/*
* Copyright (c) 2010 ARM Limited
* All rights reserved
*
* The license below extends only to copyright in the software and shall
* not be construed as granting a license to any other intellectual
* property including but not limited to intellectual property relating
* to a hardware implementation of the functionality of the software
* licensed hereunder. You may use the software subject to the license
* terms below provided that you ensure that this notice is replicated
* unmodified and in its entirety in all distributions of the software,
* modified or unmodified, in source code or in binary form.
*
* Copyright (c) 2003-2005 The Regents of The University of Michigan
* Copyright (c) 2007-2008 The Florida State University
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Korey Sewell
* Stephen Hines
* Ali Saidi
*/
#include "arch/arm/linux/linux.hh"
#include "arch/arm/linux/process.hh"
#include "arch/arm/isa_traits.hh"
#include "base/trace.hh"
#include "cpu/thread_context.hh"
#include "kern/linux/linux.hh"
#include "sim/process.hh"
#include "sim/syscall_emul.hh"
#include "sim/system.hh"
using namespace std;
using namespace ArmISA;
/// Target uname() handler.
static SyscallReturn
unameFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
ThreadContext *tc)
{
int index = 0;
TypedBufferArg<Linux::utsname> name(process->getSyscallArg(tc, index));
strcpy(name->sysname, "Linux");
strcpy(name->nodename, "m5.eecs.umich.edu");
strcpy(name->release, "2.6.29");
strcpy(name->version, "#1 Mon Aug 18 11:32:15 EDT 2003");
strcpy(name->machine, "armv7l");
name.copyOut(tc->getMemPort());
return 0;
}
SyscallDesc ArmLinuxProcess::syscallDescs[] = {
/* 0 */ SyscallDesc("syscall", unimplementedFunc),
/* 1 */ SyscallDesc("exit", exitFunc),
/* 2 */ SyscallDesc("fork", unimplementedFunc),
/* 3 */ SyscallDesc("read", readFunc),
/* 4 */ SyscallDesc("write", writeFunc),
/* 5 */ SyscallDesc("open", openFunc<ArmLinux>),
/* 6 */ SyscallDesc("close", closeFunc),
/* 7 */ SyscallDesc("unused#7", unimplementedFunc),
/* 8 */ SyscallDesc("creat", unimplementedFunc),
/* 9 */ SyscallDesc("link", unimplementedFunc),
/* 10 */ SyscallDesc("unlink", unlinkFunc),
/* 11 */ SyscallDesc("execve", unimplementedFunc),
/* 12 */ SyscallDesc("chdir", unimplementedFunc),
/* 13 */ SyscallDesc("time", timeFunc<ArmLinux>),
/* 14 */ SyscallDesc("mknod", unimplementedFunc),
/* 15 */ SyscallDesc("chmod", chmodFunc<ArmLinux>),
/* 16 */ SyscallDesc("lchown", chownFunc),
/* 17 */ SyscallDesc("unused#17", unimplementedFunc),
/* 18 */ SyscallDesc("unused#18", unimplementedFunc),
/* 19 */ SyscallDesc("lseek", lseekFunc),
/* 20 */ SyscallDesc("getpid", getpidFunc),
/* 21 */ SyscallDesc("mount", unimplementedFunc),
/* 22 */ SyscallDesc("umount", unimplementedFunc),
/* 23 */ SyscallDesc("setuid", setuidFunc),
/* 24 */ SyscallDesc("getuid", getuidFunc),
/* 25 */ SyscallDesc("stime", unimplementedFunc),
/* 26 */ SyscallDesc("ptrace", unimplementedFunc),
/* 27 */ SyscallDesc("alarm", unimplementedFunc),
/* 28 */ SyscallDesc("unused#28", unimplementedFunc),
