* Makefile.am, configure.ac: Add nios2 architecture
  * defs.h: Add nios2 to use register reading system
  * linux/nios2/ioctlent.h.in: Use i386 ioctls
  * linux/nios2/syscallent.h: New file
  * process.c: Add nios2 register defs to struct_user_offsets[]
  * syscall.c: Add nios2 support, for get_scno, get_regs, get_syscall_args
    and get_error
  * util.c: Add dummy handling
  * system.c: Add nios2 specific syscalls.

Signed-off-by: Ezequiel Garcia <ezequ...@vanguardiasur.com.ar>
---
 Makefile.am               |   2 +
 configure.ac              |   4 +
 defs.h                    |   3 +-
 linux/nios2/ioctlent.h.in |   1 +
 linux/nios2/syscallent.h  | 370 ++++++++++++++++++++++++++++++++++++++++++++++
 linux/syscall.h           |   6 +
 process.c                 |  38 +++++
 syscall.c                 |  32 ++++
 system.c                  |  29 ++++
 util.c                    |   2 +
 10 files changed, 486 insertions(+), 1 deletion(-)
 create mode 100644 linux/nios2/ioctlent.h.in
 create mode 100644 linux/nios2/syscallent.h

diff --git a/Makefile.am b/Makefile.am
index c98d8b9..2ccde2f 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -112,6 +112,8 @@ EXTRA_DIST =                                \
        linux/metag/syscallent.h        \
        linux/microblaze/ioctlent.h.in  \
        linux/microblaze/syscallent.h   \
+       linux/nios2/ioctlent.h.in       \
+       linux/nios2/syscallent.h        \
        linux/mips/errnoent.h           \
        linux/mips/ioctlent.h.in        \
        linux/mips/ioctlent.sh          \
diff --git a/configure.ac b/configure.ac
index be28ebe..90edb32 100644
--- a/configure.ac
+++ b/configure.ac
@@ -125,6 +125,10 @@ microblaze*)
        arch=microblaze
        AC_DEFINE([MICROBLAZE], 1, [Define for the MicroBlaze architecture.])
        ;;
+nios2*)
+       arch=nios2
+       AC_DEFINE([NIOS2], 1, [Define for the Nios-II architecture.])
+       ;;
 or1k*)
        arch=or1k
        AC_DEFINE([OR1K], 1, [Define for the OpenRISC 1000 architecture.])
diff --git a/defs.h b/defs.h
index 95d2571..61c5fda 100644
--- a/defs.h
+++ b/defs.h
@@ -598,7 +598,8 @@ extern void call_summary(FILE *);
  || defined(OR1K) \
  || defined(METAG) \
  || defined(ARC) \
- || defined(POWERPC)
+ || defined(POWERPC) \
+ || defined(NIOS2)
 extern long get_regs_error;
 # define clear_regs()  (get_regs_error = -1)
 extern void get_regs(pid_t pid);
diff --git a/linux/nios2/ioctlent.h.in b/linux/nios2/ioctlent.h.in
new file mode 100644
index 0000000..52ac99b
--- /dev/null
+++ b/linux/nios2/ioctlent.h.in
@@ -0,0 +1 @@
+#include "../i386/ioctlent.h.in"
diff --git a/linux/nios2/syscallent.h b/linux/nios2/syscallent.h
new file mode 100644
index 0000000..95fd619
--- /dev/null
+++ b/linux/nios2/syscallent.h
@@ -0,0 +1,370 @@
+/*
+ * Copyright (c) 2014 Ezequiel Garcia <ezequ...@vanguardiasur.com.ar>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
+ */
+
+       { 0,    0,      sys_restart_syscall,    "restart_syscall" }, /* 0 */
+       { 1,    TP,     sys_exit,               "_exit"         }, /* 1 */
+       { 0,    TP,     sys_fork,               "fork"          }, /* 2 */
+       { 3,    TD,     sys_read,               "read"          }, /* 3 */
+       { 3,    TD,     sys_write,              "write"         }, /* 4 */
+       { 3,    TD|TF,  sys_open,               "open"          }, /* 5 */
+       { 1,    TD,     sys_close,              "close"         }, /* 6 */
+       { 3,    TP,     sys_waitpid,            "waitpid"       }, /* 7 */
+       { 2,    TD|TF,  sys_creat,              "creat"         }, /* 8 */
+       { 2,    TF,     sys_link,               "link"          }, /* 9 */
+       { 1,    TF,     sys_unlink,             "unlink"        }, /* 10 */
+       { 3,    TF|TP,  sys_execve,             "execve"        }, /* 11 */
+       { 1,    TF,     sys_chdir,              "chdir"         }, /* 12 */
+       { 1,    0,      sys_time,               "time"          }, /* 13 */
+       { 3,    TF,     sys_mknod,              "mknod"         }, /* 14 */
+       { 2,    TF,     sys_chmod,              "chmod"         }, /* 15 */
+       { 3,    TF,     sys_chown,              "lchown"        }, /* 16 */
+       { 0,    TM,     NULL,                   NULL            }, /* 17 */
+       { 2,    TF,     NULL,                   NULL            }, /* 18 */
+       { 3,    TD,     sys_lseek,              "lseek"         }, /* 19 */
