3f722b991f
When accessing arguments for a syscall, the position of an argument depends on the policies of the ISA, how much space preceding arguments took up, and the "alignment" of the index for this particular argument into the number of possible storate locations. This change adjusts getSyscallArg to take its index parameter by reference instead of value and to adjust it to point to the possible location of the next argument on the stack, basically just after the current one. This way, the rules for the new argument can be applied locally without knowing about other arguments since those have already been taken into account implicitly. All system calls have also been changed to reflect the new interface. In a number of cases this made the implementation clearer since it encourages arguments to be collected in one place in order and then used as necessary later, as opposed to scattering them throughout the function or using them in place in long expressions. It also discourages using getSyscallArg over and over to retrieve the same value when a temporary would do the job.
344 lines
17 KiB
C++
344 lines
17 KiB
C++
/*
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* Copyright (c) 2003-2005 The Regents of The University of Michigan
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Authors: Ali Saidi
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*/
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#include "arch/sparc/isa_traits.hh"
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#include "arch/sparc/solaris/process.hh"
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#include "arch/sparc/registers.hh"
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#include "base/trace.hh"
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#include "cpu/thread_context.hh"
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#include "kern/solaris/solaris.hh"
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#include "sim/process.hh"
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#include "sim/syscall_emul.hh"
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using namespace std;
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using namespace SparcISA;
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/// Target uname() handler.
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static SyscallReturn
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unameFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
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ThreadContext *tc)
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{
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int index = 0;
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TypedBufferArg<Solaris::utsname> name(process->getSyscallArg(tc, index));
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strcpy(name->sysname, "SunOS");
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strcpy(name->nodename, "m5.eecs.umich.edu");
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strcpy(name->release, "5.9"); //?? do we want this or something newer?
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strcpy(name->version, "Generic_118558-21");
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strcpy(name->machine, "sun4u");
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name.copyOut(tc->getMemPort());
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return 0;
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}
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SyscallDesc SparcSolarisProcess::syscallDescs[] = {
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/* 0 */ SyscallDesc("syscall", unimplementedFunc),
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/* 1 */ SyscallDesc("exit", exitFunc),
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/* 2 */ SyscallDesc("fork", unimplementedFunc),
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/* 3 */ SyscallDesc("read", readFunc),
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/* 4 */ SyscallDesc("write", writeFunc),
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/* 5 */ SyscallDesc("open", openFunc<SparcSolaris>),
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/* 6 */ SyscallDesc("close", closeFunc),
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/* 7 */ SyscallDesc("wait", unimplementedFunc),
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/* 8 */ SyscallDesc("creat", unimplementedFunc),
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/* 9 */ SyscallDesc("link", unimplementedFunc),
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/* 10 */ SyscallDesc("unlink", unlinkFunc),
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/* 11 */ SyscallDesc("exec", unimplementedFunc),
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/* 12 */ SyscallDesc("chdir", unimplementedFunc),
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/* 13 */ SyscallDesc("time", unimplementedFunc),
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/* 14 */ SyscallDesc("mknod", unimplementedFunc),
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/* 15 */ SyscallDesc("chmod", chmodFunc<Solaris>),
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/* 16 */ SyscallDesc("chown", chownFunc),
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/* 17 */ SyscallDesc("brk", brkFunc),
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/* 18 */ SyscallDesc("stat", unimplementedFunc),
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/* 19 */ SyscallDesc("lseek", lseekFunc),
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/* 20 */ SyscallDesc("getpid", getpidFunc),
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/* 21 */ SyscallDesc("mount", unimplementedFunc),
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/* 22 */ SyscallDesc("umount", unimplementedFunc),
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/* 23 */ SyscallDesc("setuid", setuidFunc),
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/* 24 */ SyscallDesc("getuid", getuidFunc),
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/* 25 */ SyscallDesc("stime", unimplementedFunc),
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/* 26 */ SyscallDesc("pcsample", unimplementedFunc),
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/* 27 */ SyscallDesc("alarm", unimplementedFunc),
