Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1 | // Copyright 2014 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | // Declares a Simulator for S390 instructions if we are not generating a native |
| 6 | // S390 binary. This Simulator allows us to run and debug S390 code generation |
| 7 | // on regular desktop machines. |
| 8 | // V8 calls into generated code by "calling" the CALL_GENERATED_CODE macro, |
| 9 | // which will start execution in the Simulator or forwards to the real entry |
| 10 | // on a S390 hardware platform. |
| 11 | |
| 12 | #ifndef V8_S390_SIMULATOR_S390_H_ |
| 13 | #define V8_S390_SIMULATOR_S390_H_ |
| 14 | |
| 15 | #include "src/allocation.h" |
| 16 | |
| 17 | #if !defined(USE_SIMULATOR) |
| 18 | // Running without a simulator on a native s390 platform. |
| 19 | |
| 20 | namespace v8 { |
| 21 | namespace internal { |
| 22 | |
| 23 | // When running without a simulator we call the entry directly. |
| 24 | #define CALL_GENERATED_CODE(isolate, entry, p0, p1, p2, p3, p4) \ |
| 25 | (entry(p0, p1, p2, p3, p4)) |
| 26 | |
| 27 | typedef int (*s390_regexp_matcher)(String*, int, const byte*, const byte*, int*, |
| 28 | int, Address, int, void*, Isolate*); |
| 29 | |
| 30 | // Call the generated regexp code directly. The code at the entry address |
| 31 | // should act as a function matching the type ppc_regexp_matcher. |
| 32 | // The ninth argument is a dummy that reserves the space used for |
| 33 | // the return address added by the ExitFrame in native calls. |
| 34 | #define CALL_GENERATED_REGEXP_CODE(isolate, entry, p0, p1, p2, p3, p4, p5, p6, \ |
| 35 | p7, p8) \ |
| 36 | (FUNCTION_CAST<s390_regexp_matcher>(entry)(p0, p1, p2, p3, p4, p5, p6, p7, \ |
| 37 | NULL, p8)) |
| 38 | |
| 39 | // The stack limit beyond which we will throw stack overflow errors in |
| 40 | // generated code. Because generated code on s390 uses the C stack, we |
| 41 | // just use the C stack limit. |
| 42 | class SimulatorStack : public v8::internal::AllStatic { |
| 43 | public: |
| 44 | static inline uintptr_t JsLimitFromCLimit(v8::internal::Isolate* isolate, |
| 45 | uintptr_t c_limit) { |
| 46 | USE(isolate); |
| 47 | return c_limit; |
| 48 | } |
| 49 | |
| 50 | static inline uintptr_t RegisterCTryCatch(v8::internal::Isolate* isolate, |
| 51 | uintptr_t try_catch_address) { |
| 52 | USE(isolate); |
| 53 | return try_catch_address; |
| 54 | } |
| 55 | |
| 56 | static inline void UnregisterCTryCatch(v8::internal::Isolate* isolate) { |
| 57 | USE(isolate); |
| 58 | } |
| 59 | }; |
| 60 | } // namespace internal |
| 61 | } // namespace v8 |
| 62 | |
| 63 | #else // !defined(USE_SIMULATOR) |
| 64 | // Running with a simulator. |
| 65 | |
| 66 | #include "src/assembler.h" |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 67 | #include "src/base/hashmap.h" |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 68 | #include "src/s390/constants-s390.h" |
| 69 | |
| 70 | namespace v8 { |
| 71 | namespace internal { |
| 72 | |
| 73 | class CachePage { |
| 74 | public: |
| 75 | static const int LINE_VALID = 0; |
| 76 | static const int LINE_INVALID = 1; |
| 77 | |
| 78 | static const int kPageShift = 12; |
| 79 | static const int kPageSize = 1 << kPageShift; |
| 80 | static const int kPageMask = kPageSize - 1; |
| 81 | static const int kLineShift = 2; // The cache line is only 4 bytes right now. |
| 82 | static const int kLineLength = 1 << kLineShift; |
| 83 | static const int kLineMask = kLineLength - 1; |
| 84 | |
| 85 | CachePage() { memset(&validity_map_, LINE_INVALID, sizeof(validity_map_)); } |
| 86 | |
| 87 | char* ValidityByte(int offset) { |
| 88 | return &validity_map_[offset >> kLineShift]; |
| 89 | } |
| 90 | |
| 91 | char* CachedData(int offset) { return &data_[offset]; } |
| 92 | |
| 93 | private: |
| 94 | char data_[kPageSize]; // The cached data. |
| 95 | static const int kValidityMapSize = kPageSize >> kLineShift; |
| 96 | char validity_map_[kValidityMapSize]; // One byte per line. |
| 97 | }; |
| 98 | |
| 99 | class Simulator { |
| 100 | public: |
| 101 | friend class S390Debugger; |
| 102 | enum Register { |
| 103 | no_reg = -1, |
| 104 | r0 = 0, |
| 105 | r1 = 1, |
| 106 | r2 = 2, |
| 107 | r3 = 3, |
| 108 | r4 = 4, |
| 109 | r5 = 5, |
| 110 | r6 = 6, |
| 111 | r7 = 7, |
| 112 | r8 = 8, |
| 113 | r9 = 9, |
| 114 | r10 = 10, |
| 115 | r11 = 11, |
| 116 | r12 = 12, |
| 117 | r13 = 13, |
| 118 | r14 = 14, |
| 119 | r15 = 15, |
| 120 | fp = r11, |
| 121 | ip = r12, |
| 122 | cp = r13, |
| 123 | ra = r14, |
| 124 | sp = r15, // name aliases |
| 125 | kNumGPRs = 16, |
| 126 | d0 = 0, |
| 127 | d1, |
| 128 | d2, |
| 129 | d3, |
| 130 | d4, |
| 131 | d5, |
| 132 | d6, |
| 133 | d7, |
| 134 | d8, |
| 135 | d9, |
| 136 | d10, |
| 137 | d11, |
| 138 | d12, |
| 139 | d13, |
| 140 | d14, |
| 141 | d15, |
| 142 | kNumFPRs = 16 |
| 143 | }; |
| 144 | |
| 145 | explicit Simulator(Isolate* isolate); |
| 146 | ~Simulator(); |
| 147 | |
| 148 | // The currently executing Simulator instance. Potentially there can be one |
| 149 | // for each native thread. |
| 150 | static Simulator* current(v8::internal::Isolate* isolate); |
| 151 | |
| 152 | // Accessors for register state. |
| 153 | void set_register(int reg, uint64_t value); |
| 154 | uint64_t get_register(int reg) const; |
