1 | /* Support for syscalls for cris*-axis-linux-gnu and simulators |
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2 | Copyright (C) 1998-2005 Axis Communications. |
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3 | All rights reserved. |
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4 | |
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5 | Redistribution and use in source and binary forms, with or without |
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6 | modification, are permitted provided that the following conditions |
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7 | are met: |
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8 | |
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9 | 1. Redistributions of source code must retain the above copyright |
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10 | notice, this list of conditions and the following disclaimer. |
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11 | |
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12 | 2. Neither the name of Axis Communications nor the names of its |
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13 | contributors may be used to endorse or promote products derived |
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14 | from this software without specific prior written permission. |
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15 | |
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16 | THIS SOFTWARE IS PROVIDED BY AXIS COMMUNICATIONS AND ITS CONTRIBUTORS |
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17 | ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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18 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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19 | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL AXIS |
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20 | COMMUNICATIONS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, |
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21 | INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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22 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
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23 | SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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24 | HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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25 | STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
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26 | IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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27 | POSSIBILITY OF SUCH DAMAGE. */ |
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28 | |
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29 | /* Derived from asm-etrax100/unistd.h with minor modifications to fit as |
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30 | LOSS for newlib. */ |
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31 | |
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32 | #ifndef _ASM_ELINUX_UNISTD_H_ |
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33 | #define _ASM_ELINUX_UNISTD_H_ |
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34 | |
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35 | /* Our callers might want to use link_warning, so provide it from here. */ |
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36 | #include "../libnosys/config.h" |
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37 | #include "libnosys/warning.h" |
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38 | |
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39 | #include <errno.h> |
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40 | |
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41 | /* |
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42 | * This file contains the system call numbers, and stub macros for libc. |
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43 | */ |
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44 | |
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45 | #define __NR_setup 0 /* used only by init, to get system going */ |
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46 | #define __NR_exit 1 |
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47 | #define __NR_fork 2 |
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48 | #define __NR_read 3 |
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49 | #define __NR_write 4 |
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50 | #define __NR_open 5 |
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51 | #define __NR_close 6 |
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52 | #define __NR_waitpid 7 |
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53 | #define __NR_creat 8 |
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54 | #define __NR_link 9 |
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55 | #define __NR_unlink 10 |
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56 | #define __NR_execve 11 |
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57 | #define __NR_chdir 12 |
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58 | #define __NR_time 13 |
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59 | #define __NR_mknod 14 |
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60 | #define __NR_chmod 15 |
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61 | #define __NR_chown 16 |
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62 | #define __NR_break 17 |
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63 | #define __NR_oldstat 18 |
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64 | #define __NR_lseek 19 |
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65 | #define __NR_getpid 20 |
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66 | #define __NR_mount 21 |
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67 | #define __NR_umount 22 |
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68 | #define __NR_setuid 23 |
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69 | #define __NR_getuid 24 |
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70 | #define __NR_stime 25 |
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71 | #define __NR_ptrace 26 |
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72 | #define __NR_alarm 27 |
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73 | #define __NR_oldfstat 28 |
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74 | #define __NR_pause 29 |
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75 | #define __NR_utime 30 |
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76 | #define __NR_stty 31 |
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77 | #define __NR_gtty 32 |
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78 | #define __NR_access 33 |
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79 | #define __NR_nice 34 |
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80 | #define __NR_ftime 35 |
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81 | #define __NR_sync 36 |
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82 | #define __NR_kill 37 |
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83 | #define __NR_rename 38 |
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84 | #define __NR_mkdir 39 |
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85 | #define __NR_rmdir 40 |
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86 | #define __NR_dup 41 |
