ARM: fix sizes of structs for ARM Linux
[gem5.git] / src / arch / arm / linux / process.cc
1 /*
2 * Copyright (c) 2010 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: Korey Sewell
42 * Stephen Hines
43 * Ali Saidi
44 */
45
46 #include "arch/arm/linux/linux.hh"
47 #include "arch/arm/linux/process.hh"
48 #include "arch/arm/isa_traits.hh"
49
50 #include "base/trace.hh"
51 #include "cpu/thread_context.hh"
52 #include "kern/linux/linux.hh"
53
54 #include "sim/process.hh"
55 #include "sim/syscall_emul.hh"
56 #include "sim/system.hh"
57
58 using namespace std;
59 using namespace ArmISA;
60
61 /// Target uname() handler.
62 static SyscallReturn
63 unameFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
64 ThreadContext *tc)
65 {
66 int index = 0;
67 TypedBufferArg<Linux::utsname> name(process->getSyscallArg(tc, index));
68
69 strcpy(name->sysname, "Linux");
70 strcpy(name->nodename, "m5.eecs.umich.edu");
71 strcpy(name->release, "2.6.29");
72 strcpy(name->version, "#1 Mon Aug 18 11:32:15 EDT 2003");
73 strcpy(name->machine, "armv7l");
74
75 name.copyOut(tc->getMemPort());
76 return 0;
77 }
78
79 SyscallDesc ArmLinuxProcess::syscallDescs[] = {
80 /* 0 */ SyscallDesc("syscall", unimplementedFunc),
81 /* 1 */ SyscallDesc("exit", exitFunc),
82 /* 2 */ SyscallDesc("fork", unimplementedFunc),
83 /* 3 */ SyscallDesc("read", readFunc),
84 /* 4 */ SyscallDesc("write", writeFunc),
85 /* 5 */ SyscallDesc("open", openFunc<ArmLinux>),
86 /* 6 */ SyscallDesc("close", closeFunc),
87 /* 7 */ SyscallDesc("unused#7", unimplementedFunc),
88 /* 8 */ SyscallDesc("creat", unimplementedFunc),
89 /* 9 */ SyscallDesc("link", unimplementedFunc),
90 /* 10 */ SyscallDesc("unlink", unlinkFunc),
91 /* 11 */ SyscallDesc("execve", unimplementedFunc),
92 /* 12 */ SyscallDesc("chdir", unimplementedFunc),
93 /* 13 */ SyscallDesc("time", timeFunc<ArmLinux>),
94 /* 14 */ SyscallDesc("mknod", unimplementedFunc),
95 /* 15 */ SyscallDesc("chmod", chmodFunc<ArmLinux>),
96 /* 16 */ SyscallDesc("lchown", chownFunc),
97 /* 17 */ SyscallDesc("unused#17", unimplementedFunc),
98 /* 18 */ SyscallDesc("unused#18", unimplementedFunc),
99 /* 19 */ SyscallDesc("lseek", lseekFunc),
100 /* 20 */ SyscallDesc("getpid", getpidFunc),
101 /* 21 */ SyscallDesc("mount", unimplementedFunc),
102 /* 22 */ SyscallDesc("umount", unimplementedFunc),
103 /* 23 */ SyscallDesc("setuid", setuidFunc),
104 /* 24 */ SyscallDesc("getuid", getuidFunc),
105 /* 25 */ SyscallDesc("stime", unimplementedFunc),
106 /* 26 */ SyscallDesc("ptrace", unimplementedFunc),
107 /* 27 */ SyscallDesc("alarm", unimplementedFunc),
108 /* 28 */ SyscallDesc("unused#28", unimplementedFunc),
109 /* 29 */ SyscallDesc("pause", unimplementedFunc),
110 /* 30 */ SyscallDesc("utime", unimplementedFunc),
111 /* 31 */ SyscallDesc("unused#31", unimplementedFunc),
112 /* 32 */ SyscallDesc("unused#32", unimplementedFunc),
113 /* 33 */ SyscallDesc("access", unimplementedFunc),
114 /* 34 */ SyscallDesc("nice", unimplementedFunc),
115 /* 35 */ SyscallDesc("unused#35", unimplementedFunc),
116 /* 36 */ SyscallDesc("sync", unimplementedFunc),
117 /* 37 */ SyscallDesc("kill", ignoreFunc),
118 /* 38 */ SyscallDesc("rename", renameFunc),