/* 29 */ SyscallDesc("pause", unimplementedFunc),
/* 30 */ SyscallDesc("utime", unimplementedFunc),
/* 31 */ SyscallDesc("unused#31", unimplementedFunc),
/* 32 */ SyscallDesc("unused#32", unimplementedFunc),
/* 33 */ SyscallDesc("access", unimplementedFunc),
/* 34 */ SyscallDesc("nice", unimplementedFunc),
/* 35 */ SyscallDesc("unused#35", unimplementedFunc),
/* 36 */ SyscallDesc("sync", unimplementedFunc),
/* 37 */ SyscallDesc("kill", ignoreFunc),
/* 38 */ SyscallDesc("rename", renameFunc),
/* 39 */ SyscallDesc("mkdir", mkdirFunc),
/* 40 */ SyscallDesc("rmdir", unimplementedFunc),
/* 41 */ SyscallDesc("dup", dupFunc),
/* 42 */ SyscallDesc("pipe", pipePseudoFunc),
/* 43 */ SyscallDesc("times", timesFunc<ArmLinux>),
/* 44 */ SyscallDesc("unused#44", unimplementedFunc),
/* 45 */ SyscallDesc("brk", brkFunc),
/* 46 */ SyscallDesc("setgid", unimplementedFunc),
/* 47 */ SyscallDesc("getgid", getgidFunc),
/* 48 */ SyscallDesc("unused#48", unimplementedFunc),
/* 49 */ SyscallDesc("geteuid", geteuidFunc),
/* 50 */ SyscallDesc("getegid", getegidFunc),
/* 51 */ SyscallDesc("acct", unimplementedFunc),
/* 52 */ SyscallDesc("umount2", unimplementedFunc),
/* 53 */ SyscallDesc("unused#53", unimplementedFunc),
/* 54 */ SyscallDesc("ioctl", ioctlFunc<ArmLinux>),
/* 55 */ SyscallDesc("fcntl", fcntlFunc),
/* 56 */ SyscallDesc("unused#56", unimplementedFunc),
/* 57 */ SyscallDesc("setpgid", unimplementedFunc),
/* 58 */ SyscallDesc("unused#58", unimplementedFunc),
/* 59 */ SyscallDesc("unused#59", unimplementedFunc),
/* 60 */ SyscallDesc("umask", unimplementedFunc),
/* 61 */ SyscallDesc("chroot", unimplementedFunc),
/* 62 */ SyscallDesc("ustat", unimplementedFunc),
/* 63 */ SyscallDesc("dup2", unimplementedFunc),
/* 64 */ SyscallDesc("getppid", getppidFunc),
/* 65 */ SyscallDesc("getpgrp", unimplementedFunc),
/* 66 */ SyscallDesc("setsid", unimplementedFunc),
/* 67 */ SyscallDesc("sigaction",unimplementedFunc),
/* 68 */ SyscallDesc("unused#68", unimplementedFunc),
/* 69 */ SyscallDesc("unused#69", unimplementedFunc),
/* 70 */ SyscallDesc("setreuid", unimplementedFunc),
/* 71 */ SyscallDesc("setregid", unimplementedFunc),
/* 72 */ SyscallDesc("sigsuspend", unimplementedFunc),
/* 73 */ SyscallDesc("sigpending", unimplementedFunc),
/* 74 */ SyscallDesc("sethostname", ignoreFunc),
/* 75 */ SyscallDesc("setrlimit", ignoreFunc),
/* 76 */ SyscallDesc("getrlimit", unimplementedFunc),
/* 77 */ SyscallDesc("getrusage", getrusageFunc<ArmLinux>),
/* 78 */ SyscallDesc("gettimeofday", gettimeofdayFunc<ArmLinux>),
/* 79 */ SyscallDesc("settimeofday", unimplementedFunc),
/* 80 */ SyscallDesc("getgroups", unimplementedFunc),
/* 81 */ SyscallDesc("setgroups", unimplementedFunc),
/* 82 */ SyscallDesc("reserved#82", unimplementedFunc),
/* 83 */ SyscallDesc("symlink", unimplementedFunc),
/* 84 */ SyscallDesc("unused#84", unimplementedFunc),
/* 85 */ SyscallDesc("readlink", readlinkFunc),
/* 86 */ SyscallDesc("uselib", unimplementedFunc),
/* 87 */ SyscallDesc("swapon", unimplementedFunc),
/* 88 */ SyscallDesc("reboot", unimplementedFunc),