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87 | #define __NR_pipe 42 |
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88 | #define __NR_times 43 |
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89 | #define __NR_prof 44 |
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90 | #define __NR_brk 45 |
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91 | #define __NR_setgid 46 |
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92 | #define __NR_getgid 47 |
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93 | #define __NR_signal 48 |
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94 | #define __NR_geteuid 49 |
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95 | #define __NR_getegid 50 |
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96 | #define __NR_acct 51 |
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97 | #define __NR_phys 52 |
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98 | #define __NR_lock 53 |
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99 | #define __NR_ioctl 54 |
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100 | #define __NR_fcntl 55 |
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101 | #define __NR_mpx 56 |
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102 | #define __NR_setpgid 57 |
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103 | #define __NR_ulimit 58 |
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104 | #define __NR_oldolduname 59 |
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105 | #define __NR_umask 60 |
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106 | #define __NR_chroot 61 |
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107 | #define __NR_ustat 62 |
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108 | #define __NR_dup2 63 |
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109 | #define __NR_getppid 64 |
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110 | #define __NR_getpgrp 65 |
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111 | #define __NR_setsid 66 |
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112 | #define __NR_sigaction 67 |
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113 | #define __NR_sgetmask 68 |
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114 | #define __NR_ssetmask 69 |
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115 | #define __NR_setreuid 70 |
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116 | #define __NR_setregid 71 |
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117 | #define __NR_sigsuspend 72 |
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118 | #define __NR_sigpending 73 |
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119 | #define __NR_sethostname 74 |
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120 | #define __NR_setrlimit 75 |
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121 | #define __NR_getrlimit 76 |
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122 | #define __NR_getrusage 77 |
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123 | #define __NR_gettimeofday 78 |
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124 | #define __NR_settimeofday 79 |
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125 | #define __NR_getgroups 80 |
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126 | #define __NR_setgroups 81 |
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127 | #define __NR_select 82 |
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128 | #define __NR_symlink 83 |
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129 | #define __NR_oldlstat 84 |
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130 | #define __NR_readlink 85 |
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131 | #define __NR_uselib 86 |
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132 | #define __NR_swapon 87 |
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133 | #define __NR_reboot 88 |
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134 | #define __NR_readdir 89 |
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135 | #define __NR_mmap 90 |
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136 | #define __NR_munmap 91 |
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137 | #define __NR_truncate 92 |
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138 | #define __NR_ftruncate 93 |
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139 | #define __NR_fchmod 94 |
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140 | #define __NR_fchown 95 |
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141 | #define __NR_getpriority 96 |
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142 | #define __NR_setpriority 97 |
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143 | #define __NR_profil 98 |
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144 | #define __NR_statfs 99 |
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145 | #define __NR_fstatfs 100 |
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146 | #define __NR_ioperm 101 |
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147 | #define __NR_socketcall 102 |
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148 | #define __NR_syslog 103 |
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149 | #define __NR_setitimer 104 |
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150 | #define __NR_getitimer 105 |
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151 | #define __NR_stat 106 |
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152 | #define __NR_lstat 107 |
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153 | #define __NR_fstat 108 |
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154 | #define __NR_olduname 109 |
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155 | #define __NR_iopl 110 |
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156 | #define __NR_vhangup 111 |
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157 | #define __NR_idle 112 |
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158 | #define __NR_vm86 113 |
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159 | #define __NR_wait4 114 |
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160 | #define __NR_swapoff 115 |
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161 | #define __NR_sysinfo 116 |
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162 | #define __NR_ipc 117 |
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163 | #define __NR_fsync 118 |
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164 | #define __NR_sigreturn 119 |
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165 | #define __NR_clone 120 |
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166 | #define __NR_setdomainname 121 |
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167 | #define __NR_uname 122 |
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168 | #define __NR_modify_ldt 123 |
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169 | #define __NR_adjtimex 124 |
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170 | #define __NR_mprotect 125 |
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171 | #define __NR_sigprocmask 126 |
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172 | #define __NR_create_module 127 |
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173 | #define __NR_init_module 128 |
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174 | #define __NR_delete_module 129 |
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175 | #define __NR_get_kernel_syms 130 |
