233 | __ initialize_body(t1, arr_size, 0, t2); |
aoqi@1 | 1234 | __ verify_oop(obj); |
aoqi@1 | 1235 | __ jr(RA); |
aoqi@1 | 1236 | __ delayed()->nop(); |
aoqi@1 | 1237 | __ bind(slow_path); |
aoqi@1 | 1238 | } |
aoqi@6880 | 1239 | |
aoqi@6880 | 1240 | |
aoqi@1 | 1241 | __ enter(); |
aoqi@1 | 1242 | OopMap* map = save_live_registers(sasm, 0); |
aoqi@1 | 1243 | int call_offset; |
aoqi@1 | 1244 | if (id == new_type_array_id) { |
aoqi@6880 | 1245 | call_offset = __ call_RT(obj, noreg, |
aoqi@1 | 1246 | CAST_FROM_FN_PTR(address, new_type_array), klass, length); |
aoqi@1 | 1247 | } else { |
aoqi@6880 | 1248 | call_offset = __ call_RT(obj, noreg, |
aoqi@1 | 1249 | CAST_FROM_FN_PTR(address, new_object_array), klass, length); |
aoqi@1 | 1250 | } |
aoqi@6880 | 1251 | |
aoqi@1 | 1252 | oop_maps = new OopMapSet(); |
aoqi@1 | 1253 | oop_maps->add_gc_map(call_offset, map); |
aoqi@1 | 1254 | restore_live_registers_except_V0(sasm); |
aoqi@1 | 1255 | __ verify_oop(obj); |
aoqi@6880 | 1256 | __ leave(); |
aoqi@1 | 1257 | __ jr(RA); |
aoqi@1 | 1258 | __ delayed()->nop(); |
aoqi@1 | 1259 | } |
aoqi@1 | 1260 | break; |
aoqi@1 | 1261 | |
aoqi@1 | 1262 | case new_multi_array_id: |
aoqi@6880 | 1263 | { |
aoqi@6880 | 1264 | StubFrame f(sasm, "new_multi_array", dont_gc_arguments); |
aoqi@6880 | 1265 | //refer to c1_LIRGenerate_mips.cpp:do_NewmultiArray |
aoqi@6880 | 1266 | // V0: klass |
aoqi@6880 | 1267 | // T2: rank |
aoqi@6880 | 1268 | // T0: address of 1st dimension |
aoqi@6880 | 1269 | //__ call_RT(V0, noreg, CAST_FROM_FN_PTR(address, new_multi_array), A1, A2, A3); |
aoqi@6880 | 1270 | //OopMap* map = save_live_registers(sasm, 4); |
aoqi@6880 | 1271 | OopMap* map = save_live_registers(sasm, 0); |
aoqi@6880 | 1272 | int call_offset = __ call_RT(V0, noreg, CAST_FROM_FN_PTR(address, new_multi_array), |
aoqi@6880 | 1273 | V0,T2,T0); |
aoqi@6880 | 1274 | oop_maps = new OopMapSet(); |
aoqi@6880 | 1275 | oop_maps->add_gc_map(call_offset, map); |
aoqi@6880 | 1276 | //FIXME |
aoqi@6880 | 1277 | restore_live_registers_except_V0(sasm); |
aoqi@6880 | 1278 | // V0: new multi array |
aoqi@6880 | 1279 | __ verify_oop(V0); |
aoqi@1 | 1280 | } |
aoqi@1 | 1281 | break; |
aoqi@1 | 1282 | |
aoqi@6880 | 1283 | |
aoqi@1 | 1284 | case register_finalizer_id: |
aoqi@1 | 1285 | { |
aoqi@6880 | 1286 | __ set_info("register_finalizer", dont_gc_arguments); |
aoqi@1 | 1287 | |
aoqi@6880 | 1288 | // The object is passed on the stack and we haven't pushed a |
aoqi@6880 | 1289 | // frame yet so it's one work away from top of stack. |
aoqi@1 | 1290 | //reference to LIRGenerator::do_RegisterFinalizer, call_runtime |
