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432ecdfbdcdf9316dcd2daabc79db2f27b72960b
gem5/src/arch/x86/linux/process.cc
Kyle Roarty 432ecdfbdc sim-se: Ignore unimplemented system call 
System call sched_setaffinity causes crashes when running programs
that use ROCm. Ignoring the system call allows for the programs
to run to completion.

Change-Id: I27c767ef81091789e228d47f2bb5f6fa18f11539
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/30154
Reviewed-by: Brandon Potter <Brandon.Potter@amd.com>
Reviewed-by: Matt Sinclair <mattdsinclair@gmail.com>
Maintainer: Brandon Potter <Brandon.Potter@amd.com>
Tested-by: kokoro <noreply+kokoro@google.com>
2020-06-11 21:00:12 +00:00

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/*
* Copyright (c) 2007 The Hewlett-Packard Development Company
* 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.
*
* 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.
*/
#include "arch/x86/linux/process.hh"
#include <sys/syscall.h>
#include "arch/x86/isa_traits.hh"
#include "arch/x86/linux/linux.hh"
#include "arch/x86/registers.hh"
#include "base/loader/object_file.hh"
#include "base/trace.hh"
#include "cpu/thread_context.hh"
#include "kern/linux/linux.hh"
#include "sim/process.hh"
#include "sim/syscall_desc.hh"
#include "sim/syscall_emul.hh"
using namespace std;
using namespace X86ISA;
namespace
{
class X86LinuxObjectFileLoader : public Process::Loader
{
public:
Process *
load(ProcessParams *params, ::Loader::ObjectFile *obj_file) override
{
auto arch = obj_file->getArch();
auto opsys = obj_file->getOpSys();
if (arch != ::Loader::X86_64 && arch != ::Loader::I386)
return nullptr;
if (opsys == ::Loader::UnknownOpSys) {
warn("Unknown operating system; assuming Linux.");
opsys = ::Loader::Linux;
}
if (opsys != ::Loader::Linux)
return nullptr;
if (arch == ::Loader::X86_64)
return new X86_64LinuxProcess(params, obj_file);
else
return new I386LinuxProcess(params, obj_file);
}
};
X86LinuxObjectFileLoader loader;
} // anonymous namespace
/// Target uname() handler.
static SyscallReturn
unameFunc(SyscallDesc *desc, ThreadContext *tc, Addr utsname)
{
auto process = tc->getProcessPtr();
TypedBufferArg<Linux::utsname> name(utsname);
strcpy(name->sysname, "Linux");
strcpy(name->nodename, "sim.gem5.org");
strcpy(name->release, process->release.c_str());
strcpy(name->version, "#1 Mon Aug 18 11:32:15 EDT 2003");
strcpy(name->machine, "x86_64");
name.copyOut(tc->getVirtProxy());
return 0;
}
static SyscallReturn
archPrctlFunc(SyscallDesc *desc, ThreadContext *tc, int code, uint64_t addr)
{
enum ArchPrctlCodes
{
SetFS = 0x1002,
GetFS = 0x1003,
SetGS = 0x1001,
GetGS = 0x1004
};
uint64_t fsBase, gsBase;
PortProxy &p = tc->getVirtProxy();
switch(code)
{
// Each of these valid options should actually check addr.
