Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame^] | 1 | //===-- CommandObjectMemory.cpp ---------------------------------*- C++ -*-===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | #include "CommandObjectMemory.h" |
| 11 | |
| 12 | // C Includes |
| 13 | // C++ Includes |
| 14 | // Other libraries and framework includes |
| 15 | // Project includes |
| 16 | #include "lldb/Core/Args.h" |
| 17 | #include "lldb/Core/DataBufferHeap.h" |
| 18 | #include "lldb/Core/DataExtractor.h" |
| 19 | #include "lldb/Core/Options.h" |
| 20 | #include "lldb/Core/StreamString.h" |
| 21 | #include "lldb/Interpreter/CommandReturnObject.h" |
| 22 | #include "lldb/Interpreter/CommandContext.h" |
| 23 | #include "lldb/Target/Process.h" |
| 24 | |
| 25 | using namespace lldb; |
| 26 | using namespace lldb_private; |
| 27 | |
| 28 | //---------------------------------------------------------------------- |
| 29 | // Read memory from the inferior process |
| 30 | //---------------------------------------------------------------------- |
| 31 | class CommandObjectMemoryRead : public CommandObject |
| 32 | { |
| 33 | public: |
| 34 | |
| 35 | class CommandOptions : public Options |
| 36 | { |
| 37 | public: |
| 38 | CommandOptions () : |
| 39 | Options() |
| 40 | { |
| 41 | ResetOptionValues(); |
| 42 | } |
| 43 | |
| 44 | virtual |
| 45 | ~CommandOptions () |
| 46 | { |
| 47 | } |
| 48 | |
| 49 | virtual Error |
| 50 | SetOptionValue (int option_idx, const char *option_arg) |
| 51 | { |
| 52 | Error error; |
| 53 | char short_option = (char) m_getopt_table[option_idx].val; |
| 54 | |
| 55 | switch (short_option) |
| 56 | { |
| 57 | case 'f': |
| 58 | error = Args::StringToFormat (option_arg, m_format); |
| 59 | |
| 60 | switch (m_format) |
| 61 | { |
| 62 | default: |
| 63 | break; |
| 64 | |
| 65 | case eFormatBoolean: |
| 66 | if (m_byte_size == 0) |
| 67 | m_byte_size = 1; |
| 68 | if (m_num_per_line == 0) |
| 69 | m_num_per_line = 1; |
| 70 | break; |
| 71 | |
| 72 | case eFormatCString: |
| 73 | if (m_num_per_line == 0) |
| 74 | m_num_per_line = 1; |
| 75 | break; |
| 76 | |
| 77 | case eFormatPointer: |
| 78 | break; |
| 79 | |
| 80 | case eFormatBinary: |
| 81 | case eFormatFloat: |
| 82 | case eFormatOctal: |
| 83 | case eFormatDecimal: |
| 84 | case eFormatEnum: |
| 85 | case eFormatUnicode16: |
| 86 | case eFormatUnicode32: |
| 87 | case eFormatUnsigned: |
| 88 | if (m_byte_size == 0) |
| 89 | m_byte_size = 4; |
| 90 | if (m_num_per_line == 0) |
| 91 | m_num_per_line = 1; |
| 92 | break; |
| 93 | |
| 94 | case eFormatBytes: |
| 95 | case eFormatBytesWithASCII: |
| 96 | case eFormatChar: |
| 97 | case eFormatCharPrintable: |
| 98 | if (m_byte_size == 0) |
| 99 | m_byte_size = 1; |
| 100 | break; |
| 101 | case eFormatComplex: |
| 102 | if (m_byte_size == 0) |
| 103 | m_byte_size = 8; |
| 104 | break; |
| 105 | case eFormatHex: |
| 106 | if (m_byte_size == 0) |
| 107 | m_byte_size = 4; |
| 108 | break; |
| 109 | |
| 110 | case eFormatVectorOfChar: |
| 111 | case eFormatVectorOfSInt8: |
| 112 | case eFormatVectorOfUInt8: |
| 113 | case eFormatVectorOfSInt16: |
| 114 | case eFormatVectorOfUInt16: |
| 115 | case eFormatVectorOfSInt32: |
| 116 | case eFormatVectorOfUInt32: |
| 117 | case eFormatVectorOfSInt64: |
| 118 | case eFormatVectorOfUInt64: |
| 119 | case eFormatVectorOfFloat32: |
