; bsd syscalls ;--------------------------------------------------------------------------- ; "THE BEER-WARE LICENSE"(EN) (Revision 42): ; wrote this file. As long as you retain this ; notice you can do whatever you want with this stuff. If we meet some day, ; and you think this stuff is worth it, you can buy me a beer in return ; Jakub "Dryobates" Stolarski ;--------------------------------------------------------------------------- ;NOTE: sys.* functions don't do error check, but balance stack. If you need do error checking or make your own stack chcecking use sysem SYS_# instead ;nc = not checked in practice by me ;types: ;[M] MP-safe system call ;STD always included ;COMPAT included on COMPAT #ifdef ;COMPAT4 included on COMPAT4 #ifdef (FreeBSD 4 compat) ;LIBCOMPAT included on COMPAT #ifdef, and placed in syscall.h ;OBSOL obsolete, not included in system, only specifies name ;UNIMPL not implemented, placeholder only ;NOSTD implemented but as a lkm that can be statically compiled in sysent entry will be filled with lkmsys so the SYSCALL_MODULE macro works ; open modes O_ACCMODE = 0003o O_RDONLY = 0000o O_WRONLY = 0001o O_RDWR = 0002o O_CREAT = 0100o O_EXCL = 0200o O_NOCTTY = 0400o O_TRUNC = 1000o O_APPEND = 2000o O_NONBLOCK = 4000o ; access flags S_ISUID = 4000o S_ISGID = 2000o S_ISVTX = 1000o S_IRUSR = 0400o S_IWUSR = 0200o S_IXUSR = 0100o S_IRGRP = 0040o S_IWGRP = 0020o S_IXGRP = 0010o S_IROTH = 0004o S_IWOTH = 0002o S_IXOTH = 0001o ; standard file descriptors STDIN = 0 STDOUT = 1 STDERR = 2 ; mmap flags PROT_NONE = 0 PROT_READ = 1 PROT_WRITE = 2 PROT_EXEC = 4 ; sharing types MAP_SHARED = 0001h ; share changes MAP_PRIVATE = 0002h ; changes are private ; mapping type MAP_FILE = 0000h ; map from file (default) MAP_ANON = 1000h ; allocate from memory, swap space MSTD_nosys = 0 MSTD_exit = 1 MSTD_fork = 2 MSTD_read = 3 MSTD_write = 4 MSTD_open = 5 MSTD_close = 6 MSTD_wait4 = 7 MCOMPAT_creat = 8 MSTD_link = 9 MSTD_unlink = 10 OBSOL_execv = 11 STD_chdir = 12 STD_fchdir = 13 STD_mknod = 14 STD_chmod = 15 STD_chown = 16 MSTD_obreak = 17 COMPAT4_getfsstat = 18 COMPAT_lseek = 19 MSTD_getpid = 20 STD_mount = 21 STD_unmount = 22 MSTD_setuid = 23 MSTD_getuid = 24 MSTD_geteuid = 25 MSTD_ptrace = 26 MSTD_recvmsg = 27 MSTD_sendmsg = 28 MSTD_recvfrom = 29 MSTD_accept = 30 MSTD_getpeername = 31 MSTD_getsockname = 32 STD_access = 33 STD_chflags = 34 STD_fchflags = 35 STD_sync = 36 MSTD_kill = 37 COMPAT_stat = 38 MSTD_getppid = 39 COMPAT_lstat = 40 MSTD_dup = 41 MSTD_pipe = 42 MSTD_getegid = 43 MSTD_profil = 44 MSTD_ktrace = 45 MCOMPAT_sigaction = 46 MSTD_getgid = 47 MCOMPAT_sigprocmask = 48 MSTD_getlogin = 49 MSTD_setlogin = 50 MSTD_acct = 51 MCOMPAT_sigpending = 52 MSTD_sigaltstack = 53 MSTD_ioctl = 54 MSTD_reboot = 55 STD_revoke = 56 STD_symlink = 57 STD_readlink = 58 MSTD_execve = 59 MSTD_umask = 60 STD_chroot = 61 MCOMPAT_fstat = 62 MCOMPAT_getkerninfo = 63 MCOMPAT_getpagesize = 64 MSTD_msync = 65 MSTD_vfork = 66 OBSOL_vread = 67 OBSOL_vwrite = 68 MSTD_sbrk = 69 MSTD_sstk = 70 MCOMPAT_mmap = 71 MSTD_ovadvise = 72 MSTD_munmap = 73 MSTD_mprotect = 74 MSTD_madvise = 75 OBSOL_vhangup = 76 OBSOL_vlimit = 77 MSTD_mincore = 78 MSTD_getgroups = 79 MSTD_setgroups = 80 MSTD_getpgrp = 81 MSTD_setpgid = 82 MSTD_setitimer = 83 MCOMPAT_wait = 84 MSTD_swapon = 85 MSTD_getitimer = 86 MCOMPAT_gethostname = 87 MCOMPAT_sethostname = 88 MSTD_getdtablesize = 89 MSTD_dup2 = 90 UNIMPL_getdopt = 91 MSTD_fcntl = 92 MSTD_select = 93 UNIMPL_setdopt = 94 STD_fsync = 95 MSTD_setpriority = 96 MSTD_socket = 97 MSTD_connect = 98 MCPT_NOA_accept = 99 MSTD_getpriority = 100 MCOMPAT_send = 101 MCOMPAT_recv = 102 MCOMPAT_sigreturn = 103 MSTD_bind = 104 MSTD_setsockopt = 105 