case SetFS:
tc->setMiscRegNoEffect(MISCREG_FS_BASE, addr);
tc->setMiscRegNoEffect(MISCREG_FS_EFF_BASE, addr);
return 0;
case GetFS:
fsBase = tc->readMiscRegNoEffect(MISCREG_FS_BASE);
p.write(addr, fsBase);
return 0;
case SetGS:
tc->setMiscRegNoEffect(MISCREG_GS_BASE, addr);
tc->setMiscRegNoEffect(MISCREG_GS_EFF_BASE, addr);
return 0;
case GetGS:
gsBase = tc->readMiscRegNoEffect(MISCREG_GS_BASE);
p.write(addr, gsBase);
return 0;
default:
return -EINVAL;
}
}
BitUnion32(UserDescFlags)
Bitfield<0> seg_32bit;
Bitfield<2, 1> contents;
Bitfield<3> read_exec_only;
Bitfield<4> limit_in_pages;
Bitfield<5> seg_not_present;
Bitfield<6> useable;
EndBitUnion(UserDescFlags)
struct UserDesc32 {
uint32_t entry_number;
uint32_t base_addr;
uint32_t limit;
uint32_t flags;
};
struct UserDesc64 {
uint32_t entry_number;
uint32_t __padding1;
uint64_t base_addr;
uint32_t limit;
uint32_t flags;
};
static SyscallReturn
setThreadArea32Func(SyscallDesc *desc, ThreadContext *tc, Addr userDescPtr)
{
const int minTLSEntry = 6;
const int numTLSEntries = 3;
const int maxTLSEntry = minTLSEntry + numTLSEntries - 1;
auto process = tc->getProcessPtr();
X86Process *x86p = dynamic_cast<X86Process *>(process);
assert(x86p);
assert((maxTLSEntry + 1) * sizeof(uint64_t) <= x86p->gdtSize());
TypedBufferArg<UserDesc32> userDesc(userDescPtr);
TypedBufferArg<uint64_t>
gdt(x86p->gdtStart() + minTLSEntry * sizeof(uint64_t),
numTLSEntries * sizeof(uint64_t));
if (!userDesc.copyIn(tc->getVirtProxy()))
return -EFAULT;
if (!gdt.copyIn(tc->getVirtProxy()))
panic("Failed to copy in GDT for %s.\n", desc->name());
if (userDesc->entry_number == (uint32_t)(-1)) {
// Find a free TLS entry.
for (int i = 0; i < numTLSEntries; i++) {
if (gdt[i] == 0) {
userDesc->entry_number = i + minTLSEntry;
break;
}
}
// We failed to find one.
if (userDesc->entry_number == (uint32_t)(-1))
return -ESRCH;
}
int index = userDesc->entry_number;
if (index < minTLSEntry || index > maxTLSEntry)
return -EINVAL;
index -= minTLSEntry;
// Build the entry we're going to add.
SegDescriptor segDesc = 0;
UserDescFlags flags = userDesc->flags;
segDesc.limitLow = bits(userDesc->limit, 15, 0);
segDesc.baseLow = bits(userDesc->base_addr, 23, 0);
segDesc.type.a = 1;
if (!flags.read_exec_only)
segDesc.type.w = 1;
if (bits((uint8_t)flags.contents, 0))
segDesc.type.e = 1;
if (bits((uint8_t)flags.contents, 1))
segDesc.type.codeOrData = 1;
segDesc.s = 1;
segDesc.dpl = 3;
if (!flags.seg_not_present)
segDesc.p = 1;
segDesc.limitHigh = bits(userDesc->limit, 19, 16);
if (flags.useable)
segDesc.avl = 1;
segDesc.l = 0;
if (flags.seg_32bit)
segDesc.d = 1;
if (flags.limit_in_pages)
segDesc.g = 1;
segDesc.baseHigh = bits(userDesc->base_addr, 31, 24);
gdt[index] = (uint64_t)segDesc;
if (!userDesc.copyOut(tc->getVirtProxy()))
return -EFAULT;
if (!gdt.copyOut(tc->getVirtProxy()))
panic("Failed to copy out GDT for %s.\n", desc->name());
return 0;
}
const std::vector<IntRegIndex> X86_64LinuxProcess::SyscallABI::ArgumentRegs = {