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/* 28 */ SyscallDesc("fstat", fstatFunc<SparcSolaris>),
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/* 29 */ SyscallDesc("pause", unimplementedFunc),
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/* 30 */ SyscallDesc("utime", unimplementedFunc),
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/* 31 */ SyscallDesc("stty", unimplementedFunc),
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/* 32 */ SyscallDesc("gtty", unimplementedFunc),
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/* 33 */ SyscallDesc("access", unimplementedFunc),
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/* 34 */ SyscallDesc("nice", unimplementedFunc),
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/* 35 */ SyscallDesc("statfs", unimplementedFunc),
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/* 36 */ SyscallDesc("sync", unimplementedFunc),
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/* 37 */ SyscallDesc("kill", unimplementedFunc),
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/* 38 */ SyscallDesc("fstatfs", unimplementedFunc),
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/* 39 */ SyscallDesc("pgrpsys", unimplementedFunc),
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/* 40 */ SyscallDesc("xenix", unimplementedFunc),
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/* 41 */ SyscallDesc("dup", unimplementedFunc),
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/* 42 */ SyscallDesc("pipe", pipePseudoFunc),
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/* 43 */ SyscallDesc("times", unimplementedFunc),
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/* 44 */ SyscallDesc("profil", unimplementedFunc),
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/* 45 */ SyscallDesc("plock", unimplementedFunc),
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/* 46 */ SyscallDesc("setgid", unimplementedFunc),
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/* 47 */ SyscallDesc("getgid", getgidFunc),
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/* 48 */ SyscallDesc("signal", unimplementedFunc),
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/* 49 */ SyscallDesc("msgsys", unimplementedFunc),
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/* 50 */ SyscallDesc("syssun", unimplementedFunc),
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/* 51 */ SyscallDesc("acct", unimplementedFunc),
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/* 52 */ SyscallDesc("shmsys", unimplementedFunc),
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/* 53 */ SyscallDesc("semsys", unimplementedFunc),
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/* 54 */ SyscallDesc("ioctl", unimplementedFunc),
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/* 55 */ SyscallDesc("uadmin", unimplementedFunc),
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/* 56 */ SyscallDesc("RESERVED", unimplementedFunc),
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/* 57 */ SyscallDesc("utssys", unimplementedFunc),
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/* 58 */ SyscallDesc("fdsync", unimplementedFunc),
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/* 59 */ SyscallDesc("execve", unimplementedFunc),
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/* 60 */ SyscallDesc("umask", umaskFunc),
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/* 61 */ SyscallDesc("chroot", unimplementedFunc),
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/* 62 */ SyscallDesc("fcntl", unimplementedFunc),
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/* 63 */ SyscallDesc("ulimit", unimplementedFunc),
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/* 64 */ SyscallDesc("reserved_64", unimplementedFunc),
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/* 65 */ SyscallDesc("reserved_65", unimplementedFunc),
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/* 66 */ SyscallDesc("reserved_66", unimplementedFunc),
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/* 67 */ SyscallDesc("reserved_67", unimplementedFunc),
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/* 68 */ SyscallDesc("reserved_68", unimplementedFunc),
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/* 69 */ SyscallDesc("reserved_69", unimplementedFunc),
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/* 70 */ SyscallDesc("tasksys", unimplementedFunc),
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/* 71 */ SyscallDesc("acctctl", unimplementedFunc),
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/* 72 */ SyscallDesc("reserved_72", unimplementedFunc),
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/* 73 */ SyscallDesc("getpagesizes", unimplementedFunc),
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/* 74 */ SyscallDesc("rctlsys", unimplementedFunc),
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/* 75 */ SyscallDesc("issetugid", unimplementedFunc),
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/* 76 */ SyscallDesc("fsat", unimplementedFunc),
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/* 77 */ SyscallDesc("lwp_park", unimplementedFunc),
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/* 78 */ SyscallDesc("sendfilev", unimplementedFunc),
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/* 79 */ SyscallDesc("rmdir", unimplementedFunc),
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/* 80 */ SyscallDesc("mkdir", unimplementedFunc),
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/* 81 */ SyscallDesc("getdents", unimplementedFunc),
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/* 82 */ SyscallDesc("reserved_82", unimplementedFunc),
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/* 83 */ SyscallDesc("reserved_83", unimplementedFunc),
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/* 84 */ SyscallDesc("sysfs", unimplementedFunc),
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/* 85 */ SyscallDesc("getmsg", unimplementedFunc),
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/* 86 */ SyscallDesc("putmsg", unimplementedFunc),
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/* 87 */ SyscallDesc("poll", unimplementedFunc),
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/* 88 */ SyscallDesc("lstat", unimplementedFunc),
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/* 89 */ SyscallDesc("symlink", unimplementedFunc),