/* 89 */ SyscallDesc("readdir", unimplementedFunc),
/* 90 */ SyscallDesc("mmap", mmapFunc<ArmLinux>),
/* 91 */ SyscallDesc("munmap", munmapFunc),
/* 92 */ SyscallDesc("truncate", truncateFunc),
/* 93 */ SyscallDesc("ftruncate", ftruncateFunc),
/* 94 */ SyscallDesc("fchmod", unimplementedFunc),
/* 95 */ SyscallDesc("fchown", unimplementedFunc),
/* 96 */ SyscallDesc("getpriority", unimplementedFunc),
/* 97 */ SyscallDesc("setpriority", unimplementedFunc),
/* 98 */ SyscallDesc("unused#98", unimplementedFunc),
/* 99 */ SyscallDesc("statfs", unimplementedFunc),
/* 100 */ SyscallDesc("fstatfs", unimplementedFunc),
/* 101 */ SyscallDesc("unused#101", unimplementedFunc),
/* 102 */ SyscallDesc("socketcall", unimplementedFunc),
/* 103 */ SyscallDesc("syslog", unimplementedFunc),
/* 104 */ SyscallDesc("setitimer", unimplementedFunc),
/* 105 */ SyscallDesc("getitimer", unimplementedFunc),
/* 106 */ SyscallDesc("stat", statFunc<ArmLinux>),
/* 107 */ SyscallDesc("lstat", unimplementedFunc),
/* 108 */ SyscallDesc("fstat", fstatFunc<ArmLinux>),
/* 109 */ SyscallDesc("unused#109", unimplementedFunc),
/* 110 */ SyscallDesc("unused#101", unimplementedFunc),
/* 111 */ SyscallDesc("vhangup", unimplementedFunc),
/* 112 */ SyscallDesc("unused#112", unimplementedFunc),
/* 113 */ SyscallDesc("syscall", unimplementedFunc),
/* 114 */ SyscallDesc("wait4", unimplementedFunc),
/* 115 */ SyscallDesc("swapoff", unimplementedFunc),
/* 116 */ SyscallDesc("sysinfo", sysinfoFunc<ArmLinux>),
/* 117 */ SyscallDesc("ipc", unimplementedFunc),
/* 118 */ SyscallDesc("fsync", unimplementedFunc),
/* 119 */ SyscallDesc("sigreturn", unimplementedFunc),
/* 120 */ SyscallDesc("clone", cloneFunc),
/* 121 */ SyscallDesc("setdomainname", unimplementedFunc),
/* 122 */ SyscallDesc("uname", unameFunc),
/* 123 */ SyscallDesc("unused#123", unimplementedFunc),
/* 124 */ SyscallDesc("adjtimex", unimplementedFunc),
/* 125 */ SyscallDesc("mprotect", ignoreFunc),
/* 126 */ SyscallDesc("sigprocmask", unimplementedFunc),
/* 127 */ SyscallDesc("unused#127", unimplementedFunc),
/* 128 */ SyscallDesc("init_module", unimplementedFunc),
/* 129 */ SyscallDesc("delete_module", unimplementedFunc),
/* 130 */ SyscallDesc("unused#130", unimplementedFunc),
/* 131 */ SyscallDesc("quotactl", unimplementedFunc),
/* 132 */ SyscallDesc("getpgid", unimplementedFunc),
/* 133 */ SyscallDesc("fchdir", unimplementedFunc),
/* 134 */ SyscallDesc("bdflush", unimplementedFunc),
/* 135 */ SyscallDesc("sysfs", unimplementedFunc),
/* 136 */ SyscallDesc("personality", unimplementedFunc),
/* 137 */ SyscallDesc("reserved#138", unimplementedFunc),
/* 138 */ SyscallDesc("setfsuid", unimplementedFunc),
/* 139 */ SyscallDesc("setfsgid", unimplementedFunc),
/* 140 */ SyscallDesc("llseek", _llseekFunc),
/* 141 */ SyscallDesc("getdents", unimplementedFunc),
/* 142 */ SyscallDesc("newselect", unimplementedFunc),
/* 143 */ SyscallDesc("flock", unimplementedFunc),
/* 144 */ SyscallDesc("msync", unimplementedFunc),
/* 145 */ SyscallDesc("readv", unimplementedFunc),
/* 146 */ SyscallDesc("writev", writevFunc<ArmLinux>),
