process.cc revision 14024:abe47b13653d 
1/*
2 * Copyright (c) 2007 The Hewlett-Packard Development Company
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 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions are
16 * met: redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer;
18 * redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution;
21 * neither the name of the copyright holders nor the names of its
22 * contributors may be used to endorse or promote products derived from
23 * this software without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
28 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
29 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
30 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
31 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
32 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
35 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 *
37 * Authors: Gabe Black
38 */
39
40#include "arch/x86/linux/process.hh"
41
42#include <sys/syscall.h>
43
44#include "arch/x86/isa_traits.hh"
45#include "arch/x86/linux/linux.hh"
46#include "arch/x86/registers.hh"
47#include "base/loader/object_file.hh"
48#include "base/trace.hh"
49#include "cpu/thread_context.hh"
50#include "kern/linux/linux.hh"
51#include "sim/process.hh"
52#include "sim/syscall_desc.hh"
53#include "sim/syscall_emul.hh"
54
55using namespace std;
56using namespace X86ISA;
57
58namespace
59{
60
61class X86LinuxObjectFileLoader : public ObjectFile::Loader
62{
63  public:
64    Process *
65    load(ProcessParams *params, ObjectFile *obj_file) override
66    {
67        auto arch = obj_file->getArch();
68        auto opsys = obj_file->getOpSys();
69
70        if (arch != ObjectFile::X86_64 && arch != ObjectFile::I386)
71            return nullptr;
72
73        if (opsys == ObjectFile::UnknownOpSys) {
74            warn("Unknown operating system; assuming Linux.");
75            opsys = ObjectFile::Linux;
76        }
77
78        if (opsys != ObjectFile::Linux)
79            return nullptr;
80
81        if (arch == ObjectFile::X86_64)
82            return new X86_64LinuxProcess(params, obj_file);
83        else
84            return new I386LinuxProcess(params, obj_file);
85    }
86};
87
88X86LinuxObjectFileLoader loader;
89
90} // anonymous namespace
91
92/// Target uname() handler.
93static SyscallReturn
94unameFunc(SyscallDesc *desc, int callnum, ThreadContext *tc)
95{
96    int index = 0;
97    auto process = tc->getProcessPtr();
98    TypedBufferArg<Linux::utsname> name(process->getSyscallArg(tc, index));
99
100    strcpy(name->sysname, "Linux");
101    strcpy(name->nodename, "sim.gem5.org");
102    strcpy(name->release, process->release.c_str());
103    strcpy(name->version, "#1 Mon Aug 18 11:32:15 EDT 2003");
104    strcpy(name->machine, "x86_64");
105
106    name.copyOut(tc->getVirtProxy());
107
108    return 0;
109}
110
111static SyscallReturn
112archPrctlFunc(SyscallDesc *desc, int callnum, ThreadContext *tc)
113{
114    enum ArchPrctlCodes
115    {
116        SetFS = 0x1002,
117        GetFS = 0x1003,
118        SetGS = 0x1001,
119        GetGS = 0x1004
120    };
121
122    // First argument is the code, second is the address
123    int index = 0;
124    auto process = tc->getProcessPtr();
125    int code = process->getSyscallArg(tc, index);
126    uint64_t addr = process->getSyscallArg(tc, index);
127    uint64_t fsBase, gsBase;
128    PortProxy &p = tc->getVirtProxy();
129    switch(code)
130    {
131      // Each of these valid options should actually check addr.
132      case SetFS:
133        tc->setMiscRegNoEffect(MISCREG_FS_BASE, addr);
134        tc->setMiscRegNoEffect(MISCREG_FS_EFF_BASE, addr);
135        return 0;
136      case GetFS:
137        fsBase = tc->readMiscRegNoEffect(MISCREG_FS_BASE);
138        p.write(addr, fsBase);
139        return 0;
140      case SetGS:
141        tc->setMiscRegNoEffect(MISCREG_GS_BASE, addr);
142        tc->setMiscRegNoEffect(MISCREG_GS_EFF_BASE, addr);
143        return 0;
144      case GetGS:
145        gsBase = tc->readMiscRegNoEffect(MISCREG_GS_BASE);
146        p.write(addr, gsBase);
147        return 0;
148      default:
149        return -EINVAL;
150    }
151}
152
153BitUnion32(UserDescFlags)
154    Bitfield<0> seg_32bit;
155    Bitfield<2, 1> contents;
156    Bitfield<3> read_exec_only;
157    Bitfield<4> limit_in_pages;
158    Bitfield<5> seg_not_present;
159    Bitfield<6> useable;
160EndBitUnion(UserDescFlags)
161
162struct UserDesc32 {
163    uint32_t entry_number;
164    uint32_t base_addr;
165    uint32_t limit;
166    uint32_t flags;
167};
168
169struct UserDesc64 {
170    uint32_t entry_number;
171    uint32_t __padding1;
172    uint64_t base_addr;
173    uint32_t limit;
174    uint32_t flags;
175};
176
177static SyscallReturn
178setThreadArea32Func(SyscallDesc *desc, int callnum, ThreadContext *tc)
179{
180    const int minTLSEntry = 6;
181    const int numTLSEntries = 3;
182    const int maxTLSEntry = minTLSEntry + numTLSEntries - 1;
183
184    auto process = tc->getProcessPtr();
185
186    X86Process *x86p = dynamic_cast<X86Process *>(process);
187    assert(x86p);
188
189    assert((maxTLSEntry + 1) * sizeof(uint64_t) <= x86p->gdtSize());
190
191    int argIndex = 0;
192    TypedBufferArg<UserDesc32> userDesc(process->getSyscallArg(tc, argIndex));
193    TypedBufferArg<uint64_t>
194        gdt(x86p->gdtStart() + minTLSEntry * sizeof(uint64_t),
195            numTLSEntries * sizeof(uint64_t));
196
197    if (!userDesc.copyIn(tc->getVirtProxy()))
198        return -EFAULT;
199
200    if (!gdt.copyIn(tc->getVirtProxy()))
201        panic("Failed to copy in GDT for %s.\n", desc->name());
202
203    if (userDesc->entry_number == (uint32_t)(-1)) {
204        // Find a free TLS entry.
205        for (int i = 0; i < numTLSEntries; i++) {
206            if (gdt[i] == 0) {
207                userDesc->entry_number = i + minTLSEntry;
208                break;
209            }
210        }
211        // We failed to find one.
212        if (userDesc->entry_number == (uint32_t)(-1))
213            return -ESRCH;
214    }
215
216    int index = userDesc->entry_number;
217
218    if (index < minTLSEntry || index > maxTLSEntry)
219        return -EINVAL;
220
221    index -= minTLSEntry;
222
223    // Build the entry we're going to add.
