Merge zizzer:/bk/m5 into isabel.reinhardt.house:/z/stever/bk/m5

--HG--
extra : convert_revision : d66ebc598fdcfc9477ea5a1e455b21d7b9e56936

1 files changed, 1756 insertions, 0 deletions

diff --git a/arch/alpha/alpha_tru64_process.cc b/arch/alpha/alpha_tru64_process.cc
new file mode 100644
index 000000000..85648e68c
--- /dev/null
+++ b/arch/alpha/alpha_tru64_process.cc
@@ -0,0 +1,1756 @@
+/*
+ * Copyright (c) 2003 The Regents of The University of Michigan
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <errno.h>
+#include <unistd.h>
+#include <fcntl.h>	// for host open() flags
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <string.h>	// for memset()
+#include <dirent.h>
+
+#include "sim/host.hh"
+#include "cpu/base_cpu.hh"
+#include "mem/functional_mem/functional_memory.hh"
+#include "sim/process.hh"
+#include "cpu/exec_context.hh"
+#include "sim/fake_syscall.hh"
+
+#include "arch/alpha/alpha_common_syscall_emul.hh"
+#include "arch/alpha/alpha_tru64_process.hh"
+
+#include "sim/syscall_emul.hh"
+#include "sim/universe.hh"	// for curTick & ticksPerSecond
+
+#include "base/trace.hh"
+
+using namespace std;
+
+class Tru64 {
+
+public:
+
+//
+// basic Tru64 types
+//
+
+typedef uint64_t size_t;
+typedef uint64_t off_t;
+typedef uint16_t nlink_t;
+typedef int32_t  dev_t;
+typedef uint32_t uid_t;
+typedef uint32_t gid_t;
+typedef uint32_t time_t;
+typedef uint32_t mode_t;
+typedef uint32_t ino_t;
+
+// open(2) flags
+static const int TGT_O_RDONLY	 = 00000000;
+static const int TGT_O_WRONLY	 = 00000001;
+static const int TGT_O_RDWR	 = 00000002;
+static const int TGT_O_NONBLOCK  = 00000004;
+static const int TGT_O_APPEND	 = 00000010;
+static const int TGT_O_CREAT	 = 00001000;
+static const int TGT_O_TRUNC	 = 00002000;
+static const int TGT_O_EXCL	 = 00004000;
+static const int TGT_O_NOCTTY	 = 00010000;
+static const int TGT_O_SYNC	 = 00040000;
+static const int TGT_O_DRD	 = 00100000;
+static const int TGT_O_DIRECTIO  = 00200000;
+static const int TGT_O_CACHE	 = 00400000;
+static const int TGT_O_DSYNC	 = 02000000;
+static const int TGT_O_RSYNC	 = 04000000;
+
+static OpenFlagTransTable openFlagTable[];
+static const int NUM_OPEN_FLAGS;
+
+//
+// Stat buffer.  Note that Tru64 v5.0+ use a new "F64" stat structure,
+// and a new set of syscall numbers for stat calls.  Backwards
+// compatibility with v4.x should be feasible by implementing another
+// set of stat functions using the old structure definition and
+// binding them to the old syscall numbers, but we haven't done that
+// yet.
+//
+
+struct F64_stat {
+    dev_t	st_dev;
+    int32_t	st_retired1;
+    mode_t	st_mode;
+    nlink_t	st_nlink;
+    uint16_t	st_nlink_reserved;
+    uid_t	st_uid;
+    gid_t	st_gid;
+    dev_t	st_rdev;
+    dev_t	st_ldev;
+    off_t	st_size;
+    time_t	st_retired2;
+    int32_t	st_uatime;
+    time_t	st_retired3;
+    int32_t	st_umtime;
+    time_t	st_retired4;
+    int32_t	st_uctime;
+    int32_t	st_retired5;
+    int32_t	st_retired6;
+    uint32_t	st_flags;
+    uint32_t	st_gen;
+    uint64_t	st_spare[4];
+    ino_t	st_ino;
+    int32_t	st_ino_reserved;
+    time_t	st_atimeX;
+    int32_t	st_atime_reserved;
+    time_t	st_mtimeX;
+    int32_t	st_mtime_reserved;
+    time_t	st_ctimeX;
+    int32_t	st_ctime_reserved;
+    uint64_t	st_blksize;
+    uint64_t	st_blocks;
+};
+
+
+//
+// for getdirentries()
+//
+
+struct dirent
+{
+    ino_t d_ino;		/* file number of entry */
+    uint16_t d_reclen;		/* length of this record */
+    uint16_t d_namlen;		/* length of string in d_name */
+    char d_name[256];		/* dummy name length */
+};
+
+
+//
+// for uname()
+//
+
+static const int _SYS_NMLN = 32;
+
+struct utsname {
+    char sysname[_SYS_NMLN];
+    char nodename[_SYS_NMLN];
+    char release[_SYS_NMLN];
+    char version[_SYS_NMLN];
+    char machine[_SYS_NMLN];
+};
+
+
+//
+// for ioctl()
+//
+
+static const unsigned TIOCGETP   = 0x40067408;
+static const unsigned TIOCSETP   = 0x80067409;
+static const unsigned TIOCSETN   = 0x8006740a;
+static const unsigned TIOCSETC   = 0x80067411;
+static const unsigned TIOCGETC   = 0x40067412;
+static const unsigned FIONREAD   = 0x4004667f;
+static const unsigned TIOCISATTY = 0x2000745e;
+
+//
+// for getrlimit()
+//
+
+enum rlimit_resources {
+    RLIMIT_CPU = 0,
+    RLIMIT_FSIZE = 1,
+    RLIMIT_DATA = 2,
+    RLIMIT_STACK = 3,
+    RLIMIT_CORE = 4,
+    RLIMIT_RSS = 5,
+    RLIMIT_NOFILE = 6,
+    RLIMIT_AS = 7,
+    RLIMIT_VMEM = 7
+};
+
+struct rlimit {
+    uint64_t  rlim_cur;	// soft limit
+    uint64_t  rlim_max;	// hard limit
+};
+
+
+//
+// for mmap()
+//
+    static const unsigned TGT_MAP_ANONYMOUS = 0x10;
+
+
+//
+// for getsysinfo()
+//
+
+static const unsigned GSI_PLATFORM_NAME = 103;	// get platform name as string
+static const unsigned GSI_CPU_INFO = 59;	// CPU information
+static const unsigned GSI_PROC_TYPE = 60;	// get proc_type
+static const unsigned GSI_MAX_CPU = 30;	// max # cpu's on this machine
+static const unsigned GSI_CPUS_IN_BOX = 55;	// number of processors in system
+static const unsigned GSI_PHYSMEM = 19;	// Amount of physical memory in KB
+static const unsigned GSI_CLK_TCK = 42;	// clock freq in Hz
+
+struct cpu_info {
+    uint32_t     current_cpu;
+    uint32_t     cpus_in_box;
+    uint32_t     cpu_type;
+    uint32_t     ncpus;
+    uint64_t cpus_present;
+    uint64_t cpus_running;
+    uint64_t cpu_binding;
+    uint64_t cpu_ex_binding;
+    uint32_t     mhz;
+    uint32_t     unused[3];      // future expansion
+};
+
+//
+// for gettimeofday
+//
+
+struct timeval {
+    uint32_t tv_sec;
+    uint32_t tv_usec;
+};
+
+//
+// for getrusage
+//
+
+
+static const int RUSAGE_THREAD = 1;
+static const int RUSAGE_SELF = 0;
+static const int RUSAGE_CHILDREN = -1;
+
+struct rusage {
+     struct timeval ru_utime;	// user time used
+     struct timeval ru_stime;	// system time used
+     uint64_t ru_maxrss;
+     uint64_t ru_ixrss;		// integral shared memory size
+     uint64_t ru_idrss;		// integral unshared data "
+     uint64_t ru_isrss;		// integral unshared stack "
+     uint64_t ru_minflt;		// page reclaims - total vmfaults
+     uint64_t ru_majflt;		// page faults
+     uint64_t ru_nswap;		// swaps
+     uint64_t ru_inblock;	// block input operations
+     uint64_t ru_oublock;	// block output operations
+     uint64_t ru_msgsnd;		// messages sent
+     uint64_t ru_msgrcv;		// messages received
+     uint64_t ru_nsignals;	// signals received
+     uint64_t ru_nvcsw;		// voluntary context switches
+     uint64_t ru_nivcsw;		// involuntary "
+};
+
+//
+// for sigreturn
+//
+
+struct sigcontext {
+     int64_t sc_onstack;	// sigstack state to restore
+     int64_t sc_mask;		// signal mask to restore
+     int64_t sc_pc;		// pc at time of signal
+     int64_t sc_ps;		// psl to retore
+     int64_t sc_regs[32];	// processor regs 0 to 31
+     int64_t sc_ownedfp;	// fp has been used
+     int64_t sc_fpregs[32];	// fp regs 0 to 31
+     uint64_t sc_fpcr;		// floating point control reg
+     uint64_t sc_fp_control;	// software fpcr
+     int64_t sc_reserved1;	// reserved for kernel
+     uint32_t sc_kreserved1;	// reserved for kernel
+     uint32_t sc_kreserved2;	// reserved for kernel
+     size_t  sc_ssize;	// stack size
+     caddr_t sc_sbase;	// stack start
+     uint64_t sc_traparg_a0;	// a0 argument to trap on exc
+     uint64_t sc_traparg_a1;	// a1 argument to trap on exc
+     uint64_t sc_traparg_a2;	// a2 argument to trap on exc
+     uint64_t sc_fp_trap_pc;	// imprecise pc
+     uint64_t sc_fp_trigger_sum;	// Exception summary at trigg
+     uint64_t sc_fp_trigger_inst; // Instruction at trigger pc
+};
+
+
+//
+// for table
+//
+static const int TBL_SYSINFO = 12;
+
+struct tbl_sysinfo {
+    uint64_t si_user;	// User time
+    uint64_t si_nice;	// Nice time
+    uint64_t si_sys;	// System time
+    uint64_t si_idle;	// Idle time
+    uint64_t si_hz;
+    uint64_t si_phz;
+    uint64_t si_boottime;	// Boot time in seconds
+    uint64_t wait;		// Wait time
+    uint32_t  si_max_procs;	// rpb->rpb_numprocs
+    uint32_t  pad;
+};
+
+
+//
+// for stack_create
+//
+
+struct vm_stack {
+    // void *
+    Addr	address;	// address hint
+    size_t	rsize;		// red zone size
+    size_t	ysize;		// yellow zone size
+    size_t	gsize;		// green zone size
+    size_t	swap;		// amount of swap to reserve
+    size_t	incr;		// growth increment
+    uint64_t	align;		// address alignment
+    uint64_t	flags;		// MAP_FIXED etc.