| 155 | template <typename T> |
| 156 | T get_low_register(int reg) const; |
| 157 | template <typename T> |
| 158 | T get_high_register(int reg) const; |
| 159 | void set_low_register(int reg, uint32_t value); |
| 160 | void set_high_register(int reg, uint32_t value); |
| 161 | |
| 162 | double get_double_from_register_pair(int reg); |
| 163 | void set_d_register_from_double(int dreg, const double dbl) { |
| 164 | DCHECK(dreg >= 0 && dreg < kNumFPRs); |
| 165 | *bit_cast<double*>(&fp_registers_[dreg]) = dbl; |
| 166 | } |
| 167 | |
| 168 | double get_double_from_d_register(int dreg) { |
| 169 | DCHECK(dreg >= 0 && dreg < kNumFPRs); |
| 170 | return *bit_cast<double*>(&fp_registers_[dreg]); |
| 171 | } |
| 172 | void set_d_register(int dreg, int64_t value) { |
| 173 | DCHECK(dreg >= 0 && dreg < kNumFPRs); |
| 174 | fp_registers_[dreg] = value; |
| 175 | } |
| 176 | int64_t get_d_register(int dreg) { |
| 177 | DCHECK(dreg >= 0 && dreg < kNumFPRs); |
| 178 | return fp_registers_[dreg]; |
| 179 | } |
| 180 | |
| 181 | void set_d_register_from_float32(int dreg, const float f) { |
| 182 | DCHECK(dreg >= 0 && dreg < kNumFPRs); |
| 183 | |
| 184 | int32_t f_int = *bit_cast<int32_t*>(&f); |
| 185 | int64_t finalval = static_cast<int64_t>(f_int) << 32; |
| 186 | set_d_register(dreg, finalval); |
| 187 | } |
| 188 | |
| 189 | float get_float32_from_d_register(int dreg) { |
| 190 | DCHECK(dreg >= 0 && dreg < kNumFPRs); |
| 191 | |
| 192 | int64_t regval = get_d_register(dreg) >> 32; |
| 193 | int32_t regval32 = static_cast<int32_t>(regval); |
| 194 | return *bit_cast<float*>(®val32); |
| 195 | } |
| 196 | |
| 197 | // Special case of set_register and get_register to access the raw PC value. |
| 198 | void set_pc(intptr_t value); |
| 199 | intptr_t get_pc() const; |
| 200 | |
| 201 | Address get_sp() const { |
| 202 | return reinterpret_cast<Address>(static_cast<intptr_t>(get_register(sp))); |
| 203 | } |
| 204 | |
| 205 | // Accessor to the internal simulator stack area. |
| 206 | uintptr_t StackLimit(uintptr_t c_limit) const; |
| 207 | |
| 208 | // Executes S390 instructions until the PC reaches end_sim_pc. |
| 209 | void Execute(); |
| 210 | |
| 211 | // Call on program start. |
| 212 | static void Initialize(Isolate* isolate); |
| 213 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 214 | static void TearDown(base::HashMap* i_cache, Redirection* first); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 215 | |
| 216 | // V8 generally calls into generated JS code with 5 parameters and into |
| 217 | // generated RegExp code with 7 parameters. This is a convenience function, |
| 218 | // which sets up the simulator state and grabs the result on return. |
| 219 | intptr_t Call(byte* entry, int argument_count, ...); |
| 220 | // Alternative: call a 2-argument double function. |
| 221 | void CallFP(byte* entry, double d0, double d1); |
| 222 | int32_t CallFPReturnsInt(byte* entry, double d0, double d1); |
| 223 | double CallFPReturnsDouble(byte* entry, double d0, double d1); |
| 224 | |
| 225 | // Push an address onto the JS stack. |
| 226 | uintptr_t PushAddress(uintptr_t address); |
| 227 | |
| 228 | // Pop an address from the JS stack. |
| 229 | uintptr_t PopAddress(); |
| 230 | |
| 231 | // Debugger input. |
| 232 | void set_last_debugger_input(char* input); |
| 233 | char* last_debugger_input() { return last_debugger_input_; } |
| 234 | |
| 235 | // ICache checking. |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 236 | static void FlushICache(base::HashMap* i_cache, void* start, size_t size); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 237 | |
| 238 | // Returns true if pc register contains one of the 'special_values' defined |
| 239 | // below (bad_lr, end_sim_pc). |
| 240 | bool has_bad_pc() const; |
| 241 | |
| 242 | private: |
| 243 | enum special_values { |
| 244 | // Known bad pc value to ensure that the simulator does not execute |
| 245 | // without being properly setup. |
| 246 | bad_lr = -1, |
| 247 | // A pc value used to signal the simulator to stop execution. Generally |
| 248 | // the lr is set to this value on transition from native C code to |
| 249 | // simulated execution, so that the simulator can "return" to the native |
| 250 | // C code. |
| 251 | end_sim_pc = -2 |
| 252 | }; |
| 253 | |
| 254 | // Unsupported instructions use Format to print an error and stop execution. |
| 255 | void Format(Instruction* instr, const char* format); |
| 256 | |
| 257 | // Helper functions to set the conditional flags in the architecture state. |
| 258 | bool CarryFrom(int32_t left, int32_t right, int32_t carry = 0); |
| 259 | bool BorrowFrom(int32_t left, int32_t right); |
| 260 | template <typename T1> |
| 261 | inline bool OverflowFromSigned(T1 alu_out, T1 left, T1 right, bool addition); |
| 262 | |
| 263 | // Helper functions to decode common "addressing" modes |
| 264 | int32_t GetShiftRm(Instruction* instr, bool* carry_out); |
| 265 | int32_t GetImm(Instruction* instr, bool* carry_out); |
| 266 | void ProcessPUW(Instruction* instr, int num_regs, int operand_size, |
| 267 | intptr_t* start_address, intptr_t* end_address); |
| 268 | void HandleRList(Instruction* instr, bool load); |
| 269 | void HandleVList(Instruction* inst); |
