process.cc revision 13570:b6484720c6a9
1/* 2 * Copyright (c) 2005 The Regents of The University of Michigan 3 * Copyright (c) 2007 MIPS Technologies, Inc. 4 * Copyright (c) 2016 The University of Virginia 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions are 9 * met: redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer; 11 * redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution; 14 * neither the name of the copyright holders nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 * 30 * Authors: Gabe Black 31 * Korey Sewell 32 * Alec Roelke 33 */ 34 35#include "arch/riscv/linux/process.hh" 36 37#include <map> 38 39#include "arch/riscv/isa_traits.hh" 40#include "arch/riscv/linux/linux.hh" 41#include "base/trace.hh" 42#include "cpu/thread_context.hh" 43#include "debug/SyscallVerbose.hh" 44#include "kern/linux/linux.hh" 45#include "sim/eventq.hh" 46#include "sim/process.hh" 47#include "sim/syscall_desc.hh" 48#include "sim/syscall_emul.hh" 49#include "sim/system.hh" 50 51using namespace std; 52using namespace RiscvISA; 53 54/// Target uname() handler. 55static SyscallReturn 56unameFunc(SyscallDesc *desc, int callnum, Process *process, 57 ThreadContext *tc) 58{ 59 int index = 0; 60 TypedBufferArg<Linux::utsname> name(process->getSyscallArg(tc, index)); 61 62 strcpy(name->sysname, "Linux"); 63 strcpy(name->nodename,"sim.gem5.org"); 64 strcpy(name->release, "3.0.0"); 65 strcpy(name->version, "#1 Mon Aug 18 11:32:15 EDT 2003"); 66 strcpy(name->machine, "riscv"); 67 68 name.copyOut(tc->getMemProxy()); 69 return 0; 70} 71 72std::map<int, SyscallDesc> RiscvLinuxProcess::syscallDescs = { 73 {0, SyscallDesc("io_setup")}, 74 {1, SyscallDesc("io_destroy")}, 75 {2, SyscallDesc("io_submit")}, 76 {3, SyscallDesc("io_cancel")}, 77 {4, SyscallDesc("io_getevents")}, 78 {5, SyscallDesc("setxattr")}, 79 {6, SyscallDesc("lsetxattr")}, 80 {7, SyscallDesc("fsetxattr")}, 81 {8, SyscallDesc("getxattr")}, 82 {9, SyscallDesc("lgetxattr")}, 83 {10, SyscallDesc("fgetxattr")}, 84 {11, SyscallDesc("listxattr")}, 85 {12, SyscallDesc("llistxattr")}, 86 {13, SyscallDesc("flistxattr")}, 87 {14, SyscallDesc("removexattr")}, 88 {15, SyscallDesc("lremovexattr")}, 89 {16, SyscallDesc("fremovexattr")}, 90 {17, SyscallDesc("getcwd", getcwdFunc)}, 91 {18, SyscallDesc("lookup_dcookie")}, 92 {19, SyscallDesc("eventfd2")}, 93 {20, SyscallDesc("epoll_create1")}, 94 {21, SyscallDesc("epoll_ctl")}, 95 {22, SyscallDesc("epoll_pwait")}, 96 {23, SyscallDesc("dup", dupFunc)}, 97 {24, SyscallDesc("dup3")}, 98 {25, SyscallDesc("fcntl", fcntl64Func)}, 99 {26, SyscallDesc("inotify_init1")}, 100 {27, SyscallDesc("inotify_add_watch")}, 101 {28, SyscallDesc("inotify_rm_watch")}, 102 {29, SyscallDesc("ioctl", ioctlFunc<RiscvLinux>)}, 103 {30, SyscallDesc("ioprio_get")}, 104 {31, SyscallDesc("ioprio_set")}, 105 {32, SyscallDesc("flock")}, 106 {33, SyscallDesc("mknodat")}, 107 {34, SyscallDesc("mkdirat")}, 108 {35, SyscallDesc("unlinkat", unlinkatFunc<RiscvLinux>)}, 109 {36, SyscallDesc("symlinkat")}, 110 {37, SyscallDesc("linkat")}, 111 {38, SyscallDesc("renameat", renameatFunc<RiscvLinux>)}, 112 {39, SyscallDesc("umount2")}, 113 {40, SyscallDesc("mount")}, 114 {41, SyscallDesc("pivot_root")}, 115 {42, SyscallDesc("nfsservctl")}, 116 {43, SyscallDesc("statfs", statfsFunc<RiscvLinux>)}, 117 {44, SyscallDesc("fstatfs", fstatfsFunc<RiscvLinux>)}, 118 {45, SyscallDesc("truncate", truncateFunc)}, 119 {46, SyscallDesc("ftruncate", ftruncate64Func)}, 120 {47, SyscallDesc("fallocate", fallocateFunc)}, 121 {48, SyscallDesc("faccessat", faccessatFunc<RiscvLinux>)}, 122 {49, SyscallDesc("chdir")}, 123 {50, SyscallDesc("fchdir")}, 124 {51, SyscallDesc("chroot")}, 125 {52, SyscallDesc("fchmod", fchmodFunc<RiscvLinux>)}, 126 {53, SyscallDesc("fchmodat")}, 127 {54, SyscallDesc("fchownat")}, 128 {55, SyscallDesc("fchown", fchownFunc)}, 129 {56, SyscallDesc("openat", openatFunc<RiscvLinux>)}, 130 {57, SyscallDesc("close", closeFunc)}, 131 {58, SyscallDesc("vhangup")}, 132 {59, SyscallDesc("pipe2")}, 133 {60, SyscallDesc("quotactl")}, 134 {61, SyscallDesc("getdents64")}, 135 {62, SyscallDesc("lseek", lseekFunc)}, 136 {63, SyscallDesc("read", readFunc<RiscvLinux>)}, 137 {64, SyscallDesc("write", writeFunc<RiscvLinux>)}, 138 {66, SyscallDesc("writev", writevFunc<RiscvLinux>)}, 139 {67, SyscallDesc("pread64")}, 140 {68, SyscallDesc("pwrite64", pwrite64Func<RiscvLinux>)}, 141 {69, SyscallDesc("preadv")}, 142 {70, SyscallDesc("pwritev")}, 143 {71, SyscallDesc("sendfile")}, 144 {72, SyscallDesc("pselect6")}, 145 {73, SyscallDesc("ppoll")}, 146 {74, SyscallDesc("signalfd64")}, 147 {75, SyscallDesc("vmsplice")}, 148 {76, SyscallDesc("splice")}, 149 {77, SyscallDesc("tee")}, 150 {78, SyscallDesc("readlinkat", readlinkatFunc<RiscvLinux>)}, 151 {79, SyscallDesc("fstatat", fstatat64Func<RiscvLinux>)}, 152 {80, SyscallDesc("fstat", fstat64Func<RiscvLinux>)}, 153 {81, SyscallDesc("sync")}, 154 {82, SyscallDesc("fsync")}, 155 {83, SyscallDesc("fdatasync")}, 156 {84, SyscallDesc("sync_file_range2")}, 157 {85, SyscallDesc("timerfd_create")}, 158 {86, SyscallDesc("timerfd_settime")}, 159 {87, SyscallDesc("timerfd_gettime")}, 160 {88, SyscallDesc("utimensat")}, 161 {89, SyscallDesc("acct")}, 162 {90, SyscallDesc("capget")}, 163 {91, SyscallDesc("capset")}, 164 {92, SyscallDesc("personality")}, 165 {93, SyscallDesc("exit", exitFunc)}, 166 {94, SyscallDesc("exit_group", exitGroupFunc)}, 167 {95, SyscallDesc("waitid")}, 168 {96, SyscallDesc("set_tid_address", setTidAddressFunc)}, 169 {97, SyscallDesc("unshare")}, 170 {98, SyscallDesc("futex", futexFunc<RiscvLinux>)}, 171 {99, SyscallDesc("set_robust_list", ignoreFunc, SyscallDesc::WarnOnce)}, 172 {100, SyscallDesc("get_robust_list", ignoreFunc, SyscallDesc::WarnOnce)}, 173 {101, SyscallDesc("nanosleep")}, 174 {102, SyscallDesc("getitimer")}, 175 {103, SyscallDesc("setitimer")}, 176 {104, SyscallDesc("kexec_load")}, 177 {105, SyscallDesc("init_module")}, 178 {106, SyscallDesc("delete_module")}, 179 {107, SyscallDesc("timer_create")}, 180 {108, SyscallDesc("timer_gettime")}, 181 {109, SyscallDesc("timer_getoverrun")}, 182 {110, SyscallDesc("timer_settime")}, 183 {111, SyscallDesc("timer_delete")}, 184 {112, SyscallDesc("clock_settime")}, 185 {113, SyscallDesc("clock_gettime", clock_gettimeFunc<RiscvLinux>)}, 186 {114, SyscallDesc("clock_getres", clock_getresFunc<RiscvLinux>)}, 187 {115, SyscallDesc("clock_nanosleep")}, 188 {116, SyscallDesc("syslog")}, 189 {117, SyscallDesc("ptrace")}, 190 {118, SyscallDesc("sched_setparam")}, 191 {119, SyscallDesc("sched_setscheduler")}, 192 {120, SyscallDesc("sched_getscheduler")}, 193 {121, SyscallDesc("sched_getparam")}, 194 {122, SyscallDesc("sched_setaffinity")}, 195 {123, SyscallDesc("sched_getaffinity")}, 196 {124, SyscallDesc("sched_yield", ignoreFunc, SyscallDesc::WarnOnce)}, 197 {125, SyscallDesc("sched_get_priority_max")}, 198 {126, SyscallDesc("sched_get_priority_min")}, 199 {127, SyscallDesc("scheD_rr_get_interval")}, 200 {128, SyscallDesc("restart_syscall")}, 201 {129, SyscallDesc("kill")}, 202 {130, SyscallDesc("tkill")}, 203 {131, SyscallDesc("tgkill", tgkillFunc<RiscvLinux>)}, 204 {132, SyscallDesc("sigaltstack")}, 205 {133, SyscallDesc("rt_sigsuspend", ignoreFunc, SyscallDesc::WarnOnce)}, 206 {134, SyscallDesc("rt_sigaction", ignoreFunc, SyscallDesc::WarnOnce)}, 207 {135, SyscallDesc("rt_sigprocmask", ignoreFunc, SyscallDesc::WarnOnce)}, 208 {136, SyscallDesc("rt_sigpending", ignoreFunc, SyscallDesc::WarnOnce)}, 209 {137, SyscallDesc("rt_sigtimedwait", ignoreFunc,SyscallDesc::WarnOnce)}, 210 {138, SyscallDesc("rt_sigqueueinfo", ignoreFunc,SyscallDesc::WarnOnce)}, 211 {139, SyscallDesc("rt_sigreturn", ignoreFunc, SyscallDesc::WarnOnce)}, 212 {140, SyscallDesc("setpriority")}, 213 {141, SyscallDesc("getpriority")}, 214 {142, SyscallDesc("reboot")}, 215 {143, SyscallDesc("setregid")}, 216 {144, SyscallDesc("setgid")}, 217 {145, SyscallDesc("setreuid")}, 218 {146, SyscallDesc("setuid", setuidFunc)}, 219 {147, SyscallDesc("setresuid")}, 220 {148, SyscallDesc("getresuid")}, 221 {149, SyscallDesc("getresgid")}, 222 {150, SyscallDesc("getresgid")}, 223 {151, SyscallDesc("setfsuid")}, 224 {152, SyscallDesc("setfsgid")}, 225 {153, SyscallDesc("times", timesFunc<RiscvLinux>)}, 226 {154, SyscallDesc("setpgid", setpgidFunc)}, 227 {155, SyscallDesc("getpgid")}, 228 {156, SyscallDesc("getsid")}, 229 {157, SyscallDesc("setsid")}, 230 {158, SyscallDesc("getgroups")}, 231 {159, SyscallDesc("setgroups")}, 232 {160, SyscallDesc("uname", unameFunc)}, 233 {161, SyscallDesc("sethostname")}, 234 {162, SyscallDesc("setdomainname")}, 235 {163, SyscallDesc("getrlimit", getrlimitFunc<RiscvLinux>)}, 236 {164, SyscallDesc("setrlimit", ignoreFunc)}, 237 {165, SyscallDesc("getrusage", getrusageFunc<RiscvLinux>)}, 238 {166, SyscallDesc("umask", umaskFunc)}, 239 {167, SyscallDesc("prctl")}, 240 {168, SyscallDesc("getcpu")}, 241 {169, SyscallDesc("gettimeofday", gettimeofdayFunc<RiscvLinux>)}, 242 {170, SyscallDesc("settimeofday")}, 243 {171, SyscallDesc("adjtimex")}, 244 {172, SyscallDesc("getpid", getpidFunc)}, 245 {173, SyscallDesc("getppid", getppidFunc)}, 246 {174, SyscallDesc("getuid", getuidFunc)}, 247 {175, SyscallDesc("geteuid", geteuidFunc)}, 248 {176, SyscallDesc("getgid", getgidFunc)}, 249 {177, SyscallDesc("getegid", getegidFunc)}, 250 {178, SyscallDesc("gettid", gettidFunc)}, 251 {179, SyscallDesc("sysinfo", sysinfoFunc<RiscvLinux>)}, 252 {180, SyscallDesc("mq_open")}, 253 {181, SyscallDesc("mq_unlink")}, 