224    SegDescriptor segDesc = 0;
225    UserDescFlags flags = userDesc->flags;
226
227    segDesc.limitLow = bits(userDesc->limit, 15, 0);
228    segDesc.baseLow = bits(userDesc->base_addr, 23, 0);
229    segDesc.type.a = 1;
230    if (!flags.read_exec_only)
231        segDesc.type.w = 1;
232    if (bits((uint8_t)flags.contents, 0))
233        segDesc.type.e = 1;
234    if (bits((uint8_t)flags.contents, 1))
235        segDesc.type.codeOrData = 1;
236    segDesc.s = 1;
237    segDesc.dpl = 3;
238    if (!flags.seg_not_present)
239        segDesc.p = 1;
240    segDesc.limitHigh = bits(userDesc->limit, 19, 16);
241    if (flags.useable)
242        segDesc.avl = 1;
243    segDesc.l = 0;
244    if (flags.seg_32bit)
245        segDesc.d = 1;
246    if (flags.limit_in_pages)
247        segDesc.g = 1;
248    segDesc.baseHigh = bits(userDesc->base_addr, 31, 24);
249
250    gdt[index] = (uint64_t)segDesc;
251
252    if (!userDesc.copyOut(tc->getVirtProxy()))
253        return -EFAULT;
254    if (!gdt.copyOut(tc->getVirtProxy()))
255        panic("Failed to copy out GDT for %s.\n", desc->name());
256
257    return 0;
258}
259
260static SyscallDesc syscallDescs64[] = {
261    /*   0 */ SyscallDesc("read", readFunc<X86Linux64>),
262    /*   1 */ SyscallDesc("write", writeFunc<X86Linux64>),
263    /*   2 */ SyscallDesc("open", openFunc<X86Linux64>),
264    /*   3 */ SyscallDesc("close", closeFunc),
265    /*   4 */ SyscallDesc("stat", stat64Func<X86Linux64>),
266    /*   5 */ SyscallDesc("fstat", fstat64Func<X86Linux64>),
267    /*   6 */ SyscallDesc("lstat", lstat64Func<X86Linux64>),
268    /*   7 */ SyscallDesc("poll", pollFunc<X86Linux64>),
269    /*   8 */ SyscallDesc("lseek", lseekFunc),
270    /*   9 */ SyscallDesc("mmap", mmapFunc<X86Linux64>),
271    /*  10 */ SyscallDesc("mprotect", ignoreFunc),
272    /*  11 */ SyscallDesc("munmap", munmapFunc),
273    /*  12 */ SyscallDesc("brk", brkFunc),
274    /*  13 */ SyscallDesc("rt_sigaction", ignoreFunc, SyscallDesc::WarnOnce),
275    /*  14 */ SyscallDesc("rt_sigprocmask", ignoreFunc, SyscallDesc::WarnOnce),
276    /*  15 */ SyscallDesc("rt_sigreturn", unimplementedFunc),
277    /*  16 */ SyscallDesc("ioctl", ioctlFunc<X86Linux64>),
278    /*  17 */ SyscallDesc("pread64", unimplementedFunc),
279    /*  18 */ SyscallDesc("pwrite64", pwrite64Func<X86Linux64>),
280    /*  19 */ SyscallDesc("readv", readvFunc<X86Linux64>),
281    /*  20 */ SyscallDesc("writev", writevFunc<X86Linux64>),
282    /*  21 */ SyscallDesc("access", ignoreFunc),
283    /*  22 */ SyscallDesc("pipe", pipeFunc),
284    /*  23 */ SyscallDesc("select", selectFunc<X86Linux64>),
285    /*  24 */ SyscallDesc("sched_yield", ignoreFunc),
286    /*  25 */ SyscallDesc("mremap", mremapFunc<X86Linux64>),
287    /*  26 */ SyscallDesc("msync", unimplementedFunc),
288    /*  27 */ SyscallDesc("mincore", unimplementedFunc),
289    /*  28 */ SyscallDesc("madvise", ignoreFunc),
290    /*  29 */ SyscallDesc("shmget", unimplementedFunc),
291    /*  30 */ SyscallDesc("shmat", unimplementedFunc),
292    /*  31 */ SyscallDesc("shmctl", unimplementedFunc),
293    /*  32 */ SyscallDesc("dup", dupFunc),
294    /*  33 */ SyscallDesc("dup2", dup2Func),
295    /*  34 */ SyscallDesc("pause", unimplementedFunc),
296    /*  35 */ SyscallDesc("nanosleep", ignoreFunc, SyscallDesc::WarnOnce),
297    /*  36 */ SyscallDesc("getitimer", unimplementedFunc),
298    /*  37 */ SyscallDesc("alarm", unimplementedFunc),
299    /*  38 */ SyscallDesc("setitimer", unimplementedFunc),
300    /*  39 */ SyscallDesc("getpid", getpidFunc),
301    /*  40 */ SyscallDesc("sendfile", unimplementedFunc),
302    /*  41 */ SyscallDesc("socket", socketFunc<X86Linux64>),
303    /*  42 */ SyscallDesc("connect", connectFunc),
304    /*  43 */ SyscallDesc("accept", acceptFunc<X86Linux64>),
305    /*  44 */ SyscallDesc("sendto", sendtoFunc),
306    /*  45 */ SyscallDesc("recvfrom", recvfromFunc),
307    /*  46 */ SyscallDesc("sendmsg", sendmsgFunc),
308    /*  47 */ SyscallDesc("recvmsg", recvmsgFunc),
309    /*  48 */ SyscallDesc("shutdown", shutdownFunc),
310    /*  49 */ SyscallDesc("bind", bindFunc),
311    /*  50 */ SyscallDesc("listen", listenFunc),
312    /*  51 */ SyscallDesc("getsockname", getsocknameFunc),
313    /*  52 */ SyscallDesc("getpeername", getpeernameFunc),
314    /*  53 */ SyscallDesc("socketpair", socketpairFunc<X86Linux64>),
315    /*  54 */ SyscallDesc("setsockopt", setsockoptFunc),
316    /*  55 */ SyscallDesc("getsockopt", getsockoptFunc),
317    /*  56 */ SyscallDesc("clone", cloneFunc<X86Linux64>),
318    /*  57 */ SyscallDesc("fork", unimplementedFunc),
319    /*  58 */ SyscallDesc("vfork", unimplementedFunc),
320    /*  59 */ SyscallDesc("execve", execveFunc<X86Linux64>),
321    /*  60 */ SyscallDesc("exit", exitFunc),
322    /*  61 */ SyscallDesc("wait4", wait4Func<X86Linux64>),
323    /*  62 */ SyscallDesc("kill", unimplementedFunc),
324    /*  63 */ SyscallDesc("uname", unameFunc),
325    /*  64 */ SyscallDesc("semget", unimplementedFunc),
326    /*  65 */ SyscallDesc("semop", unimplementedFunc),
327    /*  66 */ SyscallDesc("semctl", unimplementedFunc),
328    /*  67 */ SyscallDesc("shmdt", unimplementedFunc),
329    /*  68 */ SyscallDesc("msgget", unimplementedFunc),
330    /*  69 */ SyscallDesc("msgsnd", unimplementedFunc),
331    /*  70 */ SyscallDesc("msgrcv", unimplementedFunc),
332    /*  71 */ SyscallDesc("msgctl", unimplementedFunc),
333    /*  72 */ SyscallDesc("fcntl", fcntlFunc),
334    /*  73 */ SyscallDesc("flock", unimplementedFunc),
335    /*  74 */ SyscallDesc("fsync", unimplementedFunc),
336    /*  75 */ SyscallDesc("fdatasync", unimplementedFunc),
337    /*  76 */ SyscallDesc("truncate", truncateFunc),
338    /*  77 */ SyscallDesc("ftruncate", ftruncateFunc),
339#if defined(SYS_getdents)
340    /*  78 */ SyscallDesc("getdents", getdentsFunc),
341#else
342    /*  78 */ SyscallDesc("getdents", unimplementedFunc),