| 270 | void SoftwareInterrupt(Instruction* instr); |
| 271 | |
| 272 | // Stop helper functions. |
| 273 | inline bool isStopInstruction(Instruction* instr); |
| 274 | inline bool isWatchedStop(uint32_t bkpt_code); |
| 275 | inline bool isEnabledStop(uint32_t bkpt_code); |
| 276 | inline void EnableStop(uint32_t bkpt_code); |
| 277 | inline void DisableStop(uint32_t bkpt_code); |
| 278 | inline void IncreaseStopCounter(uint32_t bkpt_code); |
| 279 | void PrintStopInfo(uint32_t code); |
| 280 | |
| 281 | // Byte Reverse |
| 282 | inline int16_t ByteReverse(int16_t hword); |
| 283 | inline int32_t ByteReverse(int32_t word); |
| 284 | |
| 285 | // Read and write memory. |
| 286 | inline uint8_t ReadBU(intptr_t addr); |
| 287 | inline int8_t ReadB(intptr_t addr); |
| 288 | inline void WriteB(intptr_t addr, uint8_t value); |
| 289 | inline void WriteB(intptr_t addr, int8_t value); |
| 290 | |
| 291 | inline uint16_t ReadHU(intptr_t addr, Instruction* instr); |
| 292 | inline int16_t ReadH(intptr_t addr, Instruction* instr); |
| 293 | // Note: Overloaded on the sign of the value. |
| 294 | inline void WriteH(intptr_t addr, uint16_t value, Instruction* instr); |
| 295 | inline void WriteH(intptr_t addr, int16_t value, Instruction* instr); |
| 296 | |
| 297 | inline uint32_t ReadWU(intptr_t addr, Instruction* instr); |
| 298 | inline int32_t ReadW(intptr_t addr, Instruction* instr); |
| 299 | inline void WriteW(intptr_t addr, uint32_t value, Instruction* instr); |
| 300 | inline void WriteW(intptr_t addr, int32_t value, Instruction* instr); |
| 301 | |
| 302 | inline int64_t ReadDW(intptr_t addr); |
| 303 | inline double ReadDouble(intptr_t addr); |
| 304 | inline void WriteDW(intptr_t addr, int64_t value); |
| 305 | |
| 306 | // S390 |
| 307 | void Trace(Instruction* instr); |
| 308 | bool DecodeTwoByte(Instruction* instr); |
| 309 | bool DecodeFourByte(Instruction* instr); |
| 310 | bool DecodeFourByteArithmetic(Instruction* instr); |
| 311 | bool DecodeFourByteArithmetic64Bit(Instruction* instr); |
| 312 | bool DecodeFourByteFloatingPoint(Instruction* instr); |
| 313 | void DecodeFourByteFloatingPointIntConversion(Instruction* instr); |
| 314 | void DecodeFourByteFloatingPointRound(Instruction* instr); |
| 315 | |
| 316 | bool DecodeSixByte(Instruction* instr); |
| 317 | bool DecodeSixByteArithmetic(Instruction* instr); |
| 318 | bool S390InstructionDecode(Instruction* instr); |
| 319 | void DecodeSixByteBitShift(Instruction* instr); |
| 320 | |
| 321 | // Used by the CL**BR instructions. |
| 322 | template <typename T1, typename T2> |
| 323 | void SetS390RoundConditionCode(T1 r2_val, T2 max, T2 min) { |
| 324 | condition_reg_ = 0; |
| 325 | double r2_dval = static_cast<double>(r2_val); |
| 326 | double dbl_min = static_cast<double>(min); |
| 327 | double dbl_max = static_cast<double>(max); |
| 328 | |
| 329 | if (r2_dval == 0.0) |
| 330 | condition_reg_ = 8; |
| 331 | else if (r2_dval < 0.0 && r2_dval >= dbl_min && std::isfinite(r2_dval)) |
| 332 | condition_reg_ = 4; |
| 333 | else if (r2_dval > 0.0 && r2_dval <= dbl_max && std::isfinite(r2_dval)) |
| 334 | condition_reg_ = 2; |
| 335 | else |
| 336 | condition_reg_ = 1; |
| 337 | } |
| 338 | |
| 339 | template <typename T1> |
| 340 | void SetS390RoundConditionCode(T1 r2_val, int64_t max, int64_t min) { |
| 341 | condition_reg_ = 0; |
| 342 | double r2_dval = static_cast<double>(r2_val); |
| 343 | double dbl_min = static_cast<double>(min); |
| 344 | double dbl_max = static_cast<double>(max); |
| 345 | |
| 346 | // Note that the IEEE 754 floating-point representations (both 32 and |
| 347 | // 64 bit) cannot exactly represent INT64_MAX. The closest it can get |
| 348 | // is INT64_max + 1. IEEE 754 FP can, though, represent INT64_MIN |
| 349 | // exactly. |
| 350 | |
| 351 | // This is not an issue for INT32, as IEEE754 64-bit can represent |
| 352 | // INT32_MAX and INT32_MIN with exact precision. |
| 353 | |
| 354 | if (r2_dval == 0.0) |
| 355 | condition_reg_ = 8; |
| 356 | else if (r2_dval < 0.0 && r2_dval >= dbl_min && std::isfinite(r2_dval)) |
| 357 | condition_reg_ = 4; |
| 358 | else if (r2_dval > 0.0 && r2_dval < dbl_max && std::isfinite(r2_dval)) |
| 359 | condition_reg_ = 2; |
| 360 | else |
| 361 | condition_reg_ = 1; |
| 362 | } |
| 363 | |
| 364 | // Used by the CL**BR instructions. |
| 365 | template <typename T1, typename T2, typename T3> |
| 366 | void SetS390ConvertConditionCode(T1 src, T2 dst, T3 max) { |
| 367 | condition_reg_ = 0; |
| 368 | if (src == static_cast<T1>(0.0)) { |
| 369 | condition_reg_ |= 8; |
| 370 | } else if (src < static_cast<T1>(0.0) && static_cast<T2>(src) == 0 && |
| 371 | std::isfinite(src)) { |
| 372 | condition_reg_ |= 4; |
| 373 | } else if (src > static_cast<T1>(0.0) && std::isfinite(src) && |
| 374 | src < static_cast<T1>(max)) { |
| 375 | condition_reg_ |= 2; |
| 376 | } else { |
| 377 | condition_reg_ |= 1; |
| 378 | } |
| 379 | } |
| 380 | |
| 381 | template <typename T> |
| 382 | void SetS390ConditionCode(T lhs, T rhs) { |
| 383 | condition_reg_ = 0; |
| 384 | if (lhs == rhs) { |
| 385 | condition_reg_ |= CC_EQ; |
| 386 | } else if (lhs < rhs) { |
| 387 | condition_reg_ |= CC_LT; |
| 388 | } else if (lhs > rhs) { |
| 389 | condition_reg_ |= CC_GT; |
| 390 | } |