INTREG_RDI, INTREG_RSI, INTREG_RDX, INTREG_R10W, INTREG_R8W, INTREG_R9W
};
static SyscallDescTable<X86_64LinuxProcess::SyscallABI> syscallDescs64 = {
{ 0, "read", readFunc<X86Linux64> },
{ 1, "write", writeFunc<X86Linux64> },
{ 2, "open", openFunc<X86Linux64> },
{ 3, "close", closeFunc },
{ 4, "stat", stat64Func<X86Linux64> },
{ 5, "fstat", fstat64Func<X86Linux64> },
{ 6, "lstat", lstat64Func<X86Linux64> },
{ 7, "poll", pollFunc<X86Linux64> },
{ 8, "lseek", lseekFunc },
{ 9, "mmap", mmapFunc<X86Linux64> },
{ 10, "mprotect", ignoreFunc },
{ 11, "munmap", munmapFunc },
{ 12, "brk", brkFunc },
{ 13, "rt_sigaction", ignoreWarnOnceFunc },
{ 14, "rt_sigprocmask", ignoreWarnOnceFunc },
{ 15, "rt_sigreturn" },
{ 16, "ioctl", ioctlFunc<X86Linux64> },
{ 17, "pread64", pread64Func<X86Linux64> },
{ 18, "pwrite64", pwrite64Func<X86Linux64> },
{ 19, "readv", readvFunc<X86Linux64> },
{ 20, "writev", writevFunc<X86Linux64> },
{ 21, "access", ignoreFunc },
{ 22, "pipe", pipeFunc },
{ 23, "select", selectFunc<X86Linux64> },
{ 24, "sched_yield", ignoreFunc },
{ 25, "mremap", mremapFunc<X86Linux64> },
{ 26, "msync" },
{ 27, "mincore" },
{ 28, "madvise", ignoreFunc },
{ 29, "shmget" },
{ 30, "shmat" },
{ 31, "shmctl" },
{ 32, "dup", dupFunc },
{ 33, "dup2", dup2Func },
{ 34, "pause" },
{ 35, "nanosleep", ignoreWarnOnceFunc },
{ 36, "getitimer" },
{ 37, "alarm" },
{ 38, "setitimer" },
{ 39, "getpid", getpidFunc },
{ 40, "sendfile" },
{ 41, "socket", socketFunc<X86Linux64> },
{ 42, "connect", connectFunc },
{ 43, "accept", acceptFunc<X86Linux64> },
{ 44, "sendto", sendtoFunc },
{ 45, "recvfrom", recvfromFunc },
{ 46, "sendmsg", sendmsgFunc },
{ 47, "recvmsg", recvmsgFunc },
{ 48, "shutdown", shutdownFunc },
{ 49, "bind", bindFunc },
{ 50, "listen", listenFunc },
{ 51, "getsockname", getsocknameFunc },
{ 52, "getpeername", getpeernameFunc },
{ 53, "socketpair", socketpairFunc<X86Linux64> },
{ 54, "setsockopt", setsockoptFunc },
{ 55, "getsockopt", getsockoptFunc },
{ 56, "clone", cloneFunc<X86Linux64> },
{ 57, "fork" },
{ 58, "vfork" },
{ 59, "execve", execveFunc<X86Linux64> },
{ 60, "exit", exitFunc },
{ 61, "wait4", wait4Func<X86Linux64> },
{ 62, "kill" },
{ 63, "uname", unameFunc },
{ 64, "semget" },
{ 65, "semop" },
{ 66, "semctl" },
{ 67, "shmdt" },
{ 68, "msgget" },
{ 69, "msgsnd" },
{ 70, "msgrcv" },
{ 71, "msgctl" },
{ 72, "fcntl", fcntlFunc },
{ 73, "flock" },
{ 74, "fsync" },
{ 75, "fdatasync" },
{ 76, "truncate", truncateFunc },
{ 77, "ftruncate", ftruncateFunc },
#if defined(SYS_getdents)
{ 78, "getdents", getdentsFunc },
#else
{ 78, "getdents" },
#endif
{ 79, "getcwd", getcwdFunc },
{ 80, "chdir", chdirFunc },
{ 81, "fchdir" },
{ 82, "rename", renameFunc },
{ 83, "mkdir", mkdirFunc },
{ 84, "rmdir", rmdirFunc },
{ 85, "creat" },
{ 86, "link", linkFunc },
{ 87, "unlink", unlinkFunc },
{ 88, "symlink", symlinkFunc },
{ 89, "readlink", readlinkFunc },
{ 90, "chmod" },
{ 91, "fchmod" },
{ 92, "chown" },
{ 93, "fchown" },
{ 94, "lchown" },
{ 95, "umask", umaskFunc },
{ 96, "gettimeofday", gettimeofdayFunc<X86Linux64> },
