linux.hh revision 13537:2441d9a15e3c
1/* 2 * Copyright (c) 2010, 2011-2012, 2015 ARM Limited 3 * All rights reserved 4 * 5 * The license below extends only to copyright in the software and shall 6 * not be construed as granting a license to any other intellectual 7 * property including but not limited to intellectual property relating 8 * to a hardware implementation of the functionality of the software 9 * licensed hereunder. You may use the software subject to the license 10 * terms below provided that you ensure that this notice is replicated 11 * unmodified and in its entirety in all distributions of the software, 12 * modified or unmodified, in source code or in binary form. 13 * 14 * Copyright (c) 2003-2005 The Regents of The University of Michigan 15 * Copyright (c) 2007-2008 The Florida State University 16 * All rights reserved. 17 * 18 * Redistribution and use in source and binary forms, with or without 19 * modification, are permitted provided that the following conditions are 20 * met: redistributions of source code must retain the above copyright 21 * notice, this list of conditions and the following disclaimer; 22 * redistributions in binary form must reproduce the above copyright 23 * notice, this list of conditions and the following disclaimer in the 24 * documentation and/or other materials provided with the distribution; 25 * neither the name of the copyright holders nor the names of its 26 * contributors may be used to endorse or promote products derived from 27 * this software without specific prior written permission. 28 * 29 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 30 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 31 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 32 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 33 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 34 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 35 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 36 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 37 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 38 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 39 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 40 * 41 * Authors: Ali Saidi 42 * Stephen Hines 43 */ 44 45#ifndef __ARCH_ARM_LINUX_LINUX_HH__ 46#define __ARCH_ARM_LINUX_LINUX_HH__ 47 48#include "arch/arm/utility.hh" 49#include "kern/linux/linux.hh" 50 51class ArmLinux : public Linux 52{ 53 public: 54 static void 55 archClone(uint64_t flags, 56 Process *pp, Process *cp, 57 ThreadContext *ptc, ThreadContext *ctc, 58 uint64_t stack, uint64_t tls) 59 { 60 ArmISA::copyRegs(ptc, ctc); 61 } 62}; 63 64class ArmLinux32 : public ArmLinux 65{ 66 public: 67 68 static const int TGT_SIGHUP = 0x000001; 69 static const int TGT_SIGINT = 0x000002; 70 static const int TGT_SIGQUIT = 0x000003; 71 static const int TGT_SIGILL = 0x000004; 72 static const int TGT_SIGTRAP = 0x000005; 73 static const int TGT_SIGABRT = 0x000006; 74 static const int TGT_SIGIOT = 0x000006; 75 static const int TGT_SIGBUS = 0x000007; 76 static const int TGT_SIGFPE = 0x000008; 77 static const int TGT_SIGKILL = 0x000009; 78 static const int TGT_SIGUSR1 = 