aoqi@6880 | 1291 | __ move(V0, A0); |
aoqi@6880 | 1292 | __ verify_oop(V0); |
aoqi@6880 | 1293 | // load the klass and check the has finalizer flag |
aoqi@6880 | 1294 | Label register_finalizer; |
aoqi@1 | 1295 | #ifndef _LP64 |
aoqi@6880 | 1296 | Register t = T5; |
aoqi@1 | 1297 | #else |
aoqi@6880 | 1298 | Register t = A5; |
aoqi@1 | 1299 | #endif |
aoqi@6880 | 1300 | //__ ld_ptr(t, Address(V0, oopDesc::klass_offset_in_bytes())); |
aoqi@6880 | 1301 | __ load_klass(t, V0); |
aoqi@6880 | 1302 | __ lw(t, Address(t, Klass::access_flags_offset())); |
aoqi@6880 | 1303 | __ move(AT, JVM_ACC_HAS_FINALIZER); |
aoqi@6880 | 1304 | __ andr(AT, AT, t); |
aoqi@1 | 1305 | |
aoqi@6880 | 1306 | __ bne(AT, R0, register_finalizer); |
aoqi@6880 | 1307 | __ delayed()->nop(); |
aoqi@6880 | 1308 | __ jr(RA); |
aoqi@6880 | 1309 | __ delayed()->nop(); |
aoqi@6880 | 1310 | __ bind(register_finalizer); |
aoqi@6880 | 1311 | __ enter(); |
aoqi@6880 | 1312 | OopMap* map = save_live_registers(sasm, 0 /*num_rt_args */); |
aoqi@6880 | 1313 | |
aoqi@6880 | 1314 | int call_offset = __ call_RT(noreg, noreg, CAST_FROM_FN_PTR(address, |
aoqi@6880 | 1315 | SharedRuntime::register_finalizer), V0); |
aoqi@6880 | 1316 | oop_maps = new OopMapSet(); |
aoqi@1 | 1317 | oop_maps->add_gc_map(call_offset, map); |
aoqi@1 | 1318 | |
aoqi@6880 | 1319 | // Now restore all the live registers |
aoqi@6880 | 1320 | restore_live_registers(sasm); |
aoqi@1 | 1321 | |
aoqi@6880 | 1322 | __ leave(); |
aoqi@6880 | 1323 | __ jr(RA); |
aoqi@6880 | 1324 | __ delayed()->nop(); |
aoqi@1 | 1325 | } |
aoqi@1 | 1326 | break; |
aoqi@1 | 1327 | |
aoqi@6880 | 1328 | // case range_check_failed_id: |
aoqi@6880 | 1329 | case throw_range_check_failed_id: |
aoqi@8865 | 1330 | { |
aoqi@8865 | 1331 | StubFrame f(sasm, "range_check_failed", dont_gc_arguments); |
aoqi@6880 | 1332 | oop_maps = generate_exception_throw(sasm, CAST_FROM_FN_PTR(address, |
aoqi@1 | 1333 | throw_range_check_exception),true); |
aoqi@1 | 1334 | } |
aoqi@1 | 1335 | break; |
aoqi@1 | 1336 | |
aoqi@1 | 1337 | case throw_index_exception_id: |
aoqi@6880 | 1338 | { |
aoqi@6880 | 1339 | // i use A1 as the index register, for this will be the first argument, see call_RT |
aoqi@6880 | 1340 | StubFrame f(sasm, "index_range_check_failed", dont_gc_arguments); |
aoqi@6880 | 1341 | oop_maps = generate_exception_throw(sasm, CAST_FROM_FN_PTR(address, |
aoqi@6880 | 1342 | throw_index_exception), true); |
aoqi@1 | 1343 | } |
aoqi@1 | 1344 | break; |
aoqi@1 | 1345 | |
aoqi@6880 | 1346 | case throw_div0_exception_id: |
aoqi@1 | 1347 | { StubFrame f(sasm, "throw_div0_exception", dont_gc_arguments); |