{ 97, "getrlimit", getrlimitFunc<X86Linux64> },
{ 98, "getrusage", getrusageFunc<X86Linux64> },
{ 99, "sysinfo", sysinfoFunc<X86Linux64> },
{ 100, "times", timesFunc<X86Linux64> },
{ 101, "ptrace" },
{ 102, "getuid", getuidFunc },
{ 103, "syslog" },
{ 104, "getgid", getgidFunc },
{ 105, "setuid" },
{ 106, "setgid" },
{ 107, "geteuid", geteuidFunc },
{ 108, "getegid", getegidFunc },
{ 109, "setpgid", setpgidFunc },
{ 110, "getppid", getppidFunc },
{ 111, "getpgrp", getpgrpFunc },
{ 112, "setsid" },
{ 113, "setreuid" },
{ 114, "setregid" },
{ 115, "getgroups" },
{ 116, "setgroups" },
{ 117, "setresuid", ignoreFunc },
{ 118, "getresuid" },
{ 119, "setresgid" },
{ 120, "getresgid" },
{ 121, "getpgid" },
{ 122, "setfsuid" },
{ 123, "setfsgid" },
{ 124, "getsid" },
{ 125, "capget" },
{ 126, "capset" },
{ 127, "rt_sigpending" },
{ 128, "rt_sigtimedwait" },
{ 129, "rt_sigqueueinfo" },
{ 130, "rt_sigsuspend" },
{ 131, "sigaltstack" },
{ 132, "utime" },
{ 133, "mknod", mknodFunc },
{ 134, "uselib" },
{ 135, "personality" },
{ 136, "ustat" },
{ 137, "statfs", statfsFunc<X86Linux64> },
{ 138, "fstatfs", fstatfsFunc<X86Linux64> },
{ 139, "sysfs" },
{ 140, "getpriority" },
{ 141, "setpriority", ignoreFunc },
{ 142, "sched_setparam" },
{ 143, "sched_getparam" },
{ 144, "sched_setscheduler" },
{ 145, "sched_getscheduler" },
{ 146, "sched_get_priority_max" },
{ 147, "sched_get_priority_min" },
{ 148, "sched_rr_get_interval" },
{ 149, "mlock" },
{ 150, "munlock" },
{ 151, "mlockall" },
{ 152, "munlockall" },
{ 153, "vhangup" },
{ 154, "modify_ldt" },
{ 155, "pivot_root" },
{ 156, "_sysctl" },
{ 157, "prctl" },
{ 158, "arch_prctl", archPrctlFunc },
{ 159, "adjtimex" },
{ 160, "setrlimit", ignoreFunc },
{ 161, "chroot" },
{ 162, "sync" },
{ 163, "acct" },
{ 164, "settimeofday" },
{ 165, "mount" },
{ 166, "umount2" },
{ 167, "swapon" },
{ 168, "swapoff" },
{ 169, "reboot" },
{ 170, "sethostname" },
{ 171, "setdomainname" },
{ 172, "iopl" },
{ 173, "ioperm" },
{ 174, "create_module" },
{ 175, "init_module" },
{ 176, "delete_module" },
{ 177, "get_kernel_syms" },
{ 178, "query_module" },
{ 179, "quotactl" },
{ 180, "nfsservctl" },
{ 181, "getpmsg" },
{ 182, "putpmsg" },
{ 183, "afs_syscall" },
{ 184, "tuxcall" },
{ 185, "security" },
{ 186, "gettid", gettidFunc },
{ 187, "readahead" },
{ 188, "setxattr" },
{ 189, "lsetxattr" },
{ 190, "fsetxattr" },
{ 191, "getxattr" },
{ 192, "lgetxattr" },
{ 193, "fgetxattr" },
{ 194, "listxattr" },
{ 195, "llistxattr" },
{ 196, "flistxattr" },
{ 197, "removexattr" },
{ 198, "lremovexattr" },
{ 199, "fremovexattr" },
{ 200, "tkill" },
{ 201, "time", timeFunc<X86Linux64> },
{ 202, "futex", futexFunc<X86Linux64> },
{ 203, "sched_setaffinity", ignoreFunc },
{ 204, "sched_getaffinity", ignoreFunc },
{ 205, "set_thread_area" },
{ 206, "io_setup" },
{ 207, "io_destroy" },
{ 208, "io_getevents" },
{ 209, "io_submit" },
{ 210, "io_cancel" },
{ 211, "get_thread_area" },
{ 212, "lookup_dcookie" },
{ 213, "epoll_create" },