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176 | #define __NR_quotactl 131 |
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177 | #define __NR_getpgid 132 |
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178 | #define __NR_fchdir 133 |
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179 | #define __NR_bdflush 134 |
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180 | #define __NR_sysfs 135 |
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181 | #define __NR_personality 136 |
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182 | #define __NR_afs_syscall 137 /* Syscall for Andrew File System */ |
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183 | #define __NR_setfsuid 138 |
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184 | #define __NR_setfsgid 139 |
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185 | #define __NR__llseek 140 |
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186 | #define __NR_getdents 141 |
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187 | #define __NR__newselect 142 |
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188 | #define __NR_flock 143 |
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189 | #define __NR_msync 144 |
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190 | #define __NR_readv 145 |
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191 | #define __NR_writev 146 |
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192 | #define __NR_getsid 147 |
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193 | #define __NR_fdatasync 148 |
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194 | #define __NR__sysctl 149 |
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195 | #define __NR_mlock 150 |
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196 | #define __NR_munlock 151 |
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197 | #define __NR_mlockall 152 |
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198 | #define __NR_munlockall 153 |
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199 | #define __NR_sched_setparam 154 |
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200 | #define __NR_sched_getparam 155 |
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201 | #define __NR_sched_setscheduler 156 |
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202 | #define __NR_sched_getscheduler 157 |
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203 | #define __NR_sched_yield 158 |
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204 | #define __NR_sched_get_priority_max 159 |
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205 | #define __NR_sched_get_priority_min 160 |
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206 | #define __NR_sched_rr_get_interval 161 |
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207 | #define __NR_nanosleep 162 |
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208 | #define __NR_mremap 163 |
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209 | |
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210 | #define __NR_mmap2 192 |
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211 | |
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212 | #define PASTE(x,y) x##y |
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213 | #define XSTR(x) # x |
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214 | #define STR(x) XSTR (x) |
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215 | |
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216 | #ifdef __elinux__ |
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217 | # define CRIS_SYSCALL "jir .$System.call" |
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218 | # define CALLNO_REG r1 |
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219 | # define ARG5_REG r0 |
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220 | # define MOVE_ARG5 "move.d" |
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221 | # define COLON_ARG5_CLOBBER : "r0" |
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222 | #else |
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223 | # define CRIS_SYSCALL "break 13" |
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224 | # define CALLNO_REG r9 |
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225 | # define ARG5_REG srp |
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226 | # define MOVE_ARG5 "move" |
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227 | # define COLON_ARG5_CLOBBER |
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228 | #endif |
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229 | |
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230 | /* XXX - _foo needs to be __foo, while __NR_bar could be _NR_bar. */ |
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231 | #define _syscall0(type,name) \ |
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232 | type PASTE(_Sys_,name) (void) \ |
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233 | { \ |
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234 | register long __a __asm__ ("r10"); \ |
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235 | register long __n_ __asm__ (STR (CALLNO_REG)) = (__NR_##name); \ |
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236 | __asm__ __volatile__ (CRIS_SYSCALL \ |
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237 | : "=r" (__a) \ |
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238 | : "r" (__n_)); \ |
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239 | if (__a >= 0) \ |
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240 | return (type) __a; \ |
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241 | errno = -__a; \ |
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242 | return -1; \ |
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243 | } |
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244 | |
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245 | #define _syscall1(type,name,type1,arg1) \ |
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246 | type PASTE(_Sys_,name) (type1 arg1) \ |
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247 | { \ |
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248 | register long __a __asm__ ("r10") = (long) arg1; \ |
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249 | register long __n_ __asm__ (STR (CALLNO_REG)) = (__NR_##name); \ |
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250 | __asm__ __volatile__ (CRIS_SYSCALL \ |
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251 | : "=r" (__a) \ |
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252 | : "r" (__n_), "0" (__a)); \ |
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253 | if (__a >= 0) \ |
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254 | return (type) __a; \ |
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255 | errno = -__a; \ |
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256 | return -1; \ |
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257 | } |
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258 | |
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259 | #define _syscall2(type,name,type1,arg1,type2,arg2) \ |
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260 | type PASTE(_Sys_,name) (type1 arg1,type2 arg2) \ |
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261 | { \ |
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262 | register long __a __asm__ ("r10") = (long) arg1; \ |
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263 | register long __b __asm__ ("r11") = (long) arg2; \ |