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/* 90 */ SyscallDesc("readlink", readlinkFunc),
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/* 91 */ SyscallDesc("setgroups", unimplementedFunc),
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/* 92 */ SyscallDesc("getgroups", unimplementedFunc),
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/* 93 */ SyscallDesc("fchmod", unimplementedFunc),
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/* 94 */ SyscallDesc("fchown", unimplementedFunc),
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/* 95 */ SyscallDesc("sigprocmask", unimplementedFunc),
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/* 96 */ SyscallDesc("sigsuspend", unimplementedFunc),
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/* 97 */ SyscallDesc("sigaltstack", unimplementedFunc),
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/* 98 */ SyscallDesc("sigaction", unimplementedFunc),
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/* 99 */ SyscallDesc("sigpending", unimplementedFunc),
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/* 100 */ SyscallDesc("context", unimplementedFunc),
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/* 101 */ SyscallDesc("evsys", unimplementedFunc),
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/* 102 */ SyscallDesc("evtrapret", unimplementedFunc),
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/* 103 */ SyscallDesc("statvfs", unimplementedFunc),
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/* 104 */ SyscallDesc("fstatvfs", unimplementedFunc),
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/* 105 */ SyscallDesc("getloadavg", unimplementedFunc),
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/* 106 */ SyscallDesc("nfssys", unimplementedFunc),
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/* 107 */ SyscallDesc("waitsys", unimplementedFunc),
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/* 108 */ SyscallDesc("sigsendsys", unimplementedFunc),
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/* 109 */ SyscallDesc("hrtsys", unimplementedFunc),
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/* 110 */ SyscallDesc("acancel", unimplementedFunc),
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/* 111 */ SyscallDesc("async", unimplementedFunc),
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/* 112 */ SyscallDesc("priocntlsys", unimplementedFunc),
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/* 113 */ SyscallDesc("pathconf", unimplementedFunc),
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/* 114 */ SyscallDesc("mincore", unimplementedFunc),
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/* 115 */ SyscallDesc("mmap", mmapFunc<SparcSolaris>),
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/* 116 */ SyscallDesc("mprotect", unimplementedFunc),
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/* 117 */ SyscallDesc("munmap", munmapFunc),
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/* 118 */ SyscallDesc("fpathconf", unimplementedFunc),
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/* 119 */ SyscallDesc("vfork", unimplementedFunc),
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/* 120 */ SyscallDesc("fchdir", unimplementedFunc),
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/* 121 */ SyscallDesc("readv", unimplementedFunc),
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/* 122 */ SyscallDesc("writev", unimplementedFunc),
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/* 123 */ SyscallDesc("xstat", unimplementedFunc),
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/* 124 */ SyscallDesc("lxstat", unimplementedFunc),
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/* 125 */ SyscallDesc("fxstat", unimplementedFunc),
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/* 126 */ SyscallDesc("xmknod", unimplementedFunc),
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/* 127 */ SyscallDesc("clocal", unimplementedFunc),
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/* 128 */ SyscallDesc("setrlimit", unimplementedFunc),
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/* 129 */ SyscallDesc("getrlimit", unimplementedFunc),
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/* 130 */ SyscallDesc("lchown", unimplementedFunc),
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/* 131 */ SyscallDesc("memcntl", unimplementedFunc),
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/* 132 */ SyscallDesc("getpmsg", unimplementedFunc),
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/* 133 */ SyscallDesc("putpmsg", unimplementedFunc),
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/* 134 */ SyscallDesc("rename", unimplementedFunc),
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/* 135 */ SyscallDesc("uname", unameFunc),
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/* 136 */ SyscallDesc("setegid", unimplementedFunc),
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/* 137 */ SyscallDesc("sysconfig", unimplementedFunc),
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/* 138 */ SyscallDesc("adjtime", unimplementedFunc),
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/* 139 */ SyscallDesc("systeminfo", unimplementedFunc),
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/* 140 */ SyscallDesc("reserved_140", unimplementedFunc),
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/* 141 */ SyscallDesc("seteuid", unimplementedFunc),
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/* 142 */ SyscallDesc("vtrace", unimplementedFunc),
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/* 143 */ SyscallDesc("fork1", unimplementedFunc),
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/* 144 */ SyscallDesc("sigtimedwait", unimplementedFunc),
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/* 145 */ SyscallDesc("lwp_info", unimplementedFunc),
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/* 146 */ SyscallDesc("yield", unimplementedFunc),
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/* 147 */ SyscallDesc("lwp_sema_wait", unimplementedFunc),
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/* 148 */ SyscallDesc("lwp_sema_post", unimplementedFunc),
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/* 149 */ SyscallDesc("lwp_sema_trywait", unimplementedFunc),
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/* 150 */ SyscallDesc("lwp_detach", unimplementedFunc),