343#endif
344    /*  79 */ SyscallDesc("getcwd", getcwdFunc),
345    /*  80 */ SyscallDesc("chdir", chdirFunc),
346    /*  81 */ SyscallDesc("fchdir", unimplementedFunc),
347    /*  82 */ SyscallDesc("rename", renameFunc),
348    /*  83 */ SyscallDesc("mkdir", mkdirFunc),
349    /*  84 */ SyscallDesc("rmdir", rmdirFunc),
350    /*  85 */ SyscallDesc("creat", unimplementedFunc),
351    /*  86 */ SyscallDesc("link", linkFunc),
352    /*  87 */ SyscallDesc("unlink", unlinkFunc),
353    /*  88 */ SyscallDesc("symlink", symlinkFunc),
354    /*  89 */ SyscallDesc("readlink", readlinkFunc),
355    /*  90 */ SyscallDesc("chmod", unimplementedFunc),
356    /*  91 */ SyscallDesc("fchmod", unimplementedFunc),
357    /*  92 */ SyscallDesc("chown", unimplementedFunc),
358    /*  93 */ SyscallDesc("fchown", unimplementedFunc),
359    /*  94 */ SyscallDesc("lchown", unimplementedFunc),
360    /*  95 */ SyscallDesc("umask", umaskFunc),
361    /*  96 */ SyscallDesc("gettimeofday", gettimeofdayFunc<X86Linux64>),
362    /*  97 */ SyscallDesc("getrlimit", getrlimitFunc<X86Linux64>),
363    /*  98 */ SyscallDesc("getrusage", getrusageFunc<X86Linux64>),
364    /*  99 */ SyscallDesc("sysinfo", sysinfoFunc<X86Linux64>),
365    /* 100 */ SyscallDesc("times", timesFunc<X86Linux64>),
366    /* 101 */ SyscallDesc("ptrace", unimplementedFunc),
367    /* 102 */ SyscallDesc("getuid", getuidFunc),
368    /* 103 */ SyscallDesc("syslog", unimplementedFunc),
369    /* 104 */ SyscallDesc("getgid", getgidFunc),
370    /* 105 */ SyscallDesc("setuid", unimplementedFunc),
371    /* 106 */ SyscallDesc("setgid", unimplementedFunc),
372    /* 107 */ SyscallDesc("geteuid", geteuidFunc),
373    /* 108 */ SyscallDesc("getegid", getegidFunc),
374    /* 109 */ SyscallDesc("setpgid", setpgidFunc),
375    /* 110 */ SyscallDesc("getppid", getppidFunc),
376    /* 111 */ SyscallDesc("getpgrp", unimplementedFunc),
377    /* 112 */ SyscallDesc("setsid", unimplementedFunc),
378    /* 113 */ SyscallDesc("setreuid", unimplementedFunc),
379    /* 114 */ SyscallDesc("setregid", unimplementedFunc),
380    /* 115 */ SyscallDesc("getgroups", unimplementedFunc),
381    /* 116 */ SyscallDesc("setgroups", unimplementedFunc),
382    /* 117 */ SyscallDesc("setresuid", ignoreFunc),
383    /* 118 */ SyscallDesc("getresuid", unimplementedFunc),
384    /* 119 */ SyscallDesc("setresgid", unimplementedFunc),
385    /* 120 */ SyscallDesc("getresgid", unimplementedFunc),
386    /* 121 */ SyscallDesc("getpgid", unimplementedFunc),
387    /* 122 */ SyscallDesc("setfsuid", unimplementedFunc),
388    /* 123 */ SyscallDesc("setfsgid", unimplementedFunc),
389    /* 124 */ SyscallDesc("getsid", unimplementedFunc),
390    /* 125 */ SyscallDesc("capget", unimplementedFunc),
391    /* 126 */ SyscallDesc("capset", unimplementedFunc),
392    /* 127 */ SyscallDesc("rt_sigpending", unimplementedFunc),
393    /* 128 */ SyscallDesc("rt_sigtimedwait", unimplementedFunc),
394    /* 129 */ SyscallDesc("rt_sigqueueinfo", unimplementedFunc),
395    /* 130 */ SyscallDesc("rt_sigsuspend", unimplementedFunc),
396    /* 131 */ SyscallDesc("sigaltstack", unimplementedFunc),
397    /* 132 */ SyscallDesc("utime", unimplementedFunc),
398    /* 133 */ SyscallDesc("mknod", mknodFunc),
399    /* 134 */ SyscallDesc("uselib", unimplementedFunc),
400    /* 135 */ SyscallDesc("personality", unimplementedFunc),
401    /* 136 */ SyscallDesc("ustat", unimplementedFunc),
402    /* 137 */ SyscallDesc("statfs", statfsFunc<X86Linux64>),
403    /* 138 */ SyscallDesc("fstatfs", fstatfsFunc<X86Linux64>),
404    /* 139 */ SyscallDesc("sysfs", unimplementedFunc),
405    /* 140 */ SyscallDesc("getpriority", unimplementedFunc),
406    /* 141 */ SyscallDesc("setpriority", ignoreFunc),
407    /* 142 */ SyscallDesc("sched_setparam", unimplementedFunc),
408    /* 143 */ SyscallDesc("sched_getparam", unimplementedFunc),
409    /* 144 */ SyscallDesc("sched_setscheduler", unimplementedFunc),
410    /* 145 */ SyscallDesc("sched_getscheduler", unimplementedFunc),
411    /* 146 */ SyscallDesc("sched_get_priority_max", unimplementedFunc),
412    /* 147 */ SyscallDesc("sched_get_priority_min", unimplementedFunc),
413    /* 148 */ SyscallDesc("sched_rr_get_interval", unimplementedFunc),
414    /* 149 */ SyscallDesc("mlock", unimplementedFunc),
415    /* 150 */ SyscallDesc("munlock", unimplementedFunc),
416    /* 151 */ SyscallDesc("mlockall", unimplementedFunc),
417    /* 152 */ SyscallDesc("munlockall", unimplementedFunc),
418    /* 153 */ SyscallDesc("vhangup", unimplementedFunc),
419    /* 154 */ SyscallDesc("modify_ldt", unimplementedFunc),
420    /* 155 */ SyscallDesc("pivot_root", unimplementedFunc),
421    /* 156 */ SyscallDesc("_sysctl", unimplementedFunc),
422    /* 157 */ SyscallDesc("prctl", unimplementedFunc),
423    /* 158 */ SyscallDesc("arch_prctl", archPrctlFunc),
424    /* 159 */ SyscallDesc("adjtimex", unimplementedFunc),
425    /* 160 */ SyscallDesc("setrlimit", ignoreFunc),
426    /* 161 */ SyscallDesc("chroot", unimplementedFunc),
427    /* 162 */ SyscallDesc("sync", unimplementedFunc),
428    /* 163 */ SyscallDesc("acct", unimplementedFunc),
429    /* 164 */ SyscallDesc("settimeofday", unimplementedFunc),
430    /* 165 */ SyscallDesc("mount", unimplementedFunc),
431    /* 166 */ SyscallDesc("umount2", unimplementedFunc),
432    /* 167 */ SyscallDesc("swapon", unimplementedFunc),
433    /* 168 */ SyscallDesc("swapoff", unimplementedFunc),
434    /* 169 */ SyscallDesc("reboot", unimplementedFunc),
435    /* 170 */ SyscallDesc("sethostname", unimplementedFunc),
436    /* 171 */ SyscallDesc("setdomainname", unimplementedFunc),
437    /* 172 */ SyscallDesc("iopl", unimplementedFunc),
438    /* 173 */ SyscallDesc("ioperm", unimplementedFunc),
439    /* 174 */ SyscallDesc("create_module", unimplementedFunc),
440    /* 175 */ SyscallDesc("init_module", unimplementedFunc),