| 120 | case eFormatVectorOfFloat64: |
| 121 | case eFormatVectorOfUInt128: |
| 122 | break; |
| 123 | } |
| 124 | break; |
| 125 | |
| 126 | case 'l': |
| 127 | m_num_per_line = Args::StringToUInt32 (option_arg, 0); |
| 128 | if (m_num_per_line == 0) |
| 129 | error.SetErrorStringWithFormat("Invalid value for --num-per-line option '%s'. Must be positive integer value.\n", option_arg); |
| 130 | break; |
| 131 | |
| 132 | case 'c': |
| 133 | m_count = Args::StringToUInt32 (option_arg, 0); |
| 134 | if (m_count == 0) |
| 135 | error.SetErrorStringWithFormat("Invalid value for --count option '%s'. Must be positive integer value.\n", option_arg); |
| 136 | break; |
| 137 | |
| 138 | case 's': |
| 139 | m_byte_size = Args::StringToUInt32 (option_arg, 0); |
| 140 | if (m_byte_size == 0) |
| 141 | error.SetErrorStringWithFormat("Invalid value for --size option '%s'. Must be positive integer value.\n", option_arg); |
| 142 | break; |
| 143 | |
| 144 | default: |
| 145 | error.SetErrorStringWithFormat("Unrecognized short option '%c'.\n", short_option); |
| 146 | break; |
| 147 | } |
| 148 | return error; |
| 149 | } |
| 150 | |
| 151 | void |
| 152 | ResetOptionValues () |
| 153 | { |
| 154 | Options::ResetOptionValues(); |
| 155 | m_format = eFormatBytesWithASCII; |
| 156 | m_byte_size = 0; |
| 157 | m_count = 0; |
| 158 | m_num_per_line = 0; |
| 159 | } |
| 160 | |
| 161 | const lldb::OptionDefinition* |
| 162 | GetDefinitions () |
| 163 | { |
| 164 | return g_option_table; |
| 165 | } |
| 166 | |
| 167 | // Options table: Required for subclasses of Options. |
| 168 | |
| 169 | static lldb::OptionDefinition g_option_table[]; |
| 170 | |
| 171 | // Instance variables to hold the values for command options. |
| 172 | lldb::Format m_format; |
| 173 | uint32_t m_byte_size; |
| 174 | uint32_t m_count; |
| 175 | uint32_t m_num_per_line; |
| 176 | }; |
| 177 | |
| 178 | CommandObjectMemoryRead () : |
| 179 | CommandObject ("memory read", |
| 180 | "Read memory from the process being debugged.", |
| 181 | "memory read [<cmd-options>] <start-addr> [<end-addr>]", |
| 182 | eFlagProcessMustBeLaunched) |
| 183 | { |
| 184 | } |
| 185 | |
| 186 | virtual |
| 187 | ~CommandObjectMemoryRead () |
| 188 | { |
| 189 | } |
| 190 | |
| 191 | Options * |
| 192 | GetOptions () |
| 193 | { |
| 194 | return &m_options; |
| 195 | } |
| 196 | |
| 197 | virtual bool |
| 198 | Execute (Args& command, |
| 199 | CommandContext *context, |
| 200 | CommandInterpreter *interpreter, |
| 201 | CommandReturnObject &result) |
| 202 | { |
| 203 | Process *process = context->GetExecutionContext().process; |
| 204 | if (process == NULL) |
| 205 | { |
| 206 | result.AppendError("need a process to read memory"); |
| 207 | result.SetStatus(eReturnStatusFailed); |
| 208 | return false; |
| 209 | } |
| 210 | const size_t argc = command.GetArgumentCount(); |
| 211 | |
| 212 | if (argc == 0 || argc > 2) |
| 213 | { |
| 214 | result.AppendErrorWithFormat ("%s takes 1 or two args.\n", m_cmd_name.c_str()); |
| 215 | result.SetStatus(eReturnStatusFailed); |
| 216 | return false; |
| 217 | } |
| 218 | |
| 219 | size_t item_byte_size = m_options.m_byte_size; |
| 220 | if (item_byte_size == 0) |
| 221 | { |
| 222 | if (m_options.m_format == eFormatPointer) |
| 223 | item_byte_size = process->GetAddressByteSize(); |