+    // struct memalloc_attr *
+    Addr	attr;		// allocation policy
+    uint64_t reserved;
+};
+
+//
+// return values for nxm calls
+//
+enum {
+    KERN_NOT_RECEIVER = 7,
+    KERN_NOT_IN_SET = 12
+};
+
+//
+// for nxm_task_init
+//
+
+static const int NXM_TASK_INIT_VP = 2;	// initial thread is VP
+
+struct nxm_task_attr {
+    int64_t nxm_callback;
+    unsigned int nxm_version;
+    unsigned short nxm_uniq_offset;
+    unsigned short flags;
+    int nxm_quantum;
+    int pad1;
+    int64_t pad2;
+};
+
+typedef uint64_t   sigset_t;
+
+struct ushared_state {
+    sigset_t        sigmask;        // thread signal mask
+    sigset_t        sig;            // thread pending mask
+    // struct nxm_pth_state *
+    Addr pth_id; // out-of-line state
+    int             flags;          // shared flags
+#define US_SIGSTACK     0x1             // thread called sigaltstack
+#define US_ONSTACK      0x2             // thread is running on altstack
+#define US_PROFILE      0x4             // thread called profil
+#define US_SYSCALL      0x8             // thread in syscall
+#define US_TRAP         0x10            // thread has trapped
+#define US_YELLOW       0x20            // thread has mellowed yellow
+#define US_YZONE        0x40            // thread has zoned out
+#define US_FP_OWNED     0x80            // thread used floating point
+
+    int             cancel_state;   // thread's cancelation state
+#define US_CANCEL         0x1           // cancel pending
+#define US_NOCANCEL       0X2           // synch cancel disabled
+#define US_SYS_NOCANCEL   0x4           // syscall cancel disabled
+#define US_ASYNC_NOCANCEL 0x8           // asynch cancel disabled
+#define US_CANCEL_BITS  (US_NOCANCEL|US_SYS_NOCANCEL|US_ASYNC_NOCANCEL)
+#define US_CANCEL_MASK  (US_CANCEL|US_NOCANCEL|US_SYS_NOCANCEL| \
+                         US_ASYNC_NOCANCEL)
+
+    // These are semi-shared. They are always visible to
+    // the kernel but are never context-switched by the library.
+
+    int             nxm_ssig;       // scheduler's synchronous signals
+    int             reserved1;
+    int64_t            nxm_active;     // scheduler active
+    int64_t            reserved2;
+};
+
+struct nxm_sched_state {
+    struct          ushared_state nxm_u;    // state own by user thread
+    unsigned int    nxm_bits;               // scheduler state / slot
+    int             nxm_quantum;            // quantum count-down value
+    int             nxm_set_quantum;        // quantum reset value
+    int             nxm_sysevent;           // syscall state
+    // struct nxm_upcall *
+    Addr	    nxm_uc_ret; // stack ptr of null thread
+    // void *
+    Addr nxm_tid;               // scheduler's thread id
+    int64_t            nxm_va;                 // page fault address
+    // struct nxm_pth_state *
+    Addr nxm_pthid; // id of null thread
+    uint64_t   nxm_bound_pcs_count;    // bound PCS thread count
+    int64_t            pad[2];
+};
+
+struct nxm_shared {
+    int64_t nxm_callback;              // address of upcall routine
+    unsigned int nxm_version;       // version number
+    unsigned short nxm_uniq_offset; // correction factor for TEB
+    unsigned short pad1;
+    int64_t space[2];                  // future growth
+    struct nxm_sched_state nxm_ss[1]; // array of shared areas
+};
+
+enum nxm_slot_state_t {
+    NXM_SLOT_AVAIL,
+    NXM_SLOT_BOUND,
+    NXM_SLOT_UNBOUND,
+    NXM_SLOT_EMPTY
+};
+
+
+struct nxm_config_info {
+    int nxm_nslots_per_rad;         // max number of VP slots per RAD
+    int nxm_nrads;                  // max number of RADs
+    // nxm_slot_state_t *
+    Addr nxm_slot_state; // per-VP slot state
+    // struct nxm_shared *
+    Addr nxm_rad[1];  // per-RAD shared areas
+};
+
+//
+// for nxm_thread_create
+//
+
+enum nxm_thread_type {
+    NXM_TYPE_SCS	= 0,
+    NXM_TYPE_VP		= 1,
+    NXM_TYPE_MANAGER	= 2
+};
+
+
+struct nxm_thread_attr {
+    int version;
+    int type;
+    int cancel_flags;
+    int priority;
+    int policy;
+    int signal_type;
+    // void *
+    Addr pthid;
+    sigset_t sigmask;
+    struct {
+        uint64_t pc;
+        uint64_t sp;
+        uint64_t a0;
+    } registers;
+    uint64_t pad2[2];
+};
+
+static
+void
+copyOutStatBuf(FunctionalMemory *mem, Addr addr, struct stat *host)
+{
+    TypedBufferArg<Tru64::F64_stat> tgt(addr);
+
+    tgt->st_dev = host->st_dev;
+    tgt->st_ino = host->st_ino;
+    tgt->st_mode = host->st_mode;
+    tgt->st_nlink = host->st_nlink;
+    tgt->st_uid = host->st_uid;
+    tgt->st_gid = host->st_gid;
+    tgt->st_rdev = host->st_rdev;
+    tgt->st_size = host->st_size;
+    tgt->st_atimeX = host->st_atime;
+    tgt->st_mtimeX = host->st_mtime;
+    tgt->st_ctimeX = host->st_ctime;
+    tgt->st_blksize = host->st_blksize;
+    tgt->st_blocks = host->st_blocks;
+
+    tgt.copyOut(mem);
+}
+
+static const char *hostname;
+
+static
+int
+unameFunc(SyscallDesc *desc, int callnum, Process *process,
+          ExecContext *xc)
+{
+    TypedBufferArg<Tru64::utsname> name(xc->getSyscallArg(0));
+
+    strcpy(name->sysname, "OSF1");
+    strcpy(name->nodename, hostname);
+    strcpy(name->release, "V5.1");
+    strcpy(name->version, "732");
+    strcpy(name->machine, "alpha");
+
+    name.copyOut(xc->mem);
+    return 0;
+}
+
+
+static
+int
+getsysinfoFunc(SyscallDesc *desc, int callnum, Process *process,
+               ExecContext *xc)
+{
+    unsigned op = xc->getSyscallArg(0);
+    unsigned nbytes = xc->getSyscallArg(2);
+
+    switch (op) {
+
+      case Tru64::GSI_MAX_CPU: {
+          TypedBufferArg<uint32_t> max_cpu(xc->getSyscallArg(1));
+          *max_cpu = process->numCpus();
+          max_cpu.copyOut(xc->mem);
+          return 1;
+      }
+
+      case Tru64::GSI_CPUS_IN_BOX: {
+          TypedBufferArg<uint32_t> cpus_in_box(xc->getSyscallArg(1));
+          *cpus_in_box = process->numCpus();
+          cpus_in_box.copyOut(xc->mem);
+          return 1;
+      }
+
+      case Tru64::GSI_PHYSMEM: {
+          TypedBufferArg<uint64_t> physmem(xc->getSyscallArg(1));
+          *physmem = 1024 * 1024;	// physical memory in KB
+          physmem.copyOut(xc->mem);
+          return 1;
+      }
+
+      case Tru64::GSI_CPU_INFO: {
+          TypedBufferArg<Tru64::cpu_info> infop(xc->getSyscallArg(1));
+
+          infop->current_cpu = 0;
+          infop->cpus_in_box = process->numCpus();
+          infop->cpu_type = 57;
+          infop->ncpus = process->numCpus();
+          int cpumask = (1 << process->numCpus()) - 1;
+          infop->cpus_present = infop->cpus_running = cpumask;
+          infop->cpu_binding = 0;
+          infop->cpu_ex_binding = 0;
+          infop->mhz = 667;
+
+          infop.copyOut(xc->mem);
+          return 1;
+        }
+
+      case Tru64::GSI_PROC_TYPE: {
+          TypedBufferArg<uint64_t> proc_type(xc->getSyscallArg(1));
+          *proc_type = 11;
+          proc_type.copyOut(xc->mem);
+          return 1;
+      }
+
+      case Tru64::GSI_PLATFORM_NAME: {
+          BufferArg bufArg(xc->getSyscallArg(1), nbytes);
+          strncpy((char *)bufArg.bufferPtr(),
+                  "COMPAQ Professional Workstation XP1000",
+                  nbytes);
+          bufArg.copyOut(xc->mem);
+          return 1;
+      }
+
+      case Tru64::GSI_CLK_TCK: {
+          TypedBufferArg<uint64_t> clk_hz(xc->getSyscallArg(1));
+          *clk_hz = 1024;
+          clk_hz.copyOut(xc->mem);
+          return 1;
+      }
+
+      default:
+        cerr << "getsysinfo: unknown op " << op << endl;
+        abort();
+        break;
+    }
+
+    return 0;
+}
+
+static
+int
+fcntlFunc(SyscallDesc *desc, int callnum, Process *process,
+           ExecContext *xc)
+{
+    int fd = xc->getSyscallArg(0);
+
+    if (fd < 0 || process->sim_fd(fd) < 0)
+        return -EBADF;
+
+    int cmd = xc->getSyscallArg(1);
+    switch (cmd) {
+      case 0: // F_DUPFD
+        // if we really wanted to support this, we'd need to do it
+        // in the target fd space.