| 391 | |
| 392 | // We get down here only for floating point |
| 393 | // comparisons and the values are unordered |
| 394 | // i.e. NaN |
| 395 | if (condition_reg_ == 0) condition_reg_ = unordered; |
| 396 | } |
| 397 | |
| 398 | // Used by arithmetic operations that use carry. |
| 399 | template <typename T> |
| 400 | void SetS390ConditionCodeCarry(T result, bool overflow) { |
| 401 | condition_reg_ = 0; |
| 402 | bool zero_result = (result == static_cast<T>(0)); |
| 403 | if (zero_result && !overflow) { |
| 404 | condition_reg_ |= 8; |
| 405 | } else if (!zero_result && !overflow) { |
| 406 | condition_reg_ |= 4; |
| 407 | } else if (zero_result && overflow) { |
| 408 | condition_reg_ |= 2; |
| 409 | } else if (!zero_result && overflow) { |
| 410 | condition_reg_ |= 1; |
| 411 | } |
| 412 | if (condition_reg_ == 0) UNREACHABLE(); |
| 413 | } |
| 414 | |
| 415 | bool isNaN(double value) { return (value != value); } |
| 416 | |
| 417 | // Set the condition code for bitwise operations |
| 418 | // CC0 is set if value == 0. |
| 419 | // CC1 is set if value != 0. |
| 420 | // CC2/CC3 are not set. |
| 421 | template <typename T> |
| 422 | void SetS390BitWiseConditionCode(T value) { |
| 423 | condition_reg_ = 0; |
| 424 | |
| 425 | if (value == 0) |
| 426 | condition_reg_ |= CC_EQ; |
| 427 | else |
| 428 | condition_reg_ |= CC_LT; |
| 429 | } |
| 430 | |
| 431 | void SetS390OverflowCode(bool isOF) { |
| 432 | if (isOF) condition_reg_ = CC_OF; |
| 433 | } |
| 434 | |
| 435 | bool TestConditionCode(Condition mask) { |
| 436 | // Check for unconditional branch |
| 437 | if (mask == 0xf) return true; |
| 438 | |
| 439 | return (condition_reg_ & mask) != 0; |
| 440 | } |
| 441 | |
| 442 | // Executes one instruction. |
| 443 | void ExecuteInstruction(Instruction* instr, bool auto_incr_pc = true); |
| 444 | |
| 445 | // ICache. |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 446 | static void CheckICache(base::HashMap* i_cache, Instruction* instr); |
| 447 | static void FlushOnePage(base::HashMap* i_cache, intptr_t start, int size); |
| 448 | static CachePage* GetCachePage(base::HashMap* i_cache, void* page); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 449 | |
| 450 | // Runtime call support. |
| 451 | static void* RedirectExternalReference( |
| 452 | Isolate* isolate, void* external_function, |
| 453 | v8::internal::ExternalReference::Type type); |
| 454 | |
| 455 | // Handle arguments and return value for runtime FP functions. |
| 456 | void GetFpArgs(double* x, double* y, intptr_t* z); |
| 457 | void SetFpResult(const double& result); |
| 458 | void TrashCallerSaveRegisters(); |
| 459 | |
| 460 | void CallInternal(byte* entry, int reg_arg_count = 3); |
| 461 | |
| 462 | // Architecture state. |
| 463 | // On z9 and higher and supported Linux on z Systems platforms, all registers |
| 464 | // are 64-bit, even in 31-bit mode. |
| 465 | uint64_t registers_[kNumGPRs]; |
| 466 | int64_t fp_registers_[kNumFPRs]; |
| 467 | |
| 468 | // Condition Code register. In S390, the last 4 bits are used. |
| 469 | int32_t condition_reg_; |
| 470 | // Special register to track PC. |
| 471 | intptr_t special_reg_pc_; |
| 472 | |
| 473 | // Simulator support. |
| 474 | char* stack_; |
| 475 | static const size_t stack_protection_size_ = 256 * kPointerSize; |
| 476 | bool pc_modified_; |
| 477 | int64_t icount_; |
| 478 | |
| 479 | // Debugger input. |
| 480 | char* last_debugger_input_; |
| 481 | |
| 482 | // Icache simulation |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 483 | base::HashMap* i_cache_; |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 484 | |
| 485 | // Registered breakpoints. |
| 486 | Instruction* break_pc_; |
| 487 | Instr break_instr_; |
| 488 | |
| 489 | v8::internal::Isolate* isolate_; |
| 490 | |
| 491 | // A stop is watched if its code is less than kNumOfWatchedStops. |
| 492 | // Only watched stops support enabling/disabling and the counter feature. |
| 493 | static const uint32_t kNumOfWatchedStops = 256; |
| 494 | |
| 495 | // Breakpoint is disabled if bit 31 is set. |
| 496 | static const uint32_t kStopDisabledBit = 1 << 31; |
| 497 | |
| 498 | // A stop is enabled, meaning the simulator will stop when meeting the |
| 499 | // instruction, if bit 31 of watched_stops_[code].count is unset. |
| 500 | // The value watched_stops_[code].count & ~(1 << 31) indicates how many times |
| 501 | // the breakpoint was hit or gone through. |
| 502 | struct StopCountAndDesc { |
| 503 | uint32_t count; |
| 504 | char* desc; |
| 505 | }; |
| 506 | StopCountAndDesc watched_stops_[kNumOfWatchedStops]; |
| 507 | void DebugStart(); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 508 | |
| 509 | int DecodeInstructionOriginal(Instruction* instr); |
| 510 | int DecodeInstruction(Instruction* instr); |
| 511 | int Evaluate_Unknown(Instruction* instr); |
| 512 | #define MAX_NUM_OPCODES (1 << 16) |
| 513 | typedef int (Simulator::*EvaluateFuncType)(Instruction*); |
| 514 | |
| 515 | static EvaluateFuncType EvalTable[MAX_NUM_OPCODES]; |
| 516 | static void EvalTableInit(); |
| 517 | |
| 518 | #define EVALUATE(name) int Evaluate_##name(Instruction* instr) |
| 519 | EVALUATE(BKPT); |
| 520 | EVALUATE(SPM); |
| 521 | EVALUATE(BALR); |
| 522 | EVALUATE(BCTR); |