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/* 151 */ SyscallDesc("corectl", unimplementedFunc),
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/* 152 */ SyscallDesc("modctl", unimplementedFunc),
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/* 153 */ SyscallDesc("fchroot", unimplementedFunc),
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/* 154 */ SyscallDesc("utimes", unimplementedFunc),
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/* 155 */ SyscallDesc("vhangup", unimplementedFunc),
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/* 156 */ SyscallDesc("gettimeofday", unimplementedFunc),
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/* 157 */ SyscallDesc("getitimer", unimplementedFunc),
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/* 158 */ SyscallDesc("setitimer", unimplementedFunc),
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/* 159 */ SyscallDesc("lwp_create", unimplementedFunc),
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/* 160 */ SyscallDesc("lwp_exit", unimplementedFunc),
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/* 161 */ SyscallDesc("lwp_suspend", unimplementedFunc),
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/* 162 */ SyscallDesc("lwp_continue", unimplementedFunc),
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/* 163 */ SyscallDesc("lwp_kill", unimplementedFunc),
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/* 164 */ SyscallDesc("lwp_self", unimplementedFunc),
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/* 165 */ SyscallDesc("lwp_setprivate", unimplementedFunc),
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/* 166 */ SyscallDesc("lwp_getprivate", unimplementedFunc),
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/* 167 */ SyscallDesc("lwp_wait", unimplementedFunc),
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/* 168 */ SyscallDesc("lwp_mutex_wakeup", unimplementedFunc),
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/* 169 */ SyscallDesc("lwp_mutex_lock", unimplementedFunc),
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/* 170 */ SyscallDesc("lwp_cond_wait", unimplementedFunc),
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/* 171 */ SyscallDesc("lwp_cond_signal", unimplementedFunc),
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/* 172 */ SyscallDesc("lwp_cond_broadcast", unimplementedFunc),
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/* 173 */ SyscallDesc("pread", unimplementedFunc),
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/* 174 */ SyscallDesc("pwrite", unimplementedFunc),
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/* 175 */ SyscallDesc("llseek", unimplementedFunc),
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/* 176 */ SyscallDesc("inst_sync", unimplementedFunc),
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/* 177 */ SyscallDesc("srmlimitsys", unimplementedFunc),
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/* 178 */ SyscallDesc("kaio", unimplementedFunc),
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/* 179 */ SyscallDesc("cpc", unimplementedFunc),
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/* 180 */ SyscallDesc("lgrpsys_meminfosys", unimplementedFunc),
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/* 181 */ SyscallDesc("rusagesys", unimplementedFunc),
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/* 182 */ SyscallDesc("reserved_182", unimplementedFunc),
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/* 183 */ SyscallDesc("reserved_183", unimplementedFunc),
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/* 184 */ SyscallDesc("tsolsys", unimplementedFunc),
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/* 185 */ SyscallDesc("acl", unimplementedFunc),
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/* 186 */ SyscallDesc("auditsys", unimplementedFunc),
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/* 187 */ SyscallDesc("processor_bind", unimplementedFunc),
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/* 188 */ SyscallDesc("processor_info", unimplementedFunc),
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/* 189 */ SyscallDesc("p_online", unimplementedFunc),
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/* 190 */ SyscallDesc("sigqueue", unimplementedFunc),
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/* 191 */ SyscallDesc("clock_gettime", unimplementedFunc),
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/* 192 */ SyscallDesc("clock_settime", unimplementedFunc),
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/* 193 */ SyscallDesc("clock_getres", unimplementedFunc),
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/* 194 */ SyscallDesc("timer_create", unimplementedFunc),
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/* 195 */ SyscallDesc("timer_delete", unimplementedFunc),
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/* 196 */ SyscallDesc("timer_settime", unimplementedFunc),
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/* 197 */ SyscallDesc("timer_gettime", unimplementedFunc),
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/* 198 */ SyscallDesc("timer_getoverrun", unimplementedFunc),
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/* 199 */ SyscallDesc("nanosleep", unimplementedFunc),
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/* 200 */ SyscallDesc("facl", unimplementedFunc),
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/* 201 */ SyscallDesc("door", unimplementedFunc),
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/* 202 */ SyscallDesc("setreuid", unimplementedFunc),
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/* 203 */ SyscallDesc("setregid", unimplementedFunc),
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/* 204 */ SyscallDesc("install_utrap", unimplementedFunc),
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/* 205 */ SyscallDesc("signotify", unimplementedFunc),
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/* 206 */ SyscallDesc("schedctl", unimplementedFunc),
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/* 207 */ SyscallDesc("pset", unimplementedFunc),
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/* 208 */ SyscallDesc("sparc_utrap_install", unimplementedFunc),
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/* 209 */ SyscallDesc("resolvepath", unimplementedFunc),