+        warn("fcntl(%d, F_DUPFD) not supported, error returned\n", fd);
+        return -EMFILE;
+
+      case 1: // F_GETFD (get close-on-exec flag)
+      case 2: // F_SETFD (set close-on-exec flag)
+        return 0;
+
+      case 3: // F_GETFL (get file flags)
+      case 4: // F_SETFL (set file flags)
+        // not sure if this is totally valid, but we'll pass it through
+        // to the underlying OS
+        warn("fcntl(%d, %d) passed through to host\n", fd, cmd);
+        return fcntl(process->sim_fd(fd), cmd);
+        // return 0;
+
+      case 7: // F_GETLK  (get lock)
+      case 8: // F_SETLK  (set lock)
+      case 9: // F_SETLKW (set lock and wait)
+        // don't mess with file locking... just act like it's OK
+        warn("File lock call (fcntl(%d, %d)) ignored.\n", fd, cmd);
+        return 0;
+
+      default:
+        warn("Unknown fcntl command %d\n", cmd);
+        return 0;
+    }
+}
+
+
+static
+int
+getdirentriesFunc(SyscallDesc *desc, int callnum, Process *process,
+                  ExecContext *xc)
+{
+    int fd = process->sim_fd(xc->getSyscallArg(0));
+    Addr tgt_buf = xc->getSyscallArg(1);
+    int tgt_nbytes = xc->getSyscallArg(2);
+    Addr tgt_basep = xc->getSyscallArg(3);
+
+    char * const host_buf = new char[tgt_nbytes];
+
+    // just pass basep through uninterpreted.
+    TypedBufferArg<int64_t> basep(tgt_basep);
+    basep.copyIn(xc->mem);
+    ::off_t host_basep = (off_t)*basep;
+    int host_result = getdirentries(fd, host_buf, tgt_nbytes, &host_basep);
+
+    // check for error
+    if (host_result < 0) {
+        delete [] host_buf;
+        return -errno;
+    }
+
+    // no error: copy results back to target space
+    Addr tgt_buf_ptr = tgt_buf;
+    char *host_buf_ptr = host_buf;
+    char *host_buf_end = host_buf + host_result;
+    while (host_buf_ptr < host_buf_end) {
+        struct dirent *host_dp = (struct dirent *)host_buf_ptr;
+        int namelen = strlen(host_dp->d_name);
+
+        // Actual size includes padded string rounded up for alignment.
+        // Subtract 256 for dummy char array in Tru64::dirent definition.
+        // Add 1 to namelen for terminating null char.
+        int tgt_bufsize = sizeof(Tru64::dirent) - 256 + RoundUp(namelen+1, 8);
+        TypedBufferArg<Tru64::dirent> tgt_dp(tgt_buf_ptr, tgt_bufsize);
+        tgt_dp->d_ino = host_dp->d_ino;
+        tgt_dp->d_reclen = tgt_bufsize;
+        tgt_dp->d_namlen = namelen;
+        strcpy(tgt_dp->d_name, host_dp->d_name);
+        tgt_dp.copyOut(xc->mem);
+
+        tgt_buf_ptr += tgt_bufsize;
+        host_buf_ptr += host_dp->d_reclen;
+    }
+
+    delete [] host_buf;
+
+    *basep = host_basep;
+    basep.copyOut(xc->mem);
+
+    return (tgt_buf_ptr - tgt_buf);
+}
+
+
+static
+int
+sigreturnFunc(SyscallDesc *desc, int callnum, Process *process,
+              ExecContext *xc)
+{
+    RegFile *regs = &xc->regs;
+    TypedBufferArg<Tru64::sigcontext> sc(xc->getSyscallArg(0));
+
+    sc.copyIn(xc->mem);
+
+    // Restore state from sigcontext structure.
+    // Note that we'll advance PC <- NPC before the end of the cycle,
+    // so we need to restore the desired PC into NPC.
+    // The current regs->pc will get clobbered.
+    regs->npc = sc->sc_pc;
+
+    for (int i = 0; i < 31; ++i) {
+        regs->intRegFile[i] = sc->sc_regs[i];
+        regs->floatRegFile.q[i] = sc->sc_fpregs[i];
+    }
+
+    regs->miscRegs.fpcr = sc->sc_fpcr;
+
+    return 0;
+}
+
+static
+int
+tableFunc(SyscallDesc *desc, int callnum, Process *process,
+          ExecContext *xc)
+{
+    int id = xc->getSyscallArg(0);		// table ID
+    int index = xc->getSyscallArg(1);	// index into table
+    // arg 2 is buffer pointer; type depends on table ID
+    int nel = xc->getSyscallArg(3);		// number of elements
+    int lel = xc->getSyscallArg(4);		// expected element size
+
+    switch (id) {
+      case Tru64::TBL_SYSINFO: {
+          if (index != 0 || nel != 1 || lel != sizeof(Tru64::tbl_sysinfo))
+              return -EINVAL;
+          TypedBufferArg<Tru64::tbl_sysinfo> elp(xc->getSyscallArg(2));
+
+          const int clk_hz = one_million;
+          elp->si_user = curTick / (ticksPerSecond / clk_hz);
+          elp->si_nice = 0;
+          elp->si_sys = 0;
+          elp->si_idle = 0;
+          elp->wait = 0;
+          elp->si_hz = clk_hz;
+          elp->si_phz = clk_hz;
+          elp->si_boottime = seconds_since_epoch; // seconds since epoch?
+          elp->si_max_procs = process->numCpus();
+          elp.copyOut(xc->mem);
+          return 0;
+      }
+
+      default:
+        cerr << "table(): id " << id << " unknown." << endl;
+        return -EINVAL;
+    }
+}
+
+static SyscallDesc syscallDescs[];
+
+static const int Num_Syscall_Descs;
+static const int Max_Syscall_Desc;
+
+//
+// Mach syscalls -- identified by negated syscall numbers
+//
+
+// Create a stack region for a thread.
+static
+int
+stack_createFunc(SyscallDesc *desc, int callnum, Process *process,
+                 ExecContext *xc)
+{
+    TypedBufferArg<Tru64::vm_stack> argp(xc->getSyscallArg(0));
+
+    argp.copyIn(xc->mem);
+
+    // if the user chose an address, just let them have it.  Otherwise
+    // pick one for them.
+    if (argp->address == 0) {
+        argp->address = process->next_thread_stack_base;
+        int stack_size = (argp->rsize + argp->ysize + argp->gsize);
+        process->next_thread_stack_base -= stack_size;
+        argp.copyOut(xc->mem);
+    }
+
+    return 0;
+}
+
+static
+const int NXM_LIB_VERSION = 301003;
+
+//
+// This call sets up the interface between the user and kernel
+// schedulers by creating a shared-memory region.  The shared memory
+// region has several structs, some global, some per-RAD, some per-VP.
+//
+static
+int
+nxm_task_initFunc(SyscallDesc *desc, int callnum, Process *process,
+                 ExecContext *xc)
+{
+    TypedBufferArg<Tru64::nxm_task_attr> attrp(xc->getSyscallArg(0));
+    TypedBufferArg<Addr> configptr_ptr(xc->getSyscallArg(1));
+
+    attrp.copyIn(xc->mem);
+
+    if (attrp->nxm_version != NXM_LIB_VERSION) {
+        cerr << "nxm_task_init: thread library version mismatch! "
+             << "got " << attrp->nxm_version
+             << ", expected " << NXM_LIB_VERSION << endl;
+        abort();
+    }
+
+    if (attrp->flags != Tru64::NXM_TASK_INIT_VP) {
+        cerr << "nxm_task_init: bad flag value " << attrp->flags
+             << " (expected " << Tru64::NXM_TASK_INIT_VP << ")" << endl;
+        abort();
+    }
+
+    const Addr base_addr = 0x12000; // was 0x3f0000000LL;
+    Addr cur_addr = base_addr; // next addresses to use
+    // first comes the config_info struct
+    Addr config_addr = cur_addr;
+    cur_addr += sizeof(Tru64::nxm_config_info);
+    // next comes the per-cpu state vector
+    Addr slot_state_addr = cur_addr;
+    int slot_state_size = process->numCpus() * sizeof(Tru64::nxm_slot_state_t);
+    cur_addr += slot_state_size;
+    // now the per-RAD state struct (we only support one RAD)
+    cur_addr = 0x14000;	// bump up addr for alignment
+    Addr rad_state_addr = cur_addr;
+    int rad_state_size =
+        (sizeof(Tru64::nxm_shared)
+         + (process->numCpus()-1) * sizeof(Tru64::nxm_sched_state));
+    cur_addr += rad_state_size;
+
+    // now initialize a config_info struct and copy it out to user space
+    TypedBufferArg<Tru64::nxm_config_info> config(config_addr);
+
+    config->nxm_nslots_per_rad = process->numCpus();
+    config->nxm_nrads = 1;	// only one RAD in our system!