aoqi@6880 | 1348 | oop_maps = generate_exception_throw(sasm, CAST_FROM_FN_PTR(address, |
aoqi@6880 | 1349 | throw_div0_exception), false); |
aoqi@1 | 1350 | } |
aoqi@1 | 1351 | break; |
aoqi@1 | 1352 | |
aoqi@6880 | 1353 | case throw_null_pointer_exception_id: |
aoqi@8865 | 1354 | { |
aoqi@8865 | 1355 | StubFrame f(sasm, "throw_null_pointer_exception", dont_gc_arguments); |
aoqi@6880 | 1356 | oop_maps = generate_exception_throw(sasm, CAST_FROM_FN_PTR(address, |
aoqi@6880 | 1357 | throw_null_pointer_exception),false); |
aoqi@1 | 1358 | } |
aoqi@1 | 1359 | break; |
aoqi@1 | 1360 | |
aoqi@8865 | 1361 | case handle_exception_nofpu_id: |
aoqi@6880 | 1362 | save_fpu_registers = false; |
aoqi@6880 | 1363 | // fall through |
aoqi@6880 | 1364 | case handle_exception_id: |
aoqi@6880 | 1365 | { |
aoqi@6880 | 1366 | StubFrame f(sasm, "handle_exception", dont_gc_arguments); |
aoqi@6880 | 1367 | //OopMap* oop_map = save_live_registers(sasm, 1, save_fpu_registers); |
aoqi@6880 | 1368 | oop_maps = generate_handle_exception(id, sasm); |
aoqi@6880 | 1369 | } |
aoqi@6880 | 1370 | break; |
aoqi@8865 | 1371 | case handle_exception_from_callee_id: |
aoqi@8865 | 1372 | { |
aoqi@8865 | 1373 | StubFrame f(sasm, "handle_exception_from_callee", dont_gc_arguments); |
aoqi@8865 | 1374 | oop_maps = generate_handle_exception(id, sasm); |
aoqi@8865 | 1375 | } |
aoqi@8865 | 1376 | break; |
aoqi@6880 | 1377 | case unwind_exception_id: |
aoqi@6880 | 1378 | { |
aoqi@6880 | 1379 | __ set_info("unwind_exception", dont_gc_arguments); |
aoqi@6880 | 1380 | generate_unwind_exception(sasm); |
aoqi@6880 | 1381 | } |
aoqi@6880 | 1382 | break; |
aoqi@1 | 1383 | |
aoqi@1 | 1384 | |
aoqi@6880 | 1385 | case throw_array_store_exception_id: |
aoqi@8865 | 1386 | { |
aoqi@8865 | 1387 | StubFrame f(sasm, "throw_array_store_exception", dont_gc_arguments); |
aoqi@6880 | 1388 | // tos + 0: link |
aoqi@6880 | 1389 | // + 1: return address |
aoqi@6880 | 1390 | oop_maps = generate_exception_throw(sasm, CAST_FROM_FN_PTR(address, |
aoqi@6880 | 1391 | throw_array_store_exception), false); |
aoqi@6880 | 1392 | } |
aoqi@6880 | 1393 | break; |
aoqi@1 | 1394 | |
aoqi@6880 | 1395 | case throw_class_cast_exception_id: |
aoqi@8865 | 1396 | { |
aoqi@8865 | 1397 | StubFrame f(sasm, "throw_class_cast_exception", dont_gc_arguments); |
aoqi@6880 | 1398 | oop_maps = generate_exception_throw(sasm, CAST_FROM_FN_PTR(address, |
aoqi@8865 | 1399 | throw_class_cast_exception), true); |
aoqi@6880 | 1400 | } |
aoqi@6880 | 1401 | break; |
aoqi@1 | 1402 | |
aoqi@6880 | 1403 | case throw_incompatible_class_change_error_id: |