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264 | register long __n_ __asm__ (STR (CALLNO_REG)) = (__NR_##name); \ |
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265 | __asm__ __volatile__ (CRIS_SYSCALL \ |
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266 | : "=r" (__a) \ |
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267 | : "r" (__n_), "0" (__a), "r" (__b)); \ |
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268 | if (__a >= 0) \ |
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269 | return (type) __a; \ |
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270 | errno = -__a; \ |
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271 | return -1; \ |
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272 | } |
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273 | |
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274 | #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ |
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275 | type PASTE(_Sys_,name) (type1 arg1,type2 arg2,type3 arg3) \ |
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276 | { \ |
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277 | register long __a __asm__ ("r10") = (long) arg1; \ |
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278 | register long __b __asm__ ("r11") = (long) arg2; \ |
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279 | register long __c __asm__ ("r12") = (long) arg3; \ |
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280 | register long __n_ __asm__ (STR (CALLNO_REG)) = (__NR_##name); \ |
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281 | __asm__ __volatile__ (CRIS_SYSCALL \ |
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282 | : "=r" (__a) \ |
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283 | : "r" (__n_), "0" (__a), "r" (__b), "r" (__c)); \ |
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284 | if (__a >= 0) \ |
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285 | return (type) __a; \ |
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286 | errno = -__a; \ |
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287 | return -1; \ |
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288 | } |
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289 | |
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290 | #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ |
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291 | type PASTE(_Sys_,name) (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ |
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292 | { \ |
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293 | register long __a __asm__ ("r10") = (long) arg1; \ |
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294 | register long __b __asm__ ("r11") = (long) arg2; \ |
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295 | register long __c __asm__ ("r12") = (long) arg3; \ |
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296 | register long __d __asm__ ("r13") = (long) arg4; \ |
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297 | register long __n_ __asm__ (STR (CALLNO_REG)) = (__NR_##name); \ |
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298 | __asm__ __volatile__ (CRIS_SYSCALL \ |
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299 | : "=r" (__a) \ |
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300 | : "r" (__n_), "0" (__a), "r" (__b), \ |
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301 | "r" (__c), "r" (__d)); \ |
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302 | if (__a >= 0) \ |
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303 | return (type) __a; \ |
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304 | errno = -__a; \ |
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305 | return -1; \ |
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306 | } |
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307 | |
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308 | #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ |
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309 | type5,arg5) \ |
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310 | type PASTE(_Sys_,name) (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \ |
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311 | { \ |
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312 | register long __a __asm__ ("r10") = (long) arg1; \ |
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313 | register long __b __asm__ ("r11") = (long) arg2; \ |
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314 | register long __c __asm__ ("r12") = (long) arg3; \ |
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315 | register long __d __asm__ ("r13") = (long) arg4; \ |
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316 | register long __n_ __asm__ (STR (CALLNO_REG)) = (__NR_##name); \ |
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317 | __asm__ __volatile__ (MOVE_ARG5 " %6,$" STR (ARG5_REG) "\n\t" \ |
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318 | CRIS_SYSCALL \ |
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319 | : "=r" (__a) \ |
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320 | : "r" (__n_), "0" (__a), "r" (__b), \ |
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321 | "r" (__c), "r" (__d), "g" (arg5) \ |
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322 | COLON_ARG5_CLOBBER); \ |
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323 | if (__a >= 0) \ |
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324 | return (type) __a; \ |
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325 | errno = -__a; \ |
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326 | return -1; \ |
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327 | } |
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328 | |
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329 | #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ |
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330 | type5,arg5,type6,arg6) \ |
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331 | type PASTE(_Sys_,name) (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, type6 arg6) \ |
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332 | { \ |
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333 | register long __a __asm__ ("r10") = (long) arg1; \ |
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334 | register long __b __asm__ ("r11") = (long) arg2; \ |
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335 | register long __c __asm__ ("r12") = (long) arg3; \ |
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336 | register long __d __asm__ ("r13") = (long) arg4; \ |
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337 | register long __n_ __asm__ (STR (CALLNO_REG)) = (__NR_##name); \ |
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338 | __asm__ __volatile__ (MOVE_ARG5 " %6,$" STR (ARG5_REG) "\n\t" \ |
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339 | "move %7,$mof\n\t" \ |
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340 | CRIS_SYSCALL \ |
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341 | : "=r" (__a) \ |
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342 | : "r" (__n_), "0" (__a), "r" (__b), \ |
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343 | "r" (__c), "r" (__d), "g" (arg5), "g" (arg6) \ |
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344 | COLON_ARG5_CLOBBER); \ |
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345 | if (__a >= 0) \ |