+    config->nxm_slot_state = slot_state_addr;
+    config->nxm_rad[0] = rad_state_addr;
+
+    config.copyOut(xc->mem);
+
+    // initialize the slot_state array and copy it out
+    TypedBufferArg<Tru64::nxm_slot_state_t> slot_state(slot_state_addr,
+                                                     slot_state_size);
+    for (int i = 0; i < process->numCpus(); ++i) {
+        // CPU 0 is bound to the calling process; all others are available
+        slot_state[i] = (i == 0) ? Tru64::NXM_SLOT_BOUND : Tru64::NXM_SLOT_AVAIL;
+    }
+
+    slot_state.copyOut(xc->mem);
+
+    // same for the per-RAD "shared" struct.  Note that we need to
+    // allocate extra bytes for the per-VP array which is embedded at
+    // the end.
+    TypedBufferArg<Tru64::nxm_shared> rad_state(rad_state_addr,
+                                              rad_state_size);
+
+    rad_state->nxm_callback = attrp->nxm_callback;
+    rad_state->nxm_version = attrp->nxm_version;
+    rad_state->nxm_uniq_offset = attrp->nxm_uniq_offset;
+    for (int i = 0; i < process->numCpus(); ++i) {
+        Tru64::nxm_sched_state *ssp = &rad_state->nxm_ss[i];
+        ssp->nxm_u.sigmask = 0;
+        ssp->nxm_u.sig = 0;
+        ssp->nxm_u.flags = 0;
+        ssp->nxm_u.cancel_state = 0;
+        ssp->nxm_u.nxm_ssig = 0;
+        ssp->nxm_bits = 0;
+        ssp->nxm_quantum = attrp->nxm_quantum;
+        ssp->nxm_set_quantum = attrp->nxm_quantum;
+        ssp->nxm_sysevent = 0;
+
+        if (i == 0) {
+            uint64_t uniq = xc->regs.miscRegs.uniq;
+            ssp->nxm_u.pth_id = uniq + attrp->nxm_uniq_offset;
+            ssp->nxm_u.nxm_active = uniq | 1;
+        }
+        else {
+            ssp->nxm_u.pth_id = 0;
+            ssp->nxm_u.nxm_active = 0;
+        }
+    }
+
+    rad_state.copyOut(xc->mem);
+
+    //
+    // copy pointer to shared config area out to user
+    //
+    *configptr_ptr = config_addr;
+    configptr_ptr.copyOut(xc->mem);
+
+    return 0;
+}
+
+
+static void
+init_exec_context(ExecContext *ec,
+                  Tru64::nxm_thread_attr *attrp, uint64_t uniq_val)
+{
+    memset(&ec->regs, 0, sizeof(ec->regs));
+
+    ec->regs.intRegFile[ArgumentReg0] = attrp->registers.a0;
+    ec->regs.intRegFile[27/*t12*/] = attrp->registers.pc;
+    ec->regs.intRegFile[StackPointerReg] = attrp->registers.sp;
+    ec->regs.miscRegs.uniq = uniq_val;
+
+    ec->regs.pc = attrp->registers.pc;
+    ec->regs.npc = attrp->registers.pc + sizeof(MachInst);
+
+    ec->setStatus(ExecContext::Active);
+}
+
+static
+int
+nxm_thread_createFunc(SyscallDesc *desc, int callnum, Process *process,
+                      ExecContext *xc)
+{
+    TypedBufferArg<Tru64::nxm_thread_attr> attrp(xc->getSyscallArg(0));
+    TypedBufferArg<uint64_t> kidp(xc->getSyscallArg(1));
+    int thread_index = xc->getSyscallArg(2);
+
+    // get attribute args
+    attrp.copyIn(xc->mem);
+
+    if (attrp->version != NXM_LIB_VERSION) {
+        cerr << "nxm_thread_create: thread library version mismatch! "
+             << "got " << attrp->version
+             << ", expected " << NXM_LIB_VERSION << endl;
+        abort();
+    }
+
+    if (thread_index < 0 | thread_index > process->numCpus()) {
+        cerr << "nxm_thread_create: bad thread index " << thread_index
+             << endl;
+        abort();
+    }
+
+    // On a real machine, the per-RAD shared structure is in
+    // shared memory, so both the user and kernel can get at it.
+    // We don't have that luxury, so we just copy it in and then
+    // back out again.
+    int rad_state_size =
+        (sizeof(Tru64::nxm_shared) +
+         (process->numCpus()-1) * sizeof(Tru64::nxm_sched_state));
+
+    TypedBufferArg<Tru64::nxm_shared> rad_state(0x14000,
+                                              rad_state_size);
+    rad_state.copyIn(xc->mem);
+
+    uint64_t uniq_val = attrp->pthid - rad_state->nxm_uniq_offset;
+
+    if (attrp->type == Tru64::NXM_TYPE_MANAGER) {
+        // DEC pthreads seems to always create one of these (in
+        // addition to N application threads), but we don't use it,
+        // so don't bother creating it.
+
+        // This is supposed to be a port number.  Make something up.
+        *kidp = 99;
+        kidp.copyOut(xc->mem);
+
+        return 0;
+    } else if (attrp->type == Tru64::NXM_TYPE_VP) {
+        // A real "virtual processor" kernel thread.  Need to fork
+        // this thread on another CPU.
+        Tru64::nxm_sched_state *ssp = &rad_state->nxm_ss[thread_index];
+
+        if (ssp->nxm_u.nxm_active != 0)
+            return Tru64::KERN_NOT_RECEIVER;
+
+        ssp->nxm_u.pth_id = attrp->pthid;
+        ssp->nxm_u.nxm_active = uniq_val | 1;
+
+        rad_state.copyOut(xc->mem);
+
+        Addr slot_state_addr = 0x12000 + sizeof(Tru64::nxm_config_info);
+        int slot_state_size = process->numCpus() * sizeof(Tru64::nxm_slot_state_t);
+
+        TypedBufferArg<Tru64::nxm_slot_state_t> slot_state(slot_state_addr,
+                                                         slot_state_size);
+
+        slot_state.copyIn(xc->mem);
+
+        if (slot_state[thread_index] != Tru64::NXM_SLOT_AVAIL) {
+            cerr << "nxm_thread_createFunc: requested VP slot "
+                 << thread_index << " not available!" << endl;
+            fatal("");
+        }
+
+        slot_state[thread_index] = Tru64::NXM_SLOT_BOUND;
+
+        slot_state.copyOut(xc->mem);
+
+        // Find a free simulator execution context.
+        for (int i = 0; i < process->numCpus(); ++i) {
+            ExecContext *xc = process->execContexts[i];
+
+            if (xc->status() == ExecContext::Unallocated) {
+                // inactive context... grab it
+                init_exec_context(xc, attrp, uniq_val);
+
+                // This is supposed to be a port number, but we'll try
+                // and get away with just sticking the thread index
+                // here.
+                *kidp = thread_index;
+                kidp.copyOut(xc->mem);
+
+                return 0;
+            }
+        }
+
+        // fell out of loop... no available inactive context
+        cerr << "nxm_thread_create: no idle contexts available." << endl;
+        abort();
+    } else {
+        cerr << "nxm_thread_create: can't handle thread type "
+             << attrp->type << endl;
+        abort();
+    }
+
+    return 0;
+}
+
+
+static
+int
+nxm_idleFunc(SyscallDesc *desc, int callnum, Process *process,
+             ExecContext *xc)
+{
+    return 0;
+}
+
+static
+int
+nxm_thread_blockFunc(SyscallDesc *desc, int callnum, Process *process,
+                     ExecContext *xc)
+{
+    uint64_t tid = xc->getSyscallArg(0);
+    uint64_t secs = xc->getSyscallArg(1);
+    uint64_t flags = xc->getSyscallArg(2);
+    uint64_t action = xc->getSyscallArg(3);
+    uint64_t usecs = xc->getSyscallArg(4);
+
+    cout << xc->cpu->name() << ": nxm_thread_block " << tid << " " << secs
+         << " " << flags << " " << action << " " << usecs << endl;
+
+    return 0;
+}
+
+
+static
+int
+nxm_blockFunc(SyscallDesc *desc, int callnum, Process *process,
+              ExecContext *xc)
+{
+    Addr uaddr = xc->getSyscallArg(0);
+    uint64_t val = xc->getSyscallArg(1);
+    uint64_t secs = xc->getSyscallArg(2);
+    uint64_t usecs = xc->getSyscallArg(3);
+    uint64_t flags = xc->getSyscallArg(4);
+
+    BaseCPU *cpu = xc->cpu;
+
+    cout << cpu->name() << ": nxm_block " << hex << uaddr << dec << " " << val
+         << " " << secs << " " << usecs
+         << " " << flags << endl;
+
+    return 0;
+}
+
+
+static
+int
+nxm_unblockFunc(SyscallDesc *desc, int callnum, Process *process,
+              ExecContext *xc)
+{
+    Addr uaddr = xc->getSyscallArg(0);
+
+    cout << xc->cpu->name() << ": nxm_unblock "
+         << hex << uaddr << dec << endl;
+
+    return 0;
+}
+
+
+static
+int
+swtch_priFunc(SyscallDesc *desc, int callnum, Process *process,
+              ExecContext *xc)
+{
+    // Attempts to switch to another runnable thread (if there is
+    // one).  Returns false if there are no other threads to run
+    // (i.e., the thread can reasonably spin-wait) or true if there
+    // are other threads.
+    //
+    // Since we assume at most one "kernel" thread per CPU, it's
+    // always safe to return false here.