+       { 0,    0,      sys_getpid,             "getpid"        }, /* 20 */
+       { 5,    TF,     sys_mount,              "mount"         }, /* 21 */
+       { 1,    TF,     sys_umount,             "oldumount"     }, /* 22 */
+       { 1,    0,      sys_setuid,             "setuid"        }, /* 23 */
+       { 0,    NF,     sys_getuid,             "getuid"        }, /* 24 */
+       { 1,    0,      sys_stime,              "stime"         }, /* 25 */
+       { 4,    0,      sys_ptrace,             "ptrace"        }, /* 26 */
+       { 1,    0,      sys_alarm,              "alarm"         }, /* 27 */
+       { 2,    TD,     NULL,                   NULL            }, /* 28 */
+       { 0,    TS,     sys_pause,              "pause"         }, /* 29 */
+       { 2,    TF,     sys_utime,              "utime"         }, /* 30 */
+       { 2,    0,      NULL,                   NULL            }, /* 31 */
+       { 2,    0,      NULL,                   NULL            }, /* 32 */
+       { 2,    TF,     sys_access,             "access"        }, /* 33 */
+       { 1,    0,      sys_nice,               "nice"          }, /* 34 */
+       { 0,    0,      NULL,                   NULL            }, /* 35 */
+       { 0,    0,      sys_sync,               "sync"          }, /* 36 */
+       { 2,    TS,     sys_kill,               "kill"          }, /* 37 */
+       { 2,    TF,     sys_rename,             "rename"        }, /* 38 */
+       { 2,    TF,     sys_mkdir,              "mkdir"         }, /* 39 */
+       { 1,    TF,     sys_rmdir,              "rmdir"         }, /* 40 */
+       { 1,    TD,     sys_dup,                "dup"           }, /* 41 */
+       { 1,    TD,     sys_pipe,               "pipe"          }, /* 42 */
+       { 1,    0,      sys_times,              "times"         }, /* 43 */
+       { 0,    0,      NULL,                   NULL            }, /* 44 */
+       { 1,    TM,     sys_brk,                "brk"           }, /* 45 */
+       { 1,    0,      sys_setgid,             "setgid"        }, /* 46 */
+       { 0,    NF,     sys_getgid,             "getgid"        }, /* 47 */
+       { 3,    TS,     NULL,                   NULL            }, /* 48 */
+       { 0,    NF,     sys_geteuid,            "geteuid"       }, /* 49 */
+       { 0,    NF,     sys_getegid,            "getegid"       }, /* 50 */
+       { 1,    TF,     sys_acct,               "acct"          }, /* 51 */
+       { 2,    TF,     sys_umount2,            "umount"        }, /* 52 */
+       { 0,    0,      NULL,                   NULL            }, /* 53 */
+       { 3,    TD,     sys_ioctl,              "ioctl"         }, /* 54 */
+       { 3,    TD,     sys_fcntl,              "fcntl"         }, /* 55 */
+       { 0,    0,      NULL,                   NULL            }, /* 56 */
+       { 2,    0,      sys_setpgid,            "setpgid"       }, /* 57 */
+       { 2,    0,      NULL,                   NULL            }, /* 58 */
+       { 1,    0,      NULL,                   NULL            }, /* 59 */
+       { 1,    0,      sys_umask,              "umask"         }, /* 60 */
+       { 1,    TF,     sys_chroot,             "chroot"        }, /* 61 */
+       { 2,    0,      sys_ustat,              "ustat"         }, /* 62 */
+       { 2,    TD,     sys_dup2,               "dup2"          }, /* 63 */
+       { 0,    0,      sys_getppid,            "getppid"       }, /* 64 */
+       { 0,    0,      sys_getpgrp,            "getpgrp"       }, /* 65 */
+       { 0,    0,      sys_setsid,             "setsid"        }, /* 66 */
+       { 3,    TS,     sys_sigaction,          "sigaction"     }, /* 67 */
+       { 0,    TS,     NULL,                   NULL            }, /* 68 */
+       { 1,    TS,     NULL,                   NULL            }, /* 69 */
+       { 2,    0,      sys_setreuid,           "setreuid"      }, /* 70 */
+       { 2,    0,      sys_setregid,           "setregid"      }, /* 71 */
+       { 3,    TS,     sys_sigsuspend,         "sigsuspend"    }, /* 72 */
+       { 1,    TS,     sys_sigpending,         "sigpending"    }, /* 73 */
+       { 2,    0,      sys_sethostname,        "sethostname"   }, /* 74 */
+       { 2,    0,      sys_setrlimit,          "setrlimit"     }, /* 75 */
+       { 2,    0,      NULL,                   NULL            }, /* 76 */
+       { 2,    0,      sys_getrusage,          "getrusage"     }, /* 77 */
+       { 2,    0,      sys_gettimeofday,       "gettimeofday"  }, /* 78 */