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/* 210 */ SyscallDesc("signotifywait", unimplementedFunc),
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/* 211 */ SyscallDesc("lwp_sigredirect", unimplementedFunc),
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/* 212 */ SyscallDesc("lwp_alarm", unimplementedFunc),
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/* 213 */ SyscallDesc("getdents64", unimplementedFunc),
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/* 214 */ SyscallDesc("mmap64", unimplementedFunc),
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/* 215 */ SyscallDesc("stat64", unimplementedFunc),
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/* 216 */ SyscallDesc("lstat64", unimplementedFunc),
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/* 217 */ SyscallDesc("fstat64", unimplementedFunc),
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/* 218 */ SyscallDesc("statvfs64", unimplementedFunc),
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/* 219 */ SyscallDesc("fstatvfs64", unimplementedFunc),
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/* 220 */ SyscallDesc("setrlimit64", unimplementedFunc),
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/* 221 */ SyscallDesc("getrlimit64", unimplementedFunc),
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/* 222 */ SyscallDesc("pread64", unimplementedFunc),
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/* 223 */ SyscallDesc("pwrite64", unimplementedFunc),
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/* 224 */ SyscallDesc("creat64", unimplementedFunc),
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/* 225 */ SyscallDesc("open64", unimplementedFunc),
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/* 226 */ SyscallDesc("rpcsys", unimplementedFunc),
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/* 227 */ SyscallDesc("reserved_227", unimplementedFunc),
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/* 228 */ SyscallDesc("reserved_228", unimplementedFunc),
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/* 229 */ SyscallDesc("reserved_229", unimplementedFunc),
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/* 230 */ SyscallDesc("so_socket", unimplementedFunc),
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/* 231 */ SyscallDesc("so_socketpair", unimplementedFunc),
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/* 232 */ SyscallDesc("bind", unimplementedFunc),
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/* 233 */ SyscallDesc("listen", unimplementedFunc),
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/* 234 */ SyscallDesc("accept", unimplementedFunc),
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/* 235 */ SyscallDesc("connect", unimplementedFunc),
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/* 236 */ SyscallDesc("shutdown", unimplementedFunc),
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/* 237 */ SyscallDesc("recv", unimplementedFunc),
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/* 238 */ SyscallDesc("recvfrom", unimplementedFunc),
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/* 239 */ SyscallDesc("recvmsg", unimplementedFunc),
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/* 240 */ SyscallDesc("send", unimplementedFunc),
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/* 241 */ SyscallDesc("sendmsg", unimplementedFunc),
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/* 242 */ SyscallDesc("sendto", unimplementedFunc),
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/* 243 */ SyscallDesc("getpeername", unimplementedFunc),
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/* 244 */ SyscallDesc("getsockname", unimplementedFunc),
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/* 245 */ SyscallDesc("getsockopt", unimplementedFunc),
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/* 246 */ SyscallDesc("setsockopt", unimplementedFunc),
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/* 247 */ SyscallDesc("sockconfig", unimplementedFunc),
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/* 248 */ SyscallDesc("ntp_gettime", unimplementedFunc),
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/* 249 */ SyscallDesc("ntp_adjtime", unimplementedFunc),
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/* 250 */ SyscallDesc("lwp_mutex_unlock", unimplementedFunc),
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/* 251 */ SyscallDesc("lwp_mutex_trylock", unimplementedFunc),
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/* 252 */ SyscallDesc("lwp_mutex_init", unimplementedFunc),
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/* 253 */ SyscallDesc("cladm", unimplementedFunc),
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/* 254 */ SyscallDesc("lwp_sigtimedwait", unimplementedFunc),
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/* 255 */ SyscallDesc("umount2", unimplementedFunc)
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};
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SparcSolarisProcess::SparcSolarisProcess(LiveProcessParams * params,
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ObjectFile *objFile)
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: Sparc64LiveProcess(params, objFile),
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Num_Syscall_Descs(sizeof(syscallDescs) / sizeof(SyscallDesc))
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{
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// The sparc syscall table must be <= 284 entries because that is all there
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// is space for.
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assert(Num_Syscall_Descs <= 284);
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}
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SyscallDesc*
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SparcSolarisProcess::getDesc(int callnum)
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{
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if (callnum < 0 || callnum >= Num_Syscall_Descs)
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return NULL;
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return &syscallDescs[callnum];
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}
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