| 523 | EVALUATE(BCR); |
| 524 | EVALUATE(SVC); |
| 525 | EVALUATE(BSM); |
| 526 | EVALUATE(BASSM); |
| 527 | EVALUATE(BASR); |
| 528 | EVALUATE(MVCL); |
| 529 | EVALUATE(CLCL); |
| 530 | EVALUATE(LPR); |
| 531 | EVALUATE(LNR); |
| 532 | EVALUATE(LTR); |
| 533 | EVALUATE(LCR); |
| 534 | EVALUATE(NR); |
| 535 | EVALUATE(CLR); |
| 536 | EVALUATE(OR); |
| 537 | EVALUATE(XR); |
| 538 | EVALUATE(LR); |
| 539 | EVALUATE(CR); |
| 540 | EVALUATE(AR); |
| 541 | EVALUATE(SR); |
| 542 | EVALUATE(MR); |
| 543 | EVALUATE(DR); |
| 544 | EVALUATE(ALR); |
| 545 | EVALUATE(SLR); |
| 546 | EVALUATE(LDR); |
| 547 | EVALUATE(CDR); |
| 548 | EVALUATE(LER); |
| 549 | EVALUATE(STH); |
| 550 | EVALUATE(LA); |
| 551 | EVALUATE(STC); |
| 552 | EVALUATE(IC_z); |
| 553 | EVALUATE(EX); |
| 554 | EVALUATE(BAL); |
| 555 | EVALUATE(BCT); |
| 556 | EVALUATE(BC); |
| 557 | EVALUATE(LH); |
| 558 | EVALUATE(CH); |
| 559 | EVALUATE(AH); |
| 560 | EVALUATE(SH); |
| 561 | EVALUATE(MH); |
| 562 | EVALUATE(BAS); |
| 563 | EVALUATE(CVD); |
| 564 | EVALUATE(CVB); |
| 565 | EVALUATE(ST); |
| 566 | EVALUATE(LAE); |
| 567 | EVALUATE(N); |
| 568 | EVALUATE(CL); |
| 569 | EVALUATE(O); |
| 570 | EVALUATE(X); |
| 571 | EVALUATE(L); |
| 572 | EVALUATE(C); |
| 573 | EVALUATE(A); |
| 574 | EVALUATE(S); |
| 575 | EVALUATE(M); |
| 576 | EVALUATE(D); |
| 577 | EVALUATE(AL); |
| 578 | EVALUATE(SL); |
| 579 | EVALUATE(STD); |
| 580 | EVALUATE(LD); |
| 581 | EVALUATE(CD); |
| 582 | EVALUATE(STE); |
| 583 | EVALUATE(MS); |
| 584 | EVALUATE(LE); |
| 585 | EVALUATE(BRXH); |
| 586 | EVALUATE(BRXLE); |
| 587 | EVALUATE(BXH); |
| 588 | EVALUATE(BXLE); |
| 589 | EVALUATE(SRL); |
| 590 | EVALUATE(SLL); |
| 591 | EVALUATE(SRA); |
| 592 | EVALUATE(SLA); |
| 593 | EVALUATE(SRDL); |
| 594 | EVALUATE(SLDL); |
| 595 | EVALUATE(SRDA); |
| 596 | EVALUATE(SLDA); |
| 597 | EVALUATE(STM); |
| 598 | EVALUATE(TM); |
| 599 | EVALUATE(MVI); |
| 600 | EVALUATE(TS); |
| 601 | EVALUATE(NI); |
| 602 | EVALUATE(CLI); |
| 603 | EVALUATE(OI); |
| 604 | EVALUATE(XI); |
| 605 | EVALUATE(LM); |
| 606 | EVALUATE(MVCLE); |
| 607 | EVALUATE(CLCLE); |
| 608 | EVALUATE(MC); |
| 609 | EVALUATE(CDS); |
| 610 | EVALUATE(STCM); |
| 611 | EVALUATE(ICM); |
| 612 | EVALUATE(BPRP); |
| 613 | EVALUATE(BPP); |
| 614 | EVALUATE(TRTR); |
| 615 | EVALUATE(MVN); |
| 616 | EVALUATE(MVC); |
| 617 | EVALUATE(MVZ); |
| 618 | EVALUATE(NC); |
| 619 | EVALUATE(CLC); |
| 620 | EVALUATE(OC); |
| 621 | EVALUATE(XC); |
| 622 | EVALUATE(MVCP); |
| 623 | EVALUATE(TR); |
| 624 | EVALUATE(TRT); |
| 625 | EVALUATE(ED); |
| 626 | EVALUATE(EDMK); |
| 627 | EVALUATE(PKU); |
| 628 | EVALUATE(UNPKU); |
| 629 | EVALUATE(MVCIN); |
| 630 | EVALUATE(PKA); |
| 631 | EVALUATE(UNPKA); |
| 632 | EVALUATE(PLO); |
| 633 | EVALUATE(LMD); |
| 634 | EVALUATE(SRP); |
| 635 | EVALUATE(MVO); |
| 636 | EVALUATE(PACK); |
| 637 | EVALUATE(UNPK); |
| 638 | EVALUATE(ZAP); |
| 639 | EVALUATE(AP); |
| 640 | EVALUATE(SP); |
| 641 | EVALUATE(MP); |
| 642 | EVALUATE(DP); |
| 643 | EVALUATE(UPT); |
| 644 | EVALUATE(PFPO); |
| 645 | EVALUATE(IIHH); |
| 646 | EVALUATE(IIHL); |
| 647 | EVALUATE(IILH); |
| 648 | EVALUATE(IILL); |
| 649 | EVALUATE(NIHH); |
| 650 | EVALUATE(NIHL); |
| 651 | EVALUATE(NILH); |
| 652 | EVALUATE(NILL); |
| 653 | EVALUATE(OIHH); |
| 654 | EVALUATE(OIHL); |
| 655 | EVALUATE(OILH); |
| 656 | EVALUATE(OILL); |
| 657 | EVALUATE(LLIHH); |
| 658 | EVALUATE(LLIHL); |
| 659 | EVALUATE(LLILH); |
| 660 | EVALUATE(LLILL); |
| 661 | EVALUATE(TMLH); |
| 662 | EVALUATE(TMLL); |
| 663 | EVALUATE(TMHH); |
| 664 | EVALUATE(TMHL); |
| 665 | EVALUATE(BRC); |
| 666 | EVALUATE(BRAS); |
| 667 | EVALUATE(BRCT); |
| 668 | EVALUATE(BRCTG); |
| 669 | EVALUATE(LHI); |
| 670 | EVALUATE(LGHI); |
| 671 | EVALUATE(AHI); |
| 672 | EVALUATE(AGHI); |
| 673 | EVALUATE(MHI); |
| 674 | EVALUATE(MGHI); |
| 675 | EVALUATE(CHI); |
| 676 | EVALUATE(CGHI); |
| 677 | EVALUATE(LARL); |
| 678 | EVALUATE(LGFI); |
| 679 | EVALUATE(BRCL); |
| 680 | EVALUATE(BRASL); |
| 681 | EVALUATE(XIHF); |
| 682 | EVALUATE(XILF); |
| 683 | EVALUATE(IIHF); |
| 684 | EVALUATE(IILF); |
| 685 | EVALUATE(NIHF); |
| 686 | EVALUATE(NILF); |
| 687 | EVALUATE(OIHF); |
| 688 | EVALUATE(OILF); |
| 689 | EVALUATE(LLIHF); |
| 690 | EVALUATE(LLILF); |
| 691 | EVALUATE(MSGFI); |
| 692 | EVALUATE(MSFI); |
| 693 | EVALUATE(SLGFI); |
| 694 | EVALUATE(SLFI); |
| 695 | EVALUATE(AGFI); |
| 696 | EVALUATE(AFI); |
| 697 | EVALUATE(ALGFI); |
| 698 | EVALUATE(ALFI); |
| 699 | EVALUATE(CGFI); |
| 700 | EVALUATE(CFI); |
| 701 | EVALUATE(CLGFI); |
| 702 | EVALUATE(CLFI); |
| 703 | EVALUATE(LLHRL); |
| 704 | EVALUATE(LGHRL); |
| 705 | EVALUATE(LHRL); |
| 706 | EVALUATE(LLGHRL); |
| 707 | EVALUATE(STHRL); |
| 708 | EVALUATE(LGRL); |
| 709 | EVALUATE(STGRL); |
| 710 | EVALUATE(LGFRL); |
| 711 | EVALUATE(LRL); |
| 712 | EVALUATE(LLGFRL); |
| 713 | EVALUATE(STRL); |
| 714 | EVALUATE(EXRL); |
| 715 | EVALUATE(PFDRL); |
| 716 | EVALUATE(CGHRL); |
| 717 | EVALUATE(CHRL); |
| 718 | EVALUATE(CGRL); |
| 719 | EVALUATE(CGFRL); |
| 720 | EVALUATE(ECTG); |
| 721 | EVALUATE(CSST); |
| 722 | EVALUATE(LPD); |
| 723 | EVALUATE(LPDG); |
| 724 | EVALUATE(BRCTH); |
| 725 | EVALUATE(AIH); |
| 726 | EVALUATE(ALSIH); |
| 727 | EVALUATE(ALSIHN); |
| 728 | EVALUATE(CIH); |
| 729 | EVALUATE(STCK); |