+       { 2,    0,      sys_settimeofday,       "settimeofday"  }, /* 79 */
+       { 2,    0,      sys_getgroups,          "getgroups"     }, /* 80 */
+       { 2,    0,      sys_setgroups,          "setgroups"     }, /* 81 */
+       { 1,    TD,     sys_oldselect,          "oldselect"     }, /* 82 */
+       { 2,    TF,     sys_symlink,            "symlink"       }, /* 83 */
+       { 2,    TF,     NULL,                   NULL            }, /* 84 */
+       { 3,    TF,     sys_readlink,           "readlink"      }, /* 85 */
+       { 1,    TF,     sys_uselib,             "uselib"        }, /* 86 */
+       { 2,    TF,     sys_swapon,             "swapon"        }, /* 87 */
+       { 4,    0,      sys_reboot,             "reboot"        }, /* 88 */
+       { 3,    TD,     NULL,                   NULL            }, /* 89 */
+       { 6,    TD|TM,  sys_mmap,               "old_mmap"      }, /* 90 */
+       { 2,    TM,     sys_munmap,             "munmap"        }, /* 91 */
+       { 2,    TF,     sys_truncate,           "truncate"      }, /* 92 */
+       { 2,    TD,     sys_ftruncate,          "ftruncate"     }, /* 93 */
+       { 2,    TD,     sys_fchmod,             "fchmod"        }, /* 94 */
+       { 3,    TD,     sys_fchown,             "fchown"        }, /* 95 */
+       { 2,    0,      sys_getpriority,        "getpriority"   }, /* 96 */
+       { 3,    0,      sys_setpriority,        "setpriority"   }, /* 97 */
+       { 4,    0,      NULL,                   NULL            }, /* 98 */
+       { 2,    TF,     sys_statfs,             "statfs"        }, /* 99 */
+       { 2,    TD,     sys_fstatfs,            "fstatfs"       }, /* 100 */
+       { 3,    0,      NULL,                   NULL            }, /* 101 */
+       { 2,    TD,     sys_socketcall,         "socketcall"    }, /* 102 */
+       { 3,    0,      sys_syslog,             "syslog"        }, /* 103 */
+       { 3,    0,      sys_setitimer,          "setitimer"     }, /* 104 */
+       { 2,    0,      sys_getitimer,          "getitimer"     }, /* 105 */
+       { 2,    TF,     sys_stat,               "stat"          }, /* 106 */
+       { 2,    TF,     sys_lstat,              "lstat"         }, /* 107 */
+       { 2,    TD,     sys_fstat,              "fstat"         }, /* 108 */
+       { 1,    0,      NULL,                   NULL            }, /* 109 */
+       { 1,    0,      NULL,                   NULL            }, /* 110 */
+       { 0,    0,      sys_vhangup,            "vhangup"       }, /* 111 */
+       { 0,    0,      NULL,                   NULL            }, /* 112 */
+       { 1,    0,      sys_nios2cmpxchg,       "nios2_cmpxchg" }, /* 113 */
+       { 4,    TP,     sys_wait4,              "wait4"         }, /* 114 */
+       { 1,    TF,     sys_swapoff,            "swapoff"       }, /* 115 */
+       { 1,    0,      sys_sysinfo,            "sysinfo"       }, /* 116 */
+       { 6,    TI,     sys_ipc,                "ipc"           }, /* 117 */
+       { 1,    TD,     sys_fsync,              "fsync"         }, /* 118 */
+       { 0,    TS,     sys_sigreturn,          "sigreturn"     }, /* 119 */
+       { 5,    TP,     sys_clone,              "clone"         }, /* 120 */
+       { 2,    0,      sys_setdomainname,      "setdomainname" }, /* 121 */
+       { 1,    0,      sys_uname,              "uname"         }, /* 122 */
+       { 3,    0,      sys_cacheflush,         "cacheflush"    }, /* 123 */
+       { 1,    0,      sys_adjtimex,           "adjtimex"      }, /* 124 */
+       { 3,    TM,     sys_mprotect,           "mprotect"      }, /* 125 */
+       { 3,    TS,     sys_sigprocmask,        "sigprocmask"   }, /* 126 */
+       { 2,    0,      NULL,                   NULL    }, /* 127 */
+       { 3,    0,      sys_init_module,        "init_module"   }, /* 128 */
+       { 2,    0,      sys_delete_module,      "delete_module" }, /* 129 */
+       { 1,    0,      NULL,                   NULL            }, /* 130 */
+       { 4,    TF,     sys_quotactl,           "quotactl"      }, /* 131 */
+       { 1,    0,      sys_getpgid,            "getpgid"       }, /* 132 */
+       { 1,    TD,     sys_fchdir,             "fchdir"        }, /* 133 */
+       { 0,    0,      sys_bdflush,            "bdflush"       }, /* 134 */
+       { 3,    0,      sys_sysfs,              "sysfs"         }, /* 135 */
+       { 1,    0,      sys_personality,        "personality"   }, /* 136 */