0x00000a; 79 static const int TGT_SIGSEGV = 0x00000b; 80 static const int TGT_SIGUSR2 = 0x00000c; 81 static const int TGT_SIGPIPE = 0x00000d; 82 static const int TGT_SIGALRM = 0x00000e; 83 static const int TGT_SIGTERM = 0x00000f; 84 static const int TGT_SIGSTKFLT = 0x000010; 85 static const int TGT_SIGCHLD = 0x000011; 86 static const int TGT_SIGCONT = 0x000012; 87 static const int TGT_SIGSTOP = 0x000013; 88 static const int TGT_SIGTSTP = 0x000014; 89 static const int TGT_SIGTTIN = 0x000015; 90 static const int TGT_SIGTTOU = 0x000016; 91 static const int TGT_SIGURG = 0x000017; 92 static const int TGT_SIGXCPU = 0x000018; 93 static const int TGT_SIGXFSZ = 0x000019; 94 static const int TGT_SIGVTALRM = 0x00001a; 95 static const int TGT_SIGPROF = 0x00001b; 96 static const int TGT_SIGWINCH = 0x00001c; 97 static const int TGT_SIGIO = 0x00001d; 98 static const int TGT_SIGPOLL = 0x00001d; 99 static const int TGT_SIGPWR = 0x00001e; 100 static const int TGT_SIGSYS = 0x00001f; 101 static const int TGT_SIGUNUSED = 0x00001f; 102 103 /// This table maps the target open() flags to the corresponding 104 /// host open() flags. 105 static SyscallFlagTransTable openFlagTable[]; 106 107 /// Number of entries in openFlagTable[]. 108 static const int NUM_OPEN_FLAGS; 109 110 //@{ 111 /// Basic ARM Linux types 112 typedef uint32_t size_t; 113 typedef uint32_t off_t; 114 typedef int32_t time_t; 115 typedef int32_t clock_t; 116 //@} 117 118 //@{ 119 /// open(2) flag values. 120 static const int TGT_O_RDONLY = 000000000; //!< O_RDONLY 121 static const int TGT_O_WRONLY = 000000001; //!< O_WRONLY 122 static const int TGT_O_RDWR = 000000002; //!< O_RDWR 123 static const int TGT_O_CREAT = 000000100; //!< O_CREAT 124 static const int TGT_O_EXCL = 000000200; //!< O_EXCL 125 static const int TGT_O_NOCTTY = 000000400; //!< O_NOCTTY 126 static const int TGT_O_TRUNC = 000001000; //!< O_TRUNC 127 static const int TGT_O_APPEND = 000002000; //!< O_APPEND 128 static const int TGT_O_NONBLOCK = 000004000; //!< O_NONBLOCK 129 static const int TGT_O_DSYNC = 000010000; //!< O_DSYNC 130 static const int TGT_FASYNC = 000020000; //!< FASYNC 131 static const int TGT_O_DIRECT = 000200000; //!< O_DIRECT 132 static const int TGT_O_LARGEFILE = 000400000; //!< O_LARGEFILE 133 static const int TGT_O_DIRECTORY = 000040000; //!< O_DIRECTORY 134 static const int TGT_O_NOFOLLOW = 000100000; //!< O_NOFOLLOW 135 static const int TGT_O_NOATIME = 001000000; //!< O_NOATIME 136 static const int TGT_O_CLOEXEC = 002000000; //!< O_NOATIME 137 static const int TGT_O_SYNC = 004010000; //!< O_SYNC 138 static const int TGT_O_PATH = 010000000; //!< O_PATH 139 //@} 140 141 static const unsigned TGT_MAP_SHARED = 0x00001; 142 static const unsigned TGT_MAP_PRIVATE = 0x00002; 143 static const unsigned TGT_MAP_ANON = 0x00020; 144 static const unsigned TGT_MAP_DENYWRITE = 0x00800; 145 static const unsigned TGT_MAP_EXECUTABLE = 0x01000; 146 static const unsigned TGT_MAP_FILE = 0x00000; 147 static const unsigned TGT_MAP_GROWSDOWN = 0x00100; 148 static const unsigned TGT_MAP_HUGETLB = 0x40000; 149 static const unsigned TGT_MAP_LOCKED = 0x02000; 150 static const unsigned TGT_MAP_NONBLOCK = 0x10000; 151 static const unsigned TGT_MAP_NORESERVE = 0x04000; 152 static const unsigned TGT_MAP_POPULATE = 0x08000; 153 static const unsigned TGT_MAP_STACK = 0x20000; 154 static const unsigned TGT_MAP_ANONYMOUS = 0x00020; 155 static const unsigned TGT_MAP_FIXED = 0x00010; 156 157 static const unsigned NUM_MMAP_FLAGS; 158 159 /// For table(). 