| 730 | EVALUATE(CFC); |
| 731 | EVALUATE(IPM); |
| 732 | EVALUATE(HSCH); |
| 733 | EVALUATE(MSCH); |
| 734 | EVALUATE(SSCH); |
| 735 | EVALUATE(STSCH); |
| 736 | EVALUATE(TSCH); |
| 737 | EVALUATE(TPI); |
| 738 | EVALUATE(SAL); |
| 739 | EVALUATE(RSCH); |
| 740 | EVALUATE(STCRW); |
| 741 | EVALUATE(STCPS); |
| 742 | EVALUATE(RCHP); |
| 743 | EVALUATE(SCHM); |
| 744 | EVALUATE(CKSM); |
| 745 | EVALUATE(SAR); |
| 746 | EVALUATE(EAR); |
| 747 | EVALUATE(MSR); |
| 748 | EVALUATE(MVST); |
| 749 | EVALUATE(CUSE); |
| 750 | EVALUATE(SRST); |
| 751 | EVALUATE(XSCH); |
| 752 | EVALUATE(STCKE); |
| 753 | EVALUATE(STCKF); |
| 754 | EVALUATE(SRNM); |
| 755 | EVALUATE(STFPC); |
| 756 | EVALUATE(LFPC); |
| 757 | EVALUATE(TRE); |
| 758 | EVALUATE(CUUTF); |
| 759 | EVALUATE(CUTFU); |
| 760 | EVALUATE(STFLE); |
| 761 | EVALUATE(SRNMB); |
| 762 | EVALUATE(SRNMT); |
| 763 | EVALUATE(LFAS); |
| 764 | EVALUATE(PPA); |
| 765 | EVALUATE(ETND); |
| 766 | EVALUATE(TEND); |
| 767 | EVALUATE(NIAI); |
| 768 | EVALUATE(TABORT); |
| 769 | EVALUATE(TRAP4); |
| 770 | EVALUATE(LPEBR); |
| 771 | EVALUATE(LNEBR); |
| 772 | EVALUATE(LTEBR); |
| 773 | EVALUATE(LCEBR); |
| 774 | EVALUATE(LDEBR); |
| 775 | EVALUATE(LXDBR); |
| 776 | EVALUATE(LXEBR); |
| 777 | EVALUATE(MXDBR); |
| 778 | EVALUATE(KEBR); |
| 779 | EVALUATE(CEBR); |
| 780 | EVALUATE(AEBR); |
| 781 | EVALUATE(SEBR); |
| 782 | EVALUATE(MDEBR); |
| 783 | EVALUATE(DEBR); |
| 784 | EVALUATE(MAEBR); |
| 785 | EVALUATE(MSEBR); |
| 786 | EVALUATE(LPDBR); |
| 787 | EVALUATE(LNDBR); |
| 788 | EVALUATE(LTDBR); |
| 789 | EVALUATE(LCDBR); |
| 790 | EVALUATE(SQEBR); |
| 791 | EVALUATE(SQDBR); |
| 792 | EVALUATE(SQXBR); |
| 793 | EVALUATE(MEEBR); |
| 794 | EVALUATE(KDBR); |
| 795 | EVALUATE(CDBR); |
| 796 | EVALUATE(ADBR); |
| 797 | EVALUATE(SDBR); |
| 798 | EVALUATE(MDBR); |
| 799 | EVALUATE(DDBR); |
| 800 | EVALUATE(MADBR); |
| 801 | EVALUATE(MSDBR); |
| 802 | EVALUATE(LPXBR); |
| 803 | EVALUATE(LNXBR); |
| 804 | EVALUATE(LTXBR); |
| 805 | EVALUATE(LCXBR); |
| 806 | EVALUATE(LEDBRA); |
| 807 | EVALUATE(LDXBRA); |
| 808 | EVALUATE(LEXBRA); |
| 809 | EVALUATE(FIXBRA); |
| 810 | EVALUATE(KXBR); |
| 811 | EVALUATE(CXBR); |
| 812 | EVALUATE(AXBR); |
| 813 | EVALUATE(SXBR); |
| 814 | EVALUATE(MXBR); |
| 815 | EVALUATE(DXBR); |
| 816 | EVALUATE(TBEDR); |
| 817 | EVALUATE(TBDR); |
| 818 | EVALUATE(DIEBR); |
| 819 | EVALUATE(FIEBRA); |
| 820 | EVALUATE(THDER); |
| 821 | EVALUATE(THDR); |
| 822 | EVALUATE(DIDBR); |
| 823 | EVALUATE(FIDBRA); |
| 824 | EVALUATE(LXR); |
| 825 | EVALUATE(LPDFR); |
| 826 | EVALUATE(LNDFR); |
| 827 | EVALUATE(LCDFR); |
| 828 | EVALUATE(LZER); |
| 829 | EVALUATE(LZDR); |
| 830 | EVALUATE(LZXR); |
| 831 | EVALUATE(SFPC); |
| 832 | EVALUATE(SFASR); |
| 833 | EVALUATE(EFPC); |
| 834 | EVALUATE(CELFBR); |
| 835 | EVALUATE(CDLFBR); |
| 836 | EVALUATE(CXLFBR); |
| 837 | EVALUATE(CEFBRA); |
| 838 | EVALUATE(CDFBRA); |
| 839 | EVALUATE(CXFBRA); |
| 840 | EVALUATE(CFEBRA); |
| 841 | EVALUATE(CFDBRA); |
| 842 | EVALUATE(CFXBRA); |
| 843 | EVALUATE(CLFEBR); |
| 844 | EVALUATE(CLFDBR); |
| 845 | EVALUATE(CLFXBR); |
| 846 | EVALUATE(CELGBR); |
| 847 | EVALUATE(CDLGBR); |
| 848 | EVALUATE(CXLGBR); |
| 849 | EVALUATE(CEGBRA); |
| 850 | EVALUATE(CDGBRA); |
| 851 | EVALUATE(CXGBRA); |
| 852 | EVALUATE(CGEBRA); |
| 853 | EVALUATE(CGDBRA); |
| 854 | EVALUATE(CGXBRA); |
| 855 | EVALUATE(CLGEBR); |
| 856 | EVALUATE(CLGDBR); |
| 857 | EVALUATE(CFER); |
| 858 | EVALUATE(CFDR); |
| 859 | EVALUATE(CFXR); |
| 860 | EVALUATE(LDGR); |
| 861 | EVALUATE(CGER); |
| 862 | EVALUATE(CGDR); |
| 863 | EVALUATE(CGXR); |
| 864 | EVALUATE(LGDR); |
| 865 | EVALUATE(MDTR); |
| 866 | EVALUATE(MDTRA); |
| 867 | EVALUATE(DDTRA); |
| 868 | EVALUATE(ADTRA); |
| 869 | EVALUATE(SDTRA); |
| 870 | EVALUATE(LDETR); |
| 871 | EVALUATE(LEDTR); |
| 872 | EVALUATE(LTDTR); |
| 873 | EVALUATE(FIDTR); |
| 874 | EVALUATE(MXTRA); |
| 875 | EVALUATE(DXTRA); |
| 876 | EVALUATE(AXTRA); |
| 877 | EVALUATE(SXTRA); |
| 878 | EVALUATE(LXDTR); |
| 879 | EVALUATE(LDXTR); |
| 880 | EVALUATE(LTXTR); |
| 881 | EVALUATE(FIXTR); |
| 882 | EVALUATE(KDTR); |
| 883 | EVALUATE(CGDTRA); |
| 884 | EVALUATE(CUDTR); |
| 885 | EVALUATE(CDTR); |
| 886 | EVALUATE(EEDTR); |
| 887 | EVALUATE(ESDTR); |
| 888 | EVALUATE(KXTR); |
| 889 | EVALUATE(CGXTRA); |
| 890 | EVALUATE(CUXTR); |
| 891 | EVALUATE(CSXTR); |
| 892 | EVALUATE(CXTR); |
| 893 | EVALUATE(EEXTR); |
| 894 | EVALUATE(ESXTR); |
| 895 | EVALUATE(CDGTRA); |
| 896 | EVALUATE(CDUTR); |
| 897 | EVALUATE(CDSTR); |
| 898 | EVALUATE(CEDTR); |
| 899 | EVALUATE(QADTR); |
| 900 | EVALUATE(IEDTR); |
| 901 | EVALUATE(RRDTR); |
| 902 | EVALUATE(CXGTRA); |
| 903 | EVALUATE(CXUTR); |
| 904 | EVALUATE(CXSTR); |
| 905 | EVALUATE(CEXTR); |
| 906 | EVALUATE(QAXTR); |
| 907 | EVALUATE(IEXTR); |
| 908 | EVALUATE(RRXTR); |
| 909 | EVALUATE(LPGR); |
| 910 | EVALUATE(LNGR); |
| 911 | EVALUATE(LTGR); |
| 912 | EVALUATE(LCGR); |
| 913 | EVALUATE(LGR); |
| 914 | EVALUATE(LGBR); |
| 915 | EVALUATE(LGHR); |
| 916 | EVALUATE(AGR); |
| 917 | EVALUATE(SGR); |
| 918 | EVALUATE(ALGR); |
| 919 | EVALUATE(SLGR); |
| 920 | EVALUATE(MSGR); |
| 921 | EVALUATE(DSGR); |
| 922 | EVALUATE(LRVGR); |
| 923 | EVALUATE(LPGFR); |
| 924 | EVALUATE(LNGFR); |
| 925 | EVALUATE(LTGFR); |
| 926 | EVALUATE(LCGFR); |