+       { 5,    0,      NULL,                   NULL            }, /* 137 */
+       { 1,    NF,     sys_setfsuid,           "setfsuid"      }, /* 138 */
+       { 1,    NF,     sys_setfsgid,           "setfsgid"      }, /* 139 */
+       { 5,    TD,     sys_llseek,             "_llseek"       }, /* 140 */
+       { 3,    TD,     sys_getdents,           "getdents"      }, /* 141 */
+       { 5,    TD,     sys_select,             "select"        }, /* 142 */
+       { 2,    TD,     sys_flock,              "flock"         }, /* 143 */
+       { 3,    TM,     sys_msync,              "msync"         }, /* 144 */
+       { 3,    TD,     sys_readv,              "readv"         }, /* 145 */
+       { 3,    TD,     sys_writev,             "writev"        }, /* 146 */
+       { 1,    0,      sys_getsid,             "getsid"        }, /* 147 */
+       { 1,    TD,     sys_fdatasync,          "fdatasync"     }, /* 148 */
+       { 1,    0,      sys_sysctl,             "_sysctl"       }, /* 149 */
+       { 2,    TM,     sys_mlock,              "mlock"         }, /* 150 */
+       { 2,    TM,     sys_munlock,            "munlock"       }, /* 151 */
+       { 1,    TM,     sys_mlockall,           "mlockall"      }, /* 152 */
+       { 0,    TM,     sys_munlockall,         "munlockall"    }, /* 153 */
+       { 0,    0,      sys_sched_setparam,     "sched_setparam"}, /* 154 */
+       { 2,    0,      sys_sched_getparam,     "sched_getparam"}, /* 155 */
+       { 3,    0,      sys_sched_setscheduler, "sched_setscheduler"}, /* 156 */
+       { 1,    0,      sys_sched_getscheduler, "sched_getscheduler"}, /* 157 */
+       { 0,    0,      sys_sched_yield,        "sched_yield"}, /* 158 */
+       { 1,    0,      sys_sched_get_priority_max,"sched_get_priority_max"}, 
/* 159 */
+       { 1,    0,      sys_sched_get_priority_min,"sched_get_priority_min"}, 
/* 160 */
+       { 2,    0,      sys_sched_rr_get_interval,"sched_rr_get_interval"}, /* 
161 */
+       { 2,    0,      sys_nanosleep,          "nanosleep"     }, /* 162 */
+       { 5,    TM,     sys_mremap,             "mremap"        }, /* 163 */
+       { 3,    0,      sys_setresuid,          "setresuid"     }, /* 164 */
+       { 3,    0,      sys_getresuid,          "getresuid"     }, /* 165 */
+       { 5,    0,      sys_getpagesize,        "getpagesize"   }, /* 166 */
+       { 5,    0,      NULL,                   NULL            }, /* 167 */
+       { 3,    TD,     sys_poll,               "poll"          }, /* 168 */
+       { 3,    0,      NULL,                   NULL            }, /* 169 */
+       { 3,    0,      sys_setresgid,          "setresgid"     }, /* 170 */
+       { 3,    0,      sys_getresgid,          "getresgid"     }, /* 171 */
+       { 5,    0,      sys_prctl,              "prctl"         }, /* 172 */
+       { 0,    TS,     sys_rt_sigreturn,       "rt_sigreturn"  }, /* 173 */
+       { 4,    TS,     sys_rt_sigaction,       "rt_sigaction"  }, /* 174 */
+       { 4,    TS,     sys_rt_sigprocmask,     "rt_sigprocmask"}, /* 175 */
+       { 2,    TS,     sys_rt_sigpending,      "rt_sigpending" }, /* 176 */
+       { 4,    TS,     sys_rt_sigtimedwait,    "rt_sigtimedwait"}, /* 177 */
+       { 3,    TS,     sys_rt_sigqueueinfo,    "rt_sigqueueinfo"}, /* 178 */
+       { 2,    TS,     sys_rt_sigsuspend,      "rt_sigsuspend" }, /* 179 */
+       { 5,    TD,     sys_pread,              "pread64"       }, /* 180 */
+       { 5,    TD,     sys_pwrite,             "pwrite64"      }, /* 181 */
+       { 3,    TF,     sys_chown,              "chown"         }, /* 182 */
+       { 2,    TF,     sys_getcwd,             "getcwd"        }, /* 183 */
+       { 2,    0,      sys_capget,             "capget"        }, /* 184 */
+       { 2,    0,      sys_capset,             "capset"        }, /* 185 */
+       { 2,    TS,     sys_sigaltstack,        "sigaltstack"   }, /* 186 */
+       { 4,    TD|TN,  sys_sendfile,           "sendfile"      }, /* 187 */
+       { 5,    0,      NULL,                   NULL            }, /* 188 */
+       { 5,    0,      NULL,                   NULL            }, /* 189 */
+       { 0,    TP,     sys_vfork,              "vfork"         }, /* 190 */
+       { 2,    0,      sys_getrlimit,          "getrlimit"     }, /* 191 */
+       { 6,    TD|TM,  sys_mmap_pgoff,         "mmap2"         }, /* 192 */
+       { 3,    TF,     sys_truncate64,         "truncate64"    }, /* 193 */
+       { 3,    TD,     sys_ftruncate64,        "ftruncate64"   }, /* 194 */