441    /* 176 */ SyscallDesc("delete_module", unimplementedFunc),
442    /* 177 */ SyscallDesc("get_kernel_syms", unimplementedFunc),
443    /* 178 */ SyscallDesc("query_module", unimplementedFunc),
444    /* 179 */ SyscallDesc("quotactl", unimplementedFunc),
445    /* 180 */ SyscallDesc("nfsservctl", unimplementedFunc),
446    /* 181 */ SyscallDesc("getpmsg", unimplementedFunc),
447    /* 182 */ SyscallDesc("putpmsg", unimplementedFunc),
448    /* 183 */ SyscallDesc("afs_syscall", unimplementedFunc),
449    /* 184 */ SyscallDesc("tuxcall", unimplementedFunc),
450    /* 185 */ SyscallDesc("security", unimplementedFunc),
451    /* 186 */ SyscallDesc("gettid", gettidFunc),
452    /* 187 */ SyscallDesc("readahead", unimplementedFunc),
453    /* 188 */ SyscallDesc("setxattr", unimplementedFunc),
454    /* 189 */ SyscallDesc("lsetxattr", unimplementedFunc),
455    /* 190 */ SyscallDesc("fsetxattr", unimplementedFunc),
456    /* 191 */ SyscallDesc("getxattr", unimplementedFunc),
457    /* 192 */ SyscallDesc("lgetxattr", unimplementedFunc),
458    /* 193 */ SyscallDesc("fgetxattr", unimplementedFunc),
459    /* 194 */ SyscallDesc("listxattr", unimplementedFunc),
460    /* 195 */ SyscallDesc("llistxattr", unimplementedFunc),
461    /* 196 */ SyscallDesc("flistxattr", unimplementedFunc),
462    /* 197 */ SyscallDesc("removexattr", unimplementedFunc),
463    /* 198 */ SyscallDesc("lremovexattr", unimplementedFunc),
464    /* 199 */ SyscallDesc("fremovexattr", unimplementedFunc),
465    /* 200 */ SyscallDesc("tkill", unimplementedFunc),
466    /* 201 */ SyscallDesc("time", timeFunc<X86Linux64>),
467    /* 202 */ SyscallDesc("futex", futexFunc<X86Linux64>),
468    /* 203 */ SyscallDesc("sched_setaffinity", unimplementedFunc),
469    /* 204 */ SyscallDesc("sched_getaffinity", ignoreFunc),
470    /* 205 */ SyscallDesc("set_thread_area", unimplementedFunc),
471    /* 206 */ SyscallDesc("io_setup", unimplementedFunc),
472    /* 207 */ SyscallDesc("io_destroy", unimplementedFunc),
473    /* 208 */ SyscallDesc("io_getevents", unimplementedFunc),
474    /* 209 */ SyscallDesc("io_submit", unimplementedFunc),
475    /* 210 */ SyscallDesc("io_cancel", unimplementedFunc),
476    /* 211 */ SyscallDesc("get_thread_area", unimplementedFunc),
477    /* 212 */ SyscallDesc("lookup_dcookie", unimplementedFunc),
478    /* 213 */ SyscallDesc("epoll_create", unimplementedFunc),
479    /* 214 */ SyscallDesc("epoll_ctl_old", unimplementedFunc),
480    /* 215 */ SyscallDesc("epoll_wait_old", unimplementedFunc),
481    /* 216 */ SyscallDesc("remap_file_pages", unimplementedFunc),
482    /* 217 */ SyscallDesc("getdents64", unimplementedFunc),
483    /* 218 */ SyscallDesc("set_tid_address", setTidAddressFunc),
484    /* 219 */ SyscallDesc("restart_syscall", unimplementedFunc),
485    /* 220 */ SyscallDesc("semtimedop", unimplementedFunc),
486    /* 221 */ SyscallDesc("fadvise64", unimplementedFunc),
487    /* 222 */ SyscallDesc("timer_create", unimplementedFunc),
488    /* 223 */ SyscallDesc("timer_settime", unimplementedFunc),
489    /* 224 */ SyscallDesc("timer_gettime", unimplementedFunc),
490    /* 225 */ SyscallDesc("timer_getoverrun", unimplementedFunc),
491    /* 226 */ SyscallDesc("timer_delete", unimplementedFunc),
492    /* 227 */ SyscallDesc("clock_settime", unimplementedFunc),
493    /* 228 */ SyscallDesc("clock_gettime", clock_gettimeFunc<X86Linux64>),
494    /* 229 */ SyscallDesc("clock_getres", clock_getresFunc<X86Linux64>),
495    /* 230 */ SyscallDesc("clock_nanosleep", unimplementedFunc),
496    /* 231 */ SyscallDesc("exit_group", exitGroupFunc),
497    /* 232 */ SyscallDesc("epoll_wait", unimplementedFunc),
498    /* 233 */ SyscallDesc("epoll_ctl", unimplementedFunc),
499    /* 234 */ SyscallDesc("tgkill", tgkillFunc<X86Linux64>),
500    /* 235 */ SyscallDesc("utimes", unimplementedFunc),
501    /* 236 */ SyscallDesc("vserver", unimplementedFunc),
502    /* 237 */ SyscallDesc("mbind", unimplementedFunc),
503    /* 238 */ SyscallDesc("set_mempolicy", unimplementedFunc),
504    /* 239 */ SyscallDesc("get_mempolicy", ignoreFunc),
505    /* 240 */ SyscallDesc("mq_open", unimplementedFunc),
506    /* 241 */ SyscallDesc("mq_unlink", unimplementedFunc),
507    /* 242 */ SyscallDesc("mq_timedsend", unimplementedFunc),
508    /* 243 */ SyscallDesc("mq_timedreceive", unimplementedFunc),
509    /* 244 */ SyscallDesc("mq_notify", unimplementedFunc),
510    /* 245 */ SyscallDesc("mq_getsetattr", unimplementedFunc),
511    /* 246 */ SyscallDesc("kexec_load", unimplementedFunc),
512    /* 247 */ SyscallDesc("waitid", unimplementedFunc),
513    /* 248 */ SyscallDesc("add_key", unimplementedFunc),
514    /* 249 */ SyscallDesc("request_key", unimplementedFunc),
515    /* 250 */ SyscallDesc("keyctl", unimplementedFunc),
516    /* 251 */ SyscallDesc("ioprio_set", unimplementedFunc),
517    /* 252 */ SyscallDesc("ioprio_get", unimplementedFunc),
518    /* 253 */ SyscallDesc("inotify_init", unimplementedFunc),
519    /* 254 */ SyscallDesc("inotify_add_watch", unimplementedFunc),
520    /* 255 */ SyscallDesc("inotify_rm_watch", unimplementedFunc),
521    /* 256 */ SyscallDesc("migrate_pages", unimplementedFunc),
522    /* 257 */ SyscallDesc("openat", openatFunc<X86Linux64>),
523    /* 258 */ SyscallDesc("mkdirat", unimplementedFunc),
524    /* 259 */ SyscallDesc("mknodat", unimplementedFunc),
525    /* 260 */ SyscallDesc("fchownat", unimplementedFunc),
526    /* 261 */ SyscallDesc("futimesat", unimplementedFunc),
527    /* 262 */ SyscallDesc("newfstatat", unimplementedFunc),
528    /* 263 */ SyscallDesc("unlinkat", unimplementedFunc),
529    /* 264 */ SyscallDesc("renameat", unimplementedFunc),
530    /* 265 */ SyscallDesc("linkat", unimplementedFunc),
531    /* 266 */ SyscallDesc("symlinkat", unimplementedFunc),
532    /* 267 */ SyscallDesc("readlinkat", readlinkFunc),
533    /* 268 */ SyscallDesc("fchmodat", unimplementedFunc),