| 224 | else |
| 225 | item_byte_size = 1; |
| 226 | } |
| 227 | |
| 228 | size_t item_count = m_options.m_count; |
| 229 | |
| 230 | size_t num_per_line = m_options.m_num_per_line; |
| 231 | if (num_per_line == 0) |
| 232 | { |
| 233 | num_per_line = (16/item_byte_size); |
| 234 | if (num_per_line == 0) |
| 235 | num_per_line = 1; |
| 236 | } |
| 237 | |
| 238 | size_t total_byte_size = m_options.m_count * item_byte_size; |
| 239 | if (total_byte_size == 0) |
| 240 | total_byte_size = 32; |
| 241 | |
| 242 | lldb::addr_t addr = Args::StringToUInt64(command.GetArgumentAtIndex(0), LLDB_INVALID_ADDRESS, 0); |
| 243 | |
| 244 | if (addr == LLDB_INVALID_ADDRESS) |
| 245 | { |
| 246 | result.AppendErrorWithFormat("invalid start address string '%s'.\n", command.GetArgumentAtIndex(0)); |
| 247 | result.SetStatus(eReturnStatusFailed); |
| 248 | return false; |
| 249 | } |
| 250 | |
| 251 | if (argc == 2) |
| 252 | { |
| 253 | lldb::addr_t end_addr = Args::StringToUInt64(command.GetArgumentAtIndex(1), LLDB_INVALID_ADDRESS, 0); |
| 254 | if (end_addr == LLDB_INVALID_ADDRESS) |
| 255 | { |
| 256 | result.AppendErrorWithFormat("Invalid end address string '%s'.\n", command.GetArgumentAtIndex(1)); |
| 257 | result.SetStatus(eReturnStatusFailed); |
| 258 | return false; |
| 259 | } |
| 260 | else if (end_addr <= addr) |
| 261 | { |
| 262 | result.AppendErrorWithFormat("End address (0x%llx) must be greater that the start address (0x%llx).\n", end_addr, addr); |
| 263 | result.SetStatus(eReturnStatusFailed); |
| 264 | return false; |
| 265 | } |
| 266 | else if (item_count != 0) |
| 267 | { |
| 268 | result.AppendErrorWithFormat("Specify either the end address (0x%llx) or the count (--count %u), not both.\n", end_addr, item_count); |
| 269 | result.SetStatus(eReturnStatusFailed); |
| 270 | return false; |
| 271 | } |
| 272 | |
| 273 | total_byte_size = end_addr - addr; |
| 274 | item_count = total_byte_size / item_byte_size; |
| 275 | } |
| 276 | else |
| 277 | { |
| 278 | if (item_count == 0) |
| 279 | item_count = 32; |
| 280 | } |
| 281 | |
| 282 | DataBufferSP data_sp(new DataBufferHeap (total_byte_size, '\0')); |
| 283 | Error error; |
| 284 | size_t bytes_read = process->ReadMemory(addr, data_sp->GetBytes (), data_sp->GetByteSize(), error); |
| 285 | if (bytes_read == 0) |
| 286 | { |
| 287 | result.AppendWarningWithFormat("Read from 0x%llx failed.\n", addr); |
| 288 | result.AppendError(error.AsCString()); |
| 289 | result.SetStatus(eReturnStatusFailed); |
| 290 | return false; |
| 291 | } |
| 292 | |
| 293 | if (bytes_read < total_byte_size) |
| 294 | result.AppendWarningWithFormat("Not all bytes (%u/%u) were able to be read from 0x%llx.\n", bytes_read, total_byte_size, addr); |
| 295 | |
| 296 | result.SetStatus(eReturnStatusSuccessFinishResult); |
| 297 | DataExtractor data(data_sp, process->GetByteOrder(), process->GetAddressByteSize()); |
| 298 | |
| 299 | Stream &output_stream = result.GetOutputStream(); |
| 300 | data.Dump(&output_stream, |
| 301 | 0, |
| 302 | m_options.m_format, |
| 303 | item_byte_size, |
| 304 | item_count, |
| 305 | num_per_line, |
| 306 | addr, |
| 307 | 0, |
| 308 | 0); |
| 309 | output_stream.EOL(); |
| 310 | return true; |
| 311 | } |
| 312 | |
| 313 | protected: |
| 314 | CommandOptions m_options; |
| 315 | }; |
| 316 | |
| 317 | lldb::OptionDefinition |