/* 147 */ SyscallDesc("getsid", unimplementedFunc),
/* 148 */ SyscallDesc("fdatasync", unimplementedFunc),
/* 149 */ SyscallDesc("sysctl", unimplementedFunc),
/* 150 */ SyscallDesc("mlock", unimplementedFunc),
/* 151 */ SyscallDesc("munlock", unimplementedFunc),
/* 152 */ SyscallDesc("mlockall", unimplementedFunc),
/* 153 */ SyscallDesc("munlockall", unimplementedFunc),
/* 154 */ SyscallDesc("sched_setparam", unimplementedFunc),
/* 155 */ SyscallDesc("sched_getparam", unimplementedFunc),
/* 156 */ SyscallDesc("sched_setscheduler", unimplementedFunc),
/* 157 */ SyscallDesc("sched_getscheduler", unimplementedFunc),
/* 158 */ SyscallDesc("sched_yield", unimplementedFunc),
/* 159 */ SyscallDesc("sched_get_priority_max", unimplementedFunc),
/* 160 */ SyscallDesc("sched_get_priority_min", unimplementedFunc),
/* 161 */ SyscallDesc("sched_rr_get_interval", unimplementedFunc),
/* 162 */ SyscallDesc("nanosleep", ignoreWarnOnceFunc),
/* 163 */ SyscallDesc("mremap", mremapFunc<ArmLinux>), // ARM-specific
/* 164 */ SyscallDesc("setresuid", unimplementedFunc),
/* 165 */ SyscallDesc("getresuid", unimplementedFunc),
/* 166 */ SyscallDesc("unused#166", unimplementedFunc),
/* 167 */ SyscallDesc("unused#167", unimplementedFunc),
/* 168 */ SyscallDesc("poll", unimplementedFunc),
/* 169 */ SyscallDesc("nfsservctl", unimplementedFunc),
/* 170 */ SyscallDesc("setresgid", unimplementedFunc),
/* 171 */ SyscallDesc("getresgid", unimplementedFunc),
/* 172 */ SyscallDesc("prctl", unimplementedFunc),
/* 173 */ SyscallDesc("rt_sigreturn", unimplementedFunc),
/* 174 */ SyscallDesc("rt_sigaction", ignoreWarnOnceFunc),
/* 175 */ SyscallDesc("rt_sigprocmask", ignoreWarnOnceFunc),
/* 176 */ SyscallDesc("rt_sigpending", unimplementedFunc),
/* 177 */ SyscallDesc("rt_sigtimedwait", unimplementedFunc),
/* 178 */ SyscallDesc("rt_sigqueueinfo", ignoreFunc),
/* 179 */ SyscallDesc("rt_sigsuspend", unimplementedFunc),
/* 180 */ SyscallDesc("pread64", unimplementedFunc),
/* 181 */ SyscallDesc("pwrite64", unimplementedFunc),
/* 182 */ SyscallDesc("chown", unimplementedFunc),
/* 183 */ SyscallDesc("getcwd", getcwdFunc),
/* 184 */ SyscallDesc("capget", unimplementedFunc),
/* 185 */ SyscallDesc("capset", unimplementedFunc),
/* 186 */ SyscallDesc("sigaltstack", unimplementedFunc),
/* 187 */ SyscallDesc("sendfile", unimplementedFunc),
/* 188 */ SyscallDesc("unused#188", unimplementedFunc),
/* 189 */ SyscallDesc("unused#189", unimplementedFunc),
/* 190 */ SyscallDesc("vfork", unimplementedFunc),
/* 191 */ SyscallDesc("getrlimit", getrlimitFunc<ArmLinux>),
/* 192 */ SyscallDesc("mmap2", mmapFunc<ArmLinux>),
/* 193 */ SyscallDesc("truncate64", unimplementedFunc),
/* 194 */ SyscallDesc("ftruncate64", ftruncate64Func),
/* 195 */ SyscallDesc("stat64", stat64Func<ArmLinux>),
/* 196 */ SyscallDesc("lstat64", lstat64Func<ArmLinux>),
/* 197 */ SyscallDesc("fstat64", fstat64Func<ArmLinux>),
/* 198 */ SyscallDesc("lchown", unimplementedFunc),
/* 199 */ SyscallDesc("getuid", getuidFunc),
/* 200 */ SyscallDesc("getgid", getgidFunc),
/* 201 */ SyscallDesc("geteuid", geteuidFunc),