119 /* 39 */ SyscallDesc("mkdir", mkdirFunc),
120 /* 40 */ SyscallDesc("rmdir", unimplementedFunc),
121 /* 41 */ SyscallDesc("dup", dupFunc),
122 /* 42 */ SyscallDesc("pipe", pipePseudoFunc),
123 /* 43 */ SyscallDesc("times", timesFunc<ArmLinux>),
124 /* 44 */ SyscallDesc("unused#44", unimplementedFunc),
125 /* 45 */ SyscallDesc("brk", brkFunc),
126 /* 46 */ SyscallDesc("setgid", unimplementedFunc),
127 /* 47 */ SyscallDesc("getgid", getgidFunc),
128 /* 48 */ SyscallDesc("unused#48", unimplementedFunc),
129 /* 49 */ SyscallDesc("geteuid", geteuidFunc),
130 /* 50 */ SyscallDesc("getegid", getegidFunc),
131 /* 51 */ SyscallDesc("acct", unimplementedFunc),
132 /* 52 */ SyscallDesc("umount2", unimplementedFunc),
133 /* 53 */ SyscallDesc("unused#53", unimplementedFunc),
134 /* 54 */ SyscallDesc("ioctl", ioctlFunc<ArmLinux>),
135 /* 55 */ SyscallDesc("fcntl", fcntlFunc),
136 /* 56 */ SyscallDesc("unused#56", unimplementedFunc),
137 /* 57 */ SyscallDesc("setpgid", unimplementedFunc),
138 /* 58 */ SyscallDesc("unused#58", unimplementedFunc),
139 /* 59 */ SyscallDesc("unused#59", unimplementedFunc),
140 /* 60 */ SyscallDesc("umask", unimplementedFunc),
141 /* 61 */ SyscallDesc("chroot", unimplementedFunc),
142 /* 62 */ SyscallDesc("ustat", unimplementedFunc),
143 /* 63 */ SyscallDesc("dup2", unimplementedFunc),
144 /* 64 */ SyscallDesc("getppid", getppidFunc),
145 /* 65 */ SyscallDesc("getpgrp", unimplementedFunc),
146 /* 66 */ SyscallDesc("setsid", unimplementedFunc),
147 /* 67 */ SyscallDesc("sigaction",unimplementedFunc),
148 /* 68 */ SyscallDesc("unused#68", unimplementedFunc),
149 /* 69 */ SyscallDesc("unused#69", unimplementedFunc),
150 /* 70 */ SyscallDesc("setreuid", unimplementedFunc),
151 /* 71 */ SyscallDesc("setregid", unimplementedFunc),
152 /* 72 */ SyscallDesc("sigsuspend", unimplementedFunc),
153 /* 73 */ SyscallDesc("sigpending", unimplementedFunc),
154 /* 74 */ SyscallDesc("sethostname", ignoreFunc),
155 /* 75 */ SyscallDesc("setrlimit", unimplementedFunc),
156 /* 76 */ SyscallDesc("getrlimit", unimplementedFunc),
157 /* 77 */ SyscallDesc("getrusage", getrusageFunc<ArmLinux>),
158 /* 78 */ SyscallDesc("gettimeofday", gettimeofdayFunc<ArmLinux>),
159 /* 79 */ SyscallDesc("settimeofday", unimplementedFunc),
160 /* 80 */ SyscallDesc("getgroups", unimplementedFunc),
161 /* 81 */ SyscallDesc("setgroups", unimplementedFunc),
162 /* 82 */ SyscallDesc("reserved#82", unimplementedFunc),
163 /* 83 */ SyscallDesc("symlink", unimplementedFunc),
164 /* 84 */ SyscallDesc("unused#84", unimplementedFunc),
165 /* 85 */ SyscallDesc("readlink", readlinkFunc),
166 /* 86 */ SyscallDesc("uselib", unimplementedFunc),
167 /* 87 */ SyscallDesc("swapon", unimplementedFunc),
168 /* 88 */ SyscallDesc("reboot", unimplementedFunc),
169 /* 89 */ SyscallDesc("readdir", unimplementedFunc),
170 /* 90 */ SyscallDesc("mmap", mmapFunc<ArmLinux>),
171 /* 91 */ SyscallDesc("munmap", munmapFunc),
172 /* 92 */ SyscallDesc("truncate", truncateFunc),
173 /* 93 */ SyscallDesc("ftruncate", ftruncateFunc),
174 /* 94 */ SyscallDesc("fchmod", unimplementedFunc),
175 /* 95 */ SyscallDesc("fchown", unimplementedFunc),
176 /* 96 */ SyscallDesc("getpriority", unimplementedFunc),