| 318 | CommandObjectMemoryRead::CommandOptions::g_option_table[] = |
| 319 | { |
| 320 | { 0, false, "format", 'f', required_argument, NULL, 0, "<format>", "The format that will be used to display the memory. Defaults to bytes with ASCII (--format=Y)."}, |
| 321 | { 0, false, "size", 's', required_argument, NULL, 0, "<byte-size>","The size in bytes to use when displaying with the selected format."}, |
| 322 | { 0, false, "num-per-line", 'l', required_argument, NULL, 0, "<N>", "The number of items per line to display."}, |
| 323 | { 0, false, "count", 'c', required_argument, NULL, 0, "<N>", "The number of total items to display."}, |
| 324 | { 0, false, NULL, 0, 0, NULL, 0, NULL, NULL } |
| 325 | }; |
| 326 | |
| 327 | |
| 328 | //---------------------------------------------------------------------- |
| 329 | // Write memory to the inferior process |
| 330 | //---------------------------------------------------------------------- |
| 331 | class CommandObjectMemoryWrite : public CommandObject |
| 332 | { |
| 333 | public: |
| 334 | |
| 335 | class CommandOptions : public Options |
| 336 | { |
| 337 | public: |
| 338 | CommandOptions () : |
| 339 | Options() |
| 340 | { |
| 341 | ResetOptionValues(); |
| 342 | } |
| 343 | |
| 344 | virtual |
| 345 | ~CommandOptions () |
| 346 | { |
| 347 | } |
| 348 | |
| 349 | virtual Error |
| 350 | SetOptionValue (int option_idx, const char *option_arg) |
| 351 | { |
| 352 | Error error; |
| 353 | char short_option = (char) m_getopt_table[option_idx].val; |
| 354 | switch (short_option) |
| 355 | { |
| 356 | case 'f': |
| 357 | error = Args::StringToFormat (option_arg, m_format); |
| 358 | break; |
| 359 | |
| 360 | case 's': |
| 361 | m_byte_size = Args::StringToUInt32 (option_arg, 0); |
| 362 | if (m_byte_size == 0) |
| 363 | error.SetErrorStringWithFormat("Invalid value for --size option '%s'. Must be positive integer value.\n", option_arg); |
| 364 | break; |
| 365 | |
| 366 | |
| 367 | default: |
| 368 | error.SetErrorStringWithFormat("Unrecognized short option '%c'\n", short_option); |
| 369 | break; |
| 370 | } |
| 371 | return error; |
| 372 | } |
| 373 | |
| 374 | void |
| 375 | ResetOptionValues () |
| 376 | { |
| 377 | Options::ResetOptionValues(); |
| 378 | m_format = eFormatBytes; |
| 379 | m_byte_size = 1; |
| 380 | } |
| 381 | |
| 382 | const lldb::OptionDefinition* |
| 383 | GetDefinitions () |
| 384 | { |
| 385 | return g_option_table; |
| 386 | } |
| 387 | |
| 388 | // Options table: Required for subclasses of Options. |
| 389 | |
| 390 | static lldb::OptionDefinition g_option_table[]; |
| 391 | |
| 392 | // Instance variables to hold the values for command options. |
| 393 | lldb::Format m_format; |
| 394 | uint32_t m_byte_size; |
| 395 | }; |
| 396 | |
| 397 | CommandObjectMemoryWrite () : |
| 398 | CommandObject ("memory write", |
| 399 | "Write memory to the process being debugged.", |
| 400 | "memory write [<cmd-options>] <addr> [value1 value2 ...]", |
| 401 | eFlagProcessMustBeLaunched) |
| 402 | { |
| 403 | } |
| 404 | |
| 405 | virtual |
| 406 | ~CommandObjectMemoryWrite () |
| 407 | { |
| 408 | } |
| 409 | |
| 410 | Options * |
| 411 | GetOptions () |
| 412 | { |
| 413 | return &m_options; |
| 414 | } |
| 415 | |
| 416 | bool |
| 417 | UIntValueIsValidForSize (uint64_t uval64, size_t total_byte_size) |