+    return false;
+}
+
+
+// just activate one by default
+static int
+activate_waiting_context(Addr uaddr, Process *process,
+                         bool activate_all = false)
+{
+    int num_activated = 0;
+
+    list<Process::WaitRec>::iterator i = process->waitList.begin();
+    list<Process::WaitRec>::iterator end = process->waitList.end();
+
+    while (i != end && (num_activated == 0 || activate_all)) {
+        if (i->waitChan == uaddr) {
+            // found waiting process: make it active
+            ExecContext *newCtx = i->waitingContext;
+            assert(newCtx->status() == ExecContext::Suspended);
+            newCtx->setStatus(ExecContext::Active);
+
+            // get rid of this record
+            i = process->waitList.erase(i);
+
+            ++num_activated;
+        } else {
+            ++i;
+        }
+    }
+
+    return num_activated;
+}
+
+
+static void
+m5_lock_mutex(Addr uaddr, Process *process, ExecContext *xc)
+{
+    TypedBufferArg<uint64_t> lockp(uaddr);
+
+    lockp.copyIn(xc->mem);
+
+    if (*lockp == 0) {
+        // lock is free: grab it
+        *lockp = 1;
+        lockp.copyOut(xc->mem);
+    } else {
+        // lock is busy: disable until free
+        process->waitList.push_back(Process::WaitRec(uaddr, xc));
+        xc->setStatus(ExecContext::Suspended);
+    }
+}
+
+static void
+m5_unlock_mutex(Addr uaddr, Process *process, ExecContext *xc)
+{
+    TypedBufferArg<uint64_t> lockp(uaddr);
+
+    lockp.copyIn(xc->mem);
+    assert(*lockp != 0);
+
+    // Check for a process waiting on the lock.
+    int num_waiting = activate_waiting_context(uaddr, process);
+
+    // clear lock field if no waiting context is taking over the lock
+    if (num_waiting == 0) {
+        *lockp = 0;
+        lockp.copyOut(xc->mem);
+    }
+}
+
+
+static
+int
+m5_mutex_lockFunc(SyscallDesc *desc, int callnum, Process *process,
+                  ExecContext *xc)
+{
+    Addr uaddr = xc->getSyscallArg(0);
+
+    m5_lock_mutex(uaddr, process, xc);
+
+    // Return 0 since we will always return to the user with the lock
+    // acquired.  We will just keep the context inactive until that is
+    // true.
+    return 0;
+}
+
+
+static
+int
+m5_mutex_trylockFunc(SyscallDesc *desc, int callnum, Process *process,
+                     ExecContext *xc)
+{
+    Addr uaddr = xc->getSyscallArg(0);
+    TypedBufferArg<uint64_t> lockp(uaddr);
+
+    lockp.copyIn(xc->mem);
+
+    if (*lockp == 0) {
+        // lock is free: grab it
+        *lockp = 1;
+        lockp.copyOut(xc->mem);
+        return 0;
+    } else {
+        return 1;
+    }
+}
+
+
+static
+int
+m5_mutex_unlockFunc(SyscallDesc *desc, int callnum, Process *process,
+                    ExecContext *xc)
+{
+    Addr uaddr = xc->getSyscallArg(0);
+
+    m5_unlock_mutex(uaddr, process, xc);
+
+    return 0;
+}
+
+
+static
+int
+m5_cond_signalFunc(SyscallDesc *desc, int callnum, Process *process,
+                   ExecContext *xc)
+{
+    Addr cond_addr = xc->getSyscallArg(0);
+
+    // Wqake up one process waiting on the condition variable.
+    activate_waiting_context(cond_addr, process);
+
+    return 0;
+}
+
+
+static
+int
+m5_cond_broadcastFunc(SyscallDesc *desc, int callnum, Process *process,
+                      ExecContext *xc)
+{
+    Addr cond_addr = xc->getSyscallArg(0);
+
+    // Wake up all processes waiting on the condition variable.
+    activate_waiting_context(cond_addr, process, true);
+
+    return 0;
+}
+
+
+static
+int
+m5_cond_waitFunc(SyscallDesc *desc, int callnum, Process *process,
+                 ExecContext *xc)
+{
+    Addr cond_addr = xc->getSyscallArg(0);
+    Addr lock_addr = xc->getSyscallArg(1);
+    TypedBufferArg<uint64_t> condp(cond_addr);
+    TypedBufferArg<uint64_t> lockp(lock_addr);
+
+    // user is supposed to acquire lock before entering
+    lockp.copyIn(xc->mem);
+    assert(*lockp != 0);
+
+    m5_unlock_mutex(lock_addr, process, xc);
+
+    process->waitList.push_back(Process::WaitRec(cond_addr, xc));
+    xc->setStatus(ExecContext::Suspended);
+
+    return 0;
+}
+
+
+static
+int
+m5_thread_exitFunc(SyscallDesc *desc, int callnum, Process *process,
+                   ExecContext *xc)
+{
+    assert(xc->status() == ExecContext::Active);
+    xc->setStatus(ExecContext::Unallocated);
+
+    return 0;
+}
+
+
+static SyscallDesc machSyscallDescs[];
+
+static const int Num_Mach_Syscall_Descs;
+static const int Max_Mach_Syscall_Desc;
+
+// Since negated values are used to identify Mach syscalls, the
+// minimum (signed) valid syscall number is the negated max Mach
+// syscall number.
+static const int Min_Syscall_Desc;
+
+//
+// helper function for invoking syscalls
+//
+static
+void
+doSyscall(int callnum, Process *process, ExecContext *xc)
+{
+    if (callnum < Min_Syscall_Desc || callnum > Max_Syscall_Desc) {
+        cerr << "Syscall " << callnum << " out of range" << endl;
+        abort();
+    }
+
+    SyscallDesc *desc =
+        (callnum < 0) ? &machSyscallDescs[-callnum] : &syscallDescs[callnum];
+
+    desc->doSyscall(callnum, process, xc);
+}
+
+//
+// Indirect syscall invocation (call #0)
+//
+static
+int
+indirectSyscallFunc(SyscallDesc *desc, int callnum, Process *process,
+                    ExecContext *xc)
+{
+    int new_callnum = xc->getSyscallArg(0);
+
+    for (int i = 0; i < 5; ++i)
+        xc->setSyscallArg(i, xc->getSyscallArg(i+1));
+
+    doSyscall(new_callnum, process, xc);
+
+    return 0;
+}
+
+
+};  // class Tru64
+
+
+// open(2) flags translation table
+OpenFlagTransTable Tru64::openFlagTable[] = {
+  /* target flag */	/* host flag */
+#ifdef _MSC_VER
+  { Tru64::TGT_O_RDONLY,	_O_RDONLY },
+  { Tru64::TGT_O_WRONLY,	_O_WRONLY },
+  { Tru64::TGT_O_RDWR,		_O_RDWR },
+  { Tru64::TGT_O_APPEND,	_O_APPEND },
+  { Tru64::TGT_O_CREAT,		_O_CREAT },
+  { Tru64::TGT_O_TRUNC,			_O_TRUNC },
+  { Tru64::TGT_O_EXCL,			_O_EXCL },
+#ifdef _O_NONBLOCK
+  { Tru64::TGT_O_NONBLOCK,	_O_NONBLOCK },
+#endif
+#ifdef _O_NOCTTY
+  { Tru64::TGT_O_NOCTTY,	_O_NOCTTY },
+#endif
+#ifdef _O_SYNC
+  { Tru64::TGT_O_SYNC,	_O_SYNC },
+#endif
+#else /* !_MSC_VER */
+  { Tru64::TGT_O_RDONLY,	O_RDONLY },
+  { Tru64::TGT_O_WRONLY,	O_WRONLY },
+  { Tru64::TGT_O_RDWR,		O_RDWR },
+  { Tru64::TGT_O_APPEND,	O_APPEND },
+  { Tru64::TGT_O_CREAT,		O_CREAT },
+  { Tru64::TGT_O_TRUNC,		O_TRUNC },
+  { Tru64::TGT_O_EXCL,		O_EXCL },
+  { Tru64::TGT_O_NONBLOCK,	O_NONBLOCK },
+  { Tru64::TGT_O_NOCTTY,	O_NOCTTY },
+#ifdef O_SYNC
+  { Tru64::TGT_O_SYNC,		O_SYNC },
+#endif
+#endif /* _MSC_VER */
+};
+
+const int Tru64::NUM_OPEN_FLAGS = (sizeof(Tru64::openFlagTable)/sizeof(Tru64::openFlagTable[0]));
+
+const char *Tru64::hostname = "m5.eecs.umich.edu";
+
+SyscallDesc Tru64::syscallDescs[] = {
+    /* 0 */ SyscallDesc("syscall (#0)", indirectSyscallFunc,
+                        SyscallDesc::SuppressReturnValue),
+    /* 1 */ SyscallDesc("exit", exitFunc),
+    /* 2 */ SyscallDesc("fork", unimplementedFunc),
+    /* 3 */ SyscallDesc("read", readFunc),
+    /* 4 */ SyscallDesc("write", writeFunc),
+    /* 5 */ SyscallDesc("old_open", unimplementedFunc),
+    /* 6 */ SyscallDesc("close", closeFunc),
+    /* 7 */ SyscallDesc("wait4", unimplementedFunc),
+    /* 8 */ SyscallDesc("old_creat", unimplementedFunc),