177 /* 97 */ SyscallDesc("setpriority", unimplementedFunc),
178 /* 98 */ SyscallDesc("unused#98", unimplementedFunc),
179 /* 99 */ SyscallDesc("statfs", unimplementedFunc),
180 /* 100 */ SyscallDesc("fstatfs", unimplementedFunc),
181 /* 101 */ SyscallDesc("unused#101", unimplementedFunc),
182 /* 102 */ SyscallDesc("socketcall", unimplementedFunc),
183 /* 103 */ SyscallDesc("syslog", unimplementedFunc),
184 /* 104 */ SyscallDesc("setitimer", unimplementedFunc),
185 /* 105 */ SyscallDesc("getitimer", unimplementedFunc),
186 /* 106 */ SyscallDesc("stat", statFunc<ArmLinux>),
187 /* 107 */ SyscallDesc("lstat", unimplementedFunc),
188 /* 108 */ SyscallDesc("fstat", fstatFunc<ArmLinux>),
189 /* 109 */ SyscallDesc("unused#109", unimplementedFunc),
190 /* 110 */ SyscallDesc("unused#101", unimplementedFunc),
191 /* 111 */ SyscallDesc("vhangup", unimplementedFunc),
192 /* 112 */ SyscallDesc("unused#112", unimplementedFunc),
193 /* 113 */ SyscallDesc("syscall", unimplementedFunc),
194 /* 114 */ SyscallDesc("wait4", unimplementedFunc),
195 /* 115 */ SyscallDesc("swapoff", unimplementedFunc),
196 /* 116 */ SyscallDesc("sysinfo", sysinfoFunc<ArmLinux>),
197 /* 117 */ SyscallDesc("ipc", unimplementedFunc),
198 /* 118 */ SyscallDesc("fsync", unimplementedFunc),
199 /* 119 */ SyscallDesc("sigreturn", unimplementedFunc),
200 /* 120 */ SyscallDesc("clone", unimplementedFunc),
201 /* 121 */ SyscallDesc("setdomainname", unimplementedFunc),
202 /* 122 */ SyscallDesc("uname", unameFunc),
203 /* 123 */ SyscallDesc("unused#123", unimplementedFunc),
204 /* 124 */ SyscallDesc("adjtimex", unimplementedFunc),
205 /* 125 */ SyscallDesc("mprotect", ignoreFunc),
206 /* 126 */ SyscallDesc("sigprocmask", unimplementedFunc),
207 /* 127 */ SyscallDesc("unused#127", unimplementedFunc),
208 /* 128 */ SyscallDesc("init_module", unimplementedFunc),
209 /* 129 */ SyscallDesc("delete_module", unimplementedFunc),
210 /* 130 */ SyscallDesc("unused#130", unimplementedFunc),
211 /* 131 */ SyscallDesc("quotactl", unimplementedFunc),
212 /* 132 */ SyscallDesc("getpgid", unimplementedFunc),
213 /* 133 */ SyscallDesc("fchdir", unimplementedFunc),
214 /* 134 */ SyscallDesc("bdflush", unimplementedFunc),
215 /* 135 */ SyscallDesc("sysfs", unimplementedFunc),
216 /* 136 */ SyscallDesc("personality", unimplementedFunc),
217 /* 137 */ SyscallDesc("reserved#138", unimplementedFunc),
218 /* 138 */ SyscallDesc("setfsuid", unimplementedFunc),
219 /* 139 */ SyscallDesc("setfsgid", unimplementedFunc),
220 /* 140 */ SyscallDesc("llseek", _llseekFunc),
221 /* 141 */ SyscallDesc("getdents", unimplementedFunc),
222 /* 142 */ SyscallDesc("newselect", unimplementedFunc),
223 /* 143 */ SyscallDesc("flock", unimplementedFunc),
224 /* 144 */ SyscallDesc("msync", unimplementedFunc),
225 /* 145 */ SyscallDesc("readv", unimplementedFunc),
226 /* 146 */ SyscallDesc("writev", writevFunc<ArmLinux>),
227 /* 147 */ SyscallDesc("getsid", unimplementedFunc),
228 /* 148 */ SyscallDesc("fdatasync", unimplementedFunc),
229 /* 149 */ SyscallDesc("sysctl", unimplementedFunc),
230 /* 150 */ SyscallDesc("mlock", unimplementedFunc),
231 /* 151 */ SyscallDesc("munlock", unimplementedFunc),
232 /* 152 */ SyscallDesc("mlockall", unimplementedFunc),