{ 214, "epoll_ctl_old" },
{ 215, "epoll_wait_old" },
{ 216, "remap_file_pages" },
{ 217, "getdents64" },
{ 218, "set_tid_address", setTidAddressFunc },
{ 219, "restart_syscall" },
{ 220, "semtimedop" },
{ 221, "fadvise64", ignoreFunc },
{ 222, "timer_create" },
{ 223, "timer_settime" },
{ 224, "timer_gettime" },
{ 225, "timer_getoverrun" },
{ 226, "timer_delete" },
{ 227, "clock_settime" },
{ 228, "clock_gettime", clock_gettimeFunc<X86Linux64> },
{ 229, "clock_getres", clock_getresFunc<X86Linux64> },
{ 230, "clock_nanosleep" },
{ 231, "exit_group", exitGroupFunc },
{ 232, "epoll_wait" },
{ 233, "epoll_ctl" },
{ 234, "tgkill", tgkillFunc<X86Linux64> },
{ 235, "utimes" },
{ 236, "vserver" },
{ 237, "mbind" },
{ 238, "set_mempolicy" },
{ 239, "get_mempolicy", ignoreFunc },
{ 240, "mq_open" },
{ 241, "mq_unlink" },
{ 242, "mq_timedsend" },
{ 243, "mq_timedreceive" },
{ 244, "mq_notify" },
{ 245, "mq_getsetattr" },
{ 246, "kexec_load" },
{ 247, "waitid" },
{ 248, "add_key" },
{ 249, "request_key" },
{ 250, "keyctl" },
{ 251, "ioprio_set" },
{ 252, "ioprio_get" },
{ 253, "inotify_init" },
{ 254, "inotify_add_watch" },
{ 255, "inotify_rm_watch" },
{ 256, "migrate_pages" },
{ 257, "openat", openatFunc<X86Linux64> },
{ 258, "mkdirat" },
{ 259, "mknodat" },
{ 260, "fchownat" },
{ 261, "futimesat" },
{ 262, "newfstatat" },
{ 263, "unlinkat" },
{ 264, "renameat" },
{ 265, "linkat" },
{ 266, "symlinkat" },
{ 267, "readlinkat", readlinkFunc },
{ 268, "fchmodat" },
{ 269, "faccessat" },
{ 270, "pselect6" },
{ 271, "ppoll" },
{ 272, "unshare" },
{ 273, "set_robust_list", ignoreFunc },
{ 274, "get_robust_list" },
{ 275, "splice" },
{ 276, "tee" },
{ 277, "sync_file_range" },
{ 278, "vmsplice" },
{ 279, "move_pages" },
{ 280, "utimensat" },
{ 281, "epoll_pwait" },
{ 282, "signalfd" },
{ 283, "timerfd_create" },
{ 284, "eventfd", eventfdFunc<X86Linux64> },
{ 285, "fallocate", fallocateFunc },
{ 286, "timerfd_settime" },
{ 287, "timerfd_gettime" },
{ 288, "accept4" },
{ 289, "signalfd4" },
{ 290, "eventfd2", eventfdFunc<X86Linux64> },
{ 291, "epoll_create1" },
{ 292, "dup3" },
{ 293, "pipe2", pipe2Func },
{ 294, "inotify_init1" },
{ 295, "preadv" },
{ 296, "pwritev" },
{ 297, "rt_tgsigqueueinfo" },
{ 298, "perf_event_open" },
{ 299, "recvmmsg" },
{ 300, "fanotify_init" },
{ 301, "fanotify_mark" },
{ 302, "prlimit64", prlimitFunc<X86Linux64> },
{ 303, "name_to_handle_at" },
{ 304, "open_by_handle_at" },
{ 305, "clock_adjtime" },
{ 306, "syncfs" },
{ 307, "sendmmsg" },
{ 308, "setns" },
{ 309, "getcpu", getcpuFunc },
{ 310, "proess_vm_readv" },
{ 311, "proess_vm_writev" },
{ 312, "kcmp" },
{ 313, "finit_module" },
};
void
X86_64LinuxProcess::syscall(ThreadContext *tc, Fault *fault)
{
X86_64Process::syscall(tc, fault);
syscallDescs64.get(tc->readIntReg(INTREG_RAX))->doSyscall(tc, fault);
}
void
X86_64LinuxProcess::clone(ThreadContext *old_tc, ThreadContext *new_tc,
Process *process, RegVal flags)
{
X86_64Process::clone(old_tc, new_tc, (X86_64Process*)process, flags);
}