534    /* 269 */ SyscallDesc("faccessat", unimplementedFunc),
535    /* 270 */ SyscallDesc("pselect6", unimplementedFunc),
536    /* 271 */ SyscallDesc("ppoll", unimplementedFunc),
537    /* 272 */ SyscallDesc("unshare", unimplementedFunc),
538    /* 273 */ SyscallDesc("set_robust_list", ignoreFunc),
539    /* 274 */ SyscallDesc("get_robust_list", unimplementedFunc),
540    /* 275 */ SyscallDesc("splice", unimplementedFunc),
541    /* 276 */ SyscallDesc("tee", unimplementedFunc),
542    /* 277 */ SyscallDesc("sync_file_range", unimplementedFunc),
543    /* 278 */ SyscallDesc("vmsplice", unimplementedFunc),
544    /* 279 */ SyscallDesc("move_pages", unimplementedFunc),
545    /* 280 */ SyscallDesc("utimensat", unimplementedFunc),
546    /* 281 */ SyscallDesc("epoll_pwait", unimplementedFunc),
547    /* 282 */ SyscallDesc("signalfd", unimplementedFunc),
548    /* 283 */ SyscallDesc("timerfd_create", unimplementedFunc),
549    /* 284 */ SyscallDesc("eventfd", eventfdFunc<X86Linux64>),
550    /* 285 */ SyscallDesc("fallocate", fallocateFunc),
551    /* 286 */ SyscallDesc("timerfd_settime", unimplementedFunc),
552    /* 287 */ SyscallDesc("timerfd_gettime", unimplementedFunc),
553    /* 288 */ SyscallDesc("accept4", unimplementedFunc),
554    /* 289 */ SyscallDesc("signalfd4", unimplementedFunc),
555    /* 290 */ SyscallDesc("eventfd2", eventfdFunc<X86Linux64>),
556    /* 291 */ SyscallDesc("epoll_create1", unimplementedFunc),
557    /* 292 */ SyscallDesc("dup3", unimplementedFunc),
558    /* 293 */ SyscallDesc("pipe2", unimplementedFunc),
559    /* 294 */ SyscallDesc("inotify_init1", unimplementedFunc),
560    /* 295 */ SyscallDesc("preadv", unimplementedFunc),
561    /* 296 */ SyscallDesc("pwritev", unimplementedFunc),
562    /* 297 */ SyscallDesc("rt_tgsigqueueinfo", unimplementedFunc),
563    /* 298 */ SyscallDesc("perf_event_open", unimplementedFunc),
564    /* 299 */ SyscallDesc("recvmmsg", unimplementedFunc),
565    /* 300 */ SyscallDesc("fanotify_init", unimplementedFunc),
566    /* 301 */ SyscallDesc("fanotify_mark", unimplementedFunc),
567    /* 302 */ SyscallDesc("prlimit64", prlimitFunc<X86Linux64>),
568    /* 303 */ SyscallDesc("name_to_handle_at", unimplementedFunc),
569    /* 304 */ SyscallDesc("open_by_handle_at", unimplementedFunc),
570    /* 305 */ SyscallDesc("clock_adjtime", unimplementedFunc),
571    /* 306 */ SyscallDesc("syncfs", unimplementedFunc),
572    /* 307 */ SyscallDesc("sendmmsg", unimplementedFunc),
573    /* 308 */ SyscallDesc("setns", unimplementedFunc),
574    /* 309 */ SyscallDesc("getcpu", unimplementedFunc),
575    /* 310 */ SyscallDesc("proess_vm_readv", unimplementedFunc),
576    /* 311 */ SyscallDesc("proess_vm_writev", unimplementedFunc),
577    /* 312 */ SyscallDesc("kcmp", unimplementedFunc),
578    /* 313 */ SyscallDesc("finit_module", unimplementedFunc),
579};
580
581X86_64LinuxProcess::X86_64LinuxProcess(ProcessParams * params,
582                                       ObjectFile *objFile)
583    : X86_64Process(params, objFile, syscallDescs64,
584                    sizeof(syscallDescs64) / sizeof(SyscallDesc))
585{}
586
587void X86_64LinuxProcess::clone(ThreadContext *old_tc, ThreadContext *new_tc,
588                               Process *process, RegVal flags)
589{
590    X86_64Process::clone(old_tc, new_tc, (X86_64Process*)process, flags);
591}
592
593static SyscallDesc syscallDescs32[] = {
594    /*   0 */ SyscallDesc("restart_syscall", unimplementedFunc),
595    /*   1 */ SyscallDesc("exit", exitFunc),
596    /*   2 */ SyscallDesc("fork", unimplementedFunc),
597    /*   3 */ SyscallDesc("read", readFunc<X86Linux32>),
598    /*   4 */ SyscallDesc("write", writeFunc<X86Linux32>),
599    /*   5 */ SyscallDesc("open", openFunc<X86Linux32>),
600    /*   6 */ SyscallDesc("close", closeFunc),
601    /*   7 */ SyscallDesc("waitpid", unimplementedFunc),
602    /*   8 */ SyscallDesc("creat", unimplementedFunc),
603    /*   9 */ SyscallDesc("link", unimplementedFunc),
604    /*  10 */ SyscallDesc("unlink", unimplementedFunc),
605    /*  11 */ SyscallDesc("execve", execveFunc<X86Linux32>),
606    /*  12 */ SyscallDesc("chdir", chdirFunc),
607    /*  13 */ SyscallDesc("time", timeFunc<X86Linux32>),
608    /*  14 */ SyscallDesc("mknod", mknodFunc),
609    /*  15 */ SyscallDesc("chmod", unimplementedFunc),
610    /*  16 */ SyscallDesc("lchown", unimplementedFunc),
611    /*  17 */ SyscallDesc("break", unimplementedFunc),
612    /*  18 */ SyscallDesc("oldstat", unimplementedFunc),
613    /*  19 */ SyscallDesc("lseek", unimplementedFunc),
614    /*  20 */ SyscallDesc("getpid", getpidFunc),
615    /*  21 */ SyscallDesc("mount", unimplementedFunc),
616    /*  22 */ SyscallDesc("umount", unimplementedFunc),
617    /*  23 */ SyscallDesc("setuid", unimplementedFunc),
618    /*  24 */ SyscallDesc("getuid", getuidFunc),
619    /*  25 */ SyscallDesc("stime", unimplementedFunc),
620    /*  26 */ SyscallDesc("ptrace", unimplementedFunc),
621    /*  27 */ SyscallDesc("alarm", unimplementedFunc),
622    /*  28 */ SyscallDesc("oldfstat", unimplementedFunc),
623    /*  29 */ SyscallDesc("pause", unimplementedFunc),
624    /*  30 */ SyscallDesc("utime", unimplementedFunc),
625    /*  31 */ SyscallDesc("stty", unimplementedFunc),
626    /*  32 */ SyscallDesc("gtty", unimplementedFunc),
627    /*  33 */ SyscallDesc("access", ignoreFunc),
628    /*  34 */ SyscallDesc("nice", unimplementedFunc),
629    /*  35 */ SyscallDesc("ftime", unimplementedFunc),
630    /*  36 */ SyscallDesc("sync", unimplementedFunc),
631    /*  37 */ SyscallDesc("kill", unimplementedFunc),
632    /*  38 */ SyscallDesc("rename", unimplementedFunc),
633    /*  39 */ SyscallDesc("mkdir", mkdirFunc),
634    /*  40 */ SyscallDesc("rmdir", mkdirFunc),
635    /*  41 */ SyscallDesc("dup", dupFunc),
636    /*  42 */ SyscallDesc("pipe", pipeFunc),
637    /*  43 */ SyscallDesc("times", timesFunc<X86Linux32>),