aoqi@6880 | 1404 | { |
aoqi@8865 | 1405 | StubFrame f(sasm, "throw_incompatible_class_cast_exception", dont_gc_arguments); |
aoqi@8865 | 1406 | oop_maps = generate_exception_throw(sasm, |
aoqi@8865 | 1407 | CAST_FROM_FN_PTR(address, throw_incompatible_class_change_error), false); |
aoqi@6880 | 1408 | } |
aoqi@6880 | 1409 | break; |
aoqi@1 | 1410 | |
aoqi@6880 | 1411 | case slow_subtype_check_id: |
aoqi@6880 | 1412 | { |
aoqi@6880 | 1413 | //actually , We do not use it |
aoqi@6880 | 1414 | // A0:klass_RInfo sub |
aoqi@6880 | 1415 | // A1:k->encoding() super |
aoqi@6880 | 1416 | __ set_info("slow_subtype_check", dont_gc_arguments); |
aoqi@6880 | 1417 | __ st_ptr(T0, SP, (-1) * wordSize); |
aoqi@6880 | 1418 | __ st_ptr(T1, SP, (-2) * wordSize); |
aoqi@6880 | 1419 | __ addiu(SP, SP, (-2) * wordSize); |
aoqi@1 | 1420 | |
fujie@9132 | 1421 | Label miss; |
fujie@9132 | 1422 | __ check_klass_subtype_slow_path(A0, A1, T0, T1, NULL, &miss); |
aoqi@1 | 1423 | |
aoqi@6880 | 1424 | __ addiu(V0, R0, 1); |
aoqi@6880 | 1425 | __ addiu(SP, SP, 2 * wordSize); |
aoqi@6880 | 1426 | __ ld_ptr(T0, SP, (-1) * wordSize); |
aoqi@6880 | 1427 | __ ld_ptr(T1, SP, (-2) * wordSize); |
aoqi@6880 | 1428 | __ jr(RA); |
aoqi@6880 | 1429 | __ delayed()->nop(); |
aoqi@1 | 1430 | |
aoqi@1 | 1431 | |
aoqi@6880 | 1432 | __ bind(miss); |
aoqi@6880 | 1433 | __ move(V0, R0); |
aoqi@6880 | 1434 | __ addiu(SP, SP, 2 * wordSize); |
aoqi@6880 | 1435 | __ ld_ptr(T0, SP, (-1) * wordSize); |
aoqi@6880 | 1436 | __ ld_ptr(T1, SP, (-2) * wordSize); |
aoqi@6880 | 1437 | __ jr(RA); |
aoqi@6880 | 1438 | __ delayed()->nop(); |
aoqi@6880 | 1439 | } |
aoqi@6880 | 1440 | break; |
aoqi@1 | 1441 | |
aoqi@1 | 1442 | case monitorenter_nofpu_id: |
aoqi@1 | 1443 | save_fpu_registers = false;// fall through |
aoqi@1 | 1444 | |
aoqi@6880 | 1445 | case monitorenter_id: |
aoqi@1 | 1446 | { |
aoqi@6880 | 1447 | StubFrame f(sasm, "monitorenter", dont_gc_arguments); |
aoqi@6880 | 1448 | OopMap* map = save_live_registers(sasm, 0, save_fpu_registers); |
aoqi@1 | 1449 | |
aoqi@6880 | 1450 | f.load_argument(1, V0); // V0: object |
aoqi@1 | 1451 | #ifndef _LP64 |
aoqi@6880 | 1452 | f.load_argument(0, T6); // T6: lock address |
aoqi@6880 | 1453 | int call_offset = __ call_RT(noreg, noreg, CAST_FROM_FN_PTR(address, |
aoqi@6880 | 1454 | monitorenter), V0, T6); |
aoqi@1 | 1455 | #else |
aoqi@6880 | 1456 | f.load_argument(0, A6); // A6: lock address |
aoqi@6880 | 1457 | int call_offset = __ call_RT(noreg, noreg, CAST_FROM_FN_PTR(address, |
aoqi@6880 | 1458 | monitorenter), V0, A6); |
aoqi@1 | 1459 | #endif |
aoqi@1 | 1460 | |