/* 202 */ SyscallDesc("getegid", getegidFunc),
/* 203 */ SyscallDesc("setreuid", unimplementedFunc),
/* 204 */ SyscallDesc("setregid", unimplementedFunc),
/* 205 */ SyscallDesc("getgroups", unimplementedFunc),
/* 206 */ SyscallDesc("setgroups", unimplementedFunc),
/* 207 */ SyscallDesc("fchown", unimplementedFunc),
/* 208 */ SyscallDesc("setresuid", unimplementedFunc),
/* 209 */ SyscallDesc("getresuid", unimplementedFunc),
/* 210 */ SyscallDesc("setresgid", unimplementedFunc),
/* 211 */ SyscallDesc("getresgid", unimplementedFunc),
/* 212 */ SyscallDesc("chown", unimplementedFunc),
/* 213 */ SyscallDesc("setuid", unimplementedFunc),
/* 214 */ SyscallDesc("setgid", unimplementedFunc),
/* 215 */ SyscallDesc("setfsuid", unimplementedFunc),
/* 216 */ SyscallDesc("setfsgid", unimplementedFunc),
/* 217 */ SyscallDesc("getdents64", unimplementedFunc),
/* 218 */ SyscallDesc("pivot_root", unimplementedFunc),
/* 219 */ SyscallDesc("mincore", unimplementedFunc),
/* 220 */ SyscallDesc("madvise", unimplementedFunc),
/* 221 */ SyscallDesc("fcntl64", fcntl64Func),
/* 222 */ SyscallDesc("unused#222", unimplementedFunc),
/* 223 */ SyscallDesc("unknown#223", unimplementedFunc),
/* 224 */ SyscallDesc("gettid", unimplementedFunc),
/* 225 */ SyscallDesc("readahead", unimplementedFunc),
/* 226 */ SyscallDesc("setxattr", unimplementedFunc),
/* 227 */ SyscallDesc("lsetxattr", unimplementedFunc),
/* 228 */ SyscallDesc("fsetxattr", unimplementedFunc),
/* 229 */ SyscallDesc("getxattr", unimplementedFunc),
/* 230 */ SyscallDesc("lgetxattr", unimplementedFunc),
/* 231 */ SyscallDesc("fgetxattr", unimplementedFunc),
/* 232 */ SyscallDesc("listxattr", unimplementedFunc),
/* 233 */ SyscallDesc("llistxattr", unimplementedFunc),
/* 234 */ SyscallDesc("flistxattr", unimplementedFunc),
/* 235 */ SyscallDesc("removexattr", unimplementedFunc),
/* 236 */ SyscallDesc("lremovexattr", unimplementedFunc),
/* 237 */ SyscallDesc("fremovexattr", unimplementedFunc),
/* 238 */ SyscallDesc("tkill", unimplementedFunc),
/* 239 */ SyscallDesc("sendfile64", unimplementedFunc),
/* 240 */ SyscallDesc("futex", ignoreWarnOnceFunc),
/* 241 */ SyscallDesc("sched_setaffinity", unimplementedFunc),
/* 242 */ SyscallDesc("sched_getaffinity", unimplementedFunc),
/* 243 */ SyscallDesc("io_setup", unimplementedFunc),
/* 244 */ SyscallDesc("io_destory", unimplementedFunc),
/* 245 */ SyscallDesc("io_getevents", unimplementedFunc),
/* 246 */ SyscallDesc("io_submit", unimplementedFunc),
/* 247 */ SyscallDesc("io_cancel", unimplementedFunc),
/* 248 */ SyscallDesc("exit_group", exitGroupFunc),
/* 249 */ SyscallDesc("lookup_dcookie", unimplementedFunc),
/* 250 */ SyscallDesc("epoll_create", unimplementedFunc),
/* 251 */ SyscallDesc("epoll_ctl", unimplementedFunc),
/* 252 */ SyscallDesc("epoll_wait", unimplementedFunc),
/* 253 */ SyscallDesc("remap_file_pages", unimplementedFunc),
/* 254 */ SyscallDesc("unused#254", unimplementedFunc),
/* 255 */ SyscallDesc("unused#255", unimplementedFunc),
/* 256 */ SyscallDesc("set_tid_address", unimplementedFunc),