+    /* 9 */ SyscallDesc("link", unimplementedFunc),
+    /* 10 */ SyscallDesc("unlink", unimplementedFunc),
+    /* 11 */ SyscallDesc("execv", unimplementedFunc),
+    /* 12 */ SyscallDesc("chdir", unimplementedFunc),
+    /* 13 */ SyscallDesc("fchdir", unimplementedFunc),
+    /* 14 */ SyscallDesc("mknod", unimplementedFunc),
+    /* 15 */ SyscallDesc("chmod", unimplementedFunc),
+    /* 16 */ SyscallDesc("chown", unimplementedFunc),
+    /* 17 */ SyscallDesc("obreak", obreakFunc),
+    /* 18 */ SyscallDesc("pre_F64_getfsstat", unimplementedFunc),
+    /* 19 */ SyscallDesc("lseek", lseekFunc),
+    /* 20 */ SyscallDesc("getpid", getpidFunc),
+    /* 21 */ SyscallDesc("mount", unimplementedFunc),
+    /* 22 */ SyscallDesc("unmount", unimplementedFunc),
+    /* 23 */ SyscallDesc("setuid", setuidFunc),
+    /* 24 */ SyscallDesc("getuid", getuidFunc),
+    /* 25 */ SyscallDesc("exec_with_loader", unimplementedFunc),
+    /* 26 */ SyscallDesc("ptrace", unimplementedFunc),
+    /* 27 */ SyscallDesc("recvmsg", unimplementedFunc),
+    /* 28 */ SyscallDesc("sendmsg", unimplementedFunc),
+    /* 29 */ SyscallDesc("recvfrom", unimplementedFunc),
+    /* 30 */ SyscallDesc("accept", unimplementedFunc),
+    /* 31 */ SyscallDesc("getpeername", unimplementedFunc),
+    /* 32 */ SyscallDesc("getsockname", unimplementedFunc),
+    /* 33 */ SyscallDesc("access", unimplementedFunc),
+    /* 34 */ SyscallDesc("chflags", unimplementedFunc),
+    /* 35 */ SyscallDesc("fchflags", unimplementedFunc),
+    /* 36 */ SyscallDesc("sync", unimplementedFunc),
+    /* 37 */ SyscallDesc("kill", unimplementedFunc),
+    /* 38 */ SyscallDesc("old_stat", unimplementedFunc),
+    /* 39 */ SyscallDesc("setpgid", unimplementedFunc),
+    /* 40 */ SyscallDesc("old_lstat", unimplementedFunc),
+    /* 41 */ SyscallDesc("dup", unimplementedFunc),
+    /* 42 */ SyscallDesc("pipe", unimplementedFunc),
+    /* 43 */ SyscallDesc("set_program_attributes", unimplementedFunc),
+    /* 44 */ SyscallDesc("profil", unimplementedFunc),
+    /* 45 */ SyscallDesc("open", openFunc<Tru64>),
+    /* 46 */ SyscallDesc("obsolete osigaction", unimplementedFunc),
+    /* 47 */ SyscallDesc("getgid", getgidFunc),
+    /* 48 */ SyscallDesc("sigprocmask", ignoreFunc),
+    /* 49 */ SyscallDesc("getlogin", unimplementedFunc),
+    /* 50 */ SyscallDesc("setlogin", unimplementedFunc),
+    /* 51 */ SyscallDesc("acct", unimplementedFunc),
+    /* 52 */ SyscallDesc("sigpending", unimplementedFunc),
+    /* 53 */ SyscallDesc("classcntl", unimplementedFunc),
+    /* 54 */ SyscallDesc("ioctl", ioctlFunc<Tru64>),
+    /* 55 */ SyscallDesc("reboot", unimplementedFunc),
+    /* 56 */ SyscallDesc("revoke", unimplementedFunc),
+    /* 57 */ SyscallDesc("symlink", unimplementedFunc),
+    /* 58 */ SyscallDesc("readlink", unimplementedFunc),
+    /* 59 */ SyscallDesc("execve", unimplementedFunc),
+    /* 60 */ SyscallDesc("umask", unimplementedFunc),
+    /* 61 */ SyscallDesc("chroot", unimplementedFunc),
+    /* 62 */ SyscallDesc("old_fstat", unimplementedFunc),
+    /* 63 */ SyscallDesc("getpgrp", unimplementedFunc),
+    /* 64 */ SyscallDesc("getpagesize", getpagesizeFunc),
+    /* 65 */ SyscallDesc("mremap", unimplementedFunc),
+    /* 66 */ SyscallDesc("vfork", unimplementedFunc),
+    /* 67 */ SyscallDesc("pre_F64_stat", unimplementedFunc),
+    /* 68 */ SyscallDesc("pre_F64_lstat", unimplementedFunc),
+    /* 69 */ SyscallDesc("sbrk", unimplementedFunc),
+    /* 70 */ SyscallDesc("sstk", unimplementedFunc),
+    /* 71 */ SyscallDesc("mmap", mmapFunc<Tru64>),
+    /* 72 */ SyscallDesc("ovadvise", unimplementedFunc),
+    /* 73 */ SyscallDesc("munmap", munmapFunc),
+    /* 74 */ SyscallDesc("mprotect", ignoreFunc),
+    /* 75 */ SyscallDesc("madvise", unimplementedFunc),
+    /* 76 */ SyscallDesc("old_vhangup", unimplementedFunc),
+    /* 77 */ SyscallDesc("kmodcall", unimplementedFunc),
+    /* 78 */ SyscallDesc("mincore", unimplementedFunc),
+    /* 79 */ SyscallDesc("getgroups", unimplementedFunc),
+    /* 80 */ SyscallDesc("setgroups", unimplementedFunc),
+    /* 81 */ SyscallDesc("old_getpgrp", unimplementedFunc),
+    /* 82 */ SyscallDesc("setpgrp", unimplementedFunc),
+    /* 83 */ SyscallDesc("setitimer", unimplementedFunc),
+    /* 84 */ SyscallDesc("old_wait", unimplementedFunc),
+    /* 85 */ SyscallDesc("table", tableFunc),
+    /* 86 */ SyscallDesc("getitimer", unimplementedFunc),
+    /* 87 */ SyscallDesc("gethostname", gethostnameFunc),
+    /* 88 */ SyscallDesc("sethostname", unimplementedFunc),
+    /* 89 */ SyscallDesc("getdtablesize", unimplementedFunc),
+    /* 90 */ SyscallDesc("dup2", unimplementedFunc),
+    /* 91 */ SyscallDesc("pre_F64_fstat", unimplementedFunc),
+    /* 92 */ SyscallDesc("fcntl", fcntlFunc),
+    /* 93 */ SyscallDesc("select", unimplementedFunc),
+    /* 94 */ SyscallDesc("poll", unimplementedFunc),
+    /* 95 */ SyscallDesc("fsync", unimplementedFunc),
+    /* 96 */ SyscallDesc("setpriority", unimplementedFunc),
+    /* 97 */ SyscallDesc("socket", unimplementedFunc),
+    /* 98 */ SyscallDesc("connect", unimplementedFunc),
+    /* 99 */ SyscallDesc("old_accept", unimplementedFunc),
+    /* 100 */ SyscallDesc("getpriority", unimplementedFunc),
+    /* 101 */ SyscallDesc("old_send", unimplementedFunc),
+    /* 102 */ SyscallDesc("old_recv", unimplementedFunc),
+    /* 103 */ SyscallDesc("sigreturn", sigreturnFunc,
+                          SyscallDesc::SuppressReturnValue),
+    /* 104 */ SyscallDesc("bind", unimplementedFunc),
+    /* 105 */ SyscallDesc("setsockopt", unimplementedFunc),
+    /* 106 */ SyscallDesc("listen", unimplementedFunc),
+    /* 107 */ SyscallDesc("plock", unimplementedFunc),
+    /* 108 */ SyscallDesc("old_sigvec", unimplementedFunc),
+    /* 109 */ SyscallDesc("old_sigblock", unimplementedFunc),
+    /* 110 */ SyscallDesc("old_sigsetmask", unimplementedFunc),
+    /* 111 */ SyscallDesc("sigsuspend", unimplementedFunc),
+    /* 112 */ SyscallDesc("sigstack", ignoreFunc),
+    /* 113 */ SyscallDesc("old_recvmsg", unimplementedFunc),
+    /* 114 */ SyscallDesc("old_sendmsg", unimplementedFunc),
+    /* 115 */ SyscallDesc("obsolete vtrace", unimplementedFunc),
+    /* 116 */ SyscallDesc("gettimeofday", gettimeofdayFunc<Tru64>),
+    /* 117 */ SyscallDesc("getrusage", getrusageFunc<Tru64>),
+    /* 118 */ SyscallDesc("getsockopt", unimplementedFunc),
+    /* 119 */ SyscallDesc("numa_syscalls", unimplementedFunc),
+    /* 120 */ SyscallDesc("readv", unimplementedFunc),
+    /* 121 */ SyscallDesc("writev", unimplementedFunc),
+    /* 122 */ SyscallDesc("settimeofday", unimplementedFunc),
+    /* 123 */ SyscallDesc("fchown", unimplementedFunc),
+    /* 124 */ SyscallDesc("fchmod", unimplementedFunc),
+    /* 125 */ SyscallDesc("old_recvfrom", unimplementedFunc),
+    /* 126 */ SyscallDesc("setreuid", unimplementedFunc),
+    /* 127 */ SyscallDesc("setregid", unimplementedFunc),
+    /* 128 */ SyscallDesc("rename", unimplementedFunc),
+    /* 129 */ SyscallDesc("truncate", unimplementedFunc),
+    /* 130 */ SyscallDesc("ftruncate", unimplementedFunc),
+    /* 131 */ SyscallDesc("flock", unimplementedFunc),
+    /* 132 */ SyscallDesc("setgid", unimplementedFunc),
+    /* 133 */ SyscallDesc("sendto", unimplementedFunc),