aoqi@6880 | 1461 | oop_maps = new OopMapSet(); |
aoqi@6880 | 1462 | oop_maps->add_gc_map(call_offset, map); |
aoqi@6880 | 1463 | restore_live_registers(sasm, save_fpu_registers); |
aoqi@6880 | 1464 | } |
aoqi@6880 | 1465 | break; |
aoqi@1 | 1466 | |
aoqi@6880 | 1467 | case monitorexit_nofpu_id: |
aoqi@6880 | 1468 | save_fpu_registers = false; |
aoqi@6880 | 1469 | // fall through |
aoqi@6880 | 1470 | case monitorexit_id: |
aoqi@6880 | 1471 | { |
aoqi@1 | 1472 | StubFrame f(sasm, "monitorexit", dont_gc_arguments); |
aoqi@1 | 1473 | OopMap* map = save_live_registers(sasm, 0, save_fpu_registers); |
aoqi@6880 | 1474 | |
aoqi@1 | 1475 | #ifndef _LP64 |
aoqi@1 | 1476 | f.load_argument(0, T6); // eax: lock address |
aoqi@1 | 1477 | #else |
aoqi@1 | 1478 | f.load_argument(0, A6); // A6: lock address |
aoqi@1 | 1479 | #endif |
aoqi@1 | 1480 | // note: really a leaf routine but must setup last java sp |
aoqi@1 | 1481 | // => use call_RT for now (speed can be improved by |
aoqi@1 | 1482 | // doing last java sp setup manually) |
aoqi@1 | 1483 | #ifndef _LP64 |
aoqi@6880 | 1484 | int call_offset = __ call_RT(noreg, noreg, |
aoqi@6880 | 1485 | CAST_FROM_FN_PTR(address, monitorexit), T6); |
aoqi@1 | 1486 | #else |
aoqi@6880 | 1487 | int call_offset = __ call_RT(noreg, noreg, |
aoqi@6880 | 1488 | CAST_FROM_FN_PTR(address, monitorexit), A6); |
aoqi@1 | 1489 | #endif |
aoqi@1 | 1490 | oop_maps = new OopMapSet(); |
aoqi@1 | 1491 | oop_maps->add_gc_map(call_offset, map); |
aoqi@1 | 1492 | restore_live_registers(sasm, save_fpu_registers); |
aoqi@6880 | 1493 | |
aoqi@1 | 1494 | } |
aoqi@1 | 1495 | break; |
aoqi@6880 | 1496 | // case init_check_patching_id: |
aoqi@6880 | 1497 | case access_field_patching_id: |
aoqi@6880 | 1498 | { |
aoqi@1 | 1499 | StubFrame f(sasm, "access_field_patching", dont_gc_arguments); |
aoqi@1 | 1500 | // we should set up register map |
aoqi@1 | 1501 | oop_maps = generate_patching(sasm, CAST_FROM_FN_PTR(address, access_field_patching)); |
aoqi@1 | 1502 | |
aoqi@1 | 1503 | } |
aoqi@1 | 1504 | break; |
aoqi@1 | 1505 | |
aoqi@6880 | 1506 | case load_klass_patching_id: |
aoqi@6880 | 1507 | { |
aoqi@6880 | 1508 | StubFrame f(sasm, "load_klass_patching", dont_gc_arguments); |
aoqi@6880 | 1509 | // we should set up register map |
aoqi@6880 | 1510 | oop_maps = generate_patching(sasm, CAST_FROM_FN_PTR(address, |
aoqi@6880 | 1511 | move_klass_patching)); |
aoqi@6880 | 1512 | } |
aoqi@6880 | 1513 | break; |
aoqi@6880 | 1514 | /* case jvmti_exception_throw_id: |
aoqi@6880 | 1515 | { |
aoqi@6880 | 1516 | // V0: exception oop |
aoqi@6880 | 1517 | // V1: exception pc |