/* 257 */ SyscallDesc("timer_create", unimplementedFunc),
/* 258 */ SyscallDesc("timer_settime", unimplementedFunc),
/* 259 */ SyscallDesc("timer_gettime", unimplementedFunc),
/* 260 */ SyscallDesc("timer_getoverrun", unimplementedFunc),
/* 261 */ SyscallDesc("timer_delete", unimplementedFunc),
/* 262 */ SyscallDesc("clock_settime", unimplementedFunc),
/* 263 */ SyscallDesc("clock_gettime", unimplementedFunc),
/* 264 */ SyscallDesc("clock_getres", unimplementedFunc),
/* 265 */ SyscallDesc("clock_nanosleep", unimplementedFunc),
/* 266 */ SyscallDesc("statfs64", unimplementedFunc),
/* 267 */ SyscallDesc("fstatfs64", unimplementedFunc),
/* 268 */ SyscallDesc("tgkill", unimplementedFunc),
/* 269 */ SyscallDesc("utimes", unimplementedFunc),
/* 270 */ SyscallDesc("arm_fadvise64_64", unimplementedFunc),
/* 271 */ SyscallDesc("pciconfig_iobase", unimplementedFunc),
/* 272 */ SyscallDesc("pciconfig_read", unimplementedFunc),
/* 273 */ SyscallDesc("pciconfig_write", unimplementedFunc),
/* 274 */ SyscallDesc("mq_open", unimplementedFunc),
/* 275 */ SyscallDesc("mq_unlink", unimplementedFunc),
/* 276 */ SyscallDesc("mq_timedsend", unimplementedFunc),
/* 277 */ SyscallDesc("mq_timedreceive", unimplementedFunc),
/* 278 */ SyscallDesc("mq_notify", unimplementedFunc),
/* 279 */ SyscallDesc("mq_getsetattr", unimplementedFunc),
/* 280 */ SyscallDesc("waitid", unimplementedFunc),
/* 281 */ SyscallDesc("socket", unimplementedFunc),
/* 282 */ SyscallDesc("bind", unimplementedFunc),
/* 283 */ SyscallDesc("connect", unimplementedFunc),
/* 284 */ SyscallDesc("listen", unimplementedFunc),
/* 285 */ SyscallDesc("accept", unimplementedFunc),
/* 286 */ SyscallDesc("getsockname", unimplementedFunc),
/* 287 */ SyscallDesc("getpeername", unimplementedFunc),
/* 288 */ SyscallDesc("socketpair", unimplementedFunc),
/* 289 */ SyscallDesc("send", unimplementedFunc),
/* 290 */ SyscallDesc("sendto", unimplementedFunc),
/* 291 */ SyscallDesc("recv", unimplementedFunc),
/* 292 */ SyscallDesc("recvfrom", unimplementedFunc),
/* 293 */ SyscallDesc("shutdown", unimplementedFunc),
/* 294 */ SyscallDesc("setsockopt", unimplementedFunc),
/* 295 */ SyscallDesc("getsockopt", unimplementedFunc),
/* 296 */ SyscallDesc("sendmsg", unimplementedFunc),
/* 297 */ SyscallDesc("rcvmsg", unimplementedFunc),
/* 298 */ SyscallDesc("semop", unimplementedFunc),
/* 299 */ SyscallDesc("semget", unimplementedFunc),
/* 300 */ SyscallDesc("semctl", unimplementedFunc),
/* 301 */ SyscallDesc("msgsend", unimplementedFunc),
/* 302 */ SyscallDesc("msgrcv", unimplementedFunc),
/* 303 */ SyscallDesc("msgget", unimplementedFunc),
/* 304 */ SyscallDesc("msgctl", unimplementedFunc),
/* 305 */ SyscallDesc("shmat", unimplementedFunc),
/* 306 */ SyscallDesc("shmdt", unimplementedFunc),
/* 307 */ SyscallDesc("shmget", unimplementedFunc),
/* 308 */ SyscallDesc("shmctl", unimplementedFunc),
/* 309 */ SyscallDesc("add_key", unimplementedFunc),
/* 310 */ SyscallDesc("request_key", unimplementedFunc),
/* 311 */ SyscallDesc("keyctl", unimplementedFunc),
/* 312 */ SyscallDesc("semtimedop", unimplementedFunc),