| 418 | { |
| 419 | if (total_byte_size > 8) |
| 420 | return false; |
| 421 | |
| 422 | if (total_byte_size == 8) |
| 423 | return true; |
| 424 | |
| 425 | const uint64_t max = ((uint64_t)1 << (uint64_t)(total_byte_size * 8)) - 1; |
| 426 | return uval64 <= max; |
| 427 | } |
| 428 | |
| 429 | bool |
| 430 | SIntValueIsValidForSize (int64_t sval64, size_t total_byte_size) |
| 431 | { |
| 432 | if (total_byte_size > 8) |
| 433 | return false; |
| 434 | |
| 435 | if (total_byte_size == 8) |
| 436 | return true; |
| 437 | |
| 438 | const int64_t max = ((int64_t)1 << (uint64_t)(total_byte_size * 8 - 1)) - 1; |
| 439 | const int64_t min = ~(max); |
| 440 | return min <= sval64 && sval64 <= max; |
| 441 | } |
| 442 | |
| 443 | virtual bool |
| 444 | Execute (Args& command, |
| 445 | CommandContext *context, |
| 446 | CommandInterpreter *interpreter, |
| 447 | CommandReturnObject &result) |
| 448 | { |
| 449 | Process *process = context->GetExecutionContext().process; |
| 450 | if (process == NULL) |
| 451 | { |
| 452 | result.AppendError("need a process to read memory"); |
| 453 | result.SetStatus(eReturnStatusFailed); |
| 454 | return false; |
| 455 | } |
| 456 | |
| 457 | const size_t argc = command.GetArgumentCount(); |
| 458 | |
| 459 | if (argc < 2) |
| 460 | { |
| 461 | result.AppendErrorWithFormat ("%s takes an address and at least one value.\n", m_cmd_name.c_str()); |
| 462 | result.SetStatus(eReturnStatusFailed); |
| 463 | return false; |
| 464 | } |
| 465 | |
| 466 | size_t item_byte_size = m_options.m_byte_size ? m_options.m_byte_size : 1; |
| 467 | StreamString buffer (Stream::eBinary, |
| 468 | process->GetAddressByteSize(), |
| 469 | process->GetByteOrder()); |
| 470 | |
| 471 | lldb::addr_t addr = Args::StringToUInt64(command.GetArgumentAtIndex(0), LLDB_INVALID_ADDRESS, 0); |
| 472 | |
| 473 | if (addr == LLDB_INVALID_ADDRESS) |
| 474 | { |
| 475 | result.AppendErrorWithFormat("Invalid address string '%s'.\n", command.GetArgumentAtIndex(0)); |
| 476 | result.SetStatus(eReturnStatusFailed); |
| 477 | return false; |
| 478 | } |
| 479 | command.Shift(); // shift off the address argument |
| 480 | uint64_t uval64; |
| 481 | int64_t sval64; |
| 482 | bool success = false; |
| 483 | const uint32_t num_value_args = command.GetArgumentCount(); |
| 484 | uint32_t i; |
| 485 | for (i=0; i<num_value_args; ++i) |
| 486 | { |
| 487 | const char *value_str = command.GetArgumentAtIndex(i); |
| 488 | |
| 489 | switch (m_options.m_format) |
| 490 | { |
| 491 | case eFormatFloat: // TODO: add support for floats soon |
| 492 | case eFormatCharPrintable: |
| 493 | case eFormatBytesWithASCII: |
| 494 | case eFormatComplex: |
| 495 | case eFormatEnum: |
| 496 | case eFormatUnicode16: |
| 497 | case eFormatUnicode32: |
| 498 | case eFormatVectorOfChar: |
| 499 | case eFormatVectorOfSInt8: |
| 500 | case eFormatVectorOfUInt8: |
| 501 | case eFormatVectorOfSInt16: |
| 502 | case eFormatVectorOfUInt16: |
| 503 | case eFormatVectorOfSInt32: |
| 504 | case eFormatVectorOfUInt32: |
| 505 | case eFormatVectorOfSInt64: |
| 506 | case eFormatVectorOfUInt64: |
| 507 | case eFormatVectorOfFloat32: |
| 508 | case eFormatVectorOfFloat64: |
| 509 | case eFormatVectorOfUInt128: |
| 510 | result.AppendError("unsupported format for writing memory"); |
| 511 | result.SetStatus(eReturnStatusFailed); |