const std::vector<IntRegIndex> I386LinuxProcess::SyscallABI::ArgumentRegs = {
INTREG_EBX, INTREG_ECX, INTREG_EDX, INTREG_ESI, INTREG_EDI, INTREG_EBP
};
static SyscallDescTable<I386LinuxProcess::SyscallABI> syscallDescs32 = {
{ 0, "restart_syscall" },
{ 1, "exit", exitFunc },
{ 2, "fork" },
{ 3, "read", readFunc<X86Linux32> },
{ 4, "write", writeFunc<X86Linux32> },
{ 5, "open", openFunc<X86Linux32> },
{ 6, "close", closeFunc },
{ 7, "waitpid" },
{ 8, "creat" },
{ 9, "link" },
{ 10, "unlink" },
{ 11, "execve", execveFunc<X86Linux32> },
{ 12, "chdir", chdirFunc },
{ 13, "time", timeFunc<X86Linux32> },
{ 14, "mknod", mknodFunc },
{ 15, "chmod" },
{ 16, "lchown" },
{ 17, "break" },
{ 18, "oldstat" },
{ 19, "lseek" },
{ 20, "getpid", getpidFunc },
{ 21, "mount" },
{ 22, "umount" },
{ 23, "setuid" },
{ 24, "getuid", getuidFunc },
{ 25, "stime" },
{ 26, "ptrace" },
{ 27, "alarm" },
{ 28, "oldfstat" },
{ 29, "pause" },
{ 30, "utime" },
{ 31, "stty" },
{ 32, "gtty" },
{ 33, "access", ignoreFunc },
{ 34, "nice" },
{ 35, "ftime" },
{ 36, "sync" },
{ 37, "kill" },
{ 38, "rename" },
{ 39, "mkdir", mkdirFunc },
{ 40, "rmdir", mkdirFunc },
{ 41, "dup", dupFunc },
{ 42, "pipe", pipeFunc },
{ 43, "times", timesFunc<X86Linux32> },
{ 44, "prof" },
{ 45, "brk", brkFunc },
{ 46, "setgid" },
{ 47, "getgid", getgidFunc },
{ 48, "signal" },
{ 49, "geteuid", geteuidFunc },
{ 50, "getegid", getegidFunc },
{ 51, "acct" },
{ 52, "umount2" },
{ 53, "lock" },
{ 54, "ioctl", ioctlFunc<X86Linux32> },
{ 55, "fcntl", fcntlFunc },
{ 56, "mpx" },
{ 57, "setpgid", setpgidFunc },
{ 58, "ulimit" },
{ 59, "oldolduname" },
{ 60, "umask", umaskFunc },
{ 61, "chroot" },
{ 62, "ustat" },
{ 63, "dup2", dup2Func },
{ 64, "getppid" },
{ 65, "getpgrp" },
{ 66, "setsid" },
{ 67, "sigaction" },
{ 68, "sgetmask" },
{ 69, "ssetmask" },
{ 70, "setreuid" },
{ 71, "setregid" },
{ 72, "sigsuspend" },
{ 73, "sigpending" },
{ 74, "sethostname" },
{ 75, "setrlimit", ignoreFunc },
{ 76, "getrlimit", getrlimitFunc<X86Linux32> },
{ 77, "getrusage", getrusageFunc<X86Linux32> },
{ 78, "gettimeofday" },
{ 79, "settimeofday" },
{ 80, "getgroups" },
{ 81, "setgroups" },
{ 82, "select", selectFunc<X86Linux32> },
{ 83, "symlink" },
{ 84, "oldlstat" },
{ 85, "readlink", readlinkFunc },
{ 86, "uselib" },
{ 87, "swapon" },
{ 88, "reboot" },
{ 89, "readdir" },
{ 90, "mmap" },
{ 91, "munmap", munmapFunc },
{ 92, "truncate", truncateFunc },
{ 93, "ftruncate", ftruncateFunc },
{ 94, "fchmod" },
{ 95, "fchown" },
{ 96, "getpriority" },
{ 97, "setpriority", ignoreFunc },
{ 98, "profil" },
{ 99, "statfs", ignoreFunc },
{ 100, "fstatfs" },
{ 101, "ioperm" },
{ 102, "socketcall" },
{ 103, "syslog" },
{ 104, "setitimer" },
{ 105, "getitimer" },
{ 106, "stat" },
{ 107, "lstat" },
{ 108, "fstat" },
{ 109, "olduname" },
{ 110, "iopl" },
{ 111, "vhangup" },
{ 112, "idle" },
{ 113, "vm86old" },
{ 114, "wait4", wait4Func<X86Linux32> },
{ 115, "swapoff" },
{ 116, "sysinfo", sysinfoFunc<X86Linux32> },
{ 117, "ipc" },
{ 118, "fsync" },