233 /* 153 */ SyscallDesc("munlockall", unimplementedFunc),
234 /* 154 */ SyscallDesc("sched_setparam", unimplementedFunc),
235 /* 155 */ SyscallDesc("sched_getparam", unimplementedFunc),
236 /* 156 */ SyscallDesc("sched_setscheduler", unimplementedFunc),
237 /* 157 */ SyscallDesc("sched_getscheduler", unimplementedFunc),
238 /* 158 */ SyscallDesc("sched_yield", unimplementedFunc),
239 /* 159 */ SyscallDesc("sched_get_priority_max", unimplementedFunc),
240 /* 160 */ SyscallDesc("sched_get_priority_min", unimplementedFunc),
241 /* 161 */ SyscallDesc("sched_rr_get_interval", unimplementedFunc),
242 /* 162 */ SyscallDesc("nanosleep", unimplementedFunc),
243 /* 163 */ SyscallDesc("mremap", mremapFunc<ArmLinux>), // ARM-specific
244 /* 164 */ SyscallDesc("setresuid", unimplementedFunc),
245 /* 165 */ SyscallDesc("getresuid", unimplementedFunc),
246 /* 166 */ SyscallDesc("unused#166", unimplementedFunc),
247 /* 167 */ SyscallDesc("unused#167", unimplementedFunc),
248 /* 168 */ SyscallDesc("poll", unimplementedFunc),
249 /* 169 */ SyscallDesc("nfsservctl", unimplementedFunc),
250 /* 170 */ SyscallDesc("setresgid", unimplementedFunc),
251 /* 171 */ SyscallDesc("getresgid", unimplementedFunc),
252 /* 172 */ SyscallDesc("prctl", unimplementedFunc),
253 /* 173 */ SyscallDesc("rt_sigreturn", unimplementedFunc),
254 /* 174 */ SyscallDesc("rt_sigaction", unimplementedFunc),
255 /* 175 */ SyscallDesc("rt_sigprocmask", unimplementedFunc),
256 /* 176 */ SyscallDesc("rt_sigpending", unimplementedFunc),
257 /* 177 */ SyscallDesc("rt_sigtimedwait", unimplementedFunc),
258 /* 178 */ SyscallDesc("rt_sigqueueinfo", ignoreFunc),
259 /* 179 */ SyscallDesc("rt_sigsuspend", unimplementedFunc),
260 /* 180 */ SyscallDesc("pread64", unimplementedFunc),
261 /* 181 */ SyscallDesc("pwrite64", unimplementedFunc),
262 /* 182 */ SyscallDesc("chown", unimplementedFunc),
263 /* 183 */ SyscallDesc("getcwd", getcwdFunc),
264 /* 184 */ SyscallDesc("capget", unimplementedFunc),
265 /* 185 */ SyscallDesc("capset", unimplementedFunc),
266 /* 186 */ SyscallDesc("sigaltstack", unimplementedFunc),
267 /* 187 */ SyscallDesc("sendfile", unimplementedFunc),
268 /* 188 */ SyscallDesc("unused#188", unimplementedFunc),
269 /* 189 */ SyscallDesc("unused#189", unimplementedFunc),
270 /* 190 */ SyscallDesc("vfork", unimplementedFunc),
271 /* 191 */ SyscallDesc("getrlimit", unimplementedFunc),
272 /* 192 */ SyscallDesc("mmap2", mmapFunc<ArmLinux>),
273 /* 193 */ SyscallDesc("truncate64", unimplementedFunc),
274 /* 194 */ SyscallDesc("ftruncate64", unimplementedFunc),
275 /* 195 */ SyscallDesc("stat64", stat64Func<ArmLinux>),
276 /* 196 */ SyscallDesc("lstat64", lstat64Func<ArmLinux>),
277 /* 197 */ SyscallDesc("fstat64", fstat64Func<ArmLinux>),
278 /* 198 */ SyscallDesc("lchown", unimplementedFunc),
279 /* 199 */ SyscallDesc("getuid", getuidFunc),
280 /* 200 */ SyscallDesc("getgid", getgidFunc),
281 /* 201 */ SyscallDesc("geteuid", geteuidFunc),
282 /* 202 */ SyscallDesc("getegid", getegidFunc),
283 /* 203 */ SyscallDesc("setreuid", unimplementedFunc),
284 /* 204 */ SyscallDesc("setregid", unimplementedFunc),
285 /* 205 */ SyscallDesc("getgroups", unimplementedFunc),