+       { 2,    TF,     sys_stat64,             "stat64"        }, /* 195 */
+       { 2,    TF,     sys_lstat64,            "lstat64"       }, /* 196 */
+       { 2,    TD,     sys_fstat64,            "fstat64"       }, /* 197 */
+       { 3,    TF,     sys_chown,              "lchown32"      }, /* 198 */
+       { 0,    NF,     sys_getuid,             "getuid32"      }, /* 199 */
+       { 0,    NF,     sys_getgid,             "getgid32"      }, /* 200 */
+       { 0,    NF,     sys_geteuid,            "geteuid32"     }, /* 201 */
+       { 0,    NF,     sys_getegid,            "getegid32"     }, /* 202 */
+       { 2,    0,      sys_setreuid,           "setreuid32"    }, /* 203 */
+       { 2,    0,      sys_setregid,           "setregid32"    }, /* 204 */
+       { 2,    0,      sys_getgroups32,        "getgroups32"   }, /* 205 */
+       { 2,    0,      sys_setgroups32,        "setgroups32"   }, /* 206 */
+       { 3,    TD,     sys_fchown,             "fchown32"      }, /* 207 */
+       { 3,    0,      sys_setresuid,          "setresuid32"   }, /* 208 */
+       { 3,    0,      sys_getresuid,          "getresuid32"   }, /* 209 */
+       { 3,    0,      sys_setresgid,          "setresgid32"   }, /* 210 */
+       { 3,    0,      sys_getresgid,          "getresgid32"   }, /* 211 */
+       { 3,    TF,     sys_chown,              "chown32"       }, /* 212 */
+       { 1,    0,      sys_setuid,             "setuid32"      }, /* 213 */
+       { 1,    0,      sys_setgid,             "setgid32"      }, /* 214 */
+       { 1,    NF,     sys_setfsuid,           "setfsuid32"    }, /* 215 */
+       { 1,    NF,     sys_setfsgid,           "setfsgid32"    }, /* 216 */
+       { 2,    TF,     sys_pivotroot,          "pivot_root"    }, /* 217 */
+       { 3,    TM,     NULL,                   NULL            }, /* 218 */
+       { 3,    TM,     NULL,                   NULL            }, /* 219 */
+       { 3,    TD,     sys_getdents64,         "getdents64"    }, /* 220 */
+       { 3,    TD,     sys_gettid,             "gettid"        }, /* 221 */
+       { 2,    TS,     sys_kill,               "tkill"         }, /* 222 */
+       { 5,    TF,     sys_setxattr,           "setxattr"      }, /* 223 */
+       { 5,    TF,     sys_setxattr,           "lsetxattr"     }, /* 224 */
+       { 5,    TD,     sys_fsetxattr,          "fsetxattr"     }, /* 225 */
+       { 4,    TF,     sys_getxattr,           "getxattr"      }, /* 226 */
+       { 4,    TF,     sys_getxattr,           "lgetxattr"     }, /* 237 */
+       { 4,    TD,     sys_fgetxattr,          "fgetxattr"     }, /* 228 */
+       { 3,    TF,     sys_listxattr,          "listxattr"     }, /* 229 */
+       { 3,    TF,     sys_listxattr,          "llistxattr"    }, /* 230 */
+       { 3,    TD,     sys_flistxattr,         "flistxattr"    }, /* 231 */
+       { 2,    TF,     sys_removexattr,        "removexattr"   }, /* 232 */
+       { 2,    TF,     sys_removexattr,        "lremovexattr"  }, /* 233 */
+       { 2,    TD,     sys_fremovexattr,       "fremovexattr"  }, /* 234 */
+       { 6,    0,      sys_futex,              "futex"         }, /* 235 */
+       { 4,    TD|TN,  sys_sendfile64,         "sendfile64"    }, /* 236 */
+       { 3,    TM,     sys_mincore,            "mincore"       }, /* 237 */
+       { 3,    TM,     sys_madvise,            "madvise"       }, /* 238 */
+       { 3,    TD,     sys_fcntl,              "fcntl64"       }, /* 239 */
+       { 4,    TD,     sys_readahead,          "readahead"     }, /* 240 */
+       { 2,    0,      sys_io_setup,           "io_setup"      }, /* 241 */
+       { 1,    0,      sys_io_destroy,         "io_destroy"    }, /* 242 */
+       { 5,    0,      sys_io_getevents,       "io_getevents"  }, /* 243 */
+       { 3,    0,      sys_io_submit,          "io_submit"     }, /* 244 */
+       { 3,    0,      sys_io_cancel,          "io_cancel"     }, /* 245 */
+       { 5,    TD,     sys_fadvise64,          "fadvise64"     }, /* 246 */
+       { 1,    TP,     sys_exit,               "exit_group"    }, /* 247 */
+       { 4,    0,      sys_lookup_dcookie,     "lookup_dcookie"}, /* 248 */
+       { 1,    TD,     sys_epoll_create,       "epoll_create"  }, /* 249 */
+       { 4,    TD,     sys_epoll_ctl,          "epoll_ctl"     }, /* 250 */
+       { 4,    TD,     sys_epoll_wait,         "epoll_wait"    }, /* 251 */
+       { 5,    TM,     sys_remap_file_pages,   "remap_file_pages"}, /* 252 */