MSTD_listen = 106 OBSOL_vtimes = 107 MCOMPAT_sigvec = 108 MCOMPAT_sigblock = 109 MCOMPAT_sigsetmask = 110 MCOMPAT_sigsuspend = 111 MCOMPAT_sigstack = 112 MCOMPAT_recvmsg = 113 MCOMPAT_sendmsg = 114 OBSOL_vtrace = 115 MSTD_gettimeofday = 116 MSTD_getrusage = 117 MSTD_getsockopt = 118 UNIMPL_resuba = 119 MSTD_readv = 120 MSTD_writev = 121 MSTD_settimeofday = 122 STD_fchown = 123 STD_fchmod = 124 MCPT_NOA_recvfrom = 125 MSTD_setreuid = 126 MSTD_setregid = 127 STD_rename = 128 COMPAT_truncate = 129 COMPAT_ftruncate = 130 MSTD_flock = 131 STD_mkfifo = 132 MSTD_sendto = 133 MSTD_shutdown = 134 MSTD_socketpair = 135 STD_mkdir = 136 STD_rmdir = 137 STD_utimes = 138 OBSOL_sigreturn = 139 MSTD_adjtime = 140 MCOMPAT_getpeername = 141 MCOMPAT_gethostid = 142 MCOMPAT_sethostid = 143 MCOMPAT_getrlimit = 144 MCOMPAT_setrlimit = 145 MCOMPAT_killpg = 146 MSTD_setsid = 147 STD_quotactl = 148 MCOMPAT_quota = 149 MCPT_NOA_getsockname = 150 UNIMPL_sem_lock = 151 UNIMPL_sem_wakeup = 152 UNIMPL_asyncdaemon = 153 UNIMPL_nosys = 154 MNOIMPL_nfssvc = 155 COMPAT_getdirentries = 156 COMPAT4_statfs = 157 COMPAT4_fstatfs = 158 UNIMPL_nosys = 159 STD_lgetfh = 160 STD_getfh = 161 MSTD_getdomainname = 162 MSTD_setdomainname = 163 MSTD_uname = 164 MSTD_sysarch = 165 MSTD_rtprio = 166 UNIMPL_nosys = 167 UNIMPL_nosys = 168 MNOSTD_semsys = 169 MNOSTD_msgsys = 170 MNOSTD_shmsys = 171 UNIMPL_nosys = 172 MSTD_pread = 173 MSTD_pwrite = 174 UNIMPL_nosys = 175 MSTD_ntp_adjtime = 176 UNIMPL_sfork = 177 UNIMPL_getdescriptor = 178 UNIMPL_setdescriptor = 179 UNIMPL_nosys = 180 MSTD_setgid = 181 MSTD_setegid = 182 MSTD_seteuid = 183 UNIMPL_lfs_bmapv = 184 UNIMPL_lfs_markv = 185 UNIMPL_lfs_segclean = 186 UNIMPL_lfs_segwait = 187 STD_stat = 188 MSTD_fstat = 189 STD_lstat = 190 STD_pathconf = 191 MSTD_fpathconf = 192 UNIMPL_nosys = 193 MSTD_getrlimit = 194 MSTD_setrlimit = 195 STD_getdirentries = 196 MSTD_mmap = 197 STD_nosys = 198 STD_lseek = 199 STD_truncate = 200 STD_ftruncate = 201 MSTD_sysctl = 202 MSTD_mlock = 203 MSTD_munlock = 204 STD_undelete = 205 STD_futimes = 206 MSTD_getpgid = 207 UNIMPL_newreboot = 208 MSTD_pool = 209 kernel: int 80h ret macro system function_number { mov eax, function_number call kernel } ; 1 void sys_exit(int rval); macro sys.exit rval { push rval system SYS_exit add esp, 4 ; we don't need that, but if someone look for exemple, let hi see good looking code } ; 2 int fork(void); nc macro sys.fork { system SYS_fork } ; 3 ssize_t read(int fd, void *buf, size_t nbyte); macro sys.read fd, buf, nbyte { push nbyte push buf push fd system SYS_read add esp, 3*4 } ; 4 ssize_t write(int fd, const void *buf, size_t nbyte); macro sys.write fd, buf, nbyte { push nbyte push buf push fd system SYS_write add esp, 3*4 } ; 5 int open(char *path, int flags, int mode); macro sys.open path, flags, mode { push mode push flags push path system SYS_open add esp, 3*4 } ; 6 int close(int fd); macro sys.close fd { push fd system SYS_close add esp, 4 } ; 69 int sbrk(int incr); nc macro sys.sbrk incr { push incr system SYS_sbrk add esp, 4 } ; 116 int gettimeofday(struct timeval *tp, struct timezone *tzp); macro sys.gettimeofday tp, tzp { push tzp push tp system SYS_gettimeofday add esp, 2*4 } ; 197 caddr_t mmap(caddr_t addr, size_t len, int prot, int flags, int fd, int pad, off_t pos); macro sys.mmap addr, len, prot, flags, fd, pad, pos1, pos2 { push pos2 ;64-bit offset = pos2 shl 4 + pos1 push pos1 push pad push fd push flags push prot push len push addr system SYS_mmap add esp, 8*4 } ; 199 off_t lseek(int fd, int pad, off_t offset, int whence); macro sys.lseek fd, pad, offset1, offset2, whence { push whence push offset2 push offset1 push pad push fd system SYS_lseek add esp, 5*4 }