286 /* 206 */ SyscallDesc("setgroups", unimplementedFunc),
287 /* 207 */ SyscallDesc("fchown", unimplementedFunc),
288 /* 208 */ SyscallDesc("setresuid", unimplementedFunc),
289 /* 209 */ SyscallDesc("getresuid", unimplementedFunc),
290 /* 210 */ SyscallDesc("setresgid", unimplementedFunc),
291 /* 211 */ SyscallDesc("getresgid", unimplementedFunc),
292 /* 212 */ SyscallDesc("chown", unimplementedFunc),
293 /* 213 */ SyscallDesc("setuid", unimplementedFunc),
294 /* 214 */ SyscallDesc("setgid", unimplementedFunc),
295 /* 215 */ SyscallDesc("setfsuid", unimplementedFunc),
296 /* 216 */ SyscallDesc("setfsgid", unimplementedFunc),
297 /* 217 */ SyscallDesc("getdents64", unimplementedFunc),
298 /* 218 */ SyscallDesc("pivot_root", unimplementedFunc),
299 /* 219 */ SyscallDesc("mincore", unimplementedFunc),
300 /* 220 */ SyscallDesc("madvise", unimplementedFunc),
301 /* 221 */ SyscallDesc("fcntl64", fcntl64Func),
302 /* 222 */ SyscallDesc("unused#222", unimplementedFunc),
303 /* 223 */ SyscallDesc("unknown#223", unimplementedFunc),
304 /* 224 */ SyscallDesc("gettid", unimplementedFunc),
305 /* 225 */ SyscallDesc("readahead", unimplementedFunc),
306 /* 226 */ SyscallDesc("setxattr", unimplementedFunc),
307 /* 227 */ SyscallDesc("lsetxattr", unimplementedFunc),
308 /* 228 */ SyscallDesc("fsetxattr", unimplementedFunc),
309 /* 229 */ SyscallDesc("getxattr", unimplementedFunc),
310 /* 230 */ SyscallDesc("lgetxattr", unimplementedFunc),
311 /* 231 */ SyscallDesc("fgetxattr", unimplementedFunc),
312 /* 232 */ SyscallDesc("listxattr", unimplementedFunc),
313 /* 233 */ SyscallDesc("llistxattr", unimplementedFunc),
314 /* 234 */ SyscallDesc("flistxattr", unimplementedFunc),
315 /* 235 */ SyscallDesc("removexattr", unimplementedFunc),
316 /* 236 */ SyscallDesc("lremovexattr", unimplementedFunc),
317 /* 237 */ SyscallDesc("fremovexattr", unimplementedFunc),
318 /* 238 */ SyscallDesc("tkill", unimplementedFunc),
319 /* 239 */ SyscallDesc("sendfile64", unimplementedFunc),
320 /* 240 */ SyscallDesc("futex", unimplementedFunc),
321 /* 241 */ SyscallDesc("sched_setaffinity", unimplementedFunc),
322 /* 242 */ SyscallDesc("sched_getaffinity", unimplementedFunc),
323 /* 243 */ SyscallDesc("io_setup", unimplementedFunc),
324 /* 244 */ SyscallDesc("io_destory", unimplementedFunc),
325 /* 245 */ SyscallDesc("io_getevents", unimplementedFunc),
326 /* 246 */ SyscallDesc("io_submit", unimplementedFunc),
327 /* 247 */ SyscallDesc("io_cancel", unimplementedFunc),
328 /* 248 */ SyscallDesc("exit_group", exitGroupFunc),
329 /* 249 */ SyscallDesc("lookup_dcookie", unimplementedFunc),
330 /* 250 */ SyscallDesc("epoll_create", unimplementedFunc),
331 /* 251 */ SyscallDesc("epoll_ctl", unimplementedFunc),
332 /* 252 */ SyscallDesc("epoll_wait", unimplementedFunc),
333 /* 253 */ SyscallDesc("remap_file_pages", unimplementedFunc),
334 /* 254 */ SyscallDesc("unused#254", unimplementedFunc),
335 /* 255 */ SyscallDesc("unused#255", unimplementedFunc),
336 /* 256 */ SyscallDesc("set_tid_address", unimplementedFunc),
337 /* 257 */ SyscallDesc("timer_create", unimplementedFunc),
338 /* 258 */ SyscallDesc("timer_settime", unimplementedFunc),
339 /* 259 */ SyscallDesc("timer_gettime", unimplementedFunc),