/* 313 */ SyscallDesc("unused#313", unimplementedFunc),
/* 314 */ SyscallDesc("ioprio_set", unimplementedFunc),
/* 315 */ SyscallDesc("ioprio_get", unimplementedFunc),
/* 316 */ SyscallDesc("inotify_init", unimplementedFunc),
/* 317 */ SyscallDesc("inotify_add_watch", unimplementedFunc),
/* 318 */ SyscallDesc("inotify_rm_watch", unimplementedFunc),
/* 319 */ SyscallDesc("mbind", unimplementedFunc),
/* 320 */ SyscallDesc("get_mempolicy", unimplementedFunc),
/* 321 */ SyscallDesc("set_mempolicy", unimplementedFunc),
/* 322 */ SyscallDesc("openat", unimplementedFunc),
/* 323 */ SyscallDesc("mkdirat", unimplementedFunc),
/* 324 */ SyscallDesc("mknodat", unimplementedFunc),
/* 325 */ SyscallDesc("fchownat", unimplementedFunc),
/* 326 */ SyscallDesc("futimesat", unimplementedFunc),
/* 327 */ SyscallDesc("fstatat64", unimplementedFunc),
/* 328 */ SyscallDesc("unlinkat", unimplementedFunc),
/* 329 */ SyscallDesc("renameat", unimplementedFunc),
/* 330 */ SyscallDesc("linkat", unimplementedFunc),
/* 331 */ SyscallDesc("symlinkat", unimplementedFunc),
/* 332 */ SyscallDesc("readlinkat", unimplementedFunc),
/* 333 */ SyscallDesc("fchmodat", unimplementedFunc),
/* 334 */ SyscallDesc("faccessat", unimplementedFunc),
/* 335 */ SyscallDesc("pselect6", unimplementedFunc),
/* 336 */ SyscallDesc("ppoll", unimplementedFunc),
/* 337 */ SyscallDesc("unshare", unimplementedFunc),
/* 338 */ SyscallDesc("set_robust_list", unimplementedFunc),
/* 339 */ SyscallDesc("get_robust_list", unimplementedFunc),
/* 340 */ SyscallDesc("splice", unimplementedFunc),
/* 341 */ SyscallDesc("arm_sync_file_range", unimplementedFunc),
/* 342 */ SyscallDesc("tee", unimplementedFunc),
/* 343 */ SyscallDesc("vmsplice", unimplementedFunc),
/* 344 */ SyscallDesc("move_pages", unimplementedFunc),
/* 345 */ SyscallDesc("getcpu", unimplementedFunc),
/* 346 */ SyscallDesc("epoll_pwait", unimplementedFunc),
/* 347 */ SyscallDesc("sys_kexec_load", unimplementedFunc),
/* 348 */ SyscallDesc("sys_utimensat", unimplementedFunc),
/* 349 */ SyscallDesc("sys_signalfd", unimplementedFunc),
/* 350 */ SyscallDesc("sys_timerfd_create", unimplementedFunc),
/* 351 */ SyscallDesc("sys_eventfd", unimplementedFunc),
/* 352 */ SyscallDesc("sys_fallocate", unimplementedFunc),
/* 353 */ SyscallDesc("sys_timerfd_settime", unimplementedFunc),
/* 354 */ SyscallDesc("sys_timerfd_gettime", unimplementedFunc),
/* 355 */ SyscallDesc("sys_signalfd4", unimplementedFunc),
/* 356 */ SyscallDesc("sys_eventfd2", unimplementedFunc),
/* 357 */ SyscallDesc("sys_epoll_create1", unimplementedFunc),
/* 358 */ SyscallDesc("sys_dup3", unimplementedFunc),
/* 359 */ SyscallDesc("sys_pipe2", unimplementedFunc),
/* 360 */ SyscallDesc("sys_inotify_init1", unimplementedFunc),
/* 361 */ SyscallDesc("sys_preadv", unimplementedFunc),
/* 362 */ SyscallDesc("sys_pwritev", unimplementedFunc),
/* 363 */ SyscallDesc("sys_rt_tgsigqueueinfo", unimplementedFunc),
/* 364 */ SyscallDesc("sys_perf_event_open", unimplementedFunc),
/* 365 */ SyscallDesc("sys_recvmmsg", unimplementedFunc),
};
/// Target set_tls() handler.