| 927 | EVALUATE(LGFR); |
| 928 | EVALUATE(LLGFR); |
| 929 | EVALUATE(LLGTR); |
| 930 | EVALUATE(AGFR); |
| 931 | EVALUATE(SGFR); |
| 932 | EVALUATE(ALGFR); |
| 933 | EVALUATE(SLGFR); |
| 934 | EVALUATE(MSGFR); |
| 935 | EVALUATE(DSGFR); |
| 936 | EVALUATE(KMAC); |
| 937 | EVALUATE(LRVR); |
| 938 | EVALUATE(CGR); |
| 939 | EVALUATE(CLGR); |
| 940 | EVALUATE(LBR); |
| 941 | EVALUATE(LHR); |
| 942 | EVALUATE(KMF); |
| 943 | EVALUATE(KMO); |
| 944 | EVALUATE(PCC); |
| 945 | EVALUATE(KMCTR); |
| 946 | EVALUATE(KM); |
| 947 | EVALUATE(KMC); |
| 948 | EVALUATE(CGFR); |
| 949 | EVALUATE(KIMD); |
| 950 | EVALUATE(KLMD); |
| 951 | EVALUATE(CFDTR); |
| 952 | EVALUATE(CLGDTR); |
| 953 | EVALUATE(CLFDTR); |
| 954 | EVALUATE(BCTGR); |
| 955 | EVALUATE(CFXTR); |
| 956 | EVALUATE(CLFXTR); |
| 957 | EVALUATE(CDFTR); |
| 958 | EVALUATE(CDLGTR); |
| 959 | EVALUATE(CDLFTR); |
| 960 | EVALUATE(CXFTR); |
| 961 | EVALUATE(CXLGTR); |
| 962 | EVALUATE(CXLFTR); |
| 963 | EVALUATE(CGRT); |
| 964 | EVALUATE(NGR); |
| 965 | EVALUATE(OGR); |
| 966 | EVALUATE(XGR); |
| 967 | EVALUATE(FLOGR); |
| 968 | EVALUATE(LLGCR); |
| 969 | EVALUATE(LLGHR); |
| 970 | EVALUATE(MLGR); |
| 971 | EVALUATE(DLGR); |
| 972 | EVALUATE(ALCGR); |
| 973 | EVALUATE(SLBGR); |
| 974 | EVALUATE(EPSW); |
| 975 | EVALUATE(TRTT); |
| 976 | EVALUATE(TRTO); |
| 977 | EVALUATE(TROT); |
| 978 | EVALUATE(TROO); |
| 979 | EVALUATE(LLCR); |
| 980 | EVALUATE(LLHR); |
| 981 | EVALUATE(MLR); |
| 982 | EVALUATE(DLR); |
| 983 | EVALUATE(ALCR); |
| 984 | EVALUATE(SLBR); |
| 985 | EVALUATE(CU14); |
| 986 | EVALUATE(CU24); |
| 987 | EVALUATE(CU41); |
| 988 | EVALUATE(CU42); |
| 989 | EVALUATE(TRTRE); |
| 990 | EVALUATE(SRSTU); |
| 991 | EVALUATE(TRTE); |
| 992 | EVALUATE(AHHHR); |
| 993 | EVALUATE(SHHHR); |
| 994 | EVALUATE(ALHHHR); |
| 995 | EVALUATE(SLHHHR); |
| 996 | EVALUATE(CHHR); |
| 997 | EVALUATE(AHHLR); |
| 998 | EVALUATE(SHHLR); |
| 999 | EVALUATE(ALHHLR); |
| 1000 | EVALUATE(SLHHLR); |
| 1001 | EVALUATE(CHLR); |
| 1002 | EVALUATE(POPCNT_Z); |
| 1003 | EVALUATE(LOCGR); |
| 1004 | EVALUATE(NGRK); |
| 1005 | EVALUATE(OGRK); |
| 1006 | EVALUATE(XGRK); |
| 1007 | EVALUATE(AGRK); |
| 1008 | EVALUATE(SGRK); |
| 1009 | EVALUATE(ALGRK); |
| 1010 | EVALUATE(SLGRK); |
| 1011 | EVALUATE(LOCR); |
| 1012 | EVALUATE(NRK); |
| 1013 | EVALUATE(ORK); |
| 1014 | EVALUATE(XRK); |
| 1015 | EVALUATE(ARK); |
| 1016 | EVALUATE(SRK); |
| 1017 | EVALUATE(ALRK); |
| 1018 | EVALUATE(SLRK); |
| 1019 | EVALUATE(LTG); |
| 1020 | EVALUATE(LG); |
| 1021 | EVALUATE(CVBY); |
| 1022 | EVALUATE(AG); |
| 1023 | EVALUATE(SG); |
| 1024 | EVALUATE(ALG); |
| 1025 | EVALUATE(SLG); |
| 1026 | EVALUATE(MSG); |
| 1027 | EVALUATE(DSG); |
| 1028 | EVALUATE(CVBG); |
| 1029 | EVALUATE(LRVG); |
| 1030 | EVALUATE(LT); |
| 1031 | EVALUATE(LGF); |
| 1032 | EVALUATE(LGH); |
| 1033 | EVALUATE(LLGF); |
| 1034 | EVALUATE(LLGT); |
| 1035 | EVALUATE(AGF); |
| 1036 | EVALUATE(SGF); |
| 1037 | EVALUATE(ALGF); |
| 1038 | EVALUATE(SLGF); |
| 1039 | EVALUATE(MSGF); |
| 1040 | EVALUATE(DSGF); |
| 1041 | EVALUATE(LRV); |
| 1042 | EVALUATE(LRVH); |
| 1043 | EVALUATE(CG); |
| 1044 | EVALUATE(CLG); |
| 1045 | EVALUATE(STG); |
| 1046 | EVALUATE(NTSTG); |
| 1047 | EVALUATE(CVDY); |
| 1048 | EVALUATE(CVDG); |
| 1049 | EVALUATE(STRVG); |
| 1050 | EVALUATE(CGF); |
| 1051 | EVALUATE(CLGF); |
| 1052 | EVALUATE(LTGF); |
| 1053 | EVALUATE(CGH); |
| 1054 | EVALUATE(PFD); |
| 1055 | EVALUATE(STRV); |
| 1056 | EVALUATE(STRVH); |
| 1057 | EVALUATE(BCTG); |
| 1058 | EVALUATE(STY); |
| 1059 | EVALUATE(MSY); |
| 1060 | EVALUATE(NY); |
| 1061 | EVALUATE(CLY); |
| 1062 | EVALUATE(OY); |
| 1063 | EVALUATE(XY); |
| 1064 | EVALUATE(LY); |
| 1065 | EVALUATE(CY); |
| 1066 | EVALUATE(AY); |
| 1067 | EVALUATE(SY); |
| 1068 | EVALUATE(MFY); |
| 1069 | EVALUATE(ALY); |
| 1070 | EVALUATE(SLY); |
| 1071 | EVALUATE(STHY); |
| 1072 | EVALUATE(LAY); |
| 1073 | EVALUATE(STCY); |
| 1074 | EVALUATE(ICY); |
| 1075 | EVALUATE(LAEY); |
| 1076 | EVALUATE(LB); |
| 1077 | EVALUATE(LGB); |
| 1078 | EVALUATE(LHY); |
| 1079 | EVALUATE(CHY); |
| 1080 | EVALUATE(AHY); |
| 1081 | EVALUATE(SHY); |
| 1082 | EVALUATE(MHY); |
| 1083 | EVALUATE(NG); |
| 1084 | EVALUATE(OG); |
| 1085 | EVALUATE(XG); |
| 1086 | EVALUATE(LGAT); |
| 1087 | EVALUATE(MLG); |
| 1088 | EVALUATE(DLG); |
| 1089 | EVALUATE(ALCG); |
| 1090 | EVALUATE(SLBG); |
| 1091 | EVALUATE(STPQ); |
| 1092 | EVALUATE(LPQ); |
| 1093 | EVALUATE(LLGC); |
| 1094 | EVALUATE(LLGH); |
| 1095 | EVALUATE(LLC); |
| 1096 | EVALUATE(LLH); |
| 1097 | EVALUATE(ML); |
| 1098 | EVALUATE(DL); |
| 1099 | EVALUATE(ALC); |
| 1100 | EVALUATE(SLB); |
| 1101 | EVALUATE(LLGTAT); |
| 1102 | EVALUATE(LLGFAT); |
| 1103 | EVALUATE(LAT); |
| 1104 | EVALUATE(LBH); |
| 1105 | EVALUATE(LLCH); |
| 1106 | EVALUATE(STCH); |
| 1107 | EVALUATE(LHH); |
| 1108 | EVALUATE(LLHH); |
| 1109 | EVALUATE(STHH); |
| 1110 | EVALUATE(LFHAT); |
| 1111 | EVALUATE(LFH); |
| 1112 | EVALUATE(STFH); |
| 1113 | EVALUATE(CHF); |
| 1114 | EVALUATE(MVCDK); |
| 1115 | EVALUATE(MVHHI); |
| 1116 | EVALUATE(MVGHI); |
| 1117 | EVALUATE(MVHI); |
| 1118 | EVALUATE(CHHSI); |
| 1119 | EVALUATE(CGHSI); |
| 1120 | EVALUATE(CHSI); |
| 1121 | EVALUATE(CLFHSI); |
| 1122 | EVALUATE(TBEGIN); |
| 1123 | EVALUATE(TBEGINC); |
| 1124 | EVALUATE(LMG); |
| 1125 | EVALUATE(SRAG); |