638    /*  44 */ SyscallDesc("prof", unimplementedFunc),
639    /*  45 */ SyscallDesc("brk", brkFunc),
640    /*  46 */ SyscallDesc("setgid", unimplementedFunc),
641    /*  47 */ SyscallDesc("getgid", getgidFunc),
642    /*  48 */ SyscallDesc("signal", unimplementedFunc),
643    /*  49 */ SyscallDesc("geteuid", geteuidFunc),
644    /*  50 */ SyscallDesc("getegid", getegidFunc),
645    /*  51 */ SyscallDesc("acct", unimplementedFunc),
646    /*  52 */ SyscallDesc("umount2", unimplementedFunc),
647    /*  53 */ SyscallDesc("lock", unimplementedFunc),
648    /*  54 */ SyscallDesc("ioctl", ioctlFunc<X86Linux32>),
649    /*  55 */ SyscallDesc("fcntl", fcntlFunc),
650    /*  56 */ SyscallDesc("mpx", unimplementedFunc),
651    /*  57 */ SyscallDesc("setpgid", setpgidFunc),
652    /*  58 */ SyscallDesc("ulimit", unimplementedFunc),
653    /*  59 */ SyscallDesc("oldolduname", unimplementedFunc),
654    /*  60 */ SyscallDesc("umask", umaskFunc),
655    /*  61 */ SyscallDesc("chroot", unimplementedFunc),
656    /*  62 */ SyscallDesc("ustat", unimplementedFunc),
657    /*  63 */ SyscallDesc("dup2", dup2Func),
658    /*  64 */ SyscallDesc("getppid", unimplementedFunc),
659    /*  65 */ SyscallDesc("getpgrp", unimplementedFunc),
660    /*  66 */ SyscallDesc("setsid", unimplementedFunc),
661    /*  67 */ SyscallDesc("sigaction", unimplementedFunc),
662    /*  68 */ SyscallDesc("sgetmask", unimplementedFunc),
663    /*  69 */ SyscallDesc("ssetmask", unimplementedFunc),
664    /*  70 */ SyscallDesc("setreuid", unimplementedFunc),
665    /*  71 */ SyscallDesc("setregid", unimplementedFunc),
666    /*  72 */ SyscallDesc("sigsuspend", unimplementedFunc),
667    /*  73 */ SyscallDesc("sigpending", unimplementedFunc),
668    /*  74 */ SyscallDesc("sethostname", unimplementedFunc),
669    /*  75 */ SyscallDesc("setrlimit", ignoreFunc),
670    /*  76 */ SyscallDesc("getrlimit", getrlimitFunc<X86Linux32>),
671    /*  77 */ SyscallDesc("getrusage", getrusageFunc<X86Linux32>),
672    /*  78 */ SyscallDesc("gettimeofday", unimplementedFunc),
673    /*  79 */ SyscallDesc("settimeofday", unimplementedFunc),
674    /*  80 */ SyscallDesc("getgroups", unimplementedFunc),
675    /*  81 */ SyscallDesc("setgroups", unimplementedFunc),
676    /*  82 */ SyscallDesc("select", selectFunc<X86Linux32>),
677    /*  83 */ SyscallDesc("symlink", unimplementedFunc),
678    /*  84 */ SyscallDesc("oldlstat", unimplementedFunc),
679    /*  85 */ SyscallDesc("readlink", readlinkFunc),
680    /*  86 */ SyscallDesc("uselib", unimplementedFunc),
681    /*  87 */ SyscallDesc("swapon", unimplementedFunc),
682    /*  88 */ SyscallDesc("reboot", unimplementedFunc),
683    /*  89 */ SyscallDesc("readdir", unimplementedFunc),
684    /*  90 */ SyscallDesc("mmap", unimplementedFunc),
685    /*  91 */ SyscallDesc("munmap", munmapFunc),
686    /*  92 */ SyscallDesc("truncate", truncateFunc),
687    /*  93 */ SyscallDesc("ftruncate", ftruncateFunc),
688    /*  94 */ SyscallDesc("fchmod", unimplementedFunc),
689    /*  95 */ SyscallDesc("fchown", unimplementedFunc),
690    /*  96 */ SyscallDesc("getpriority", unimplementedFunc),
691    /*  97 */ SyscallDesc("setpriority", ignoreFunc),
692    /*  98 */ SyscallDesc("profil", unimplementedFunc),
693    /*  99 */ SyscallDesc("statfs", ignoreFunc),
694    /* 100 */ SyscallDesc("fstatfs", unimplementedFunc),
695    /* 101 */ SyscallDesc("ioperm", unimplementedFunc),
696    /* 102 */ SyscallDesc("socketcall", unimplementedFunc),
697    /* 103 */ SyscallDesc("syslog", unimplementedFunc),
698    /* 104 */ SyscallDesc("setitimer", unimplementedFunc),
699    /* 105 */ SyscallDesc("getitimer", unimplementedFunc),
700    /* 106 */ SyscallDesc("stat", unimplementedFunc),
701    /* 107 */ SyscallDesc("lstat", unimplementedFunc),
702    /* 108 */ SyscallDesc("fstat", unimplementedFunc),
703    /* 109 */ SyscallDesc("olduname", unimplementedFunc),
704    /* 110 */ SyscallDesc("iopl", unimplementedFunc),
705    /* 111 */ SyscallDesc("vhangup", unimplementedFunc),
706    /* 112 */ SyscallDesc("idle", unimplementedFunc),
707    /* 113 */ SyscallDesc("vm86old", unimplementedFunc),
708    /* 114 */ SyscallDesc("wait4", wait4Func<X86Linux32>),
709    /* 115 */ SyscallDesc("swapoff", unimplementedFunc),
710    /* 116 */ SyscallDesc("sysinfo", sysinfoFunc<X86Linux32>),
711    /* 117 */ SyscallDesc("ipc", unimplementedFunc),
712    /* 118 */ SyscallDesc("fsync", unimplementedFunc),
713    /* 119 */ SyscallDesc("sigreturn", unimplementedFunc),
714    /* 120 */ SyscallDesc("clone", cloneFunc<X86Linux32>),
715    /* 121 */ SyscallDesc("setdomainname", unimplementedFunc),
716    /* 122 */ SyscallDesc("uname", unameFunc),
717    /* 123 */ SyscallDesc("modify_ldt", unimplementedFunc),
718    /* 124 */ SyscallDesc("adjtimex", unimplementedFunc),
719    /* 125 */ SyscallDesc("mprotect", ignoreFunc),
720    /* 126 */ SyscallDesc("sigprocmask", unimplementedFunc),
721    /* 127 */ SyscallDesc("create_module", unimplementedFunc),
722    /* 128 */ SyscallDesc("init_module", unimplementedFunc),
723    /* 129 */ SyscallDesc("delete_module", unimplementedFunc),
724    /* 130 */ SyscallDesc("get_kernel_syms", unimplementedFunc),
725    /* 131 */ SyscallDesc("quotactl", unimplementedFunc),
726    /* 132 */ SyscallDesc("getpgid", unimplementedFunc),
727    /* 133 */ SyscallDesc("fchdir", unimplementedFunc),
728    /* 134 */ SyscallDesc("bdflush", unimplementedFunc),
729    /* 135 */ SyscallDesc("sysfs", unimplementedFunc),
730    /* 136 */ SyscallDesc("personality", unimplementedFunc),
731    /* 137 */ SyscallDesc("afs_syscall", unimplementedFunc),
732    /* 138 */ SyscallDesc("setfsuid", unimplementedFunc),
733    /* 139 */ SyscallDesc("setfsgid", unimplementedFunc),
734    /* 140 */ SyscallDesc("_llseek", _llseekFunc),
735#if defined(SYS_getdents)
736    /* 141 */ SyscallDesc("getdents", getdentsFunc),
737#else
738    /* 141 */ SyscallDesc("getdents", unimplementedFunc),