+       { 1,    0,      sys_set_tid_address,    "set_tid_address"}, /* 253 */
+       { 3,    0,      sys_timer_create,       "timer_create"  }, /* 254 */
+       { 4,    0,      sys_timer_settime,      "timer_settime" }, /* 255 */
+       { 2,    0,      sys_timer_gettime,      "timer_gettime" }, /* 256 */
+       { 1,    0,      sys_timer_getoverrun,   "timer_getoverrun"}, /* 257 */
+       { 1,    0,      sys_timer_delete,       "timer_delete"  }, /* 258 */
+       { 2,    0,      sys_clock_settime,      "clock_settime" }, /* 259 */
+       { 2,    0,      sys_clock_gettime,      "clock_gettime" }, /* 260 */
+       { 2,    0,      sys_clock_getres,       "clock_getres"  }, /* 261 */
+       { 4,    0,      sys_clock_nanosleep,    "clock_nanosleep"}, /* 262 */
+       { 3,    TF,     sys_statfs64,           "statfs64"      }, /* 263 */
+       { 3,    TD,     sys_fstatfs64,          "fstatfs64"     }, /* 264 */
+       { 3,    TS,     sys_tgkill,             "tgkill"        }, /* 265 */
+       { 2,    TF,     sys_utimes,             "utimes"        }, /* 266 */
+       { 6,    TD,     sys_fadvise64_64,       "fadvise64_64"  }, /* 267 */
+       { 6,    TM,     sys_mbind,              "mbind"         }, /* 268 */
+       { 5,    TM,     sys_get_mempolicy,      "get_mempolicy" }, /* 269 */
+       { 3,    TM,     sys_set_mempolicy,      "set_mempolicy" }, /* 270 */
+       { 4,    0,      sys_mq_open,            "mq_open"       }, /* 271 */
+       { 1,    0,      sys_mq_unlink,          "mq_unlink"     }, /* 272 */
+       { 5,    0,      sys_mq_timedsend,       "mq_timedsend"  }, /* 273 */
+       { 5,    0,      sys_mq_timedreceive,    "mq_timedreceive" }, /* 274 */
+       { 2,    0,      sys_mq_notify,          "mq_notify"     }, /* 275 */
+       { 3,    0,      sys_mq_getsetattr,      "mq_getsetattr" }, /* 276 */
+       { 5,    TP,     sys_waitid,             "waitid"        }, /* 277 */
+       { 6,    0,      NULL,                   NULL            }, /* 278 */
+       { 5,    0,      sys_add_key,            "add_key"       }, /* 279 */
+       { 4,    0,      sys_request_key,        "request_key"   }, /* 280 */
+       { 5,    0,      sys_keyctl,             "keyctl"        }, /* 281 */
+       { 3,    0,      sys_ioprio_set,         "ioprio_set"    }, /* 282 */
+       { 2,    0,      sys_ioprio_get,         "ioprio_get"    }, /* 283 */
+       { 0,    TD,     sys_inotify_init,       "inotify_init"  }, /* 284 */
+       { 3,    TD,     sys_inotify_add_watch,  "inotify_add_watch" }, /* 285 */
+       { 2,    TD,     sys_inotify_rm_watch,   "inotify_rm_watch" }, /* 286 */
+       { 4,    TM,     sys_migrate_pages,      "migrate_pages" }, /* 287 */
+       { 4,    TD|TF,  sys_openat,             "openat"        }, /* 288 */
+       { 3,    TD|TF,  sys_mkdirat,            "mkdirat"       }, /* 289 */
+       { 4,    TD|TF,  sys_mknodat,            "mknodat"       }, /* 290 */
+       { 5,    TD|TF,  sys_fchownat,           "fchownat"      }, /* 291 */
+       { 3,    TD|TF,  sys_futimesat,          "futimesat"     }, /* 292 */
+       { 4,    TD|TF,  sys_newfstatat,         "fstatat64"     }, /* 293 */
+       { 3,    TD|TF,  sys_unlinkat,           "unlinkat"      }, /* 294 */
+       { 4,    TD|TF,  sys_renameat,           "renameat"      }, /* 295 */
+       { 5,    TD|TF,  sys_linkat,             "linkat"        }, /* 296 */
+       { 3,    TD|TF,  sys_symlinkat,          "symlinkat"     }, /* 297 */
+       { 4,    TD|TF,  sys_readlinkat,         "readlinkat"    }, /* 298 */
+       { 3,    TD|TF,  sys_fchmodat,           "fchmodat"      }, /* 299 */
+       { 3,    TD|TF,  sys_faccessat,          "faccessat"     }, /* 300 */
+       { 6,    TD,     sys_pselect6,           "pselect6"      }, /* 301 */
+       { 5,    TD,     sys_ppoll,              "ppoll"         }, /* 302 */
+       { 1,    TP,     sys_unshare,            "unshare"       }, /* 303 */
+       { 2,    0,      sys_set_robust_list,    "set_robust_list" }, /* 304 */
+       { 3,    0,      sys_get_robust_list,    "get_robust_list" }, /* 305 */
+       { 6,    TD,     sys_splice,             "splice"        }, /* 306 */
+       { 6,    TD,     sys_sync_file_range,    "sync_file_range" }, /* 307 */
+       { 4,    TD,     sys_tee,                "tee"           }, /* 308 */
+       { 4,    TD,     sys_vmsplice,           "vmsplice"      }, /* 309 */