aoqi@6880 | 1518 | StubFrame f(sasm, "jvmti_exception_throw", dont_gc_arguments); |
aoqi@6880 | 1519 | // Preserve all registers across this potentially blocking call |
aoqi@6880 | 1520 | const int num_rt_args = 2; // thread, exception oop |
aoqi@6880 | 1521 | //OopMap* map = save_live_registers(sasm, num_rt_args); |
aoqi@6880 | 1522 | OopMap* map = save_live_registers(sasm, 0); |
aoqi@6880 | 1523 | int call_offset = __ call_RT(noreg, noreg, CAST_FROM_FN_PTR(address, |
aoqi@6880 | 1524 | Runtime1::post_jvmti_exception_throw), V0); |
aoqi@6880 | 1525 | oop_maps = new OopMapSet(); |
aoqi@6880 | 1526 | oop_maps->add_gc_map(call_offset, map); |
aoqi@6880 | 1527 | restore_live_registers(sasm); |
aoqi@6880 | 1528 | }*/ |
aoqi@8865 | 1529 | case load_mirror_patching_id: |
aoqi@8865 | 1530 | { |
aoqi@8865 | 1531 | StubFrame f(sasm, "load_mirror_patching" , dont_gc_arguments); |
aoqi@8865 | 1532 | oop_maps = generate_patching(sasm, CAST_FROM_FN_PTR(address, move_mirror_patching)); |
aoqi@8865 | 1533 | } |
aoqi@6880 | 1534 | break; |
aoqi@8865 | 1535 | |
aoqi@8865 | 1536 | case load_appendix_patching_id: |
aoqi@8865 | 1537 | { |
aoqi@8865 | 1538 | StubFrame f(sasm, "load_appendix_patching", dont_gc_arguments); |
aoqi@8865 | 1539 | // we should set up register map |
aoqi@8865 | 1540 | oop_maps = generate_patching(sasm, CAST_FROM_FN_PTR(address, move_appendix_patching)); |
aoqi@8865 | 1541 | } |
aoqi@8865 | 1542 | break; |
aoqi@8865 | 1543 | |
aoqi@6880 | 1544 | case dtrace_object_alloc_id: |
aoqi@6880 | 1545 | { |
aoqi@6880 | 1546 | // V0:object |
aoqi@6880 | 1547 | StubFrame f(sasm, "dtrace_object_alloc", dont_gc_arguments); |
aoqi@6880 | 1548 | // we can't gc here so skip the oopmap but make sure that all |
aoqi@6880 | 1549 | // the live registers get saved. |
aoqi@6880 | 1550 | save_live_registers(sasm, 0); |
aoqi@1 | 1551 | |
aoqi@6880 | 1552 | __ push_reg(V0); |
aoqi@8865 | 1553 | __ move(A0, V0); |
aoqi@6880 | 1554 | __ call(CAST_FROM_FN_PTR(address, SharedRuntime::dtrace_object_alloc), |
aoqi@6880 | 1555 | relocInfo::runtime_call_type); |
fujie@9134 | 1556 | __ delayed()->nop(); |
aoqi@6880 | 1557 | __ super_pop(V0); |
aoqi@1 | 1558 | |
aoqi@6880 | 1559 | restore_live_registers(sasm); |
aoqi@6880 | 1560 | } |
aoqi@6880 | 1561 | break; |
aoqi@8865 | 1562 | |
aoqi@6880 | 1563 | case fpu2long_stub_id: |
aoqi@6880 | 1564 | { |
aoqi@8865 | 1565 | //FIXME, I hava no idea how to port this |
aoqi@8865 | 1566 | //tty->print_cr("fpu2long_stub_id unimplemented yet!"); |
aoqi@6880 | 1567 | } |
aoqi@8865 | 1568 | break; |
aoqi@8865 | 1569 | |
aoqi@8865 | 1570 | case deoptimize_id: |