160 static const int TBL_SYSINFO = 12; 161 162 /// Limit struct for getrlimit/setrlimit. 163 struct rlimit { 164 uint32_t rlim_cur; //!< soft limit 165 uint32_t rlim_max; //!< hard limit 166 }; 167 168 /// For gettimeofday(). 169 struct timeval { 170 int32_t tv_sec; //!< seconds 171 int32_t tv_usec; //!< microseconds 172 }; 173 174 struct timespec { 175 int32_t tv_sec; //!< seconds 176 int32_t tv_nsec; //!< nanoseconds 177 }; 178 179 // For writev/readv 180 struct tgt_iovec { 181 uint32_t iov_base; // void * 182 uint32_t iov_len; 183 }; 184 185 186 typedef struct { 187 uint32_t st_dev; 188 uint32_t st_ino; 189 uint16_t st_mode; 190 uint16_t st_nlink; 191 uint16_t st_uid; 192 uint16_t st_gid; 193 uint32_t st_rdev; 194 uint32_t __pad1; 195 uint32_t st_size; 196 uint32_t st_blksize; 197 uint32_t __pad2; 198 uint32_t st_blocks; 199 uint32_t st_atimeX; 200 uint32_t st_atime_nsec; 201 uint32_t st_mtimeX; 202 uint32_t st_mtime_nsec; 203 uint32_t st_ctimeX; 204 uint32_t st_ctime_nsec; 205 } tgt_stat; 206 207 typedef struct { 208 uint64_t st_dev; 209 uint8_t __pad0[4]; 210 uint32_t __st_ino; 211 uint32_t st_mode; 212 uint32_t st_nlink; 213 uint32_t st_uid; 214 uint32_t st_gid; 215 uint64_t st_rdev; 216 uint8_t __pad3[4]; 217 int64_t __attribute__ ((aligned (8))) st_size; 218 uint32_t st_blksize; 219 uint64_t __attribute__ ((aligned (8))) st_blocks; 220 uint32_t st_atimeX; 221 uint32_t st_atime_nsec; 222 uint32_t st_mtimeX; 223 uint32_t st_mtime_nsec; 224 uint32_t st_ctimeX; 225 uint32_t st_ctime_nsec; 226 uint64_t st_ino; 227 } tgt_stat64; 228 229 typedef struct { 230 int32_t uptime; /* Seconds since boot */ 231 uint32_t loads[3]; /* 1, 5, and 15 minute load averages */ 232 uint32_t totalram; /* Total usable main memory size */ 233 uint32_t freeram; /* Available memory size */ 234 uint32_t sharedram; /* Amount of shared memory */ 235 uint32_t bufferram; /* Memory used by buffers */ 236 uint32_t totalswap; /* Total swap space size */ 237 uint32_t freeswap; /* swap space still available */ 238 uint16_t procs; /* Number of current processes */ 239 uint32_t totalhigh; /* Total high memory size */ 240 uint32_t freehigh; /* Available high memory size */ 241 uint32_t mem_unit; /* Memory unit size in bytes */ 242 } tgt_sysinfo; 243 244 /// For getrusage(). 245 struct rusage { 246 struct timeval ru_utime; //!< user time used 247 struct timeval ru_stime; //!< system time used 248 int32_t ru_maxrss; //!< max rss 249 int32_t ru_ixrss; //!< integral shared memory size 250 int32_t ru_idrss; //!< integral unshared data " 251 int32_t ru_isrss; //!< integral unshared stack " 252 int32_t ru_minflt; //!< page reclaims - total vmfaults 253 int32_t ru_majflt; //!< page faults 254 int32_t ru_nswap; //!< swaps 255 int32_t ru_inblock; //!< block input operations 256 int32_t ru_oublock; //!< block output operations 257 int32_t ru_msgsnd; //!