+       { 6,    TM,     sys_move_pages,         "move_pages"    }, /* 310 */
+       { 3,    0,      sys_sched_setaffinity,  "sched_setaffinity" },/* 311 */
+       { 3,    0,      sys_sched_getaffinity,  "sched_getaffinity" },/* 312 */
+       { 4,    0,      sys_kexec_load,         "kexec_load"    }, /* 313 */
+       { 3,    0,      sys_getcpu,             "getcpu"        }, /* 314 */
+       { 6,    TD,     sys_epoll_pwait,        "epoll_pwait"   }, /* 315 */
+       { 4,    TD|TF,  sys_utimensat,          "utimensat"     }, /* 316 */
+       { 3,    TD|TS,  sys_signalfd,           "signalfd"      }, /* 317 */
+       { 2,    TD,     sys_timerfd_create,     "timerfd_create"}, /* 318 */
+       { 1,    TD,     sys_eventfd,            "eventfd"       }, /* 319 */
+       { 5,    TD,     sys_pread,              "pread64"       }, /* 320 */
+       { 5,    TD,     sys_pwrite,             "pwrite64"      }, /* 321 */
+       { 6,    TD,     sys_fallocate,          "fallocate"     }, /* 322 */
+       { 4,    TD,     sys_timerfd_settime,    "timerfd_settime"}, /* 323 */
+       { 2,    TD,     sys_timerfd_gettime,    "timerfd_gettime"}, /* 324 */
+       { 4,    TD|TS,  sys_signalfd4,          "signalfd4"     }, /* 325 */
+       { 2,    TD,     sys_eventfd2,           "eventfd2"      }, /* 326 */
+       { 1,    TD,     sys_epoll_create1,      "epoll_create1" }, /* 327 */
+       { 3,    TD,     sys_dup3,               "dup3"          }, /* 328 */
+       { 2,    TD,     sys_pipe2,              "pipe2"         }, /* 329 */
+       { 1,    TD,     sys_inotify_init1,      "inotify_init1" }, /* 330 */
+       { 5,    TD,     sys_preadv,             "preadv"        }, /* 331 */
+       { 5,    TD,     sys_pwritev,            "pwritev"       }, /* 332 */
+       { 4,    TP|TS,  sys_rt_tgsigqueueinfo,  "rt_tgsigqueueinfo"}, /* 333 */
+       { 5,    TD,     sys_perf_event_open,    "perf_event_open"}, /* 334 */
+       { 5,    TN,     sys_recvmmsg,           "recvmmsg"      }, /* 335 */
+       { 2,    TD,     sys_fanotify_init,      "fanotify_init" }, /* 336 */
+       { 5,    TD|TF,  sys_fanotify_mark,      "fanotify_mark" }, /* 337 */
+       { 4,    0,      sys_prlimit64,          "prlimit64"     }, /* 338 */
+       { 5,    TD|TF,  sys_name_to_handle_at,  "name_to_handle_at"}, /* 339 */
+       { 3,    TD,     sys_open_by_handle_at,  "open_by_handle_at"}, /* 340 */
+       { 2,    0,      sys_clock_adjtime,      "clock_adjtime" }, /* 341 */
+       { 1,    TD,     sys_syncfs,             "syncfs"        }, /* 342 */
diff --git a/linux/syscall.h b/linux/syscall.h
index 502e8eb..ce7e7e2 100644
--- a/linux/syscall.h
+++ b/linux/syscall.h
@@ -346,3 +346,9 @@ int sys_execv();
 int sys_getmsg();
 int sys_putmsg();
 #endif
+
+#ifdef NIOS2
+int sys_getpagesize();
+int sys_cacheflush();
+int sys_nios2cmpxchg();
+#endif
diff --git a/process.c b/process.c
index 5a648a9..1519e69 100644
--- a/process.c
+++ b/process.c
@@ -2373,6 +2373,42 @@ const struct xlat struct_user_offsets[] = {
        { REG_A_BASE+14,        "a14"           },
        { REG_A_BASE+15,        "a15"           },
 #endif
+#ifdef NIOS2
+       { 4*0,  "r0" },
+       { 4*1,  "r1" },
+       { 4*2,  "r2" },
+       { 4*3,  "r3" },
+       { 4*4,  "r4" },
+       { 4*5,  "r5" },
+       { 4*6,  "r6" },
+       { 4*7,  "r7" },
+       { 4*8,  "r8" },
+       { 4*9,  "r9" },
+       { 4*10, "r10" },
+       { 4*11, "r11" },
+       { 4*12, "r12" },
+       { 4*13, "r13" },
+       { 4*14, "r14" },
+       { 4*15, "r15" },
+       { 4*16, "r16" },
+       { 4*17, "r17" },
+       { 4*18, "r18" },
+       { 4*19, "r19" },
+       { 4*20, "r20" },
+       { 4*21, "r21" },
+       { 4*22, "r22" },
+       { 4*23, "r23" },
+       { 4*24, "r24" },
+       { 4*25, "r25" },
+       { 4*26, "r26" },
+       { 4*27, "r27" },
+       { 4*28, "r28" },
+       { 4*29, "r29" },
+       { 4*30, "r30" },
+       { 4*31, "r31" },
+       { 4*32, "pc" },
+       { 4*33, "sr" },
+#endif
 
        /* Other fields in "struct user" */
 #if defined(S390) || defined(S390X)
@@ -2507,6 +2543,8 @@ const struct xlat struct_user_offsets[] = {
        { sizeof(struct user),  "sizeof(struct user)"                   },
 #elif defined(OR1K)
        /* nothing */
+#elif defined(NIOS2)
+       /* nothing */
 #elif defined(METAG)
        /* nothing */
 #elif defined(XTENSA)
diff --git a/syscall.c b/syscall.c
index 4b6b4eb..bd3aa7f 100644
--- a/syscall.c
+++ b/syscall.c