aoqi@8865 | 1571 | { |
aoqi@8865 | 1572 | StubFrame f(sasm, "deoptimize", dont_gc_arguments); |
aoqi@8865 | 1573 | const int num_rt_args = 1; // thread |
aoqi@8865 | 1574 | OopMap* oop_map = save_live_registers(sasm, num_rt_args); |
aoqi@8865 | 1575 | int call_offset = __ call_RT(noreg, noreg, CAST_FROM_FN_PTR(address, deoptimize)); |
aoqi@8865 | 1576 | oop_maps = new OopMapSet(); |
aoqi@8865 | 1577 | oop_maps->add_gc_map(call_offset, oop_map); |
aoqi@8865 | 1578 | restore_live_registers(sasm); |
aoqi@8865 | 1579 | DeoptimizationBlob* deopt_blob = SharedRuntime::deopt_blob(); |
aoqi@8865 | 1580 | assert(deopt_blob != NULL, "deoptimization blob must have been created"); |
aoqi@8865 | 1581 | __ leave(); |
aoqi@8865 | 1582 | __ jmp(deopt_blob->unpack_with_reexecution(), relocInfo::runtime_call_type); |
zhaixiang@9135 | 1583 | __ delayed()->nop(); |
aoqi@8865 | 1584 | } |
aoqi@8865 | 1585 | break; |
aoqi@8865 | 1586 | |
aoqi@8865 | 1587 | case predicate_failed_trap_id: |
aoqi@8865 | 1588 | { |
aoqi@8865 | 1589 | StubFrame f(sasm, "predicate_failed_trap", dont_gc_arguments); |
aoqi@8865 | 1590 | |
aoqi@8865 | 1591 | OopMap* map = save_live_registers(sasm, 1); |
aoqi@8865 | 1592 | |
aoqi@8865 | 1593 | int call_offset = __ call_RT(noreg, noreg, CAST_FROM_FN_PTR(address, predicate_failed_trap)); |
aoqi@8865 | 1594 | oop_maps = new OopMapSet(); |
aoqi@8865 | 1595 | oop_maps->add_gc_map(call_offset, map); |
aoqi@8865 | 1596 | restore_live_registers(sasm); |
aoqi@8865 | 1597 | __ leave(); |
aoqi@8865 | 1598 | DeoptimizationBlob* deopt_blob = SharedRuntime::deopt_blob(); |
aoqi@8865 | 1599 | assert(deopt_blob != NULL, "deoptimization blob must have been created"); |
aoqi@8865 | 1600 | |
aoqi@8865 | 1601 | __ jmp(deopt_blob->unpack_with_reexecution(), relocInfo::runtime_call_type); |
zhaixiang@9135 | 1602 | __ delayed()->nop(); |
aoqi@8865 | 1603 | } |
aoqi@8865 | 1604 | break; |
aoqi@8865 | 1605 | |
aoqi@6880 | 1606 | default: |
aoqi@8865 | 1607 | { |
aoqi@8865 | 1608 | StubFrame f(sasm, "unimplemented entry", dont_gc_arguments); |
aoqi@6880 | 1609 | __ move(A1, (int)id); |
aoqi@6880 | 1610 | __ call_RT(noreg, noreg, CAST_FROM_FN_PTR(address, unimplemented_entry), A1); |
aoqi@6880 | 1611 | __ should_not_reach_here(); |
aoqi@6880 | 1612 | } |
aoqi@6880 | 1613 | break; |
aoqi@6880 | 1614 | } |
aoqi@6880 | 1615 | return oop_maps; |
aoqi@1 | 1616 | } |
aoqi@1 | 1617 | |
aoqi@1 | 1618 | #undef __ |
aoqi@1 | 1619 | |
aoqi@1 | 1620 | const char *Runtime1::pd_name_for_address(address entry) { |
aoqi@1 | 1621 | return "<unknown function>"; |
aoqi@1 | 1622 | } |