< messages sent 258 int32_t ru_msgrcv; //!< messages received 259 int32_t ru_nsignals; //!< signals received 260 int32_t ru_nvcsw; //!< voluntary context switches 261 int32_t ru_nivcsw; //!< involuntary " 262 }; 263 264 /// For times(). 265 struct tms { 266 int32_t tms_utime; //!< user time 267 int32_t tms_stime; //!< system time 268 int32_t tms_cutime; //!< user time of children 269 int32_t tms_cstime; //!< system time of children 270 }; 271 272 static void 273 archClone(uint64_t flags, 274 Process *pp, Process *cp, 275 ThreadContext *ptc, ThreadContext *ctc, 276 uint64_t stack, uint64_t tls) 277 { 278 ArmLinux::archClone(flags, pp, cp, ptc, ctc, stack, tls); 279 280 if (stack) 281 ctc->setIntReg(ArmISA::INTREG_SP, stack); 282 } 283}; 284 285class ArmLinux64 : public ArmLinux 286{ 287 public: 288 289 static const int TGT_SIGHUP = 0x000001; 290 static const int TGT_SIGINT = 0x000002; 291 static const int TGT_SIGQUIT = 0x000003; 292 static const int TGT_SIGILL = 0x000004; 293 static const int TGT_SIGTRAP = 0x000005; 294 static const int TGT_SIGABRT = 0x000006; 295 static const int TGT_SIGIOT = 0x000006; 296 static const int TGT_SIGBUS = 0x000007; 297 static const int TGT_SIGFPE = 0x000008; 298 static const int TGT_SIGKILL = 0x000009; 299 static const int TGT_SIGUSR1 = 0x00000a; 300 static const int TGT_SIGSEGV = 0x00000b; 301 static const int TGT_SIGUSR2 = 0x00000c; 302 static const int TGT_SIGPIPE = 0x00000d; 303 static const int TGT_SIGALRM = 0x00000e; 304 static const int TGT_SIGTERM = 0x00000f; 305 static const int TGT_SIGSTKFLT = 0x000010; 306 static const int TGT_SIGCHLD = 0x000011; 307 static const int TGT_SIGCONT = 0x000012; 308 static const int TGT_SIGSTOP = 0x000013; 309 static const int TGT_SIGTSTP = 0x000014; 310 static const int TGT_SIGTTIN = 0x000015; 311 static const int TGT_SIGTTOU = 0x000016; 312 static const int TGT_SIGURG = 0x000017; 313 static const int TGT_SIGXCPU = 0x000018; 314 static const int TGT_SIGXFSZ = 0x000019; 315 static const int TGT_SIGVTALRM = 0x00001a; 316 static const int TGT_SIGPROF = 0x00001b; 317 static const int TGT_SIGWINCH = 0x00001c; 318 static const int TGT_SIGIO = 0x00001d; 319 static const int TGT_SIGPOLL = 0x00001d; 320 static const int TGT_SIGPWR = 0x00001e; 321 static const int TGT_SIGSYS = 0x00001f; 322 static const int TGT_SIGUNUSED = 0x00001f; 323 324 /// This table maps the target open() flags to the corresponding 325 /// host open() flags. 326 static SyscallFlagTransTable openFlagTable[]; 327 328 /// Number of entries in openFlagTable[]. 329 static const int NUM_OPEN_FLAGS; 330 331 //@{ 332 /// Basic ARM Linux types 333 typedef uint64_t size_t; 334 typedef uint64_t off_t; 335 typedef int64_t time_t; 336 typedef int64_t clock_t; 337 //@} 338 339 //@{ 340 /// open(2) flag values. 341 static const int TGT_O_RDONLY = 000000000; //!< O_RDONLY 342 static const int TGT_O_WRONLY = 000000001; //!< O_WRONLY 343 static const int TGT_O_RDWR = 000000002; //!< O_RDWR 344 static const int TGT_O_CREAT = 000000100; //!< O_CREAT 345 static const int TGT_O_EXCL = 000000200; //!< O_EXCL 346 static const int TGT_O_NOCTTY = 000000400; //!