340 /* 260 */ SyscallDesc("timer_getoverrun", unimplementedFunc),
341 /* 261 */ SyscallDesc("timer_delete", unimplementedFunc),
342 /* 262 */ SyscallDesc("clock_settime", unimplementedFunc),
343 /* 263 */ SyscallDesc("clock_gettime", unimplementedFunc),
344 /* 264 */ SyscallDesc("clock_getres", unimplementedFunc),
345 /* 265 */ SyscallDesc("clock_nanosleep", unimplementedFunc),
346 /* 266 */ SyscallDesc("statfs64", unimplementedFunc),
347 /* 267 */ SyscallDesc("fstatfs64", unimplementedFunc),
348 /* 268 */ SyscallDesc("tgkill", unimplementedFunc),
349 /* 269 */ SyscallDesc("utimes", unimplementedFunc),
350 /* 270 */ SyscallDesc("arm_fadvise64_64", unimplementedFunc),
351 /* 271 */ SyscallDesc("pciconfig_iobase", unimplementedFunc),
352 /* 272 */ SyscallDesc("pciconfig_read", unimplementedFunc),
353 /* 273 */ SyscallDesc("pciconfig_write", unimplementedFunc),
354 /* 274 */ SyscallDesc("mq_open", unimplementedFunc),
355 /* 275 */ SyscallDesc("mq_unlink", unimplementedFunc),
356 /* 276 */ SyscallDesc("mq_timedsend", unimplementedFunc),
357 /* 277 */ SyscallDesc("mq_timedreceive", unimplementedFunc),
358 /* 278 */ SyscallDesc("mq_notify", unimplementedFunc),
359 /* 279 */ SyscallDesc("mq_getsetattr", unimplementedFunc),
360 /* 280 */ SyscallDesc("waitid", unimplementedFunc),
361 /* 281 */ SyscallDesc("socket", unimplementedFunc),
362 /* 282 */ SyscallDesc("bind", unimplementedFunc),
363 /* 283 */ SyscallDesc("connect", unimplementedFunc),
364 /* 284 */ SyscallDesc("listen", unimplementedFunc),
365 /* 285 */ SyscallDesc("accept", unimplementedFunc),
366 /* 286 */ SyscallDesc("getsockname", unimplementedFunc),
367 /* 287 */ SyscallDesc("getpeername", unimplementedFunc),
368 /* 288 */ SyscallDesc("socketpair", unimplementedFunc),
369 /* 289 */ SyscallDesc("send", unimplementedFunc),
370 /* 290 */ SyscallDesc("sendto", unimplementedFunc),
371 /* 291 */ SyscallDesc("recv", unimplementedFunc),
372 /* 292 */ SyscallDesc("recvfrom", unimplementedFunc),
373 /* 293 */ SyscallDesc("shutdown", unimplementedFunc),
374 /* 294 */ SyscallDesc("setsockopt", unimplementedFunc),
375 /* 295 */ SyscallDesc("getsockopt", unimplementedFunc),
376 /* 296 */ SyscallDesc("sendmsg", unimplementedFunc),
377 /* 297 */ SyscallDesc("rcvmsg", unimplementedFunc),
378 /* 298 */ SyscallDesc("semop", unimplementedFunc),
379 /* 299 */ SyscallDesc("semget", unimplementedFunc),
380 /* 300 */ SyscallDesc("semctl", unimplementedFunc),
381 /* 301 */ SyscallDesc("msgsend", unimplementedFunc),
382 /* 302 */ SyscallDesc("msgrcv", unimplementedFunc),
383 /* 303 */ SyscallDesc("msgget", unimplementedFunc),
384 /* 304 */ SyscallDesc("msgctl", unimplementedFunc),
385 /* 305 */ SyscallDesc("shmat", unimplementedFunc),
386 /* 306 */ SyscallDesc("shmdt", unimplementedFunc),
387 /* 307 */ SyscallDesc("shmget", unimplementedFunc),
388 /* 308 */ SyscallDesc("shmctl", unimplementedFunc),
389 /* 309 */ SyscallDesc("add_key", unimplementedFunc),
390 /* 310 */ SyscallDesc("request_key", unimplementedFunc),
391 /* 311 */ SyscallDesc("keyctl", unimplementedFunc),
392 /* 312 */ SyscallDesc("semtimedop", unimplementedFunc),
393 /* 313 */ SyscallDesc("unused#313", unimplementedFunc),
394 /* 314 */ SyscallDesc("ioprio_set", unimplementedFunc),