| 512 | return false; |
| 513 | |
| 514 | case eFormatDefault: |
| 515 | case eFormatBytes: |
| 516 | case eFormatHex: |
| 517 | // Decode hex bytes |
| 518 | uval64 = Args::StringToUInt64(value_str, UINT64_MAX, 16, &success); |
| 519 | if (!success) |
| 520 | { |
| 521 | result.AppendErrorWithFormat ("'%s' is not a valid hex string value.\n", value_str); |
| 522 | result.SetStatus(eReturnStatusFailed); |
| 523 | return false; |
| 524 | } |
| 525 | else if (!UIntValueIsValidForSize (uval64, item_byte_size)) |
| 526 | { |
| 527 | result.AppendErrorWithFormat ("Value 0x%llx is too large to fit in a %u byte unsigned integer value.\n", uval64, item_byte_size); |
| 528 | result.SetStatus(eReturnStatusFailed); |
| 529 | return false; |
| 530 | } |
| 531 | buffer.PutMaxHex64 (uval64, item_byte_size); |
| 532 | break; |
| 533 | |
| 534 | case eFormatBoolean: |
| 535 | uval64 = Args::StringToBoolean(value_str, false, &success); |
| 536 | if (!success) |
| 537 | { |
| 538 | result.AppendErrorWithFormat ("'%s' is not a valid boolean string value.\n", value_str); |
| 539 | result.SetStatus(eReturnStatusFailed); |
| 540 | return false; |
| 541 | } |
| 542 | buffer.PutMaxHex64 (uval64, item_byte_size); |
| 543 | break; |
| 544 | |
| 545 | case eFormatBinary: |
| 546 | uval64 = Args::StringToUInt64(value_str, UINT64_MAX, 2, &success); |
| 547 | if (!success) |
| 548 | { |
| 549 | result.AppendErrorWithFormat ("'%s' is not a valid binary string value.\n", value_str); |
| 550 | result.SetStatus(eReturnStatusFailed); |
| 551 | return false; |
| 552 | } |
| 553 | else if (!UIntValueIsValidForSize (uval64, item_byte_size)) |
| 554 | { |
| 555 | result.AppendErrorWithFormat ("Value 0x%llx is too large to fit in a %u byte unsigned integer value.\n", uval64, item_byte_size); |
| 556 | result.SetStatus(eReturnStatusFailed); |
| 557 | return false; |
| 558 | } |
| 559 | buffer.PutMaxHex64 (uval64, item_byte_size); |
| 560 | break; |
| 561 | |
| 562 | case eFormatChar: |
| 563 | case eFormatCString: |
| 564 | if (value_str[0]) |
| 565 | { |
| 566 | size_t len = strlen (value_str); |
| 567 | // Include the NULL for C strings... |
| 568 | if (m_options.m_format == eFormatCString) |
| 569 | ++len; |
| 570 | Error error; |
| 571 | if (process->WriteMemory (addr, value_str, len, error) == len) |
| 572 | { |
| 573 | addr += len; |
| 574 | } |
| 575 | else |
| 576 | { |
| 577 | result.AppendErrorWithFormat ("Memory write to 0x%llx failed: %s.\n", addr, error.AsCString()); |
| 578 | result.SetStatus(eReturnStatusFailed); |
| 579 | return false; |
| 580 | } |
| 581 | } |
| 582 | break; |
| 583 | |
| 584 | case eFormatDecimal: |
| 585 | sval64 = Args::StringToSInt64(value_str, INT64_MAX, 0, &success); |
| 586 | if (!success) |
| 587 | { |
| 588 | result.AppendErrorWithFormat ("'%s' is not a valid signed decimal value.\n", value_str); |
| 589 | result.SetStatus(eReturnStatusFailed); |
| 590 | return false; |
| 591 | } |
| 592 | else if (!SIntValueIsValidForSize (sval64, item_byte_size)) |
| 593 | { |
| 594 | result.AppendErrorWithFormat ("Value %lli is too large or small to fit in a %u byte signed integer value.\n", sval64, item_byte_size); |
| 595 | result.SetStatus(eReturnStatusFailed); |
| 596 | return false; |
| 597 | } |
| 598 | buffer.PutMaxHex64 (sval64, item_byte_size); |