+    /* 134 */ SyscallDesc("shutdown", unimplementedFunc),
+    /* 135 */ SyscallDesc("socketpair", unimplementedFunc),
+    /* 136 */ SyscallDesc("mkdir", unimplementedFunc),
+    /* 137 */ SyscallDesc("rmdir", unimplementedFunc),
+    /* 138 */ SyscallDesc("utimes", unimplementedFunc),
+    /* 139 */ SyscallDesc("obsolete 4.2 sigreturn", unimplementedFunc),
+    /* 140 */ SyscallDesc("adjtime", unimplementedFunc),
+    /* 141 */ SyscallDesc("old_getpeername", unimplementedFunc),
+    /* 142 */ SyscallDesc("gethostid", unimplementedFunc),
+    /* 143 */ SyscallDesc("sethostid", unimplementedFunc),
+    /* 144 */ SyscallDesc("getrlimit", getrlimitFunc<Tru64>),
+    /* 145 */ SyscallDesc("setrlimit", unimplementedFunc),
+    /* 146 */ SyscallDesc("old_killpg", unimplementedFunc),
+    /* 147 */ SyscallDesc("setsid", unimplementedFunc),
+    /* 148 */ SyscallDesc("quotactl", unimplementedFunc),
+    /* 149 */ SyscallDesc("oldquota", unimplementedFunc),
+    /* 150 */ SyscallDesc("old_getsockname", unimplementedFunc),
+    /* 151 */ SyscallDesc("pread", unimplementedFunc),
+    /* 152 */ SyscallDesc("pwrite", unimplementedFunc),
+    /* 153 */ SyscallDesc("pid_block", unimplementedFunc),
+    /* 154 */ SyscallDesc("pid_unblock", unimplementedFunc),
+    /* 155 */ SyscallDesc("signal_urti", unimplementedFunc),
+    /* 156 */ SyscallDesc("sigaction", ignoreFunc),
+    /* 157 */ SyscallDesc("sigwaitprim", unimplementedFunc),
+    /* 158 */ SyscallDesc("nfssvc", unimplementedFunc),
+    /* 159 */ SyscallDesc("getdirentries", getdirentriesFunc),
+    /* 160 */ SyscallDesc("pre_F64_statfs", unimplementedFunc),
+    /* 161 */ SyscallDesc("pre_F64_fstatfs", unimplementedFunc),
+    /* 162 */ SyscallDesc("unknown #162", unimplementedFunc),
+    /* 163 */ SyscallDesc("async_daemon", unimplementedFunc),
+    /* 164 */ SyscallDesc("getfh", unimplementedFunc),
+    /* 165 */ SyscallDesc("getdomainname", unimplementedFunc),
+    /* 166 */ SyscallDesc("setdomainname", unimplementedFunc),
+    /* 167 */ SyscallDesc("unknown #167", unimplementedFunc),
+    /* 168 */ SyscallDesc("unknown #168", unimplementedFunc),
+    /* 169 */ SyscallDesc("exportfs", unimplementedFunc),
+    /* 170 */ SyscallDesc("unknown #170", unimplementedFunc),
+    /* 171 */ SyscallDesc("unknown #171", unimplementedFunc),
+    /* 172 */ SyscallDesc("unknown #172", unimplementedFunc),
+    /* 173 */ SyscallDesc("unknown #173", unimplementedFunc),
+    /* 174 */ SyscallDesc("unknown #174", unimplementedFunc),
+    /* 175 */ SyscallDesc("unknown #175", unimplementedFunc),
+    /* 176 */ SyscallDesc("unknown #176", unimplementedFunc),
+    /* 177 */ SyscallDesc("unknown #177", unimplementedFunc),
+    /* 178 */ SyscallDesc("unknown #178", unimplementedFunc),
+    /* 179 */ SyscallDesc("unknown #179", unimplementedFunc),
+    /* 180 */ SyscallDesc("unknown #180", unimplementedFunc),
+    /* 181 */ SyscallDesc("alt_plock", unimplementedFunc),
+    /* 182 */ SyscallDesc("unknown #182", unimplementedFunc),
+    /* 183 */ SyscallDesc("unknown #183", unimplementedFunc),
+    /* 184 */ SyscallDesc("getmnt", unimplementedFunc),
+    /* 185 */ SyscallDesc("unknown #185", unimplementedFunc),
+    /* 186 */ SyscallDesc("unknown #186", unimplementedFunc),
+    /* 187 */ SyscallDesc("alt_sigpending", unimplementedFunc),
+    /* 188 */ SyscallDesc("alt_setsid", unimplementedFunc),
+    /* 189 */ SyscallDesc("unknown #189", unimplementedFunc),
+    /* 190 */ SyscallDesc("unknown #190", unimplementedFunc),
+    /* 191 */ SyscallDesc("unknown #191", unimplementedFunc),
+    /* 192 */ SyscallDesc("unknown #192", unimplementedFunc),
+    /* 193 */ SyscallDesc("unknown #193", unimplementedFunc),
+    /* 194 */ SyscallDesc("unknown #194", unimplementedFunc),
+    /* 195 */ SyscallDesc("unknown #195", unimplementedFunc),
+    /* 196 */ SyscallDesc("unknown #196", unimplementedFunc),
+    /* 197 */ SyscallDesc("unknown #197", unimplementedFunc),
+    /* 198 */ SyscallDesc("unknown #198", unimplementedFunc),
+    /* 199 */ SyscallDesc("swapon", unimplementedFunc),
+    /* 200 */ SyscallDesc("msgctl", unimplementedFunc),
+    /* 201 */ SyscallDesc("msgget", unimplementedFunc),
+    /* 202 */ SyscallDesc("msgrcv", unimplementedFunc),
+    /* 203 */ SyscallDesc("msgsnd", unimplementedFunc),
+    /* 204 */ SyscallDesc("semctl", unimplementedFunc),
+    /* 205 */ SyscallDesc("semget", unimplementedFunc),
+    /* 206 */ SyscallDesc("semop", unimplementedFunc),
+    /* 207 */ SyscallDesc("uname", unameFunc),
+    /* 208 */ SyscallDesc("lchown", unimplementedFunc),
+    /* 209 */ SyscallDesc("shmat", unimplementedFunc),
+    /* 210 */ SyscallDesc("shmctl", unimplementedFunc),
+    /* 211 */ SyscallDesc("shmdt", unimplementedFunc),
+    /* 212 */ SyscallDesc("shmget", unimplementedFunc),
+    /* 213 */ SyscallDesc("mvalid", unimplementedFunc),
+    /* 214 */ SyscallDesc("getaddressconf", unimplementedFunc),
+    /* 215 */ SyscallDesc("msleep", unimplementedFunc),
+    /* 216 */ SyscallDesc("mwakeup", unimplementedFunc),
+    /* 217 */ SyscallDesc("msync", unimplementedFunc),
+    /* 218 */ SyscallDesc("signal", unimplementedFunc),
+    /* 219 */ SyscallDesc("utc_gettime", unimplementedFunc),
+    /* 220 */ SyscallDesc("utc_adjtime", unimplementedFunc),
+    /* 221 */ SyscallDesc("unknown #221", unimplementedFunc),
+    /* 222 */ SyscallDesc("security", unimplementedFunc),
+    /* 223 */ SyscallDesc("kloadcall", unimplementedFunc),
+    /* 224 */ SyscallDesc("stat", statFunc<Tru64>),
+    /* 225 */ SyscallDesc("lstat", lstatFunc<Tru64>),
+    /* 226 */ SyscallDesc("fstat", fstatFunc<Tru64>),
+    /* 227 */ SyscallDesc("statfs", unimplementedFunc),
+    /* 228 */ SyscallDesc("fstatfs", unimplementedFunc),
+    /* 229 */ SyscallDesc("getfsstat", unimplementedFunc),
+    /* 230 */ SyscallDesc("gettimeofday64", unimplementedFunc),
+    /* 231 */ SyscallDesc("settimeofday64", unimplementedFunc),
+    /* 232 */ SyscallDesc("unknown #232", unimplementedFunc),
+    /* 233 */ SyscallDesc("getpgid", unimplementedFunc),
+    /* 234 */ SyscallDesc("getsid", unimplementedFunc),
+    /* 235 */ SyscallDesc("sigaltstack", ignoreFunc),
+    /* 236 */ SyscallDesc("waitid", unimplementedFunc),
+    /* 237 */ SyscallDesc("priocntlset", unimplementedFunc),
+    /* 238 */ SyscallDesc("sigsendset", unimplementedFunc),
+    /* 239 */ SyscallDesc("set_speculative", unimplementedFunc),
+    /* 240 */ SyscallDesc("msfs_syscall", unimplementedFunc),
+    /* 241 */ SyscallDesc("sysinfo", unimplementedFunc),
+    /* 242 */ SyscallDesc("uadmin", unimplementedFunc),
+    /* 243 */ SyscallDesc("fuser", unimplementedFunc),
+    /* 244 */ SyscallDesc("proplist_syscall", unimplementedFunc),
+    /* 245 */ SyscallDesc("ntp_adjtime", unimplementedFunc),
+    /* 246 */ SyscallDesc("ntp_gettime", unimplementedFunc),
+    /* 247 */ SyscallDesc("pathconf", unimplementedFunc),
+    /* 248 */ SyscallDesc("fpathconf", unimplementedFunc),
+    /* 249 */ SyscallDesc("sync2", unimplementedFunc),
+    /* 250 */ SyscallDesc("uswitch", unimplementedFunc),
+    /* 251 */ SyscallDesc("usleep_thread", unimplementedFunc),
+    /* 252 */ SyscallDesc("audcntl", unimplementedFunc),