395 /* 315 */ SyscallDesc("ioprio_get", unimplementedFunc),
396 /* 316 */ SyscallDesc("inotify_init", unimplementedFunc),
397 /* 317 */ SyscallDesc("inotify_add_watch", unimplementedFunc),
398 /* 318 */ SyscallDesc("inotify_rm_watch", unimplementedFunc),
399 /* 319 */ SyscallDesc("mbind", unimplementedFunc),
400 /* 320 */ SyscallDesc("get_mempolicy", unimplementedFunc),
401 /* 321 */ SyscallDesc("set_mempolicy", unimplementedFunc),
402 /* 322 */ SyscallDesc("openat", unimplementedFunc),
403 /* 323 */ SyscallDesc("mkdirat", unimplementedFunc),
404 /* 324 */ SyscallDesc("mknodat", unimplementedFunc),
405 /* 325 */ SyscallDesc("fchownat", unimplementedFunc),
406 /* 326 */ SyscallDesc("futimesat", unimplementedFunc),
407 /* 327 */ SyscallDesc("fstatat64", unimplementedFunc),
408 /* 328 */ SyscallDesc("unlinkat", unimplementedFunc),
409 /* 329 */ SyscallDesc("renameat", unimplementedFunc),
410 /* 330 */ SyscallDesc("linkat", unimplementedFunc),
411 /* 331 */ SyscallDesc("symlinkat", unimplementedFunc),
412 /* 332 */ SyscallDesc("readlinkat", unimplementedFunc),
413 /* 333 */ SyscallDesc("fchmodat", unimplementedFunc),
414 /* 334 */ SyscallDesc("faccessat", unimplementedFunc),
415 /* 335 */ SyscallDesc("pselect6", unimplementedFunc),
416 /* 336 */ SyscallDesc("ppoll", unimplementedFunc),
417 /* 337 */ SyscallDesc("unshare", unimplementedFunc),
418 /* 338 */ SyscallDesc("set_robust_list", unimplementedFunc),
419 /* 339 */ SyscallDesc("get_robust_list", unimplementedFunc),
420 /* 340 */ SyscallDesc("splice", unimplementedFunc),
421 /* 341 */ SyscallDesc("arm_sync_file_range", unimplementedFunc),
422 /* 342 */ SyscallDesc("tee", unimplementedFunc),
423 /* 343 */ SyscallDesc("vmsplice", unimplementedFunc),
424 /* 344 */ SyscallDesc("move_pages", unimplementedFunc),
425 /* 345 */ SyscallDesc("getcpu", unimplementedFunc),
426 /* 346 */ SyscallDesc("epoll_pwait", unimplementedFunc),
427 /* 347 */ SyscallDesc("sys_kexec_load", unimplementedFunc),
428 /* 348 */ SyscallDesc("sys_utimensat", unimplementedFunc),
429 /* 349 */ SyscallDesc("sys_signalfd", unimplementedFunc),
430 /* 350 */ SyscallDesc("sys_timerfd_create", unimplementedFunc),
431 /* 351 */ SyscallDesc("sys_eventfd", unimplementedFunc),
432 /* 352 */ SyscallDesc("sys_fallocate", unimplementedFunc),
433 /* 353 */ SyscallDesc("sys_timerfd_settime", unimplementedFunc),
434 /* 354 */ SyscallDesc("sys_timerfd_gettime", unimplementedFunc),
435 /* 355 */ SyscallDesc("sys_signalfd4", unimplementedFunc),
436 /* 356 */ SyscallDesc("sys_eventfd2", unimplementedFunc),
437 /* 357 */ SyscallDesc("sys_epoll_create1", unimplementedFunc),
438 /* 358 */ SyscallDesc("sys_dup3", unimplementedFunc),
439 /* 359 */ SyscallDesc("sys_pipe2", unimplementedFunc),
440 /* 360 */ SyscallDesc("sys_inotify_init1", unimplementedFunc),
441 /* 361 */ SyscallDesc("sys_preadv", unimplementedFunc),
442 /* 362 */ SyscallDesc("sys_pwritev", unimplementedFunc),
443 /* 363 */ SyscallDesc("sys_rt_tgsigqueueinfo", unimplementedFunc),
444 /* 364 */ SyscallDesc("sys_perf_event_open", unimplementedFunc),
445 /* 365 */ SyscallDesc("sys_recvmmsg", unimplementedFunc),
446
447 };
448
449 /// Target set_tls() handler.