| 599 | break; |
| 600 | |
| 601 | case eFormatUnsigned: |
| 602 | uval64 = Args::StringToUInt64(value_str, UINT64_MAX, 0, &success); |
| 603 | if (!success) |
| 604 | { |
| 605 | result.AppendErrorWithFormat ("'%s' is not a valid unsigned decimal string value.\n", value_str); |
| 606 | result.SetStatus(eReturnStatusFailed); |
| 607 | return false; |
| 608 | } |
| 609 | else if (!UIntValueIsValidForSize (uval64, item_byte_size)) |
| 610 | { |
| 611 | result.AppendErrorWithFormat ("Value %llu is too large to fit in a %u byte unsigned integer value.\n", uval64, item_byte_size); |
| 612 | result.SetStatus(eReturnStatusFailed); |
| 613 | return false; |
| 614 | } |
| 615 | buffer.PutMaxHex64 (uval64, item_byte_size); |
| 616 | break; |
| 617 | |
| 618 | case eFormatOctal: |
| 619 | uval64 = Args::StringToUInt64(value_str, UINT64_MAX, 8, &success); |
| 620 | if (!success) |
| 621 | { |
| 622 | result.AppendErrorWithFormat ("'%s' is not a valid octal string value.\n", value_str); |
| 623 | result.SetStatus(eReturnStatusFailed); |
| 624 | return false; |
| 625 | } |
| 626 | else if (!UIntValueIsValidForSize (uval64, item_byte_size)) |
| 627 | { |
| 628 | result.AppendErrorWithFormat ("Value %llo is too large to fit in a %u byte unsigned integer value.\n", uval64, item_byte_size); |
| 629 | result.SetStatus(eReturnStatusFailed); |
| 630 | return false; |
| 631 | } |
| 632 | buffer.PutMaxHex64 (uval64, item_byte_size); |
| 633 | break; |
| 634 | } |
| 635 | } |
| 636 | |
| 637 | if (!buffer.GetString().empty()) |
| 638 | { |
| 639 | Error error; |
| 640 | if (process->WriteMemory (addr, buffer.GetString().data(), buffer.GetString().size(), error) == buffer.GetString().size()) |
| 641 | return true; |
| 642 | else |
| 643 | { |
| 644 | result.AppendErrorWithFormat ("Memory write to 0x%llx failed: %s.\n", addr, error.AsCString()); |
| 645 | result.SetStatus(eReturnStatusFailed); |
| 646 | return false; |
| 647 | } |
| 648 | } |
| 649 | return true; |
| 650 | } |
| 651 | |
| 652 | protected: |
| 653 | CommandOptions m_options; |
| 654 | }; |
| 655 | |
| 656 | lldb::OptionDefinition |
| 657 | CommandObjectMemoryWrite::CommandOptions::g_option_table[] = |
| 658 | { |
| 659 | { 0, false, "format", 'f', required_argument, NULL, 0, "<format>", "The format value types that will be decoded and written to memory."}, |
| 660 | { 0, false, "size", 's', required_argument, NULL, 0, "<byte-size>","The size in bytes of the values to write to memory."}, |
| 661 | { 0, false, NULL, 0, 0, NULL, 0, NULL, NULL } |
| 662 | }; |
| 663 | |
| 664 | |
| 665 | //------------------------------------------------------------------------- |
| 666 | // CommandObjectMemory |
| 667 | //------------------------------------------------------------------------- |
| 668 | |
| 669 | CommandObjectMemory::CommandObjectMemory (CommandInterpreter *interpreter) : |
| 670 | CommandObjectMultiword ("memory", |
| 671 | "A set of commands for operating on a memory.", |
| 672 | "memory <subcommand> [<subcommand-options>]") |
| 673 | { |
| 674 | LoadSubCommand (CommandObjectSP (new CommandObjectMemoryRead ()), "read", interpreter); |
| 675 | LoadSubCommand (CommandObjectSP (new CommandObjectMemoryWrite ()), "write", interpreter); |
| 676 | } |
| 677 | |
| 678 | CommandObjectMemory::~CommandObjectMemory () |
| 679 | { |
| 680 | } |