739#endif
740    /* 142 */ SyscallDesc("_newselect", unimplementedFunc),
741    /* 143 */ SyscallDesc("flock", unimplementedFunc),
742    /* 144 */ SyscallDesc("msync", unimplementedFunc),
743    /* 145 */ SyscallDesc("readv", readvFunc<X86Linux32>),
744    /* 146 */ SyscallDesc("writev", writevFunc<X86Linux32>),
745    /* 147 */ SyscallDesc("getsid", unimplementedFunc),
746    /* 148 */ SyscallDesc("fdatasync", unimplementedFunc),
747    /* 149 */ SyscallDesc("_sysctl", unimplementedFunc),
748    /* 150 */ SyscallDesc("mlock", unimplementedFunc),
749    /* 151 */ SyscallDesc("munlock", unimplementedFunc),
750    /* 152 */ SyscallDesc("mlockall", unimplementedFunc),
751    /* 153 */ SyscallDesc("munlockall", unimplementedFunc),
752    /* 154 */ SyscallDesc("sched_setparam", unimplementedFunc),
753    /* 155 */ SyscallDesc("sched_getparam", unimplementedFunc),
754    /* 156 */ SyscallDesc("sched_setscheduler", unimplementedFunc),
755    /* 157 */ SyscallDesc("sched_getscheduler", unimplementedFunc),
756    /* 158 */ SyscallDesc("sched_yield", ignoreFunc),
757    /* 159 */ SyscallDesc("sched_get_priority_max", unimplementedFunc),
758    /* 160 */ SyscallDesc("sched_get_priority_min", unimplementedFunc),
759    /* 161 */ SyscallDesc("sched_rr_get_interval", unimplementedFunc),
760    /* 162 */ SyscallDesc("nanosleep", ignoreFunc),
761    /* 163 */ SyscallDesc("mremap", unimplementedFunc),
762    /* 164 */ SyscallDesc("setresuid", ignoreFunc),
763    /* 165 */ SyscallDesc("getresuid", unimplementedFunc),
764    /* 166 */ SyscallDesc("vm86", unimplementedFunc),
765    /* 167 */ SyscallDesc("query_module", unimplementedFunc),
766    /* 168 */ SyscallDesc("poll", pollFunc<X86Linux32>),
767    /* 169 */ SyscallDesc("nfsservctl", unimplementedFunc),
768    /* 170 */ SyscallDesc("setresgid", unimplementedFunc),
769    /* 171 */ SyscallDesc("getresgid", unimplementedFunc),
770    /* 172 */ SyscallDesc("prctl", unimplementedFunc),
771    /* 173 */ SyscallDesc("rt_sigreturn", unimplementedFunc),
772    /* 174 */ SyscallDesc("rt_sigaction", ignoreFunc),
773    /* 175 */ SyscallDesc("rt_sigprocmask", ignoreFunc),
774    /* 176 */ SyscallDesc("rt_sigpending", unimplementedFunc),
775    /* 177 */ SyscallDesc("rt_sigtimedwait", unimplementedFunc),
776    /* 178 */ SyscallDesc("rt_sigqueueinfo", unimplementedFunc),
777    /* 179 */ SyscallDesc("rt_sigsuspend", unimplementedFunc),
778    /* 180 */ SyscallDesc("pread64", unimplementedFunc),
779    /* 181 */ SyscallDesc("pwrite64", unimplementedFunc),
780    /* 182 */ SyscallDesc("chown", unimplementedFunc),
781    /* 183 */ SyscallDesc("getcwd", getcwdFunc),
782    /* 184 */ SyscallDesc("capget", unimplementedFunc),
783    /* 185 */ SyscallDesc("capset", unimplementedFunc),
784    /* 186 */ SyscallDesc("sigaltstack", unimplementedFunc),
785    /* 187 */ SyscallDesc("sendfile", unimplementedFunc),
786    /* 188 */ SyscallDesc("getpmsg", unimplementedFunc),
787    /* 189 */ SyscallDesc("putpmsg", unimplementedFunc),
788    /* 190 */ SyscallDesc("vfork", unimplementedFunc),
789    /* 191 */ SyscallDesc("ugetrlimit", ignoreFunc),
790    /* 192 */ SyscallDesc("mmap2", mmap2Func<X86Linux32>),
791    /* 193 */ SyscallDesc("truncate64", truncate64Func),
792    /* 194 */ SyscallDesc("ftruncate64", ftruncate64Func),
793    /* 195 */ SyscallDesc("stat64", stat64Func<X86Linux32>),
794    /* 196 */ SyscallDesc("lstat64", unimplementedFunc),
795    /* 197 */ SyscallDesc("fstat64", fstat64Func<X86Linux32>),
796    /* 198 */ SyscallDesc("lchown32", unimplementedFunc),
797    /* 199 */ SyscallDesc("getuid32", getuidFunc),
798    /* 200 */ SyscallDesc("getgid32", getgidFunc),
799    /* 201 */ SyscallDesc("geteuid32", geteuidFunc),
800    /* 202 */ SyscallDesc("getegid32", getegidFunc),
801    /* 203 */ SyscallDesc("setreuid32", unimplementedFunc),
802    /* 204 */ SyscallDesc("setregid32", unimplementedFunc),
803    /* 205 */ SyscallDesc("getgroups32", unimplementedFunc),
804    /* 206 */ SyscallDesc("setgroups32", unimplementedFunc),
805    /* 207 */ SyscallDesc("fchown32", unimplementedFunc),
806    /* 208 */ SyscallDesc("setresuid32", unimplementedFunc),
807    /* 209 */ SyscallDesc("getresuid32", unimplementedFunc),
808    /* 210 */ SyscallDesc("setresgid32", unimplementedFunc),
809    /* 211 */ SyscallDesc("getresgid32", unimplementedFunc),
810    /* 212 */ SyscallDesc("chown32", unimplementedFunc),
811    /* 213 */ SyscallDesc("setuid32", unimplementedFunc),
812    /* 214 */ SyscallDesc("setgid32", unimplementedFunc),
813    /* 215 */ SyscallDesc("setfsuid32", unimplementedFunc),
814    /* 216 */ SyscallDesc("setfsgid32", unimplementedFunc),
815    /* 217 */ SyscallDesc("pivot_root", unimplementedFunc),
816    /* 218 */ SyscallDesc("mincore", unimplementedFunc),
817    /* 219 */ SyscallDesc("madvise", ignoreFunc),
818    /* 220 */ SyscallDesc("madvise1", unimplementedFunc),
819    /* 221 */ SyscallDesc("getdents64", unimplementedFunc),
820    /* 222 */ SyscallDesc("fcntl64", unimplementedFunc),
821    /* 223 */ SyscallDesc("unused", unimplementedFunc),
822    /* 224 */ SyscallDesc("gettid", gettidFunc),
823    /* 225 */ SyscallDesc("readahead", unimplementedFunc),
824    /* 226 */ SyscallDesc("setxattr", unimplementedFunc),
825    /* 227 */ SyscallDesc("lsetxattr", unimplementedFunc),
826    /* 228 */ SyscallDesc("fsetxattr", unimplementedFunc),
827    /* 229 */ SyscallDesc("getxattr", unimplementedFunc),
828    /* 230 */ SyscallDesc("lgetxattr", unimplementedFunc),
829    /* 231 */ SyscallDesc("fgetxattr", unimplementedFunc),
830    /* 232 */ SyscallDesc("listxattr", unimplementedFunc),
831    /* 233 */ SyscallDesc("llistxattr", unimplementedFunc),
832    /* 234 */ SyscallDesc("flistxattr", unimplementedFunc),
833    /* 235 */ SyscallDesc("removexattr", unimplementedFunc),
834    /* 236 */ SyscallDesc("lremovexattr", unimplementedFunc),
835    /* 237 */ SyscallDesc("fremovexattr", unimplementedFunc),