+    /* 253 */ SyscallDesc("audgen", unimplementedFunc),
+    /* 254 */ SyscallDesc("sysfs", unimplementedFunc),
+    /* 255 */ SyscallDesc("subsys_info", unimplementedFunc),
+    /* 256 */ SyscallDesc("getsysinfo", getsysinfoFunc),
+    /* 257 */ SyscallDesc("setsysinfo", unimplementedFunc),
+    /* 258 */ SyscallDesc("afs_syscall", unimplementedFunc),
+    /* 259 */ SyscallDesc("swapctl", unimplementedFunc),
+    /* 260 */ SyscallDesc("memcntl", unimplementedFunc),
+    /* 261 */ SyscallDesc("fdatasync", unimplementedFunc),
+    /* 262 */ SyscallDesc("oflock", unimplementedFunc),
+    /* 263 */ SyscallDesc("F64_readv", unimplementedFunc),
+    /* 264 */ SyscallDesc("F64_writev", unimplementedFunc),
+    /* 265 */ SyscallDesc("cdslxlate", unimplementedFunc),
+    /* 266 */ SyscallDesc("sendfile", unimplementedFunc),
+};
+
+const int Tru64::Num_Syscall_Descs =
+        sizeof(Tru64::syscallDescs) / sizeof(SyscallDesc);
+
+const int Tru64::Max_Syscall_Desc = Tru64::Num_Syscall_Descs - 1;
+
+SyscallDesc Tru64::machSyscallDescs[] = {
+    /* 0 */  SyscallDesc("kern_invalid", unimplementedFunc),
+    /* 1 */  SyscallDesc("m5_mutex_lock", m5_mutex_lockFunc),
+    /* 2 */  SyscallDesc("m5_mutex_trylock", m5_mutex_trylockFunc),
+    /* 3 */  SyscallDesc("m5_mutex_unlock", m5_mutex_unlockFunc),
+    /* 4 */  SyscallDesc("m5_cond_signal", m5_cond_signalFunc),
+    /* 5 */  SyscallDesc("m5_cond_broadcast", m5_cond_broadcastFunc),
+    /* 6 */  SyscallDesc("m5_cond_wait", m5_cond_waitFunc),
+    /* 7 */  SyscallDesc("m5_thread_exit", m5_thread_exitFunc),
+    /* 8 */  SyscallDesc("kern_invalid", unimplementedFunc),
+    /* 9 */  SyscallDesc("kern_invalid", unimplementedFunc),
+    /* 10 */ SyscallDesc("task_self", unimplementedFunc),
+    /* 11 */ SyscallDesc("thread_reply", unimplementedFunc),
+    /* 12 */ SyscallDesc("task_notify", unimplementedFunc),
+    /* 13 */ SyscallDesc("thread_self", unimplementedFunc),
+    /* 14 */ SyscallDesc("kern_invalid", unimplementedFunc),
+    /* 15 */ SyscallDesc("kern_invalid", unimplementedFunc),
+    /* 16 */ SyscallDesc("kern_invalid", unimplementedFunc),
+    /* 17 */ SyscallDesc("kern_invalid", unimplementedFunc),
+    /* 18 */ SyscallDesc("kern_invalid", unimplementedFunc),
+    /* 19 */ SyscallDesc("kern_invalid", unimplementedFunc),
+    /* 20 */ SyscallDesc("msg_send_trap", unimplementedFunc),
+    /* 21 */ SyscallDesc("msg_receive_trap", unimplementedFunc),
+    /* 22 */ SyscallDesc("msg_rpc_trap", unimplementedFunc),
+    /* 23 */ SyscallDesc("kern_invalid", unimplementedFunc),
+    /* 24 */ SyscallDesc("nxm_block", nxm_blockFunc),
+    /* 25 */ SyscallDesc("nxm_unblock", nxm_unblockFunc),
+    /* 26 */ SyscallDesc("kern_invalid", unimplementedFunc),
+    /* 27 */ SyscallDesc("kern_invalid", unimplementedFunc),
+    /* 28 */ SyscallDesc("kern_invalid", unimplementedFunc),
+    /* 29 */ SyscallDesc("nxm_thread_destroy", unimplementedFunc),
+    /* 30 */ SyscallDesc("lw_wire", unimplementedFunc),
+    /* 31 */ SyscallDesc("lw_unwire", unimplementedFunc),
+    /* 32 */ SyscallDesc("nxm_thread_create", nxm_thread_createFunc),
+    /* 33 */ SyscallDesc("nxm_task_init", nxm_task_initFunc),
+    /* 34 */ SyscallDesc("kern_invalid", unimplementedFunc),
+    /* 35 */ SyscallDesc("nxm_idle", nxm_idleFunc),
+    /* 36 */ SyscallDesc("nxm_wakeup_idle", unimplementedFunc),
+    /* 37 */ SyscallDesc("nxm_set_pthid", unimplementedFunc),
+    /* 38 */ SyscallDesc("nxm_thread_kill", unimplementedFunc),
+    /* 39 */ SyscallDesc("nxm_thread_block", nxm_thread_blockFunc),
+    /* 40 */ SyscallDesc("nxm_thread_wakeup", unimplementedFunc),
+    /* 41 */ SyscallDesc("init_process", unimplementedFunc),
+    /* 42 */ SyscallDesc("nxm_get_binding", unimplementedFunc),
+    /* 43 */ SyscallDesc("map_fd", unimplementedFunc),
+    /* 44 */ SyscallDesc("nxm_resched", unimplementedFunc),
+    /* 45 */ SyscallDesc("nxm_set_cancel", unimplementedFunc),
+    /* 46 */ SyscallDesc("nxm_set_binding", unimplementedFunc),
+    /* 47 */ SyscallDesc("stack_create", stack_createFunc),
+    /* 48 */ SyscallDesc("nxm_get_state", unimplementedFunc),
+    /* 49 */ SyscallDesc("nxm_thread_suspend", unimplementedFunc),
+    /* 50 */ SyscallDesc("nxm_thread_resume", unimplementedFunc),
+    /* 51 */ SyscallDesc("nxm_signal_check", unimplementedFunc),
+    /* 52 */ SyscallDesc("htg_unix_syscall", unimplementedFunc),
+    /* 53 */ SyscallDesc("kern_invalid", unimplementedFunc),
+    /* 54 */ SyscallDesc("kern_invalid", unimplementedFunc),
+    /* 55 */ SyscallDesc("host_self", unimplementedFunc),
+    /* 56 */ SyscallDesc("host_priv_self", unimplementedFunc),
+    /* 57 */ SyscallDesc("kern_invalid", unimplementedFunc),
+    /* 58 */ SyscallDesc("kern_invalid", unimplementedFunc),
+    /* 59 */ SyscallDesc("swtch_pri", swtch_priFunc),
+    /* 60 */ SyscallDesc("swtch", unimplementedFunc),
+    /* 61 */ SyscallDesc("thread_switch", unimplementedFunc),
+    /* 62 */ SyscallDesc("semop_fast", unimplementedFunc),
+    /* 63 */ SyscallDesc("nxm_pshared_init", unimplementedFunc),
+    /* 64 */ SyscallDesc("nxm_pshared_block", unimplementedFunc),
+    /* 65 */ SyscallDesc("nxm_pshared_unblock", unimplementedFunc),
+    /* 66 */ SyscallDesc("nxm_pshared_destroy", unimplementedFunc),
+    /* 67 */ SyscallDesc("nxm_swtch_pri", swtch_priFunc),
+    /* 68 */ SyscallDesc("lw_syscall", unimplementedFunc),
+    /* 69 */ SyscallDesc("kern_invalid", unimplementedFunc),
+    /* 70 */ SyscallDesc("mach_sctimes_0", unimplementedFunc),
+    /* 71 */ SyscallDesc("mach_sctimes_1", unimplementedFunc),
+    /* 72 */ SyscallDesc("mach_sctimes_2", unimplementedFunc),
+    /* 73 */ SyscallDesc("mach_sctimes_3", unimplementedFunc),
+    /* 74 */ SyscallDesc("mach_sctimes_4", unimplementedFunc),
+    /* 75 */ SyscallDesc("mach_sctimes_5", unimplementedFunc),
+    /* 76 */ SyscallDesc("mach_sctimes_6", unimplementedFunc),
+    /* 77 */ SyscallDesc("mach_sctimes_7", unimplementedFunc),
+    /* 78 */ SyscallDesc("mach_sctimes_8", unimplementedFunc),
+    /* 79 */ SyscallDesc("mach_sctimes_9", unimplementedFunc),
+    /* 80 */ SyscallDesc("mach_sctimes_10", unimplementedFunc),
+    /* 81 */ SyscallDesc("mach_sctimes_11", unimplementedFunc),
+    /* 82 */ SyscallDesc("mach_sctimes_port_alloc_dealloc", unimplementedFunc)
+};
+
+const int Tru64::Num_Mach_Syscall_Descs =
+                sizeof(Tru64::machSyscallDescs) / sizeof(SyscallDesc);
+const int Tru64::Max_Mach_Syscall_Desc = Tru64::Num_Mach_Syscall_Descs - 1;
+const int Tru64::Min_Syscall_Desc = -Tru64::Max_Mach_Syscall_Desc;
+
+
+void
+AlphaTru64Process::syscall(ExecContext *xc)
+{
+    num_syscalls++;
+
+    int64_t callnum = xc->regs.intRegFile[ReturnValueReg];
+
+    Tru64::doSyscall(callnum, this, xc);
+}
+
+
+AlphaTru64Process::AlphaTru64Process(const std::string &name,
+                                     ObjectFile *objFile,
+                                     int stdin_fd,
+                                     int stdout_fd,
+                                     int stderr_fd,
+                                     std::vector<std::string> &argv,
+                                     std::vector<std::string> &envp)
+    : LiveProcess(name, objFile, stdin_fd, stdout_fd, stderr_fd, argv, envp)
+{
+}