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346 | return (type) __a; \ |
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347 | errno = -__a; \ |
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348 | return -1; \ |
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349 | } |
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350 | |
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351 | #define __NR__exit __NR_exit |
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352 | static inline _syscall0(int,idle) |
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353 | static inline _syscall0(int,fork) |
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354 | static inline _syscall2(int,clone,unsigned long,flags,char *,esp) |
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355 | static inline _syscall0(int,pause) |
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356 | static inline _syscall0(int,setup) |
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357 | static inline _syscall0(int,sync) |
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358 | static inline _syscall3(int,write,int,fd,const char *,buf,unsigned,count) |
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359 | static inline _syscall1(int,dup,int,fd) |
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360 | static inline _syscall3(int,execve,const char *,file,char **,argv,char **,envp) |
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361 | static inline _syscall3(int,open,const char *,file,int,flag,int,mode) |
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362 | static inline _syscall1(int,close,int,fd) |
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363 | static inline _syscall1(int,_exit,int,exitcode) |
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364 | static inline _syscall1(int,exit,int,exitcode) |
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365 | static inline _syscall3(int,waitpid,int,pid,int *,wait_stat,int,options) |
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366 | static inline _syscall3(int,read,int,fd,char *,buf,unsigned,count) |
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367 | static inline _syscall2(int,socketcall,int,call,unsigned long *,args) |
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368 | static inline _syscall3(int,ioctl,unsigned int,fd,unsigned int,cmd,unsigned long,arg) |
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369 | static inline _syscall3(int,fcntl,unsigned int,fd,unsigned int,cmd,unsigned long,arg) |
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370 | static inline _syscall5(int,mount,const char *,a,const char *,b,const char *,c,unsigned long,rwflag,const void *,data) |
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371 | static inline _syscall2(int,rename,const char *,a,const char*,b) |
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372 | |
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373 | #ifndef __elinux__ |
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374 | /* Make sure these are only used where they are supported. */ |
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375 | static inline _syscall6(int,mmap2,unsigned long, addr, unsigned long, len, |
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376 | unsigned long, prot, unsigned long, flags, |
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377 | unsigned long, fd, unsigned long, pgoff) |
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378 | static inline _syscall1(long,brk,long,addr) |
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379 | #endif |
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380 | |
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381 | /* This structure is ripped from asm-etrax100/stat.h: beware of updates. */ |
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382 | struct new_stat { |
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383 | unsigned short st_dev; |
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384 | unsigned short __pad1; |
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385 | unsigned long st_ino; |
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386 | unsigned short st_mode; |
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387 | unsigned short st_nlink; |
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388 | unsigned short st_uid; |
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389 | unsigned short st_gid; |
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390 | unsigned short st_rdev; |
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391 | unsigned short __pad2; |
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392 | unsigned long st_size; |
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393 | unsigned long st_blksize; |
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394 | unsigned long st_blocks; |
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395 | unsigned long st_atime; |
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396 | unsigned long __unused1; |
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397 | unsigned long st_mtime; |
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398 | unsigned long __unused2; |
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399 | unsigned long st_ctime; |
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400 | unsigned long __unused3; |
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401 | unsigned long __unused4; |
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402 | unsigned long __unused5; |
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403 | }; |
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404 | |
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405 | static inline _syscall2(int,stat,const char *,path,struct new_stat *,statbuf) |
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406 | static inline _syscall2(int,fstat,int,fd,struct new_stat *,statbuf) |
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407 | static inline _syscall0(int,getpid) |
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408 | static inline _syscall2(int,kill,int,pid,int,sig) |
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409 | static inline _syscall3(int,lseek,int,fd,int,offset,int,whence) |
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410 | struct tms; |
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411 | static inline _syscall1(long,times,struct tms *,tbuf) |
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412 | static inline _syscall1(long,mmap,long *, buf) |
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413 | struct timeval; |
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414 | struct timezone; |
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415 | static inline _syscall2(int,gettimeofday,struct timeval *,tp, |
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416 | void *, tzp) |
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417 | static inline _syscall2(int,link,const char *,old,const char *,new) |
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418 | static inline _syscall1(int,unlink,const char *, f) |
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419 | struct rusage; |
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420 | static inline _syscall4(int,wait4,int,pid,int *,sa,int,op,struct rusage *,ru) |
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421 | #endif /* _ASM_ELINUX_UNISTD_H_ */ |
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