< O_NOCTTY 347 static const int TGT_O_TRUNC = 000001000; //!< O_TRUNC 348 static const int TGT_O_APPEND = 000002000; //!< O_APPEND 349 static const int TGT_O_NONBLOCK = 000004000; //!< O_NONBLOCK 350 static const int TGT_O_DSYNC = 000010000; //!< O_DSYNC 351 static const int TGT_FASYNC = 000020000; //!< FASYNC 352 static const int TGT_O_DIRECT = 000200000; //!< O_DIRECT 353 static const int TGT_O_LARGEFILE = 000400000; //!< O_LARGEFILE 354 static const int TGT_O_DIRECTORY = 000040000; //!< O_DIRECTORY 355 static const int TGT_O_NOFOLLOW = 000100000; //!< O_NOFOLLOW 356 static const int TGT_O_NOATIME = 001000000; //!< O_NOATIME 357 static const int TGT_O_CLOEXEC = 002000000; //!< O_NOATIME 358 static const int TGT_O_SYNC = 004010000; //!< O_SYNC 359 static const int TGT_O_PATH = 010000000; //!< O_PATH 360 //@} 361 362 /// For mmap(). 363 static SyscallFlagTransTable mmapFlagTable[]; 364 365 static const unsigned TGT_MAP_SHARED = 0x00001; 366 static const unsigned TGT_MAP_PRIVATE = 0x00002; 367 static const unsigned TGT_MAP_ANON = 0x00020; 368 static const unsigned TGT_MAP_DENYWRITE = 0x00800; 369 static const unsigned TGT_MAP_EXECUTABLE = 0x01000; 370 static const unsigned TGT_MAP_FILE = 0x00000; 371 static const unsigned TGT_MAP_GROWSDOWN = 0x00100; 372 static const unsigned TGT_MAP_HUGETLB = 0x40000; 373 static const unsigned TGT_MAP_LOCKED = 0x02000; 374 static const unsigned TGT_MAP_NONBLOCK = 0x10000; 375 static const unsigned TGT_MAP_NORESERVE = 0x04000; 376 static const unsigned TGT_MAP_POPULATE = 0x08000; 377 static const unsigned TGT_MAP_STACK = 0x20000; 378 static const unsigned TGT_MAP_ANONYMOUS = 0x00020; 379 static const unsigned TGT_MAP_FIXED = 0x00010; 380 381 static const unsigned NUM_MMAP_FLAGS; 382 383 //@{ 384 /// For getrusage(). 385 static const int TGT_RUSAGE_SELF = 0; 386 static const int TGT_RUSAGE_CHILDREN = -1; 387 static const int TGT_RUSAGE_BOTH = -2; 388 //@} 389 390 //@{ 391 /// ioctl() command codes. 392 static const unsigned TIOCGETP_ = 0x5401; 393 static const unsigned TIOCSETP_ = 0x80067409; 394 static const unsigned TIOCSETN_ = 0x8006740a; 395 static const unsigned TIOCSETC_ = 0x80067411; 396 static const unsigned TIOCGETC_ = 0x40067412; 397 static const unsigned FIONREAD_ = 0x4004667f; 398 static const unsigned TIOCISATTY_ = 0x2000745e; 399 static const unsigned TIOCGETS_ = 0x402c7413; 400 static const unsigned TIOCGETA_ = 0x5405; 401 static const unsigned TCSETAW_ = 0x5407; // 2.6.15 kernel 402 //@} 403 404 /// For table(). 405 static const int TBL_SYSINFO = 12; 406 407 /// Resource enumeration for getrlimit(). 408 enum rlimit_resources { 409 TGT_RLIMIT_CPU = 0, 410 TGT_RLIMIT_FSIZE = 1, 411 TGT_RLIMIT_DATA = 2, 412 TGT_RLIMIT_STACK = 3, 413 TGT_RLIMIT_CORE = 4, 414 TGT_RLIMIT_RSS = 5, 415 TGT_RLIMIT_NPROC = 6, 416 TGT_RLIMIT_NOFILE = 7, 417 TGT_RLIMIT_MEMLOCK = 8, 418 TGT_RLIMIT_AS = 9, 419 TGT_RLIMIT_LOCKS = 10 420 }; 421 422 /// Limit struct for getrlimit/setrlimit. 423 struct rlimit { 424 uint64_t rlim_cur; //!< soft limit 425 uint64_t rlim_max; //!< hard limit 426 }; 427 428 /// For gettimeofday(). 429 struct timeval { 430 int64_t tv_sec; //!< seconds 431 int64_t tv_usec; //!