| 1126 | EVALUATE(SLAG); |
| 1127 | EVALUATE(SRLG); |
| 1128 | EVALUATE(SLLG); |
| 1129 | EVALUATE(CSY); |
| 1130 | EVALUATE(RLLG); |
| 1131 | EVALUATE(RLL); |
| 1132 | EVALUATE(STMG); |
| 1133 | EVALUATE(STMH); |
| 1134 | EVALUATE(STCMH); |
| 1135 | EVALUATE(STCMY); |
| 1136 | EVALUATE(CDSY); |
| 1137 | EVALUATE(CDSG); |
| 1138 | EVALUATE(BXHG); |
| 1139 | EVALUATE(BXLEG); |
| 1140 | EVALUATE(ECAG); |
| 1141 | EVALUATE(TMY); |
| 1142 | EVALUATE(MVIY); |
| 1143 | EVALUATE(NIY); |
| 1144 | EVALUATE(CLIY); |
| 1145 | EVALUATE(OIY); |
| 1146 | EVALUATE(XIY); |
| 1147 | EVALUATE(ASI); |
| 1148 | EVALUATE(ALSI); |
| 1149 | EVALUATE(AGSI); |
| 1150 | EVALUATE(ALGSI); |
| 1151 | EVALUATE(ICMH); |
| 1152 | EVALUATE(ICMY); |
| 1153 | EVALUATE(MVCLU); |
| 1154 | EVALUATE(CLCLU); |
| 1155 | EVALUATE(STMY); |
| 1156 | EVALUATE(LMH); |
| 1157 | EVALUATE(LMY); |
| 1158 | EVALUATE(TP); |
| 1159 | EVALUATE(SRAK); |
| 1160 | EVALUATE(SLAK); |
| 1161 | EVALUATE(SRLK); |
| 1162 | EVALUATE(SLLK); |
| 1163 | EVALUATE(LOCG); |
| 1164 | EVALUATE(STOCG); |
| 1165 | EVALUATE(LANG); |
| 1166 | EVALUATE(LAOG); |
| 1167 | EVALUATE(LAXG); |
| 1168 | EVALUATE(LAAG); |
| 1169 | EVALUATE(LAALG); |
| 1170 | EVALUATE(LOC); |
| 1171 | EVALUATE(STOC); |
| 1172 | EVALUATE(LAN); |
| 1173 | EVALUATE(LAO); |
| 1174 | EVALUATE(LAX); |
| 1175 | EVALUATE(LAA); |
| 1176 | EVALUATE(LAAL); |
| 1177 | EVALUATE(BRXHG); |
| 1178 | EVALUATE(BRXLG); |
| 1179 | EVALUATE(RISBLG); |
| 1180 | EVALUATE(RNSBG); |
| 1181 | EVALUATE(RISBG); |
| 1182 | EVALUATE(ROSBG); |
| 1183 | EVALUATE(RXSBG); |
| 1184 | EVALUATE(RISBGN); |
| 1185 | EVALUATE(RISBHG); |
| 1186 | EVALUATE(CGRJ); |
| 1187 | EVALUATE(CGIT); |
| 1188 | EVALUATE(CIT); |
| 1189 | EVALUATE(CLFIT); |
| 1190 | EVALUATE(CGIJ); |
| 1191 | EVALUATE(CIJ); |
| 1192 | EVALUATE(AHIK); |
| 1193 | EVALUATE(AGHIK); |
| 1194 | EVALUATE(ALHSIK); |
| 1195 | EVALUATE(ALGHSIK); |
| 1196 | EVALUATE(CGRB); |
| 1197 | EVALUATE(CGIB); |
| 1198 | EVALUATE(CIB); |
| 1199 | EVALUATE(LDEB); |
| 1200 | EVALUATE(LXDB); |
| 1201 | EVALUATE(LXEB); |
| 1202 | EVALUATE(MXDB); |
| 1203 | EVALUATE(KEB); |
| 1204 | EVALUATE(CEB); |
| 1205 | EVALUATE(AEB); |
| 1206 | EVALUATE(SEB); |
| 1207 | EVALUATE(MDEB); |
| 1208 | EVALUATE(DEB); |
| 1209 | EVALUATE(MAEB); |
| 1210 | EVALUATE(MSEB); |
| 1211 | EVALUATE(TCEB); |
| 1212 | EVALUATE(TCDB); |
| 1213 | EVALUATE(TCXB); |
| 1214 | EVALUATE(SQEB); |
| 1215 | EVALUATE(SQDB); |
| 1216 | EVALUATE(MEEB); |
| 1217 | EVALUATE(KDB); |
| 1218 | EVALUATE(CDB); |
| 1219 | EVALUATE(ADB); |
| 1220 | EVALUATE(SDB); |
| 1221 | EVALUATE(MDB); |
| 1222 | EVALUATE(DDB); |
| 1223 | EVALUATE(MADB); |
| 1224 | EVALUATE(MSDB); |
| 1225 | EVALUATE(SLDT); |
| 1226 | EVALUATE(SRDT); |
| 1227 | EVALUATE(SLXT); |
| 1228 | EVALUATE(SRXT); |
| 1229 | EVALUATE(TDCET); |
| 1230 | EVALUATE(TDGET); |
| 1231 | EVALUATE(TDCDT); |
| 1232 | EVALUATE(TDGDT); |
| 1233 | EVALUATE(TDCXT); |
| 1234 | EVALUATE(TDGXT); |
| 1235 | EVALUATE(LEY); |
| 1236 | EVALUATE(LDY); |
| 1237 | EVALUATE(STEY); |
| 1238 | EVALUATE(STDY); |
| 1239 | EVALUATE(CZDT); |
| 1240 | EVALUATE(CZXT); |
| 1241 | EVALUATE(CDZT); |
| 1242 | EVALUATE(CXZT); |
| 1243 | #undef EVALUATE |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1244 | }; |
| 1245 | |
| 1246 | // When running with the simulator transition into simulated execution at this |
| 1247 | // point. |
| 1248 | #define CALL_GENERATED_CODE(isolate, entry, p0, p1, p2, p3, p4) \ |
| 1249 | reinterpret_cast<Object*>(Simulator::current(isolate)->Call( \ |
| 1250 | FUNCTION_ADDR(entry), 5, (intptr_t)p0, (intptr_t)p1, (intptr_t)p2, \ |
| 1251 | (intptr_t)p3, (intptr_t)p4)) |
| 1252 | |
| 1253 | #define CALL_GENERATED_REGEXP_CODE(isolate, entry, p0, p1, p2, p3, p4, p5, p6, \ |
| 1254 | p7, p8) \ |
| 1255 | Simulator::current(isolate)->Call(entry, 10, (intptr_t)p0, (intptr_t)p1, \ |
| 1256 | (intptr_t)p2, (intptr_t)p3, (intptr_t)p4, \ |
| 1257 | (intptr_t)p5, (intptr_t)p6, (intptr_t)p7, \ |
| 1258 | (intptr_t)NULL, (intptr_t)p8) |
| 1259 | |
| 1260 | // The simulator has its own stack. Thus it has a different stack limit from |
| 1261 | // the C-based native code. The JS-based limit normally points near the end of |
| 1262 | // the simulator stack. When the C-based limit is exhausted we reflect that by |
| 1263 | // lowering the JS-based limit as well, to make stack checks trigger. |
| 1264 | class SimulatorStack : public v8::internal::AllStatic { |
| 1265 | public: |
| 1266 | static inline uintptr_t JsLimitFromCLimit(v8::internal::Isolate* isolate, |
| 1267 | uintptr_t c_limit) { |
| 1268 | return Simulator::current(isolate)->StackLimit(c_limit); |
| 1269 | } |
| 1270 | |
| 1271 | static inline uintptr_t RegisterCTryCatch(v8::internal::Isolate* isolate, |
| 1272 | uintptr_t try_catch_address) { |
| 1273 | Simulator* sim = Simulator::current(isolate); |
| 1274 | return sim->PushAddress(try_catch_address); |
| 1275 | } |
| 1276 | |
| 1277 | static inline void UnregisterCTryCatch(v8::internal::Isolate* isolate) { |
| 1278 | Simulator::current(isolate)->PopAddress(); |
| 1279 | } |
| 1280 | }; |
| 1281 | |
| 1282 | } // namespace internal |
| 1283 | } // namespace v8 |
| 1284 | |
| 1285 | #endif // !defined(USE_SIMULATOR) |
| 1286 | #endif // V8_S390_SIMULATOR_S390_H_ |