{ 119, "sigreturn" },
{ 120, "clone", cloneFunc<X86Linux32> },
{ 121, "setdomainname" },
{ 122, "uname", unameFunc },
{ 123, "modify_ldt" },
{ 124, "adjtimex" },
{ 125, "mprotect", ignoreFunc },
{ 126, "sigprocmask" },
{ 127, "create_module" },
{ 128, "init_module" },
{ 129, "delete_module" },
{ 130, "get_kernel_syms" },
{ 131, "quotactl" },
{ 132, "getpgid" },
{ 133, "fchdir" },
{ 134, "bdflush" },
{ 135, "sysfs" },
{ 136, "personality" },
{ 137, "afs_syscall" },
{ 138, "setfsuid" },
{ 139, "setfsgid" },
{ 140, "_llseek", _llseekFunc },
#if defined(SYS_getdents)
{ 141, "getdents", getdentsFunc },
#else
{ 141, "getdents" },
#endif
{ 142, "_newselect" },
{ 143, "flock" },
{ 144, "msync" },
{ 145, "readv", readvFunc<X86Linux32> },
{ 146, "writev", writevFunc<X86Linux32> },
{ 147, "getsid" },
{ 148, "fdatasync" },
{ 149, "_sysctl" },
{ 150, "mlock" },
{ 151, "munlock" },
{ 152, "mlockall" },
{ 153, "munlockall" },
{ 154, "sched_setparam" },
{ 155, "sched_getparam" },
{ 156, "sched_setscheduler" },
{ 157, "sched_getscheduler" },
{ 158, "sched_yield", ignoreFunc },
{ 159, "sched_get_priority_max" },
{ 160, "sched_get_priority_min" },
{ 161, "sched_rr_get_interval" },
{ 162, "nanosleep", ignoreFunc },
{ 163, "mremap" },
{ 164, "setresuid", ignoreFunc },
{ 165, "getresuid" },
{ 166, "vm86" },
{ 167, "query_module" },
{ 168, "poll", pollFunc<X86Linux32> },
{ 169, "nfsservctl" },
{ 170, "setresgid" },
{ 171, "getresgid" },
{ 172, "prctl" },
{ 173, "rt_sigreturn" },
{ 174, "rt_sigaction", ignoreFunc },
{ 175, "rt_sigprocmask", ignoreFunc },
{ 176, "rt_sigpending" },
{ 177, "rt_sigtimedwait" },
{ 178, "rt_sigqueueinfo" },
{ 179, "rt_sigsuspend" },
{ 180, "pread64", pread64Func<X86Linux64> },
{ 181, "pwrite64", pwrite64Func<X86Linux64> },
{ 182, "chown" },
{ 183, "getcwd", getcwdFunc },
{ 184, "capget" },
{ 185, "capset" },
{ 186, "sigaltstack" },
{ 187, "sendfile" },
{ 188, "getpmsg" },
{ 189, "putpmsg" },
{ 190, "vfork" },
{ 191, "ugetrlimit", ignoreFunc },
{ 192, "mmap2", mmap2Func<X86Linux32> },
{ 193, "truncate64", truncate64Func },
{ 194, "ftruncate64", ftruncate64Func },
{ 195, "stat64", stat64Func<X86Linux32> },
{ 196, "lstat64" },
{ 197, "fstat64", fstat64Func<X86Linux32> },
{ 198, "lchown32" },
{ 199, "getuid32", getuidFunc },
{ 200, "getgid32", getgidFunc },
{ 201, "geteuid32", geteuidFunc },
{ 202, "getegid32", getegidFunc },
{ 203, "setreuid32" },
{ 204, "setregid32" },
{ 205, "getgroups32" },
{ 206, "setgroups32" },
{ 207, "fchown32" },
{ 208, "setresuid32" },
{ 209, "getresuid32" },
{ 210, "setresgid32" },
{ 211, "getresgid32" },
{ 212, "chown32" },
{ 213, "setuid32" },
{ 214, "setgid32" },
{ 215, "setfsuid32" },
{ 216, "setfsgid32" },
{ 217, "pivot_root" },
{ 218, "mincore" },
{ 219, "madvise", ignoreFunc },
{ 220, "madvise1" },
{ 221, "getdents64" },
{ 222, "fcntl64" },
{ 223, "unused" },
{ 224, "gettid", gettidFunc },
{ 225, "readahead" },
{ 226, "setxattr" },
{ 227, "lsetxattr" },
{ 228, "fsetxattr" },
{ 229, "getxattr" },
{ 230, "lgetxattr" },