254 {182, SyscallDesc("mq_timedsend")}, 255 {183, SyscallDesc("mq_timedrecieve")}, 256 {184, SyscallDesc("mq_notify")}, 257 {185, SyscallDesc("mq_getsetattr")}, 258 {186, SyscallDesc("msgget")}, 259 {187, SyscallDesc("msgctl")}, 260 {188, SyscallDesc("msgrcv")}, 261 {189, SyscallDesc("msgsnd")}, 262 {190, SyscallDesc("semget")}, 263 {191, SyscallDesc("semctl")}, 264 {192, SyscallDesc("semtimedop")}, 265 {193, SyscallDesc("semop")}, 266 {194, SyscallDesc("shmget")}, 267 {195, SyscallDesc("shmctl")}, 268 {196, SyscallDesc("shmat")}, 269 {197, SyscallDesc("shmdt")}, 270 {198, SyscallDesc("socket")}, 271 {199, SyscallDesc("socketpair")}, 272 {200, SyscallDesc("bind")}, 273 {201, SyscallDesc("listen")}, 274 {202, SyscallDesc("accept")}, 275 {203, SyscallDesc("connect")}, 276 {204, SyscallDesc("getsockname")}, 277 {205, SyscallDesc("getpeername")}, 278 {206, SyscallDesc("sendo")}, 279 {207, SyscallDesc("recvfrom")}, 280 {208, SyscallDesc("setsockopt")}, 281 {209, SyscallDesc("getsockopt")}, 282 {210, SyscallDesc("shutdown")}, 283 {211, SyscallDesc("sendmsg")}, 284 {212, SyscallDesc("recvmsg")}, 285 {213, SyscallDesc("readahead")}, 286 {214, SyscallDesc("brk", brkFunc)}, 287 {215, SyscallDesc("munmap", munmapFunc)}, 288 {216, SyscallDesc("mremap", mremapFunc<RiscvLinux>)}, 289 {217, SyscallDesc("add_key")}, 290 {218, SyscallDesc("request_key")}, 291 {219, SyscallDesc("keyctl")}, 292 {220, SyscallDesc("clone", cloneFunc<RiscvLinux>)}, 293 {221, SyscallDesc("execve", execveFunc<RiscvLinux>)}, 294 {222, SyscallDesc("mmap", mmapFunc<RiscvLinux>)}, 295 {223, SyscallDesc("fadvise64")}, 296 {224, SyscallDesc("swapon")}, 297 {225, SyscallDesc("swapoff")}, 298 {226, SyscallDesc("mprotect", ignoreFunc)}, 299 {227, SyscallDesc("msync", ignoreFunc)}, 300 {228, SyscallDesc("mlock", ignoreFunc)}, 301 {229, SyscallDesc("munlock", ignoreFunc)}, 302 {230, SyscallDesc("mlockall", ignoreFunc)}, 303 {231, SyscallDesc("munlockall", ignoreFunc)}, 304 {232, SyscallDesc("mincore", ignoreFunc)}, 305 {233, SyscallDesc("madvise", ignoreFunc)}, 306 {234, SyscallDesc("remap_file_pages")}, 307 {235, SyscallDesc("mbind", ignoreFunc)}, 308 {236, SyscallDesc("get_mempolicy")}, 309 {237, SyscallDesc("set_mempolicy")}, 310 {238, SyscallDesc("migrate_pages")}, 311 {239, SyscallDesc("move_pages")}, 312 {240, SyscallDesc("tgsigqueueinfo")}, 313 {241, SyscallDesc("perf_event_open")}, 314 {242, SyscallDesc("accept4")}, 315 {243, SyscallDesc("recvmmsg")}, 316 {260, SyscallDesc("wait4")}, 317 {261, SyscallDesc("prlimit64", prlimitFunc<RiscvLinux>)}, 318 {262, SyscallDesc("fanotify_init")}, 319 {263, SyscallDesc("fanotify_mark")}, 320 {264, SyscallDesc("name_to_handle_at")}, 321 {265, SyscallDesc("open_by_handle_at")}, 322 {266, SyscallDesc("clock_adjtime")}, 323 {267, SyscallDesc("syncfs")}, 324 {268, SyscallDesc("setns")}, 325 {269, SyscallDesc("sendmmsg")}, 326 {270, SyscallDesc("process_vm_ready")}, 327 {271, SyscallDesc("process_vm_writev")}, 328 {272, SyscallDesc("kcmp")}, 329 {273, SyscallDesc("finit_module")}, 330 {274, SyscallDesc("sched_setattr")}, 331 {275, SyscallDesc("sched_getattr")}, 332 {276, SyscallDesc("renameat2")}, 333 {277, SyscallDesc("seccomp")}, 334 {278, SyscallDesc("getrandom")}, 335 {279, SyscallDesc("memfd_create")}, 336 {280, SyscallDesc("bpf")}, 337 {281, SyscallDesc("execveat")}, 338 {282, SyscallDesc("userfaultid")}, 339 {283, SyscallDesc("membarrier")}, 340 {284, SyscallDesc("mlock2")}, 341 {285, SyscallDesc("copy_file_range")}, 342 {286, SyscallDesc("preadv2")}, 343 {287, SyscallDesc("pwritev2")}, 344 {1024, SyscallDesc("open", openFunc<RiscvLinux>)}, 345 {1025, SyscallDesc("link")}, 346 {1026, SyscallDesc("unlink", unlinkFunc)}, 347 {1027, SyscallDesc("mknod")}, 348 {1028, SyscallDesc("chmod", chmodFunc<RiscvLinux>)}, 349 {1029, SyscallDesc("chown", chownFunc)}, 350 {1030, SyscallDesc("mkdir", mkdirFunc)}, 351 {1031, SyscallDesc("rmdir")}, 352 {1032, SyscallDesc("lchown")}, 353 {1033, SyscallDesc("access", accessFunc)}, 354 {1034, SyscallDesc("rename", renameFunc)}, 355 {1035, SyscallDesc("readlink", readlinkFunc)}, 356 {1036, SyscallDesc("symlink")}, 357 {1037, SyscallDesc("utimes", utimesFunc<RiscvLinux>)}, 358 {1038, SyscallDesc("stat", stat64Func<RiscvLinux>)}, 359 {1039, SyscallDesc("lstat", lstat64Func<RiscvLinux>)}, 360 {1040, SyscallDesc("pipe", pipeFunc)}, 361 {1041, SyscallDesc("dup2", dup2Func)}, 362 {1042, SyscallDesc("epoll_create")}, 363 {1043, SyscallDesc("inotifiy_init")}, 364 {1044, SyscallDesc("eventfd")}, 365 {1045, SyscallDesc("signalfd")}, 366 {1046, SyscallDesc("sendfile")}, 367 {1047, SyscallDesc("ftruncate", ftruncate64Func)}, 368 {1048, SyscallDesc("truncate", truncate64Func)}, 369 {1049, SyscallDesc("stat", stat64Func<RiscvLinux>)}, 370 {1050, SyscallDesc("lstat", lstat64Func<RiscvLinux>)}, 371 {1051, SyscallDesc("fstat", fstat64Func<RiscvLinux>)}, 372 {1052, SyscallDesc("fcntl", fcntl64Func)}, 373 {1053, SyscallDesc("fadvise64")}, 374 {1054, SyscallDesc("newfstatat")}, 375 {1055, SyscallDesc("fstatfs", fstatfsFunc<RiscvLinux>)}, 376 {1056, SyscallDesc("statfs", statfsFunc<RiscvLinux>)}, 377 {1057, SyscallDesc("lseek", lseekFunc)}, 378 {1058, SyscallDesc("mmap", mmapFunc<RiscvLinux>)}, 379 {1059, SyscallDesc("alarm")}, 380 {1060, SyscallDesc("getpgrp")}, 381 {1061, SyscallDesc("pause")}, 382 {1062, SyscallDesc("time", timeFunc<RiscvLinux>)}, 383 {1063, SyscallDesc("utime")}, 384 {1064, SyscallDesc("creat")}, 385 {1065, SyscallDesc("getdents")}, 386 {1066, SyscallDesc("futimesat")}, 387 {1067, SyscallDesc("select")}, 388 {1068, SyscallDesc("poll")}, 389 {1069, SyscallDesc("epoll_wait")}, 390 {1070, SyscallDesc("ustat")}, 391 {1071, SyscallDesc("vfork")}, 392 {1072, SyscallDesc("oldwait4")}, 393 {1073, SyscallDesc("recv")}, 394 {1074, SyscallDesc("send")}, 395 {1075, SyscallDesc("bdflush")}, 396 {1076, SyscallDesc("umount")}, 397 {1077, SyscallDesc("uselib")}, 398 {1078, SyscallDesc("sysctl")}, 399 {1079, SyscallDesc("fork")}, 400 {2011, SyscallDesc("getmainvars")} 401}; 402 403RiscvLinuxProcess::RiscvLinuxProcess(ProcessParams * params, 404 ObjectFile *objFile) : RiscvProcess(params, objFile) 405{} 406 407SyscallDesc* 408RiscvLinuxProcess::getDesc(int callnum) 409{ 410 return syscallDescs.find(callnum) != syscallDescs.end() ? 411 &syscallDescs.at(callnum) : nullptr; 412} 413