static SyscallReturn
setTLSFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
ThreadContext *tc)
{
int index = 0;
uint32_t tlsPtr = process->getSyscallArg(tc, index);
tc->getMemPort()->writeBlob(ArmLinuxProcess::commPage + 0x0ff0,
(uint8_t *)&tlsPtr, sizeof(tlsPtr));
tc->setMiscReg(MISCREG_TPIDRURO,tlsPtr);
return 0;
}
SyscallDesc ArmLinuxProcess::privSyscallDescs[] = {
/* 1 */ SyscallDesc("breakpoint", unimplementedFunc),
/* 2 */ SyscallDesc("cacheflush", unimplementedFunc),
/* 3 */ SyscallDesc("usr26", unimplementedFunc),
/* 4 */ SyscallDesc("usr32", unimplementedFunc),
/* 5 */ SyscallDesc("set_tls", setTLSFunc)
};
ArmLinuxProcess::ArmLinuxProcess(LiveProcessParams * params,
ObjectFile *objFile, ObjectFile::Arch _arch)
: ArmLiveProcess(params, objFile, _arch),
Num_Syscall_Descs(sizeof(syscallDescs) / sizeof(SyscallDesc)),
Num_Priv_Syscall_Descs(sizeof(privSyscallDescs) / sizeof(SyscallDesc))
{ }
const Addr ArmLinuxProcess::commPage = 0xffff0000;
SyscallDesc*
ArmLinuxProcess::getDesc(int callnum)
{
// Angel SWI syscalls are unsupported in this release
if (callnum == 0x123456) {
panic("Attempt to execute an ANGEL_SWI system call (newlib-related)");
} else if ((callnum & 0x00f00000) == 0x00900000 ||
(callnum & 0xf0000) == 0xf0000) {
callnum &= 0x000fffff;
if ((callnum & 0x0f0000) == 0xf0000) {
callnum -= 0x0f0001;
if (callnum < 0 || callnum > Num_Priv_Syscall_Descs)
return NULL;
return &privSyscallDescs[callnum];
}
}
// Linux syscalls have to strip off the 0x00900000
if (callnum < 0 || callnum > Num_Syscall_Descs)
return NULL;
return &syscallDescs[callnum];
}
void
ArmLinuxProcess::initState()
{
ArmLiveProcess::initState();
pTable->allocate(commPage, PageBytes);
ThreadContext *tc = system->getThreadContext(contextIds[0]);
uint8_t swiNeg1[] = {
0xff, 0xff, 0xff, 0xef // swi -1
};
// Fill this page with swi -1 so we'll no if we land in it somewhere.
for (Addr addr = 0; addr < PageBytes; addr += sizeof(swiNeg1)) {
tc->getMemPort()->writeBlob(commPage + addr,
swiNeg1, sizeof(swiNeg1));
}
uint8_t memory_barrier[] =
{
0x5f, 0xf0, 0x7f, 0xf5, // dmb
0x0e, 0xf0, 0xa0, 0xe1 // return
};
tc->getMemPort()->writeBlob(commPage + 0x0fa0, memory_barrier,
sizeof(memory_barrier));
uint8_t cmpxchg[] =
{
0x9f, 0x3f, 0x92, 0xe1, // ldrex r3, [r2]
0x00, 0x30, 0x53, 0xe0, // subs r3, r3, r0
0x91, 0x3f, 0x82, 0x01, // strexeq r3, r1, [r2]
0x01, 0x00, 0x33, 0x03, // teqeq r3, #1
0xfa, 0xff, 0xff, 0x0a, // beq 1b
0x00, 0x00, 0x73, 0xe2, // rsbs r0, r3, #0
0x5f, 0xf0, 0x7f, 0xf5, // dmb
0x0e, 0xf0, 0xa0, 0xe1 // return
};
tc->getMemPort()->writeBlob(commPage + 0x0fc0, cmpxchg, sizeof(cmpxchg));
uint8_t get_tls[] =
{
// read user read-only thread id register
0x70, 0x0f, 0x1d, 0xee, // mrc p15, 0, r0, c13, c0, 3
0x0e, 0xf0, 0xa0, 0xe1 // return
};
tc->getMemPort()->writeBlob(commPage + 0x0fe0, get_tls, sizeof(get_tls));
}
ArmISA::IntReg
ArmLinuxProcess::getSyscallArg(ThreadContext *tc, int &i)
{
// Linux apparently allows more parameter than the ABI says it should.
// This limit may need to be increased even further.
assert(i < 6);
return tc->readIntReg(ArgumentReg0 + i++);
}
void
ArmLinuxProcess::setSyscallArg(ThreadContext *tc, int i, ArmISA::IntReg val)
{
// Linux apparently allows more parameter than the ABI says it should.
// This limit may need to be increased even further.
assert(i < 6);
tc->setIntReg(ArgumentReg0 + i, val);
}