{ 231, "fgetxattr" },
{ 232, "listxattr" },
{ 233, "llistxattr" },
{ 234, "flistxattr" },
{ 235, "removexattr" },
{ 236, "lremovexattr" },
{ 237, "fremovexattr" },
{ 238, "tkill" },
{ 239, "sendfile64" },
{ 240, "futex" },
{ 241, "sched_setaffinity", ignoreFunc },
{ 242, "sched_getaffinity", ignoreFunc },
{ 243, "set_thread_area", setThreadArea32Func },
{ 244, "get_thread_area" },
{ 245, "io_setup" },
{ 246, "io_destroy" },
{ 247, "io_getevents" },
{ 248, "io_submit" },
{ 249, "io_cancel" },
{ 250, "fadvise64" },
{ 251, "unused" },
{ 252, "exit_group", exitFunc },
{ 253, "lookup_dcookie" },
{ 254, "epoll_create" },
{ 255, "epoll_ctl" },
{ 256, "epoll_wait" },
{ 257, "remap_file_pages" },
{ 258, "set_tid_address", setTidAddressFunc },
{ 259, "timer_create" },
{ 260, "timer_settime" },
{ 261, "timer_gettime" },
{ 262, "timer_getoverrun" },
{ 263, "timer_delete" },
{ 264, "clock_settime" },
{ 265, "clock_gettime", clock_gettimeFunc<X86Linux32> },
{ 266, "clock_getres" },
{ 267, "clock_nanosleep" },
{ 268, "statfs64" },
{ 269, "fstatfs64" },
{ 270, "tgkill", tgkillFunc<X86Linux32> },
{ 271, "utimes" },
{ 272, "fadvise64_64" },
{ 273, "vserver" },
{ 274, "mbind" },
{ 275, "get_mempolicy", ignoreFunc },
{ 276, "set_mempolicy" },
{ 277, "mq_open" },
{ 278, "mq_unlink" },
{ 279, "mq_timedsend" },
{ 280, "mq_timedreceive" },
{ 281, "mq_notify" },
{ 282, "mq_getsetattr" },
{ 283, "kexec_load" },
{ 284, "waitid" },
{ 285, "sys_setaltroot" },
{ 286, "add_key" },
{ 287, "request_key" },
{ 288, "keyctl" },
{ 289, "ioprio_set" },
{ 290, "ioprio_get" },
{ 291, "inotify_init" },
{ 292, "inotify_add_watch" },
{ 293, "inotify_rm_watch" },
{ 294, "migrate_pages" },
{ 295, "openat", openatFunc<X86Linux32> },
{ 296, "mkdirat" },
{ 297, "mknodat" },
{ 298, "fchownat" },
{ 299, "futimesat" },
{ 300, "fstatat64" },
{ 301, "unlinkat" },
{ 302, "renameat" },
{ 303, "linkat" },
{ 304, "symlinkat" },
{ 305, "readlinkat", readlinkFunc },
{ 306, "fchmodat" },
{ 307, "faccessat" },
{ 308, "pselect6" },
{ 309, "ppoll" },
{ 310, "unshare" },
{ 311, "set_robust_list", ignoreFunc },
{ 312, "get_robust_list", ignoreFunc },
{ 313, "splice" },
{ 314, "sync_file_range" },
{ 315, "tee" },
{ 316, "vmsplice" },
{ 317, "move_pages" },
{ 318, "getcpu", getcpuFunc },
{ 319, "epoll_pwait" },
{ 320, "utimensat" },
{ 321, "signalfd" },
{ 322, "timerfd" },
{ 323, "eventfd", eventfdFunc<X86Linux32> }
};
void
I386LinuxProcess::syscall(ThreadContext *tc, Fault *fault)
{
I386Process::syscall(tc, fault);
PCState pc = tc->pcState();
Addr eip = pc.pc();
if (eip >= vsyscallPage.base &&
eip < vsyscallPage.base + vsyscallPage.size) {
pc.npc(vsyscallPage.base + vsyscallPage.vsysexitOffset);
tc->pcState(pc);
}
syscallDescs32.get(tc->readIntReg(INTREG_RAX))->doSyscall(tc, fault);
}
void
I386LinuxProcess::clone(ThreadContext *old_tc, ThreadContext *new_tc,
Process *process, RegVal flags)
{
I386Process::clone(old_tc, new_tc, (I386Process*)process, flags);
}
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