@@ -778,6 +778,8 @@ static long xtensa_a2;
 # elif defined(ARC)
 static struct user_regs_struct arc_regs;
 # define ARCH_REGS_FOR_GETREGSET arc_regs
+#elif defined(NIOS2)
+static struct user_regs nios2_regs;
 #endif
 
 void
@@ -1052,6 +1054,8 @@ get_regs(pid_t pid)
        get_regs_error = ptrace(PTRACE_GETREGS, pid, NULL, &tile_regs);
 # elif defined(SPARC) || defined(SPARC64)
        get_regs_error = ptrace(PTRACE_GETREGS, pid, (char *)&sparc_regs, 0);
+# elif defined(NIOS2)
+       get_regs_error = ptrace(PTRACE_GETREGS, pid, NULL, &nios2_regs);
 # elif defined(POWERPC)
        static bool old_kernel = 0;
        if (old_kernel)
@@ -1551,6 +1555,8 @@ get_scno(struct tcb *tcp)
                return -1;
 # elif defined(ARC)
        scno = arc_regs.scratch.r8;
+#elif defined(NIOS2)
+       scno = nios2_regs.uregs[2];
 #endif
 
        tcp->scno = scno;
@@ -1946,6 +1952,15 @@ get_syscall_args(struct tcb *tcp)
        for (i = 0; i < nargs; ++i)
                tcp->u_arg[i] = *arc_args--;
 
+#elif defined(NIOS2)
+       (void)i;
+       (void)nargs;
+       tcp->u_arg[0] = nios2_regs.uregs[4];
+       tcp->u_arg[1] = nios2_regs.uregs[5];
+       tcp->u_arg[2] = nios2_regs.uregs[6];
+       tcp->u_arg[3] = nios2_regs.uregs[7];
+       tcp->u_arg[4] = nios2_regs.uregs[8];
+       tcp->u_arg[5] = nios2_regs.uregs[9];
 #else /* Other architecture (32bits specific) */
        for (i = 0; i < nargs; ++i)
                if (upeek(tcp->pid, i*4, &tcp->u_arg[i]) < 0)
@@ -2146,6 +2161,8 @@ get_syscall_result(struct tcb *tcp)
                return -1;
 #elif defined(ARC)
        /* already done by get_regs */
+#elif defined(NIOS2)
+       /* already done by get_regs */
 #endif
        return 1;
 }
@@ -2459,6 +2476,21 @@ get_error(struct tcb *tcp)
        else {
                tcp->u_rval = arc_regs.scratch.r0;
        }
+#elif defined(NIOS2)
+       /*
+        * The system call convention specifies that r2 contains the return
+        * value on success or a positive error number on failure. A flag
+        * indicating successful completion is written to r7; r7=0 indicates
+        * the system call success, r7=1 indicates an error. The positive
+        * errno value written in r2.
+        */
+       if (check_errno && nios2_regs.uregs[7]) {
+               tcp->u_rval = -1;
+               u_error = nios2_regs.uregs[2];
+       }
+       else {
+               tcp->u_rval = nios2_regs.uregs[2];
+       }
 #endif
        tcp->u_error = u_error;
 }
diff --git a/system.c b/system.c
index 26d0d7f..cb64845 100644
--- a/system.c
+++ b/system.c
@@ -1086,3 +1086,32 @@ int sys_or1k_atomic(struct tcb *tcp)
 }
 
 #endif /* OR1K */
+
+#ifdef NIOS2
+
+int sys_getpagesize(struct tcb *tcp)
+{
+       return 0;
+}
+
+int sys_cacheflush(struct tcb *tcp)
+{
+       if (entering(tcp)) {
+               /* addr and len */
+               tprintf("%#lx, %lu", tcp->u_arg[0], tcp->u_arg[3]);
+               /* scope and flags (cache type) is currently ignored */
+       }
+       return 0;
+}
+
+/* Nios-II specific compare and exchange syscall for atomic operations */
+int sys_nios2cmpxchg(struct tcb *tcp)
+{
+       if (entering(tcp)) {
+               tprintf(", 0x%lx, %#lx, %#lx", tcp->u_arg[0], tcp->u_arg[1],
+                       tcp->u_arg[2]);
+       }
+
+       return RVAL_HEX;
+}
+#endif /* NIOS2 */
diff --git a/util.c b/util.c
index 85bb94c..da82c7a 100644
--- a/util.c
+++ b/util.c
@@ -1448,6 +1448,8 @@ change_syscall(struct tcb *tcp, arg_setup_state *state, 
int new)
        /* microblaze is only supported since about linux-2.6.30 */
 #elif defined(OR1K)
        /* never reached; OR1K is only supported by kernels since 3.1.0. */
+#elif defined(NIOS2)
+       /* never reached; Nios-II is only supported by kernels since 3.7.0. */
 #elif defined(METAG)
        /* setbpt/clearbpt never used: */
        /* Meta is only supported since linux-3.7 */
-- 
1.8.1.5


------------------------------------------------------------------------------
CenturyLink Cloud: The Leader in Enterprise Cloud Services.
Learn Why More Businesses Are Choosing CenturyLink Cloud For
Critical Workloads, Development Environments & Everything In Between.
Get a Quote or Start a Free Trial Today. 
http://pubads.g.doubleclick.net/gampad/clk?id=119420431&iu=/4140/ostg.clktrk
_______________________________________________
Strace-devel mailing list
Strace-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/strace-devel

Reply via email to