450 static SyscallReturn
451 setTLSFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
452 ThreadContext *tc)
453 {
454 int index = 0;
455 uint32_t tlsPtr = process->getSyscallArg(tc, index);
456
457 tc->getMemPort()->writeBlob(ArmLinuxProcess::commPage + 0x0ff0,
458 (uint8_t *)&tlsPtr, sizeof(tlsPtr));
459 return 0;
460 }
461
462 SyscallDesc ArmLinuxProcess::privSyscallDescs[] = {
463 /* 1 */ SyscallDesc("breakpoint", unimplementedFunc),
464 /* 2 */ SyscallDesc("cacheflush", unimplementedFunc),
465 /* 3 */ SyscallDesc("usr26", unimplementedFunc),
466 /* 4 */ SyscallDesc("usr32", unimplementedFunc),
467 /* 5 */ SyscallDesc("set_tls", setTLSFunc)
468 };
469
470 ArmLinuxProcess::ArmLinuxProcess(LiveProcessParams * params,
471 ObjectFile *objFile, ObjectFile::Arch _arch)
472 : ArmLiveProcess(params, objFile, _arch),
473 Num_Syscall_Descs(sizeof(syscallDescs) / sizeof(SyscallDesc)),
474 Num_Priv_Syscall_Descs(sizeof(privSyscallDescs) / sizeof(SyscallDesc))
475 { }
476
477 const Addr ArmLinuxProcess::commPage = 0xffff0000;
478
479 SyscallDesc*
480 ArmLinuxProcess::getDesc(int callnum)
481 {
482 // Angel SWI syscalls are unsupported in this release
483 if (callnum == 0x123456) {
484 panic("Attempt to execute an ANGEL_SWI system call (newlib-related)");
485 } else if ((callnum & 0x00f00000) == 0x00900000 ||
486 (callnum & 0xf0000) == 0xf0000) {
487 callnum &= 0x000fffff;
488 if ((callnum & 0x0f0000) == 0xf0000) {
489 callnum -= 0x0f0001;
490 if (callnum < 0 || callnum > Num_Priv_Syscall_Descs)
491 return NULL;
492 return &privSyscallDescs[callnum];
493 }
494 }
495 // Linux syscalls have to strip off the 0x00900000
496
497 if (callnum < 0 || callnum > Num_Syscall_Descs)
498 return NULL;
499
500 return &syscallDescs[callnum];
501 }
502
503 void
504 ArmLinuxProcess::startup()
505 {
506 ArmLiveProcess::startup();
507 pTable->allocate(commPage, PageBytes);
508 ThreadContext *tc = system->getThreadContext(contextIds[0]);
509
510 uint8_t swiNeg1[] = {
511 0xff, 0xff, 0xff, 0xef //swi -1
512 };
513
514 // Fill this page with swi -1 so we'll no if we land in it somewhere.
515 for (Addr addr = 0; addr < PageBytes; addr += sizeof(swiNeg1)) {
516 tc->getMemPort()->writeBlob(commPage + addr,
517 swiNeg1, sizeof(swiNeg1));
518 }
519
520 // We don't have barriers, so just return.
521 // @todo Add a barrrier in this code
522 uint8_t memory_barrier[] =
523 {
524 0x0e, 0xf0, 0xa0, 0xe1 //usr_ret lr
525 };
526 tc->getMemPort()->writeBlob(commPage + 0x0fa0, memory_barrier,
527 sizeof(memory_barrier));
528
529 // This -should- be atomic, but I don't think all the support that we'd
530 // need is implemented. There should also be memory barriers around it.
531 // @todo replace this with ldrex/strex and dmb
532 uint8_t cmpxchg[] =
533 {
534 0x00, 0x30, 0x92, 0xe5, //ldr r3, [r2]
535 0x00, 0x30, 0x53, 0xe0, //subs r3, r3, r0
536 0x00, 0x10, 0x82, 0x05, //streq r1, [r2]
537 0x03, 0x00, 0xa0, 0xe1, //mov r0, r3
538 0x0e, 0xf0, 0xa0, 0xe1 //usr_ret lr
539 };
540 tc->getMemPort()->writeBlob(commPage + 0x0fc0, cmpxchg, sizeof(cmpxchg));
541
542 uint8_t get_tls[] =
543 {
544 0x08, 0x00, 0x9f, 0xe5, //ldr r0, [pc, #(16 - 8)]
545 0x0e, 0xf0, 0xa0, 0xe1 //usr_ret lr
546 };
547 tc->getMemPort()->writeBlob(commPage + 0x0fe0, get_tls, sizeof(get_tls));
548 }
549
550 ArmISA::IntReg
551 ArmLinuxProcess::getSyscallArg(ThreadContext *tc, int &i)
552 {
553 // Linux apparently allows more parameter than the ABI says it should.
554 // This limit may need to be increased even further.
555 assert(i < 6);
556 return tc->readIntReg(ArgumentReg0 + i++);
557 }
558
559 void
560 ArmLinuxProcess::setSyscallArg(ThreadContext *tc, int i, ArmISA::IntReg val)
561 {
562 // Linux apparently allows more parameter than the ABI says it should.
563 // This limit may need to be increased even further.
564 assert(i < 6);
565 tc->setIntReg(ArgumentReg0 + i, val);
566 }