836    /* 238 */ SyscallDesc("tkill", unimplementedFunc),
837    /* 239 */ SyscallDesc("sendfile64", unimplementedFunc),
838    /* 240 */ SyscallDesc("futex", unimplementedFunc),
839    /* 241 */ SyscallDesc("sched_setaffinity", unimplementedFunc),
840    /* 242 */ SyscallDesc("sched_getaffinity", ignoreFunc),
841    /* 243 */ SyscallDesc("set_thread_area", setThreadArea32Func),
842    /* 244 */ SyscallDesc("get_thread_area", unimplementedFunc),
843    /* 245 */ SyscallDesc("io_setup", unimplementedFunc),
844    /* 246 */ SyscallDesc("io_destroy", unimplementedFunc),
845    /* 247 */ SyscallDesc("io_getevents", unimplementedFunc),
846    /* 248 */ SyscallDesc("io_submit", unimplementedFunc),
847    /* 249 */ SyscallDesc("io_cancel", unimplementedFunc),
848    /* 250 */ SyscallDesc("fadvise64", unimplementedFunc),
849    /* 251 */ SyscallDesc("unused", unimplementedFunc),
850    /* 252 */ SyscallDesc("exit_group", exitFunc),
851    /* 253 */ SyscallDesc("lookup_dcookie", unimplementedFunc),
852    /* 254 */ SyscallDesc("epoll_create", unimplementedFunc),
853    /* 255 */ SyscallDesc("epoll_ctl", unimplementedFunc),
854    /* 256 */ SyscallDesc("epoll_wait", unimplementedFunc),
855    /* 257 */ SyscallDesc("remap_file_pages", unimplementedFunc),
856    /* 258 */ SyscallDesc("set_tid_address", setTidAddressFunc),
857    /* 259 */ SyscallDesc("timer_create", unimplementedFunc),
858    /* 260 */ SyscallDesc("timer_settime", unimplementedFunc),
859    /* 261 */ SyscallDesc("timer_gettime", unimplementedFunc),
860    /* 262 */ SyscallDesc("timer_getoverrun", unimplementedFunc),
861    /* 263 */ SyscallDesc("timer_delete", unimplementedFunc),
862    /* 264 */ SyscallDesc("clock_settime", unimplementedFunc),
863    /* 265 */ SyscallDesc("clock_gettime", clock_gettimeFunc<X86Linux32>),
864    /* 266 */ SyscallDesc("clock_getres", unimplementedFunc),
865    /* 267 */ SyscallDesc("clock_nanosleep", unimplementedFunc),
866    /* 268 */ SyscallDesc("statfs64", unimplementedFunc),
867    /* 269 */ SyscallDesc("fstatfs64", unimplementedFunc),
868    /* 270 */ SyscallDesc("tgkill", tgkillFunc<X86Linux32>),
869    /* 271 */ SyscallDesc("utimes", unimplementedFunc),
870    /* 272 */ SyscallDesc("fadvise64_64", unimplementedFunc),
871    /* 273 */ SyscallDesc("vserver", unimplementedFunc),
872    /* 274 */ SyscallDesc("mbind", unimplementedFunc),
873    /* 275 */ SyscallDesc("get_mempolicy", ignoreFunc),
874    /* 276 */ SyscallDesc("set_mempolicy", unimplementedFunc),
875    /* 277 */ SyscallDesc("mq_open", unimplementedFunc),
876    /* 278 */ SyscallDesc("mq_unlink", unimplementedFunc),
877    /* 279 */ SyscallDesc("mq_timedsend", unimplementedFunc),
878    /* 280 */ SyscallDesc("mq_timedreceive", unimplementedFunc),
879    /* 281 */ SyscallDesc("mq_notify", unimplementedFunc),
880    /* 282 */ SyscallDesc("mq_getsetattr", unimplementedFunc),
881    /* 283 */ SyscallDesc("kexec_load", unimplementedFunc),
882    /* 284 */ SyscallDesc("waitid", unimplementedFunc),
883    /* 285 */ SyscallDesc("sys_setaltroot", unimplementedFunc),
884    /* 286 */ SyscallDesc("add_key", unimplementedFunc),
885    /* 287 */ SyscallDesc("request_key", unimplementedFunc),
886    /* 288 */ SyscallDesc("keyctl", unimplementedFunc),
887    /* 289 */ SyscallDesc("ioprio_set", unimplementedFunc),
888    /* 290 */ SyscallDesc("ioprio_get", unimplementedFunc),
889    /* 291 */ SyscallDesc("inotify_init", unimplementedFunc),
890    /* 292 */ SyscallDesc("inotify_add_watch", unimplementedFunc),
891    /* 293 */ SyscallDesc("inotify_rm_watch", unimplementedFunc),
892    /* 294 */ SyscallDesc("migrate_pages", unimplementedFunc),
893    /* 295 */ SyscallDesc("openat", openatFunc<X86Linux32>),
894    /* 296 */ SyscallDesc("mkdirat", unimplementedFunc),
895    /* 297 */ SyscallDesc("mknodat", unimplementedFunc),
896    /* 298 */ SyscallDesc("fchownat", unimplementedFunc),
897    /* 299 */ SyscallDesc("futimesat", unimplementedFunc),
898    /* 300 */ SyscallDesc("fstatat64", unimplementedFunc),
899    /* 301 */ SyscallDesc("unlinkat", unimplementedFunc),
900    /* 302 */ SyscallDesc("renameat", unimplementedFunc),
901    /* 303 */ SyscallDesc("linkat", unimplementedFunc),
902    /* 304 */ SyscallDesc("symlinkat", unimplementedFunc),
903    /* 305 */ SyscallDesc("readlinkat", readlinkFunc),
904    /* 306 */ SyscallDesc("fchmodat", unimplementedFunc),
905    /* 307 */ SyscallDesc("faccessat", unimplementedFunc),
906    /* 308 */ SyscallDesc("pselect6", unimplementedFunc),
907    /* 309 */ SyscallDesc("ppoll", unimplementedFunc),
908    /* 310 */ SyscallDesc("unshare", unimplementedFunc),
909    /* 311 */ SyscallDesc("set_robust_list", ignoreFunc),
910    /* 312 */ SyscallDesc("get_robust_list", ignoreFunc),
911    /* 313 */ SyscallDesc("splice", unimplementedFunc),
912    /* 314 */ SyscallDesc("sync_file_range", unimplementedFunc),
913    /* 315 */ SyscallDesc("tee", unimplementedFunc),
914    /* 316 */ SyscallDesc("vmsplice", unimplementedFunc),
915    /* 317 */ SyscallDesc("move_pages", unimplementedFunc),
916    /* 318 */ SyscallDesc("getcpu", unimplementedFunc),
917    /* 319 */ SyscallDesc("epoll_pwait", unimplementedFunc),
918    /* 320 */ SyscallDesc("utimensat", unimplementedFunc),
919    /* 321 */ SyscallDesc("signalfd", unimplementedFunc),
920    /* 322 */ SyscallDesc("timerfd", unimplementedFunc),
921    /* 323 */ SyscallDesc("eventfd", eventfdFunc<X86Linux32>)
922};
923
924I386LinuxProcess::I386LinuxProcess(ProcessParams * params, ObjectFile *objFile)
925    : I386Process(params, objFile, syscallDescs32,
926                  sizeof(syscallDescs32) / sizeof(SyscallDesc))
927{}
928
929void I386LinuxProcess::clone(ThreadContext *old_tc, ThreadContext *new_tc,
930                             Process *process, RegVal flags)
931{
932    I386Process::clone(old_tc, new_tc, (I386Process*)process, flags);
933}
934