< microseconds 432 }; 433 434 struct timespec { 435 int64_t tv_sec; //!< seconds 436 int64_t tv_nsec; //!< nanoseconds 437 }; 438 439 // For writev/readv 440 struct tgt_iovec { 441 uint64_t iov_base; // void * 442 uint64_t iov_len; 443 }; 444 445 typedef struct { 446 uint64_t st_dev; 447 uint64_t st_ino; 448 uint64_t st_nlink; 449 uint32_t st_mode; 450 uint32_t st_uid; 451 uint32_t st_gid; 452 uint32_t __pad0; 453 uint64_t st_rdev; 454 uint64_t st_size; 455 uint64_t st_blksize; 456 uint64_t st_blocks; 457 uint64_t st_atimeX; 458 uint64_t st_atime_nsec; 459 uint64_t st_mtimeX; 460 uint64_t st_mtime_nsec; 461 uint64_t st_ctimeX; 462 uint64_t st_ctime_nsec; 463 } tgt_stat; 464 465 typedef struct { 466 uint64_t st_dev; 467 uint64_t st_ino; 468 uint32_t st_mode; 469 uint32_t st_nlink; 470 uint32_t st_uid; 471 uint32_t st_gid; 472 uint32_t __pad0; 473 uint64_t st_rdev; 474 uint64_t st_size; 475 uint64_t st_blksize; 476 uint64_t st_blocks; 477 uint64_t st_atimeX; 478 uint64_t st_atime_nsec; 479 uint64_t st_mtimeX; 480 uint64_t st_mtime_nsec; 481 uint64_t st_ctimeX; 482 uint64_t st_ctime_nsec; 483 } tgt_stat64; 484 485 typedef struct { 486 int64_t uptime; /* Seconds since boot */ 487 uint64_t loads[3]; /* 1, 5, and 15 minute load averages */ 488 uint64_t totalram; /* Total usable main memory size */ 489 uint64_t freeram; /* Available memory size */ 490 uint64_t sharedram; /* Amount of shared memory */ 491 uint64_t bufferram; /* Memory used by buffers */ 492 uint64_t totalswap; /* Total swap space size */ 493 uint64_t freeswap; /* swap space still available */ 494 uint16_t procs; /* Number of current processes */ 495 uint16_t pad; 496 uint64_t totalhigh; /* Total high memory size */ 497 uint64_t freehigh; /* Available high memory size */ 498 uint32_t mem_unit; /* Memory unit size in bytes */ 499 } tgt_sysinfo; 500 501 /// For getrusage(). 502 struct rusage { 503 struct timeval ru_utime; //!< user time used 504 struct timeval ru_stime; //!< system time used 505 int64_t ru_maxrss; //!< max rss 506 int64_t ru_ixrss; //!< integral shared memory size 507 int64_t ru_idrss; //!< integral unshared data " 508 int64_t ru_isrss; //!< integral unshared stack " 509 int64_t ru_minflt; //!< page reclaims - total vmfaults 510 int64_t ru_majflt; //!< page faults 511 int64_t ru_nswap; //!< swaps 512 int64_t ru_inblock; //!< block input operations 513 int64_t ru_oublock; //!< block output operations 514 int64_t ru_msgsnd; //!< messages sent 515 int64_t ru_msgrcv; //!< messages received 516 int64_t ru_nsignals; //!< signals received 517 int64_t ru_nvcsw; //!< voluntary context switches 518 int64_t ru_nivcsw; //!< involuntary " 519 }; 520 521 /// For times(). 522 struct tms { 523 int64_t tms_utime; //!< user time 524 int64_t tms_stime; //!< system time 525 int64_t tms_cutime; //!< user time of children 526 int64_t tms_cstime; //!< system time of children 527 }; 528 529 static void archClone(uint64_t flags, 530 Process *pp, Process *cp, 531 ThreadContext *ptc, ThreadContext *ctc, 532 uint64_t stack, uint64_t tls) 533 { 534 ArmLinux::archClone(flags, pp, cp, ptc, ctc, stack, tls); 535 536 if (stack) 537 ctc->setIntReg(ArmISA::INTREG_SP0, stack); 538 } 539}; 540 541#endif 542